HDFS-5698. Merge r1566359 from trunk for merging the 'Use protobuf to serialize / deserialize FSImage' feature
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1568548 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Arpit Agarwal
parent
ecd71765c0
commit
25c508e425
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@ -69,6 +69,9 @@ Release 2.4.0 - UNRELEASED
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HDFS-5775. Consolidate the code for serialization in CacheManager
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(Haohui Mai via brandonli)
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HDFS-5768. Consolidate the serialization code in DelegationTokenSecretManager
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(Haohui Mai via brandonli)
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OPTIMIZATIONS
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HDFS-5790. LeaseManager.findPath is very slow when many leases need recovery
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@ -152,6 +155,55 @@ Release 2.4.0 - UNRELEASED
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HDFS-5949. New Namenode UI when trying to download a file, the browser
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doesn't know the file name. (Haohui Mai via brandonli)
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BREAKDOWN OF HDFS-5698 SUBTASKS AND RELATED JIRAS
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HDFS-5717. Save FSImage header in protobuf. (Haohui Mai via jing9)
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HDFS-5738. Serialize INode information in protobuf. (Haohui Mai via jing9)
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HDFS-5772. Serialize under-construction file information in FSImage. (jing9)
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HDFS-5783. Compute the digest before loading FSImage. (Haohui Mai via jing9)
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HDFS-5785. Serialize symlink in protobuf. (Haohui Mai via jing9)
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HDFS-5793. Optimize the serialization of PermissionStatus. (Haohui Mai via
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jing9)
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HDFS-5743. Use protobuf to serialize snapshot information. (jing9)
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HDFS-5774. Serialize CachePool directives in protobuf. (Haohui Mai via jing9)
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HDFS-5744. Serialize information for token managers in protobuf. (Haohui Mai
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via jing9)
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HDFS-5824. Add a Type field in Snapshot DiffEntry's protobuf definition.
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(jing9)
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HDFS-5808. Implement cancellation when saving FSImage. (Haohui Mai via jing9)
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HDFS-5826. Update the stored edit logs to be consistent with the changes in
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HDFS-5698 branch. (Haohui Mai via jing9)
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HDFS-5797. Implement offline image viewer. (Haohui Mai via jing9)
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HDFS-5771. Track progress when loading fsimage. (Haohui Mai via cnauroth)
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HDFS-5871. Use PBHelper to serialize CacheDirectiveInfoExpirationProto.
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(Haohui Mai via jing9)
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HDFS-5884. LoadDelegator should use IOUtils.readFully() to read the magic
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header. (Haohui Mai via jing9)
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HDFS-5885. Add annotation for repeated fields in the protobuf definition.
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(Haohui Mai via jing9)
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HDFS-5906. Fixing findbugs and javadoc warnings in the HDFS-5698 branch.
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(Haohui Mai via jing9)
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HDFS-5911. The id of a CacheDirective instance does not get serialized in
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the protobuf-fsimage. (Haohui Mai via jing9)
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Release 2.3.1 - UNRELEASED
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INCOMPATIBLE CHANGES
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@ -8,6 +8,9 @@
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<Match>
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<Package name="org.apache.hadoop.hdfs.server.namenode.ha.proto" />
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</Match>
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<Match>
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<Class name="~org.apache.hadoop.hdfs.server.namenode.FsImageProto.*" />
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</Match>
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<Match>
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<Package name="org.apache.hadoop.hdfs.qjournal.protocol" />
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</Match>
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@ -453,6 +453,7 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<includes>
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<include>ClientDatanodeProtocol.proto</include>
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<include>DatanodeProtocol.proto</include>
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<include>fsimage.proto</include>
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</includes>
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</source>
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<output>${project.build.directory}/generated-sources/java</output>
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@ -139,7 +139,7 @@ elif [ "$COMMAND" = "balancer" ] ; then
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elif [ "$COMMAND" = "jmxget" ] ; then
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CLASS=org.apache.hadoop.hdfs.tools.JMXGet
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elif [ "$COMMAND" = "oiv" ] ; then
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CLASS=org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewer
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CLASS=org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB
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elif [ "$COMMAND" = "oev" ] ; then
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CLASS=org.apache.hadoop.hdfs.tools.offlineEditsViewer.OfflineEditsViewer
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elif [ "$COMMAND" = "fetchdt" ] ; then
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@ -112,7 +112,8 @@ public static enum Feature {
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ADD_DATANODE_AND_STORAGE_UUIDS(-49, "Replace StorageID with DatanodeUuid."
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+ " Use distinct StorageUuid per storage directory."),
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ADD_LAYOUT_FLAGS(-50, "Add support for layout flags."),
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CACHING(-51, "Support for cache pools and path-based caching");
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CACHING(-51, "Support for cache pools and path-based caching"),
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PROTOBUF_FORMAT(-52, "Use protobuf to serialize FSImage");
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final int lv;
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final int ancestorLV;
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@ -23,12 +23,16 @@
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import java.io.IOException;
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import java.io.InterruptedIOException;
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import java.net.InetSocketAddress;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map.Entry;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.classification.InterfaceAudience;
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import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
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import org.apache.hadoop.hdfs.server.namenode.FsImageProto.SecretManagerSection;
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import org.apache.hadoop.hdfs.server.namenode.NameNode;
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import org.apache.hadoop.hdfs.server.namenode.NameNode.OperationCategory;
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import org.apache.hadoop.hdfs.server.namenode.startupprogress.Phase;
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@ -46,6 +50,10 @@
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import org.apache.hadoop.security.token.delegation.AbstractDelegationTokenSecretManager;
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import org.apache.hadoop.security.token.delegation.DelegationKey;
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import com.google.common.base.Preconditions;
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import com.google.common.collect.Lists;
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import com.google.protobuf.ByteString;
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/**
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* A HDFS specific delegation token secret manager.
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* The secret manager is responsible for generating and accepting the password
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@ -168,6 +176,44 @@ public synchronized void loadSecretManagerStateCompat(DataInput in)
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serializerCompat.load(in);
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}
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public static class SecretManagerState {
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public final SecretManagerSection section;
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public final List<SecretManagerSection.DelegationKey> keys;
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public final List<SecretManagerSection.PersistToken> tokens;
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public SecretManagerState(
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SecretManagerSection s,
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List<SecretManagerSection.DelegationKey> keys,
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List<SecretManagerSection.PersistToken> tokens) {
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this.section = s;
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this.keys = keys;
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this.tokens = tokens;
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}
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}
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public synchronized void loadSecretManagerState(SecretManagerState state)
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throws IOException {
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Preconditions.checkState(!running,
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"Can't load state from image in a running SecretManager.");
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currentId = state.section.getCurrentId();
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delegationTokenSequenceNumber = state.section.getTokenSequenceNumber();
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for (SecretManagerSection.DelegationKey k : state.keys) {
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addKey(new DelegationKey(k.getId(), k.getExpiryDate(), k.hasKey() ? k
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.getKey().toByteArray() : null));
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}
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for (SecretManagerSection.PersistToken t : state.tokens) {
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DelegationTokenIdentifier id = new DelegationTokenIdentifier(new Text(
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t.getOwner()), new Text(t.getRenewer()), new Text(t.getRealUser()));
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id.setIssueDate(t.getIssueDate());
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id.setMaxDate(t.getMaxDate());
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id.setSequenceNumber(t.getSequenceNumber());
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id.setMasterKeyId(t.getMasterKeyId());
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addPersistedDelegationToken(id, t.getExpiryDate());
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}
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}
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/**
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* Store the current state of the SecretManager for persistence
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*
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@ -180,6 +226,42 @@ public synchronized void saveSecretManagerStateCompat(DataOutputStream out,
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serializerCompat.save(out, sdPath);
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}
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public synchronized SecretManagerState saveSecretManagerState() {
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SecretManagerSection s = SecretManagerSection.newBuilder()
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.setCurrentId(currentId)
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.setTokenSequenceNumber(delegationTokenSequenceNumber)
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.setNumKeys(allKeys.size()).setNumTokens(currentTokens.size()).build();
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ArrayList<SecretManagerSection.DelegationKey> keys = Lists
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.newArrayListWithCapacity(allKeys.size());
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ArrayList<SecretManagerSection.PersistToken> tokens = Lists
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.newArrayListWithCapacity(currentTokens.size());
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for (DelegationKey v : allKeys.values()) {
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SecretManagerSection.DelegationKey.Builder b = SecretManagerSection.DelegationKey
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.newBuilder().setId(v.getKeyId()).setExpiryDate(v.getExpiryDate());
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if (v.getEncodedKey() != null) {
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b.setKey(ByteString.copyFrom(v.getEncodedKey()));
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}
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keys.add(b.build());
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}
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for (Entry<DelegationTokenIdentifier, DelegationTokenInformation> e : currentTokens
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.entrySet()) {
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DelegationTokenIdentifier id = e.getKey();
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SecretManagerSection.PersistToken.Builder b = SecretManagerSection.PersistToken
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.newBuilder().setOwner(id.getOwner().toString())
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.setRenewer(id.getRenewer().toString())
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.setRealUser(id.getRealUser().toString())
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.setIssueDate(id.getIssueDate()).setMaxDate(id.getMaxDate())
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.setSequenceNumber(id.getSequenceNumber())
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.setMasterKeyId(id.getMasterKeyId())
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.setExpiryDate(e.getValue().getRenewDate());
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tokens.add(b.build());
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}
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return new SecretManagerState(s, keys, tokens);
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}
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/**
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* This method is intended to be used only while reading edit logs.
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*
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@ -431,4 +513,5 @@ private synchronized void loadAllKeys(DataInput in) throws IOException {
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prog.endStep(Phase.LOADING_FSIMAGE, step);
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}
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}
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}
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@ -50,8 +50,10 @@
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import org.apache.hadoop.fs.BatchedRemoteIterator.BatchedListEntries;
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import org.apache.hadoop.fs.CacheFlag;
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import org.apache.hadoop.fs.InvalidRequestException;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.fs.UnresolvedLinkException;
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import org.apache.hadoop.fs.permission.FsAction;
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import org.apache.hadoop.fs.permission.FsPermission;
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import org.apache.hadoop.hdfs.DFSUtil;
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import org.apache.hadoop.hdfs.protocol.CacheDirective;
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import org.apache.hadoop.hdfs.protocol.CacheDirectiveEntry;
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@ -62,11 +64,15 @@
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import org.apache.hadoop.hdfs.protocol.CachePoolInfo;
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import org.apache.hadoop.hdfs.protocol.DatanodeID;
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import org.apache.hadoop.hdfs.protocol.LocatedBlock;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CacheDirectiveInfoProto;
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import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CachePoolInfoProto;
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import org.apache.hadoop.hdfs.protocolPB.PBHelper;
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import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
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import org.apache.hadoop.hdfs.server.blockmanagement.CacheReplicationMonitor;
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import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor;
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import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.CachedBlocksList;
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import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor.CachedBlocksList.Type;
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import org.apache.hadoop.hdfs.server.namenode.FsImageProto.CacheManagerSection;
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import org.apache.hadoop.hdfs.server.namenode.metrics.NameNodeMetrics;
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import org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot;
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import org.apache.hadoop.hdfs.server.namenode.startupprogress.Phase;
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@ -81,6 +87,7 @@
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import org.apache.hadoop.util.Time;
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import com.google.common.annotations.VisibleForTesting;
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import com.google.common.collect.Lists;
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/**
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* The Cache Manager handles caching on DataNodes.
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@ -167,6 +174,19 @@ public final class CacheManager {
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*/
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private CacheReplicationMonitor monitor;
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public static final class PersistState {
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public final CacheManagerSection section;
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public final List<CachePoolInfoProto> pools;
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public final List<CacheDirectiveInfoProto> directives;
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public PersistState(CacheManagerSection section,
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List<CachePoolInfoProto> pools, List<CacheDirectiveInfoProto> directives) {
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this.section = section;
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this.pools = pools;
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this.directives = directives;
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}
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}
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CacheManager(FSNamesystem namesystem, Configuration conf,
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BlockManager blockManager) {
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this.namesystem = namesystem;
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@ -944,6 +964,64 @@ public void saveStateCompat(DataOutputStream out, String sdPath)
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serializerCompat.save(out, sdPath);
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}
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public PersistState saveState() throws IOException {
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ArrayList<CachePoolInfoProto> pools = Lists
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.newArrayListWithCapacity(cachePools.size());
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ArrayList<CacheDirectiveInfoProto> directives = Lists
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.newArrayListWithCapacity(directivesById.size());
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for (CachePool pool : cachePools.values()) {
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CachePoolInfo p = pool.getInfo(true);
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CachePoolInfoProto.Builder b = CachePoolInfoProto.newBuilder()
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.setPoolName(p.getPoolName());
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if (p.getOwnerName() != null)
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b.setOwnerName(p.getOwnerName());
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if (p.getGroupName() != null)
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b.setGroupName(p.getGroupName());
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if (p.getMode() != null)
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b.setMode(p.getMode().toShort());
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if (p.getLimit() != null)
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b.setLimit(p.getLimit());
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pools.add(b.build());
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}
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for (CacheDirective directive : directivesById.values()) {
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CacheDirectiveInfo info = directive.toInfo();
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CacheDirectiveInfoProto.Builder b = CacheDirectiveInfoProto.newBuilder()
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.setId(info.getId());
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if (info.getPath() != null) {
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b.setPath(info.getPath().toUri().getPath());
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}
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if (info.getReplication() != null) {
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b.setReplication(info.getReplication());
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}
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if (info.getPool() != null) {
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b.setPool(info.getPool());
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}
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Expiration expiry = info.getExpiration();
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if (expiry != null) {
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assert (!expiry.isRelative());
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b.setExpiration(PBHelper.convert(expiry));
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}
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directives.add(b.build());
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}
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CacheManagerSection s = CacheManagerSection.newBuilder()
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.setNextDirectiveId(nextDirectiveId).setNumPools(pools.size())
|
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.setNumDirectives(directives.size()).build();
|
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return new PersistState(s, pools, directives);
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}
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/**
|
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* Reloads CacheManager state from the passed DataInput. Used during namenode
|
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* startup to restore CacheManager state from an FSImage.
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|
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@ -954,6 +1032,56 @@ public void loadStateCompat(DataInput in) throws IOException {
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serializerCompat.load(in);
|
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}
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|
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public void loadState(PersistState s) throws IOException {
|
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nextDirectiveId = s.section.getNextDirectiveId();
|
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for (CachePoolInfoProto p : s.pools) {
|
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CachePoolInfo info = new CachePoolInfo(p.getPoolName());
|
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if (p.hasOwnerName())
|
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info.setOwnerName(p.getOwnerName());
|
||||
|
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if (p.hasGroupName())
|
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info.setGroupName(p.getGroupName());
|
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|
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if (p.hasMode())
|
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info.setMode(new FsPermission((short) p.getMode()));
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||||
|
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if (p.hasLimit())
|
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info.setLimit(p.getLimit());
|
||||
|
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addCachePool(info);
|
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}
|
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|
||||
for (CacheDirectiveInfoProto p : s.directives) {
|
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// Get pool reference by looking it up in the map
|
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final String poolName = p.getPool();
|
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CacheDirective directive = new CacheDirective(p.getId(), new Path(
|
||||
p.getPath()).toUri().getPath(), (short) p.getReplication(), p
|
||||
.getExpiration().getMillis());
|
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addCacheDirective(poolName, directive);
|
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}
|
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}
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||||
|
||||
private void addCacheDirective(final String poolName,
|
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final CacheDirective directive) throws IOException {
|
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CachePool pool = cachePools.get(poolName);
|
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if (pool == null) {
|
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throw new IOException("Directive refers to pool " + poolName
|
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+ ", which does not exist.");
|
||||
}
|
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boolean addedDirective = pool.getDirectiveList().add(directive);
|
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assert addedDirective;
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if (directivesById.put(directive.getId(), directive) != null) {
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throw new IOException("A directive with ID " + directive.getId()
|
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+ " already exists");
|
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}
|
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List<CacheDirective> directives = directivesByPath.get(directive.getPath());
|
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if (directives == null) {
|
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directives = new LinkedList<CacheDirective>();
|
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directivesByPath.put(directive.getPath(), directives);
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}
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directives.add(directive);
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}
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||||
|
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private final class SerializerCompat {
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private void save(DataOutputStream out, String sdPath) throws IOException {
|
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out.writeLong(nextDirectiveId);
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|
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@ -1036,27 +1164,10 @@ private void loadDirectives(DataInput in) throws IOException {
|
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CacheDirectiveInfo info = FSImageSerialization.readCacheDirectiveInfo(in);
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// Get pool reference by looking it up in the map
|
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final String poolName = info.getPool();
|
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CachePool pool = cachePools.get(poolName);
|
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if (pool == null) {
|
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throw new IOException("Directive refers to pool " + poolName +
|
||||
", which does not exist.");
|
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}
|
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CacheDirective directive =
|
||||
new CacheDirective(info.getId(), info.getPath().toUri().getPath(),
|
||||
info.getReplication(), info.getExpiration().getAbsoluteMillis());
|
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boolean addedDirective = pool.getDirectiveList().add(directive);
|
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assert addedDirective;
|
||||
if (directivesById.put(directive.getId(), directive) != null) {
|
||||
throw new IOException("A directive with ID " + directive.getId() +
|
||||
" already exists");
|
||||
}
|
||||
List<CacheDirective> directives =
|
||||
directivesByPath.get(directive.getPath());
|
||||
if (directives == null) {
|
||||
directives = new LinkedList<CacheDirective>();
|
||||
directivesByPath.put(directive.getPath(), directives);
|
||||
}
|
||||
directives.add(directive);
|
||||
addCacheDirective(poolName, directive);
|
||||
counter.increment();
|
||||
}
|
||||
prog.endStep(Phase.LOADING_FSIMAGE, step);
|
||||
|
|
|
|||
|
|
@ -827,8 +827,7 @@ private void loadFSImage(File imageFile, FSNamesystem target,
|
|||
*/
|
||||
private void loadFSImage(File curFile, MD5Hash expectedMd5,
|
||||
FSNamesystem target, MetaRecoveryContext recovery) throws IOException {
|
||||
FSImageFormat.Loader loader = new FSImageFormat.Loader(
|
||||
conf, target);
|
||||
FSImageFormat.LoaderDelegator loader = FSImageFormat.newLoader(conf, target);
|
||||
loader.load(curFile);
|
||||
target.setBlockPoolId(this.getBlockPoolID());
|
||||
|
||||
|
|
@ -857,7 +856,7 @@ void saveFSImage(SaveNamespaceContext context, StorageDirectory sd)
|
|||
File newFile = NNStorage.getStorageFile(sd, NameNodeFile.IMAGE_NEW, txid);
|
||||
File dstFile = NNStorage.getStorageFile(sd, NameNodeFile.IMAGE, txid);
|
||||
|
||||
FSImageFormat.Saver saver = new FSImageFormat.Saver(context);
|
||||
FSImageFormatProtobuf.Saver saver = new FSImageFormatProtobuf.Saver(context);
|
||||
FSImageCompression compression = FSImageCompression.createCompression(conf);
|
||||
saver.save(newFile, compression);
|
||||
|
||||
|
|
|
|||
|
|
@ -57,6 +57,10 @@ private FSImageCompression(CompressionCodec codec) {
|
|||
imageCodec = codec;
|
||||
}
|
||||
|
||||
public CompressionCodec getImageCodec() {
|
||||
return imageCodec;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a "noop" compression - i.e. uncompressed
|
||||
*/
|
||||
|
|
@ -89,7 +93,7 @@ static FSImageCompression createCompression(Configuration conf)
|
|||
* Create a compression instance using the codec specified by
|
||||
* <code>codecClassName</code>
|
||||
*/
|
||||
private static FSImageCompression createCompression(Configuration conf,
|
||||
static FSImageCompression createCompression(Configuration conf,
|
||||
String codecClassName)
|
||||
throws IOException {
|
||||
|
||||
|
|
|
|||
|
|
@ -69,12 +69,13 @@
|
|||
import org.apache.hadoop.hdfs.server.namenode.startupprogress.Step;
|
||||
import org.apache.hadoop.hdfs.server.namenode.startupprogress.StepType;
|
||||
import org.apache.hadoop.hdfs.util.ReadOnlyList;
|
||||
import org.apache.hadoop.io.IOUtils;
|
||||
import org.apache.hadoop.io.MD5Hash;
|
||||
import org.apache.hadoop.io.Text;
|
||||
import org.apache.hadoop.util.StringUtils;
|
||||
|
||||
import com.google.common.annotations.VisibleForTesting;
|
||||
import com.google.common.base.Preconditions;
|
||||
import com.google.common.annotations.VisibleForTesting;
|
||||
|
||||
/**
|
||||
* Contains inner classes for reading or writing the on-disk format for
|
||||
|
|
@ -185,12 +186,70 @@ public class FSImageFormat {
|
|||
// Static-only class
|
||||
private FSImageFormat() {}
|
||||
|
||||
interface AbstractLoader {
|
||||
MD5Hash getLoadedImageMd5();
|
||||
long getLoadedImageTxId();
|
||||
}
|
||||
|
||||
static class LoaderDelegator implements AbstractLoader {
|
||||
private AbstractLoader impl;
|
||||
private final Configuration conf;
|
||||
private final FSNamesystem fsn;
|
||||
|
||||
LoaderDelegator(Configuration conf, FSNamesystem fsn) {
|
||||
this.conf = conf;
|
||||
this.fsn = fsn;
|
||||
}
|
||||
|
||||
@Override
|
||||
public MD5Hash getLoadedImageMd5() {
|
||||
return impl.getLoadedImageMd5();
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getLoadedImageTxId() {
|
||||
return impl.getLoadedImageTxId();
|
||||
}
|
||||
|
||||
public void load(File file) throws IOException {
|
||||
Preconditions.checkState(impl == null, "Image already loaded!");
|
||||
|
||||
FileInputStream is = null;
|
||||
try {
|
||||
is = new FileInputStream(file);
|
||||
byte[] magic = new byte[FSImageUtil.MAGIC_HEADER.length];
|
||||
IOUtils.readFully(is, magic, 0, magic.length);
|
||||
if (Arrays.equals(magic, FSImageUtil.MAGIC_HEADER)) {
|
||||
FSImageFormatProtobuf.Loader loader = new FSImageFormatProtobuf.Loader(
|
||||
conf, fsn);
|
||||
impl = loader;
|
||||
loader.load(file);
|
||||
} else {
|
||||
Loader loader = new Loader(conf, fsn);
|
||||
impl = loader;
|
||||
loader.load(file);
|
||||
}
|
||||
|
||||
} finally {
|
||||
IOUtils.cleanup(LOG, is);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Construct a loader class to load the image. It chooses the loader based on
|
||||
* the layout version.
|
||||
*/
|
||||
public static LoaderDelegator newLoader(Configuration conf, FSNamesystem fsn) {
|
||||
return new LoaderDelegator(conf, fsn);
|
||||
}
|
||||
|
||||
/**
|
||||
* A one-shot class responsible for loading an image. The load() function
|
||||
* should be called once, after which the getter methods may be used to retrieve
|
||||
* information about the image that was loaded, if loading was successful.
|
||||
*/
|
||||
public static class Loader {
|
||||
public static class Loader implements AbstractLoader {
|
||||
private final Configuration conf;
|
||||
/** which namesystem this loader is working for */
|
||||
private final FSNamesystem namesystem;
|
||||
|
|
@ -215,12 +274,14 @@ public static class Loader {
|
|||
* Return the MD5 checksum of the image that has been loaded.
|
||||
* @throws IllegalStateException if load() has not yet been called.
|
||||
*/
|
||||
MD5Hash getLoadedImageMd5() {
|
||||
@Override
|
||||
public MD5Hash getLoadedImageMd5() {
|
||||
checkLoaded();
|
||||
return imgDigest;
|
||||
}
|
||||
|
||||
long getLoadedImageTxId() {
|
||||
@Override
|
||||
public long getLoadedImageTxId() {
|
||||
checkLoaded();
|
||||
return imgTxId;
|
||||
}
|
||||
|
|
@ -243,7 +304,7 @@ private void checkNotLoaded() {
|
|||
}
|
||||
}
|
||||
|
||||
void load(File curFile) throws IOException {
|
||||
public void load(File curFile) throws IOException {
|
||||
checkNotLoaded();
|
||||
assert curFile != null : "curFile is null";
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,466 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package org.apache.hadoop.hdfs.server.namenode;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.OutputStream;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Iterator;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.HadoopIllegalArgumentException;
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
import org.apache.hadoop.fs.permission.FsPermission;
|
||||
import org.apache.hadoop.fs.permission.PermissionStatus;
|
||||
import org.apache.hadoop.hdfs.protocol.Block;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockProto;
|
||||
import org.apache.hadoop.hdfs.protocolPB.PBHelper;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoUnderConstruction;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf.StringMap;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.FileSummary;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.FilesUnderConstructionSection.FileUnderConstructionEntry;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeDirectorySection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeReference.DstReference;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeReference.WithCount;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeReference.WithName;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot;
|
||||
import org.apache.hadoop.hdfs.util.ReadOnlyList;
|
||||
|
||||
import com.google.common.base.Preconditions;
|
||||
import com.google.protobuf.ByteString;
|
||||
|
||||
@InterfaceAudience.Private
|
||||
public final class FSImageFormatPBINode {
|
||||
private final static long USER_GROUP_STRID_MASK = (1 << 24) - 1;
|
||||
private final static int USER_STRID_OFFSET = 40;
|
||||
private final static int GROUP_STRID_OFFSET = 16;
|
||||
private static final Log LOG = LogFactory.getLog(FSImageFormatProtobuf.class);
|
||||
|
||||
public final static class Loader {
|
||||
public static PermissionStatus loadPermission(long id,
|
||||
final String[] stringTable) {
|
||||
short perm = (short) (id & ((1 << GROUP_STRID_OFFSET) - 1));
|
||||
int gsid = (int) ((id >> GROUP_STRID_OFFSET) & USER_GROUP_STRID_MASK);
|
||||
int usid = (int) ((id >> USER_STRID_OFFSET) & USER_GROUP_STRID_MASK);
|
||||
return new PermissionStatus(stringTable[usid], stringTable[gsid],
|
||||
new FsPermission(perm));
|
||||
}
|
||||
|
||||
public static INodeReference loadINodeReference(
|
||||
INodeSection.INodeReference r, FSDirectory dir) throws IOException {
|
||||
long referredId = r.getReferredId();
|
||||
INode referred = dir.getInode(referredId);
|
||||
WithCount withCount = (WithCount) referred.getParentReference();
|
||||
if (withCount == null) {
|
||||
withCount = new INodeReference.WithCount(null, referred);
|
||||
}
|
||||
final INodeReference ref;
|
||||
if (r.hasDstSnapshotId()) { // DstReference
|
||||
ref = new INodeReference.DstReference(null, withCount,
|
||||
r.getDstSnapshotId());
|
||||
} else {
|
||||
ref = new INodeReference.WithName(null, withCount, r.getName()
|
||||
.toByteArray(), r.getLastSnapshotId());
|
||||
}
|
||||
return ref;
|
||||
}
|
||||
|
||||
public static INodeDirectory loadINodeDirectory(INodeSection.INode n,
|
||||
final String[] stringTable) {
|
||||
assert n.getType() == INodeSection.INode.Type.DIRECTORY;
|
||||
INodeSection.INodeDirectory d = n.getDirectory();
|
||||
|
||||
final PermissionStatus permissions = loadPermission(d.getPermission(),
|
||||
stringTable);
|
||||
final INodeDirectory dir = new INodeDirectory(n.getId(), n.getName()
|
||||
.toByteArray(), permissions, d.getModificationTime());
|
||||
|
||||
final long nsQuota = d.getNsQuota(), dsQuota = d.getDsQuota();
|
||||
if (nsQuota >= 0 || dsQuota >= 0) {
|
||||
dir.addDirectoryWithQuotaFeature(nsQuota, dsQuota);
|
||||
}
|
||||
return dir;
|
||||
}
|
||||
|
||||
public static void updateBlocksMap(INodeFile file, BlockManager bm) {
|
||||
// Add file->block mapping
|
||||
final BlockInfo[] blocks = file.getBlocks();
|
||||
if (blocks != null) {
|
||||
for (int i = 0; i < blocks.length; i++) {
|
||||
file.setBlock(i, bm.addBlockCollection(blocks[i], file));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private final FSDirectory dir;
|
||||
private final FSNamesystem fsn;
|
||||
private final FSImageFormatProtobuf.Loader parent;
|
||||
|
||||
Loader(FSNamesystem fsn, final FSImageFormatProtobuf.Loader parent) {
|
||||
this.fsn = fsn;
|
||||
this.dir = fsn.dir;
|
||||
this.parent = parent;
|
||||
}
|
||||
|
||||
void loadINodeDirectorySection(InputStream in) throws IOException {
|
||||
while (true) {
|
||||
INodeDirectorySection.DirEntry e = INodeDirectorySection.DirEntry
|
||||
.parseDelimitedFrom(in);
|
||||
// note that in is a LimitedInputStream
|
||||
if (e == null) {
|
||||
break;
|
||||
}
|
||||
INodeDirectory p = dir.getInode(e.getParent()).asDirectory();
|
||||
for (long id : e.getChildrenList()) {
|
||||
INode child = dir.getInode(id);
|
||||
addToParent(p, child);
|
||||
}
|
||||
for (int i = 0; i < e.getNumOfRef(); i++) {
|
||||
INodeReference ref = loadINodeReference(in);
|
||||
addToParent(p, ref);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private INodeReference loadINodeReference(InputStream in)
|
||||
throws IOException {
|
||||
INodeSection.INodeReference ref = INodeSection.INodeReference
|
||||
.parseDelimitedFrom(in);
|
||||
return loadINodeReference(ref, dir);
|
||||
}
|
||||
|
||||
void loadINodeSection(InputStream in) throws IOException {
|
||||
INodeSection s = INodeSection.parseDelimitedFrom(in);
|
||||
fsn.resetLastInodeId(s.getLastInodeId());
|
||||
LOG.info("Loading " + s.getNumInodes() + " INodes.");
|
||||
for (int i = 0; i < s.getNumInodes(); ++i) {
|
||||
INodeSection.INode p = INodeSection.INode.parseDelimitedFrom(in);
|
||||
if (p.getId() == INodeId.ROOT_INODE_ID) {
|
||||
loadRootINode(p);
|
||||
} else {
|
||||
INode n = loadINode(p);
|
||||
dir.addToInodeMap(n);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Load the under-construction files section, and update the lease map
|
||||
*/
|
||||
void loadFilesUnderConstructionSection(InputStream in) throws IOException {
|
||||
while (true) {
|
||||
FileUnderConstructionEntry entry = FileUnderConstructionEntry
|
||||
.parseDelimitedFrom(in);
|
||||
if (entry == null) {
|
||||
break;
|
||||
}
|
||||
// update the lease manager
|
||||
INodeFile file = dir.getInode(entry.getInodeId()).asFile();
|
||||
FileUnderConstructionFeature uc = file.getFileUnderConstructionFeature();
|
||||
Preconditions.checkState(uc != null); // file must be under-construction
|
||||
fsn.leaseManager.addLease(uc.getClientName(), entry.getFullPath());
|
||||
}
|
||||
}
|
||||
|
||||
private void addToParent(INodeDirectory parent, INode child) {
|
||||
if (parent == dir.rootDir && FSDirectory.isReservedName(child)) {
|
||||
throw new HadoopIllegalArgumentException("File name \""
|
||||
+ child.getLocalName() + "\" is reserved. Please "
|
||||
+ " change the name of the existing file or directory to another "
|
||||
+ "name before upgrading to this release.");
|
||||
}
|
||||
// NOTE: This does not update space counts for parents
|
||||
if (!parent.addChild(child)) {
|
||||
return;
|
||||
}
|
||||
dir.cacheName(child);
|
||||
|
||||
if (child.isFile()) {
|
||||
updateBlocksMap(child.asFile(), fsn.getBlockManager());
|
||||
}
|
||||
}
|
||||
|
||||
private INode loadINode(INodeSection.INode n) {
|
||||
switch (n.getType()) {
|
||||
case FILE:
|
||||
return loadINodeFile(n);
|
||||
case DIRECTORY:
|
||||
return loadINodeDirectory(n, parent.getStringTable());
|
||||
case SYMLINK:
|
||||
return loadINodeSymlink(n);
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
private INodeFile loadINodeFile(INodeSection.INode n) {
|
||||
assert n.getType() == INodeSection.INode.Type.FILE;
|
||||
INodeSection.INodeFile f = n.getFile();
|
||||
List<BlockProto> bp = f.getBlocksList();
|
||||
short replication = (short) f.getReplication();
|
||||
|
||||
BlockInfo[] blocks = new BlockInfo[bp.size()];
|
||||
for (int i = 0, e = bp.size(); i < e; ++i) {
|
||||
blocks[i] = new BlockInfo(PBHelper.convert(bp.get(i)), replication);
|
||||
}
|
||||
final PermissionStatus permissions = loadPermission(f.getPermission(),
|
||||
parent.getStringTable());
|
||||
|
||||
final INodeFile file = new INodeFile(n.getId(),
|
||||
n.getName().toByteArray(), permissions, f.getModificationTime(),
|
||||
f.getAccessTime(), blocks, replication, f.getPreferredBlockSize());
|
||||
// under-construction information
|
||||
if (f.hasFileUC()) {
|
||||
INodeSection.FileUnderConstructionFeature uc = f.getFileUC();
|
||||
file.toUnderConstruction(uc.getClientName(), uc.getClientMachine(),
|
||||
null);
|
||||
if (blocks.length > 0) {
|
||||
BlockInfo lastBlk = file.getLastBlock();
|
||||
// replace the last block of file
|
||||
file.setBlock(file.numBlocks() - 1, new BlockInfoUnderConstruction(
|
||||
lastBlk, replication));
|
||||
}
|
||||
}
|
||||
return file;
|
||||
}
|
||||
|
||||
|
||||
private INodeSymlink loadINodeSymlink(INodeSection.INode n) {
|
||||
assert n.getType() == INodeSection.INode.Type.SYMLINK;
|
||||
INodeSection.INodeSymlink s = n.getSymlink();
|
||||
final PermissionStatus permissions = loadPermission(s.getPermission(),
|
||||
parent.getStringTable());
|
||||
return new INodeSymlink(n.getId(), n.getName().toByteArray(), permissions,
|
||||
0, 0, s.getTarget().toStringUtf8());
|
||||
}
|
||||
|
||||
private void loadRootINode(INodeSection.INode p) {
|
||||
INodeDirectory root = loadINodeDirectory(p, parent.getStringTable());
|
||||
final Quota.Counts q = root.getQuotaCounts();
|
||||
final long nsQuota = q.get(Quota.NAMESPACE);
|
||||
final long dsQuota = q.get(Quota.DISKSPACE);
|
||||
if (nsQuota != -1 || dsQuota != -1) {
|
||||
dir.rootDir.getDirectoryWithQuotaFeature().setQuota(nsQuota, dsQuota);
|
||||
}
|
||||
dir.rootDir.cloneModificationTime(root);
|
||||
dir.rootDir.clonePermissionStatus(root);
|
||||
}
|
||||
}
|
||||
|
||||
public final static class Saver {
|
||||
private static long buildPermissionStatus(INodeAttributes n,
|
||||
final StringMap stringMap) {
|
||||
long userId = stringMap.getStringId(n.getUserName());
|
||||
long groupId = stringMap.getStringId(n.getGroupName());
|
||||
return ((userId & USER_GROUP_STRID_MASK) << USER_STRID_OFFSET)
|
||||
| ((groupId & USER_GROUP_STRID_MASK) << GROUP_STRID_OFFSET)
|
||||
| n.getFsPermissionShort();
|
||||
}
|
||||
|
||||
public static INodeSection.INodeFile.Builder buildINodeFile(
|
||||
INodeFileAttributes file, final StringMap stringMap) {
|
||||
INodeSection.INodeFile.Builder b = INodeSection.INodeFile.newBuilder()
|
||||
.setAccessTime(file.getAccessTime())
|
||||
.setModificationTime(file.getModificationTime())
|
||||
.setPermission(buildPermissionStatus(file, stringMap))
|
||||
.setPreferredBlockSize(file.getPreferredBlockSize())
|
||||
.setReplication(file.getFileReplication());
|
||||
return b;
|
||||
}
|
||||
|
||||
public static INodeSection.INodeDirectory.Builder buildINodeDirectory(
|
||||
INodeDirectoryAttributes dir, final StringMap stringMap) {
|
||||
Quota.Counts quota = dir.getQuotaCounts();
|
||||
INodeSection.INodeDirectory.Builder b = INodeSection.INodeDirectory
|
||||
.newBuilder().setModificationTime(dir.getModificationTime())
|
||||
.setNsQuota(quota.get(Quota.NAMESPACE))
|
||||
.setDsQuota(quota.get(Quota.DISKSPACE))
|
||||
.setPermission(buildPermissionStatus(dir, stringMap));
|
||||
return b;
|
||||
}
|
||||
|
||||
public static INodeSection.INodeReference.Builder buildINodeReference(
|
||||
INodeReference ref) throws IOException {
|
||||
INodeSection.INodeReference.Builder rb = INodeSection.INodeReference
|
||||
.newBuilder().setReferredId(ref.getId());
|
||||
if (ref instanceof WithName) {
|
||||
rb.setLastSnapshotId(((WithName) ref).getLastSnapshotId()).setName(
|
||||
ByteString.copyFrom(ref.getLocalNameBytes()));
|
||||
} else if (ref instanceof DstReference) {
|
||||
rb.setDstSnapshotId(((DstReference) ref).getDstSnapshotId());
|
||||
}
|
||||
return rb;
|
||||
}
|
||||
|
||||
private final FSNamesystem fsn;
|
||||
private final FileSummary.Builder summary;
|
||||
private final SaveNamespaceContext context;
|
||||
private final FSImageFormatProtobuf.Saver parent;
|
||||
|
||||
Saver(FSImageFormatProtobuf.Saver parent, FileSummary.Builder summary) {
|
||||
this.parent = parent;
|
||||
this.summary = summary;
|
||||
this.context = parent.getContext();
|
||||
this.fsn = context.getSourceNamesystem();
|
||||
}
|
||||
|
||||
void serializeINodeDirectorySection(OutputStream out) throws IOException {
|
||||
Iterator<INodeWithAdditionalFields> iter = fsn.getFSDirectory()
|
||||
.getINodeMap().getMapIterator();
|
||||
int i = 0;
|
||||
while (iter.hasNext()) {
|
||||
INodeWithAdditionalFields n = iter.next();
|
||||
if (!n.isDirectory()) {
|
||||
continue;
|
||||
}
|
||||
|
||||
ReadOnlyList<INode> children = n.asDirectory().getChildrenList(
|
||||
Snapshot.CURRENT_STATE_ID);
|
||||
if (children.size() > 0) {
|
||||
INodeDirectorySection.DirEntry.Builder b = INodeDirectorySection.
|
||||
DirEntry.newBuilder().setParent(n.getId());
|
||||
List<INodeReference> refs = new ArrayList<INodeReference>();
|
||||
for (INode inode : children) {
|
||||
if (!inode.isReference()) {
|
||||
b.addChildren(inode.getId());
|
||||
} else {
|
||||
refs.add(inode.asReference());
|
||||
}
|
||||
}
|
||||
b.setNumOfRef(refs.size());
|
||||
INodeDirectorySection.DirEntry e = b.build();
|
||||
e.writeDelimitedTo(out);
|
||||
for (INodeReference ref : refs) {
|
||||
INodeSection.INodeReference.Builder rb = buildINodeReference(ref);
|
||||
rb.build().writeDelimitedTo(out);
|
||||
}
|
||||
}
|
||||
|
||||
++i;
|
||||
if (i % FSImageFormatProtobuf.Saver.CHECK_CANCEL_INTERVAL == 0) {
|
||||
context.checkCancelled();
|
||||
}
|
||||
}
|
||||
parent.commitSection(summary,
|
||||
FSImageFormatProtobuf.SectionName.INODE_DIR);
|
||||
}
|
||||
|
||||
void serializeINodeSection(OutputStream out) throws IOException {
|
||||
INodeMap inodesMap = fsn.dir.getINodeMap();
|
||||
|
||||
INodeSection.Builder b = INodeSection.newBuilder()
|
||||
.setLastInodeId(fsn.getLastInodeId()).setNumInodes(inodesMap.size());
|
||||
INodeSection s = b.build();
|
||||
s.writeDelimitedTo(out);
|
||||
|
||||
int i = 0;
|
||||
Iterator<INodeWithAdditionalFields> iter = inodesMap.getMapIterator();
|
||||
while (iter.hasNext()) {
|
||||
INodeWithAdditionalFields n = iter.next();
|
||||
save(out, n);
|
||||
++i;
|
||||
if (i % FSImageFormatProtobuf.Saver.CHECK_CANCEL_INTERVAL == 0) {
|
||||
context.checkCancelled();
|
||||
}
|
||||
}
|
||||
parent.commitSection(summary, FSImageFormatProtobuf.SectionName.INODE);
|
||||
}
|
||||
|
||||
void serializeFilesUCSection(OutputStream out) throws IOException {
|
||||
Map<String, INodeFile> ucMap = fsn.getFilesUnderConstruction();
|
||||
for (Map.Entry<String, INodeFile> entry : ucMap.entrySet()) {
|
||||
String path = entry.getKey();
|
||||
INodeFile file = entry.getValue();
|
||||
FileUnderConstructionEntry.Builder b = FileUnderConstructionEntry
|
||||
.newBuilder().setInodeId(file.getId()).setFullPath(path);
|
||||
FileUnderConstructionEntry e = b.build();
|
||||
e.writeDelimitedTo(out);
|
||||
}
|
||||
parent.commitSection(summary,
|
||||
FSImageFormatProtobuf.SectionName.FILES_UNDERCONSTRUCTION);
|
||||
}
|
||||
|
||||
private void save(OutputStream out, INode n) throws IOException {
|
||||
if (n.isDirectory()) {
|
||||
save(out, n.asDirectory());
|
||||
} else if (n.isFile()) {
|
||||
save(out, n.asFile());
|
||||
} else if (n.isSymlink()) {
|
||||
save(out, n.asSymlink());
|
||||
}
|
||||
}
|
||||
|
||||
private void save(OutputStream out, INodeDirectory n) throws IOException {
|
||||
INodeSection.INodeDirectory.Builder b = buildINodeDirectory(n,
|
||||
parent.getStringMap());
|
||||
INodeSection.INode r = buildINodeCommon(n)
|
||||
.setType(INodeSection.INode.Type.DIRECTORY).setDirectory(b).build();
|
||||
r.writeDelimitedTo(out);
|
||||
}
|
||||
|
||||
private void save(OutputStream out, INodeFile n) throws IOException {
|
||||
INodeSection.INodeFile.Builder b = buildINodeFile(n,
|
||||
parent.getStringMap());
|
||||
|
||||
for (Block block : n.getBlocks()) {
|
||||
b.addBlocks(PBHelper.convert(block));
|
||||
}
|
||||
|
||||
FileUnderConstructionFeature uc = n.getFileUnderConstructionFeature();
|
||||
if (uc != null) {
|
||||
INodeSection.FileUnderConstructionFeature f =
|
||||
INodeSection.FileUnderConstructionFeature
|
||||
.newBuilder().setClientName(uc.getClientName())
|
||||
.setClientMachine(uc.getClientMachine()).build();
|
||||
b.setFileUC(f);
|
||||
}
|
||||
|
||||
INodeSection.INode r = buildINodeCommon(n)
|
||||
.setType(INodeSection.INode.Type.FILE).setFile(b).build();
|
||||
r.writeDelimitedTo(out);
|
||||
}
|
||||
|
||||
private void save(OutputStream out, INodeSymlink n) throws IOException {
|
||||
INodeSection.INodeSymlink.Builder b = INodeSection.INodeSymlink
|
||||
.newBuilder()
|
||||
.setPermission(buildPermissionStatus(n, parent.getStringMap()))
|
||||
.setTarget(ByteString.copyFrom(n.getSymlink()));
|
||||
INodeSection.INode r = buildINodeCommon(n)
|
||||
.setType(INodeSection.INode.Type.SYMLINK).setSymlink(b).build();
|
||||
r.writeDelimitedTo(out);
|
||||
}
|
||||
|
||||
private final INodeSection.INode.Builder buildINodeCommon(INode n) {
|
||||
return INodeSection.INode.newBuilder()
|
||||
.setId(n.getId())
|
||||
.setName(ByteString.copyFrom(n.getLocalNameBytes()));
|
||||
}
|
||||
}
|
||||
|
||||
private FSImageFormatPBINode() {
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,551 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package org.apache.hadoop.hdfs.server.namenode;
|
||||
|
||||
import java.io.BufferedInputStream;
|
||||
import java.io.BufferedOutputStream;
|
||||
import java.io.File;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.OutputStream;
|
||||
import java.io.RandomAccessFile;
|
||||
import java.nio.ByteBuffer;
|
||||
import java.nio.channels.FileChannel;
|
||||
import java.security.DigestOutputStream;
|
||||
import java.security.MessageDigest;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.Comparator;
|
||||
import java.util.Map;
|
||||
import java.util.Map.Entry;
|
||||
import java.util.Set;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.hdfs.protocol.LayoutVersion;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CacheDirectiveInfoProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CachePoolInfoProto;
|
||||
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSecretManager;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.CacheManagerSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.FileSummary;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.NameSystemSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.SecretManagerSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.StringTableSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.FSImageFormatPBSnapshot;
|
||||
import org.apache.hadoop.hdfs.server.namenode.startupprogress.Phase;
|
||||
import org.apache.hadoop.hdfs.server.namenode.startupprogress.StartupProgress;
|
||||
import org.apache.hadoop.hdfs.server.namenode.startupprogress.Step;
|
||||
import org.apache.hadoop.hdfs.server.namenode.startupprogress.StepType;
|
||||
import org.apache.hadoop.hdfs.util.MD5FileUtils;
|
||||
import org.apache.hadoop.io.MD5Hash;
|
||||
import org.apache.hadoop.io.compress.CompressionCodec;
|
||||
import org.apache.hadoop.io.compress.CompressorStream;
|
||||
|
||||
import com.google.common.collect.Lists;
|
||||
import com.google.common.collect.Maps;
|
||||
import com.google.common.io.LimitInputStream;
|
||||
import com.google.protobuf.CodedOutputStream;
|
||||
|
||||
/**
|
||||
* Utility class to read / write fsimage in protobuf format.
|
||||
*/
|
||||
@InterfaceAudience.Private
|
||||
public final class FSImageFormatProtobuf {
|
||||
private static final Log LOG = LogFactory.getLog(FSImageFormatProtobuf.class);
|
||||
|
||||
public static final class Loader implements FSImageFormat.AbstractLoader {
|
||||
static final int MINIMUM_FILE_LENGTH = 8;
|
||||
private final Configuration conf;
|
||||
private final FSNamesystem fsn;
|
||||
|
||||
private String[] stringTable;
|
||||
|
||||
/** The MD5 sum of the loaded file */
|
||||
private MD5Hash imgDigest;
|
||||
/** The transaction ID of the last edit represented by the loaded file */
|
||||
private long imgTxId;
|
||||
|
||||
Loader(Configuration conf, FSNamesystem fsn) {
|
||||
this.conf = conf;
|
||||
this.fsn = fsn;
|
||||
}
|
||||
|
||||
@Override
|
||||
public MD5Hash getLoadedImageMd5() {
|
||||
return imgDigest;
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getLoadedImageTxId() {
|
||||
return imgTxId;
|
||||
}
|
||||
|
||||
public String[] getStringTable() {
|
||||
return stringTable;
|
||||
}
|
||||
|
||||
void load(File file) throws IOException {
|
||||
long start = System.currentTimeMillis();
|
||||
imgDigest = MD5FileUtils.computeMd5ForFile(file);
|
||||
RandomAccessFile raFile = new RandomAccessFile(file, "r");
|
||||
FileInputStream fin = new FileInputStream(file);
|
||||
try {
|
||||
loadInternal(raFile, fin);
|
||||
long end = System.currentTimeMillis();
|
||||
LOG.info("Loaded FSImage in " + (end - start) / 1000 + " seconds.");
|
||||
} finally {
|
||||
fin.close();
|
||||
raFile.close();
|
||||
}
|
||||
}
|
||||
|
||||
private void loadInternal(RandomAccessFile raFile, FileInputStream fin)
|
||||
throws IOException {
|
||||
if (!FSImageUtil.checkFileFormat(raFile)) {
|
||||
throw new IOException("Unrecognized file format");
|
||||
}
|
||||
FileSummary summary = FSImageUtil.loadSummary(raFile);
|
||||
|
||||
FileChannel channel = fin.getChannel();
|
||||
|
||||
FSImageFormatPBINode.Loader inodeLoader = new FSImageFormatPBINode.Loader(
|
||||
fsn, this);
|
||||
FSImageFormatPBSnapshot.Loader snapshotLoader = new FSImageFormatPBSnapshot.Loader(
|
||||
fsn, this);
|
||||
|
||||
ArrayList<FileSummary.Section> sections = Lists.newArrayList(summary
|
||||
.getSectionsList());
|
||||
Collections.sort(sections, new Comparator<FileSummary.Section>() {
|
||||
@Override
|
||||
public int compare(FileSummary.Section s1, FileSummary.Section s2) {
|
||||
SectionName n1 = SectionName.fromString(s1.getName());
|
||||
SectionName n2 = SectionName.fromString(s2.getName());
|
||||
if (n1 == null) {
|
||||
return n2 == null ? 0 : -1;
|
||||
} else if (n2 == null) {
|
||||
return -1;
|
||||
} else {
|
||||
return n1.ordinal() - n2.ordinal();
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
StartupProgress prog = NameNode.getStartupProgress();
|
||||
/**
|
||||
* beginStep() and the endStep() calls do not match the boundary of the
|
||||
* sections. This is because that the current implementation only allows
|
||||
* a particular step to be started for once.
|
||||
*/
|
||||
Step currentStep = null;
|
||||
|
||||
for (FileSummary.Section s : sections) {
|
||||
channel.position(s.getOffset());
|
||||
InputStream in = new BufferedInputStream(new LimitInputStream(fin,
|
||||
s.getLength()));
|
||||
|
||||
in = FSImageUtil.wrapInputStreamForCompression(conf,
|
||||
summary.getCodec(), in);
|
||||
|
||||
String n = s.getName();
|
||||
|
||||
switch (SectionName.fromString(n)) {
|
||||
case NS_INFO:
|
||||
loadNameSystemSection(in);
|
||||
break;
|
||||
case STRING_TABLE:
|
||||
loadStringTableSection(in);
|
||||
break;
|
||||
case INODE: {
|
||||
currentStep = new Step(StepType.INODES);
|
||||
prog.beginStep(Phase.LOADING_FSIMAGE, currentStep);
|
||||
inodeLoader.loadINodeSection(in);
|
||||
}
|
||||
break;
|
||||
case INODE_DIR:
|
||||
inodeLoader.loadINodeDirectorySection(in);
|
||||
break;
|
||||
case FILES_UNDERCONSTRUCTION:
|
||||
inodeLoader.loadFilesUnderConstructionSection(in);
|
||||
break;
|
||||
case SNAPSHOT:
|
||||
snapshotLoader.loadSnapshotSection(in);
|
||||
break;
|
||||
case SNAPSHOT_DIFF:
|
||||
snapshotLoader.loadSnapshotDiffSection(in);
|
||||
break;
|
||||
case SECRET_MANAGER: {
|
||||
prog.endStep(Phase.LOADING_FSIMAGE, currentStep);
|
||||
Step step = new Step(StepType.DELEGATION_TOKENS);
|
||||
prog.beginStep(Phase.LOADING_FSIMAGE, step);
|
||||
loadSecretManagerSection(in);
|
||||
prog.endStep(Phase.LOADING_FSIMAGE, step);
|
||||
}
|
||||
break;
|
||||
case CACHE_MANAGER: {
|
||||
Step step = new Step(StepType.CACHE_POOLS);
|
||||
prog.beginStep(Phase.LOADING_FSIMAGE, step);
|
||||
loadCacheManagerSection(in);
|
||||
prog.endStep(Phase.LOADING_FSIMAGE, step);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
LOG.warn("Unregconized section " + n);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void loadNameSystemSection(InputStream in) throws IOException {
|
||||
NameSystemSection s = NameSystemSection.parseDelimitedFrom(in);
|
||||
fsn.setGenerationStampV1(s.getGenstampV1());
|
||||
fsn.setGenerationStampV2(s.getGenstampV2());
|
||||
fsn.setGenerationStampV1Limit(s.getGenstampV1Limit());
|
||||
fsn.setLastAllocatedBlockId(s.getLastAllocatedBlockId());
|
||||
imgTxId = s.getTransactionId();
|
||||
}
|
||||
|
||||
private void loadStringTableSection(InputStream in) throws IOException {
|
||||
StringTableSection s = StringTableSection.parseDelimitedFrom(in);
|
||||
stringTable = new String[s.getNumEntry() + 1];
|
||||
for (int i = 0; i < s.getNumEntry(); ++i) {
|
||||
StringTableSection.Entry e = StringTableSection.Entry
|
||||
.parseDelimitedFrom(in);
|
||||
stringTable[e.getId()] = e.getStr();
|
||||
}
|
||||
}
|
||||
|
||||
private void loadSecretManagerSection(InputStream in) throws IOException {
|
||||
SecretManagerSection s = SecretManagerSection.parseDelimitedFrom(in);
|
||||
int numKeys = s.getNumKeys(), numTokens = s.getNumTokens();
|
||||
ArrayList<SecretManagerSection.DelegationKey> keys = Lists
|
||||
.newArrayListWithCapacity(numKeys);
|
||||
ArrayList<SecretManagerSection.PersistToken> tokens = Lists
|
||||
.newArrayListWithCapacity(numTokens);
|
||||
|
||||
for (int i = 0; i < numKeys; ++i)
|
||||
keys.add(SecretManagerSection.DelegationKey.parseDelimitedFrom(in));
|
||||
|
||||
for (int i = 0; i < numTokens; ++i)
|
||||
tokens.add(SecretManagerSection.PersistToken.parseDelimitedFrom(in));
|
||||
|
||||
fsn.loadSecretManagerState(s, keys, tokens);
|
||||
}
|
||||
|
||||
private void loadCacheManagerSection(InputStream in) throws IOException {
|
||||
CacheManagerSection s = CacheManagerSection.parseDelimitedFrom(in);
|
||||
ArrayList<CachePoolInfoProto> pools = Lists.newArrayListWithCapacity(s
|
||||
.getNumPools());
|
||||
ArrayList<CacheDirectiveInfoProto> directives = Lists
|
||||
.newArrayListWithCapacity(s.getNumDirectives());
|
||||
for (int i = 0; i < s.getNumPools(); ++i)
|
||||
pools.add(CachePoolInfoProto.parseDelimitedFrom(in));
|
||||
for (int i = 0; i < s.getNumDirectives(); ++i)
|
||||
directives.add(CacheDirectiveInfoProto.parseDelimitedFrom(in));
|
||||
fsn.getCacheManager().loadState(
|
||||
new CacheManager.PersistState(s, pools, directives));
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
public static final class Saver {
|
||||
private final SaveNamespaceContext context;
|
||||
private long currentOffset = FSImageUtil.MAGIC_HEADER.length;
|
||||
private MD5Hash savedDigest;
|
||||
private StringMap stringMap = new StringMap();
|
||||
|
||||
private FileChannel fileChannel;
|
||||
// OutputStream for the section data
|
||||
private OutputStream sectionOutputStream;
|
||||
private CompressionCodec codec;
|
||||
private OutputStream underlyingOutputStream;
|
||||
public static final int CHECK_CANCEL_INTERVAL = 4096;
|
||||
|
||||
Saver(SaveNamespaceContext context) {
|
||||
this.context = context;
|
||||
}
|
||||
|
||||
public MD5Hash getSavedDigest() {
|
||||
return savedDigest;
|
||||
}
|
||||
|
||||
public SaveNamespaceContext getContext() {
|
||||
return context;
|
||||
}
|
||||
|
||||
public void commitSection(FileSummary.Builder summary, SectionName name)
|
||||
throws IOException {
|
||||
long oldOffset = currentOffset;
|
||||
flushSectionOutputStream();
|
||||
|
||||
if (codec != null) {
|
||||
sectionOutputStream = codec.createOutputStream(underlyingOutputStream);
|
||||
} else {
|
||||
sectionOutputStream = underlyingOutputStream;
|
||||
}
|
||||
long length = fileChannel.position() - oldOffset;
|
||||
summary.addSections(FileSummary.Section.newBuilder().setName(name.name)
|
||||
.setLength(length).setOffset(currentOffset));
|
||||
currentOffset += length;
|
||||
}
|
||||
|
||||
private void flushSectionOutputStream() throws IOException {
|
||||
if (codec != null) {
|
||||
((CompressorStream) sectionOutputStream).finish();
|
||||
}
|
||||
sectionOutputStream.flush();
|
||||
}
|
||||
|
||||
void save(File file, FSImageCompression compression) throws IOException {
|
||||
FileOutputStream fout = new FileOutputStream(file);
|
||||
fileChannel = fout.getChannel();
|
||||
try {
|
||||
saveInternal(fout, compression, file.getAbsolutePath().toString());
|
||||
} finally {
|
||||
fout.close();
|
||||
}
|
||||
}
|
||||
|
||||
private static void saveFileSummary(OutputStream out, FileSummary summary)
|
||||
throws IOException {
|
||||
summary.writeDelimitedTo(out);
|
||||
int length = getOndiskTrunkSize(summary);
|
||||
byte[] lengthBytes = new byte[4];
|
||||
ByteBuffer.wrap(lengthBytes).asIntBuffer().put(length);
|
||||
out.write(lengthBytes);
|
||||
}
|
||||
|
||||
private void saveInodes(FileSummary.Builder summary) throws IOException {
|
||||
FSImageFormatPBINode.Saver saver = new FSImageFormatPBINode.Saver(this,
|
||||
summary);
|
||||
|
||||
saver.serializeINodeSection(sectionOutputStream);
|
||||
saver.serializeINodeDirectorySection(sectionOutputStream);
|
||||
saver.serializeFilesUCSection(sectionOutputStream);
|
||||
}
|
||||
|
||||
private void saveSnapshots(FileSummary.Builder summary) throws IOException {
|
||||
FSImageFormatPBSnapshot.Saver snapshotSaver = new FSImageFormatPBSnapshot.Saver(
|
||||
this, summary, context, context.getSourceNamesystem());
|
||||
|
||||
snapshotSaver.serializeSnapshotSection(sectionOutputStream);
|
||||
snapshotSaver.serializeSnapshotDiffSection(sectionOutputStream);
|
||||
}
|
||||
|
||||
private void saveInternal(FileOutputStream fout,
|
||||
FSImageCompression compression, String filePath) throws IOException {
|
||||
StartupProgress prog = NameNode.getStartupProgress();
|
||||
MessageDigest digester = MD5Hash.getDigester();
|
||||
|
||||
underlyingOutputStream = new DigestOutputStream(new BufferedOutputStream(
|
||||
fout), digester);
|
||||
underlyingOutputStream.write(FSImageUtil.MAGIC_HEADER);
|
||||
|
||||
fileChannel = fout.getChannel();
|
||||
|
||||
FileSummary.Builder b = FileSummary.newBuilder()
|
||||
.setOndiskVersion(FSImageUtil.FILE_VERSION)
|
||||
.setLayoutVersion(LayoutVersion.getCurrentLayoutVersion());
|
||||
|
||||
codec = compression.getImageCodec();
|
||||
if (codec != null) {
|
||||
b.setCodec(codec.getClass().getCanonicalName());
|
||||
sectionOutputStream = codec.createOutputStream(underlyingOutputStream);
|
||||
} else {
|
||||
sectionOutputStream = underlyingOutputStream;
|
||||
}
|
||||
|
||||
saveNameSystemSection(b);
|
||||
// Check for cancellation right after serializing the name system section.
|
||||
// Some unit tests, such as TestSaveNamespace#testCancelSaveNameSpace
|
||||
// depends on this behavior.
|
||||
context.checkCancelled();
|
||||
|
||||
Step step = new Step(StepType.INODES, filePath);
|
||||
prog.beginStep(Phase.SAVING_CHECKPOINT, step);
|
||||
saveInodes(b);
|
||||
saveSnapshots(b);
|
||||
prog.endStep(Phase.SAVING_CHECKPOINT, step);
|
||||
|
||||
step = new Step(StepType.DELEGATION_TOKENS, filePath);
|
||||
prog.beginStep(Phase.SAVING_CHECKPOINT, step);
|
||||
saveSecretManagerSection(b);
|
||||
prog.endStep(Phase.SAVING_CHECKPOINT, step);
|
||||
|
||||
step = new Step(StepType.CACHE_POOLS, filePath);
|
||||
prog.beginStep(Phase.SAVING_CHECKPOINT, step);
|
||||
saveCacheManagerSection(b);
|
||||
prog.endStep(Phase.SAVING_CHECKPOINT, step);
|
||||
|
||||
saveStringTableSection(b);
|
||||
|
||||
// We use the underlyingOutputStream to write the header. Therefore flush
|
||||
// the buffered stream (which is potentially compressed) first.
|
||||
flushSectionOutputStream();
|
||||
|
||||
FileSummary summary = b.build();
|
||||
saveFileSummary(underlyingOutputStream, summary);
|
||||
underlyingOutputStream.close();
|
||||
savedDigest = new MD5Hash(digester.digest());
|
||||
}
|
||||
|
||||
private void saveSecretManagerSection(FileSummary.Builder summary)
|
||||
throws IOException {
|
||||
final FSNamesystem fsn = context.getSourceNamesystem();
|
||||
DelegationTokenSecretManager.SecretManagerState state = fsn
|
||||
.saveSecretManagerState();
|
||||
state.section.writeDelimitedTo(sectionOutputStream);
|
||||
for (SecretManagerSection.DelegationKey k : state.keys)
|
||||
k.writeDelimitedTo(sectionOutputStream);
|
||||
|
||||
for (SecretManagerSection.PersistToken t : state.tokens)
|
||||
t.writeDelimitedTo(sectionOutputStream);
|
||||
|
||||
commitSection(summary, SectionName.SECRET_MANAGER);
|
||||
}
|
||||
|
||||
private void saveCacheManagerSection(FileSummary.Builder summary)
|
||||
throws IOException {
|
||||
final FSNamesystem fsn = context.getSourceNamesystem();
|
||||
CacheManager.PersistState state = fsn.getCacheManager().saveState();
|
||||
state.section.writeDelimitedTo(sectionOutputStream);
|
||||
|
||||
for (CachePoolInfoProto p : state.pools)
|
||||
p.writeDelimitedTo(sectionOutputStream);
|
||||
|
||||
for (CacheDirectiveInfoProto p : state.directives)
|
||||
p.writeDelimitedTo(sectionOutputStream);
|
||||
|
||||
commitSection(summary, SectionName.CACHE_MANAGER);
|
||||
}
|
||||
|
||||
private void saveNameSystemSection(FileSummary.Builder summary)
|
||||
throws IOException {
|
||||
final FSNamesystem fsn = context.getSourceNamesystem();
|
||||
OutputStream out = sectionOutputStream;
|
||||
NameSystemSection.Builder b = NameSystemSection.newBuilder()
|
||||
.setGenstampV1(fsn.getGenerationStampV1())
|
||||
.setGenstampV1Limit(fsn.getGenerationStampV1Limit())
|
||||
.setGenstampV2(fsn.getGenerationStampV2())
|
||||
.setLastAllocatedBlockId(fsn.getLastAllocatedBlockId())
|
||||
.setTransactionId(context.getTxId());
|
||||
|
||||
// We use the non-locked version of getNamespaceInfo here since
|
||||
// the coordinating thread of saveNamespace already has read-locked
|
||||
// the namespace for us. If we attempt to take another readlock
|
||||
// from the actual saver thread, there's a potential of a
|
||||
// fairness-related deadlock. See the comments on HDFS-2223.
|
||||
b.setNamespaceId(fsn.unprotectedGetNamespaceInfo().getNamespaceID());
|
||||
NameSystemSection s = b.build();
|
||||
s.writeDelimitedTo(out);
|
||||
|
||||
commitSection(summary, SectionName.NS_INFO);
|
||||
}
|
||||
|
||||
private void saveStringTableSection(FileSummary.Builder summary)
|
||||
throws IOException {
|
||||
OutputStream out = sectionOutputStream;
|
||||
StringTableSection.Builder b = StringTableSection.newBuilder()
|
||||
.setNumEntry(stringMap.size());
|
||||
b.build().writeDelimitedTo(out);
|
||||
for (Entry<String, Integer> e : stringMap.entrySet()) {
|
||||
StringTableSection.Entry.Builder eb = StringTableSection.Entry
|
||||
.newBuilder().setId(e.getValue()).setStr(e.getKey());
|
||||
eb.build().writeDelimitedTo(out);
|
||||
}
|
||||
commitSection(summary, SectionName.STRING_TABLE);
|
||||
}
|
||||
|
||||
public StringMap getStringMap() {
|
||||
return stringMap;
|
||||
}
|
||||
}
|
||||
|
||||
public static class StringMap {
|
||||
private final Map<String, Integer> stringMap;
|
||||
|
||||
public StringMap() {
|
||||
stringMap = Maps.newHashMap();
|
||||
}
|
||||
|
||||
int getStringId(String str) {
|
||||
if (str == null) {
|
||||
return 0;
|
||||
}
|
||||
Integer v = stringMap.get(str);
|
||||
if (v == null) {
|
||||
int nv = stringMap.size() + 1;
|
||||
stringMap.put(str, nv);
|
||||
return nv;
|
||||
}
|
||||
return v;
|
||||
}
|
||||
|
||||
int size() {
|
||||
return stringMap.size();
|
||||
}
|
||||
|
||||
Set<Entry<String, Integer>> entrySet() {
|
||||
return stringMap.entrySet();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Supported section name. The order of the enum determines the order of
|
||||
* loading.
|
||||
*/
|
||||
public enum SectionName {
|
||||
NS_INFO("NS_INFO"),
|
||||
STRING_TABLE("STRING_TABLE"),
|
||||
INODE("INODE"),
|
||||
SNAPSHOT("SNAPSHOT"),
|
||||
INODE_DIR("INODE_DIR"),
|
||||
FILES_UNDERCONSTRUCTION("FILES_UNDERCONSTRUCTION"),
|
||||
SNAPSHOT_DIFF("SNAPSHOT_DIFF"),
|
||||
SECRET_MANAGER("SECRET_MANAGER"),
|
||||
CACHE_MANAGER("CACHE_MANAGER");
|
||||
|
||||
private static final SectionName[] values = SectionName.values();
|
||||
|
||||
public static SectionName fromString(String name) {
|
||||
for (SectionName n : values) {
|
||||
if (n.name.equals(name))
|
||||
return n;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
private final String name;
|
||||
|
||||
private SectionName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
}
|
||||
|
||||
private static int getOndiskTrunkSize(com.google.protobuf.GeneratedMessage s) {
|
||||
return CodedOutputStream.computeRawVarint32Size(s.getSerializedSize())
|
||||
+ s.getSerializedSize();
|
||||
}
|
||||
|
||||
private FSImageFormatProtobuf() {
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,93 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.apache.hadoop.hdfs.server.namenode;
|
||||
|
||||
import java.io.ByteArrayInputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.RandomAccessFile;
|
||||
import java.util.Arrays;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.hdfs.protocol.LayoutVersion;
|
||||
import org.apache.hadoop.hdfs.protocol.LayoutVersion.Feature;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf.Loader;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.FileSummary;
|
||||
import org.apache.hadoop.io.compress.CompressionCodec;
|
||||
|
||||
@InterfaceAudience.Private
|
||||
public final class FSImageUtil {
|
||||
public static final byte[] MAGIC_HEADER = "HDFSIMG1".getBytes();
|
||||
public static final int FILE_VERSION = 1;
|
||||
|
||||
public static boolean checkFileFormat(RandomAccessFile file)
|
||||
throws IOException {
|
||||
if (file.length() < Loader.MINIMUM_FILE_LENGTH)
|
||||
return false;
|
||||
|
||||
byte[] magic = new byte[MAGIC_HEADER.length];
|
||||
file.readFully(magic);
|
||||
if (!Arrays.equals(MAGIC_HEADER, magic))
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
public static FileSummary loadSummary(RandomAccessFile file)
|
||||
throws IOException {
|
||||
final int FILE_LENGTH_FIELD_SIZE = 4;
|
||||
long fileLength = file.length();
|
||||
file.seek(fileLength - FILE_LENGTH_FIELD_SIZE);
|
||||
int summaryLength = file.readInt();
|
||||
|
||||
if (summaryLength <= 0) {
|
||||
throw new IOException("Negative length of the file");
|
||||
}
|
||||
file.seek(fileLength - FILE_LENGTH_FIELD_SIZE - summaryLength);
|
||||
|
||||
byte[] summaryBytes = new byte[summaryLength];
|
||||
file.readFully(summaryBytes);
|
||||
|
||||
FileSummary summary = FileSummary
|
||||
.parseDelimitedFrom(new ByteArrayInputStream(summaryBytes));
|
||||
if (summary.getOndiskVersion() != FILE_VERSION) {
|
||||
throw new IOException("Unsupported file version "
|
||||
+ summary.getOndiskVersion());
|
||||
}
|
||||
|
||||
if (!LayoutVersion.supports(Feature.PROTOBUF_FORMAT,
|
||||
summary.getLayoutVersion())) {
|
||||
throw new IOException("Unsupported layout version "
|
||||
+ summary.getLayoutVersion());
|
||||
}
|
||||
return summary;
|
||||
}
|
||||
|
||||
public static InputStream wrapInputStreamForCompression(
|
||||
Configuration conf, String codec, InputStream in) throws IOException {
|
||||
if (codec.isEmpty())
|
||||
return in;
|
||||
|
||||
FSImageCompression compression = FSImageCompression.createCompression(
|
||||
conf, codec);
|
||||
CompressionCodec imageCodec = compression.getImageCodec();
|
||||
return imageCodec.createInputStream(in);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -180,6 +180,7 @@
|
|||
import org.apache.hadoop.hdfs.security.token.block.BlockTokenSecretManager.AccessMode;
|
||||
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
|
||||
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSecretManager;
|
||||
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSecretManager.SecretManagerState;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockCollection;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoUnderConstruction;
|
||||
|
|
@ -197,6 +198,8 @@
|
|||
import org.apache.hadoop.hdfs.server.common.Storage.StorageDirType;
|
||||
import org.apache.hadoop.hdfs.server.common.Storage.StorageDirectory;
|
||||
import org.apache.hadoop.hdfs.server.common.Util;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.SecretManagerSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.SecretManagerSection.PersistToken;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INode.BlocksMapUpdateInfo;
|
||||
import org.apache.hadoop.hdfs.server.namenode.JournalSet.JournalAndStream;
|
||||
import org.apache.hadoop.hdfs.server.namenode.LeaseManager.Lease;
|
||||
|
|
@ -5992,6 +5995,15 @@ void saveFilesUnderConstruction(DataOutputStream out,
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @return all the under-construction files in the lease map
|
||||
*/
|
||||
Map<String, INodeFile> getFilesUnderConstruction() {
|
||||
synchronized (leaseManager) {
|
||||
return leaseManager.getINodesUnderConstruction();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Register a Backup name-node, verifying that it belongs
|
||||
* to the correct namespace, and adding it to the set of
|
||||
|
|
@ -6268,6 +6280,10 @@ void saveSecretManagerStateCompat(DataOutputStream out, String sdPath)
|
|||
dtSecretManager.saveSecretManagerStateCompat(out, sdPath);
|
||||
}
|
||||
|
||||
SecretManagerState saveSecretManagerState() {
|
||||
return dtSecretManager.saveSecretManagerState();
|
||||
}
|
||||
|
||||
/**
|
||||
* @param in load the state of secret manager from input stream
|
||||
*/
|
||||
|
|
@ -6275,6 +6291,12 @@ void loadSecretManagerStateCompat(DataInput in) throws IOException {
|
|||
dtSecretManager.loadSecretManagerStateCompat(in);
|
||||
}
|
||||
|
||||
void loadSecretManagerState(SecretManagerSection s,
|
||||
List<SecretManagerSection.DelegationKey> keys,
|
||||
List<SecretManagerSection.PersistToken> tokens) throws IOException {
|
||||
dtSecretManager.loadSecretManagerState(new SecretManagerState(s, keys, tokens));
|
||||
}
|
||||
|
||||
/**
|
||||
* Log the updateMasterKey operation to edit logs
|
||||
*
|
||||
|
|
|
|||
|
|
@ -171,7 +171,7 @@ private int searchChildren(byte[] name) {
|
|||
return children == null? -1: Collections.binarySearch(children, name);
|
||||
}
|
||||
|
||||
protected DirectoryWithSnapshotFeature addSnapshotFeature(
|
||||
public DirectoryWithSnapshotFeature addSnapshotFeature(
|
||||
DirectoryDiffList diffs) {
|
||||
Preconditions.checkState(!isWithSnapshot(),
|
||||
"Directory is already with snapshot");
|
||||
|
|
|
|||
|
|
@ -252,7 +252,7 @@ boolean removeLastBlock(Block oldblock) {
|
|||
|
||||
/* Start of Snapshot Feature */
|
||||
|
||||
private FileWithSnapshotFeature addSnapshotFeature(FileDiffList diffs) {
|
||||
public FileWithSnapshotFeature addSnapshotFeature(FileDiffList diffs) {
|
||||
Preconditions.checkState(!isWithSnapshot(),
|
||||
"File is already with snapshot");
|
||||
FileWithSnapshotFeature sf = new FileWithSnapshotFeature(diffs);
|
||||
|
|
|
|||
|
|
@ -17,6 +17,7 @@
|
|||
*/
|
||||
package org.apache.hadoop.hdfs.server.namenode;
|
||||
|
||||
import java.util.Iterator;
|
||||
import java.util.List;
|
||||
|
||||
import org.apache.hadoop.fs.permission.FsPermission;
|
||||
|
|
@ -46,6 +47,10 @@ static INodeMap newInstance(INodeDirectory rootDir) {
|
|||
/** Synchronized by external lock. */
|
||||
private final GSet<INode, INodeWithAdditionalFields> map;
|
||||
|
||||
public Iterator<INodeWithAdditionalFields> getMapIterator() {
|
||||
return map.iterator();
|
||||
}
|
||||
|
||||
private INodeMap(GSet<INode, INodeWithAdditionalFields> map) {
|
||||
Preconditions.checkArgument(map != null);
|
||||
this.map = map;
|
||||
|
|
|
|||
|
|
@ -22,6 +22,7 @@
|
|||
import java.util.List;
|
||||
import java.util.concurrent.CountDownLatch;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
import org.apache.hadoop.hdfs.server.common.Storage.StorageDirectory;
|
||||
import org.apache.hadoop.hdfs.util.Canceler;
|
||||
|
||||
|
|
@ -32,7 +33,8 @@
|
|||
* allows cancellation, and also is responsible for accumulating
|
||||
* failed storage directories.
|
||||
*/
|
||||
class SaveNamespaceContext {
|
||||
@InterfaceAudience.Private
|
||||
public class SaveNamespaceContext {
|
||||
private final FSNamesystem sourceNamesystem;
|
||||
private final long txid;
|
||||
private final List<StorageDirectory> errorSDs =
|
||||
|
|
@ -72,7 +74,7 @@ void markComplete() {
|
|||
completionLatch.countDown();
|
||||
}
|
||||
|
||||
void checkCancelled() throws SaveNamespaceCancelledException {
|
||||
public void checkCancelled() throws SaveNamespaceCancelledException {
|
||||
if (canceller.isCancelled()) {
|
||||
throw new SaveNamespaceCancelledException(
|
||||
canceller.getCancellationReason());
|
||||
|
|
|
|||
|
|
@ -244,7 +244,7 @@ private DirectoryDiff(int snapshotId, INodeDirectory dir) {
|
|||
this.isSnapshotRoot = isSnapshotRoot;
|
||||
}
|
||||
|
||||
ChildrenDiff getChildrenDiff() {
|
||||
public ChildrenDiff getChildrenDiff() {
|
||||
return diff;
|
||||
}
|
||||
|
||||
|
|
@ -343,6 +343,10 @@ public String toString() {
|
|||
return super.toString() + " childrenSize=" + childrenSize + ", " + diff;
|
||||
}
|
||||
|
||||
int getChildrenSize() {
|
||||
return childrenSize;
|
||||
}
|
||||
|
||||
@Override
|
||||
void write(DataOutput out, ReferenceMap referenceMap) throws IOException {
|
||||
writeSnapshot(out);
|
||||
|
|
|
|||
|
|
@ -0,0 +1,437 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.apache.hadoop.hdfs.server.namenode.snapshot;
|
||||
|
||||
import static org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode.Loader.loadINodeDirectory;
|
||||
import static org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode.Loader.loadINodeReference;
|
||||
import static org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode.Loader.loadPermission;
|
||||
import static org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode.Loader.updateBlocksMap;
|
||||
import static org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode.Saver.buildINodeDirectory;
|
||||
import static org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode.Saver.buildINodeFile;
|
||||
import static org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode.Saver.buildINodeReference;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.OutputStream;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.Comparator;
|
||||
import java.util.HashMap;
|
||||
import java.util.Iterator;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
import org.apache.hadoop.fs.permission.PermissionStatus;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSDirectory;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.FileSummary;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.SnapshotDiffSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.SnapshotDiffSection.CreatedListEntry;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.SnapshotDiffSection.DiffEntry.Type;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.SnapshotSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INode;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeDirectoryAttributes;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeFile;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeFileAttributes;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeMap;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeReference;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeWithAdditionalFields;
|
||||
import org.apache.hadoop.hdfs.server.namenode.SaveNamespaceContext;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiff;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiffList;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot.Root;
|
||||
import org.apache.hadoop.hdfs.util.Diff.ListType;
|
||||
|
||||
import com.google.common.base.Preconditions;
|
||||
import com.google.protobuf.ByteString;
|
||||
|
||||
@InterfaceAudience.Private
|
||||
public class FSImageFormatPBSnapshot {
|
||||
/**
|
||||
* Loading snapshot related information from protobuf based FSImage
|
||||
*/
|
||||
public final static class Loader {
|
||||
private final FSNamesystem fsn;
|
||||
private final FSDirectory fsDir;
|
||||
private final FSImageFormatProtobuf.Loader parent;
|
||||
private final Map<Integer, Snapshot> snapshotMap;
|
||||
|
||||
|
||||
public Loader(FSNamesystem fsn, FSImageFormatProtobuf.Loader parent) {
|
||||
this.fsn = fsn;
|
||||
this.fsDir = fsn.getFSDirectory();
|
||||
this.snapshotMap = new HashMap<Integer, Snapshot>();
|
||||
this.parent = parent;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load the snapshots section from fsimage. Also convert snapshottable
|
||||
* directories into {@link INodeDirectorySnapshottable}.
|
||||
*
|
||||
*/
|
||||
public void loadSnapshotSection(InputStream in) throws IOException {
|
||||
SnapshotManager sm = fsn.getSnapshotManager();
|
||||
SnapshotSection section = SnapshotSection.parseDelimitedFrom(in);
|
||||
int snum = section.getNumSnapshots();
|
||||
sm.setNumSnapshots(snum);
|
||||
sm.setSnapshotCounter(section.getSnapshotCounter());
|
||||
for (long sdirId : section.getSnapshottableDirList()) {
|
||||
INodeDirectory dir = fsDir.getInode(sdirId).asDirectory();
|
||||
final INodeDirectorySnapshottable sdir;
|
||||
if (!dir.isSnapshottable()) {
|
||||
sdir = new INodeDirectorySnapshottable(dir);
|
||||
fsDir.addToInodeMap(sdir);
|
||||
} else {
|
||||
// dir is root, and admin set root to snapshottable before
|
||||
sdir = (INodeDirectorySnapshottable) dir;
|
||||
sdir.setSnapshotQuota(INodeDirectorySnapshottable.SNAPSHOT_LIMIT);
|
||||
}
|
||||
sm.addSnapshottable(sdir);
|
||||
}
|
||||
loadSnapshots(in, snum);
|
||||
}
|
||||
|
||||
private void loadSnapshots(InputStream in, int size) throws IOException {
|
||||
for (int i = 0; i < size; i++) {
|
||||
SnapshotSection.Snapshot pbs = SnapshotSection.Snapshot
|
||||
.parseDelimitedFrom(in);
|
||||
INodeDirectory root = loadINodeDirectory(pbs.getRoot(),
|
||||
parent.getStringTable());
|
||||
int sid = pbs.getSnapshotId();
|
||||
INodeDirectorySnapshottable parent = (INodeDirectorySnapshottable) fsDir
|
||||
.getInode(root.getId()).asDirectory();
|
||||
Snapshot snapshot = new Snapshot(sid, root, parent);
|
||||
// add the snapshot to parent, since we follow the sequence of
|
||||
// snapshotsByNames when saving, we do not need to sort when loading
|
||||
parent.addSnapshot(snapshot);
|
||||
snapshotMap.put(sid, snapshot);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Load the snapshot diff section from fsimage.
|
||||
*/
|
||||
public void loadSnapshotDiffSection(InputStream in) throws IOException {
|
||||
while (true) {
|
||||
SnapshotDiffSection.DiffEntry entry = SnapshotDiffSection.DiffEntry
|
||||
.parseDelimitedFrom(in);
|
||||
if (entry == null) {
|
||||
break;
|
||||
}
|
||||
long inodeId = entry.getInodeId();
|
||||
INode inode = fsDir.getInode(inodeId);
|
||||
SnapshotDiffSection.DiffEntry.Type type = entry.getType();
|
||||
switch (type) {
|
||||
case FILEDIFF:
|
||||
loadFileDiffList(in, inode.asFile(), entry.getNumOfDiff());
|
||||
break;
|
||||
case DIRECTORYDIFF:
|
||||
loadDirectoryDiffList(in, inode.asDirectory(), entry.getNumOfDiff());
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/** Load FileDiff list for a file with snapshot feature */
|
||||
private void loadFileDiffList(InputStream in, INodeFile file, int size)
|
||||
throws IOException {
|
||||
final FileDiffList diffs = new FileDiffList();
|
||||
for (int i = 0; i < size; i++) {
|
||||
SnapshotDiffSection.FileDiff pbf = SnapshotDiffSection.FileDiff
|
||||
.parseDelimitedFrom(in);
|
||||
INodeFileAttributes copy = null;
|
||||
if (pbf.hasSnapshotCopy()) {
|
||||
INodeSection.INodeFile fileInPb = pbf.getSnapshotCopy();
|
||||
PermissionStatus permission = loadPermission(
|
||||
fileInPb.getPermission(), parent.getStringTable());
|
||||
copy = new INodeFileAttributes.SnapshotCopy(pbf.getName()
|
||||
.toByteArray(), permission, fileInPb.getModificationTime(),
|
||||
fileInPb.getAccessTime(), (short) fileInPb.getReplication(),
|
||||
fileInPb.getPreferredBlockSize());
|
||||
}
|
||||
|
||||
FileDiff diff = new FileDiff(pbf.getSnapshotId(), copy, null,
|
||||
pbf.getFileSize());
|
||||
diffs.addFirst(diff);
|
||||
}
|
||||
file.addSnapshotFeature(diffs);
|
||||
}
|
||||
|
||||
/** Load the created list in a DirectoryDiff */
|
||||
private List<INode> loadCreatedList(InputStream in, INodeDirectory dir,
|
||||
int size) throws IOException {
|
||||
List<INode> clist = new ArrayList<INode>(size);
|
||||
for (long c = 0; c < size; c++) {
|
||||
CreatedListEntry entry = CreatedListEntry.parseDelimitedFrom(in);
|
||||
INode created = SnapshotFSImageFormat.loadCreated(entry.getName()
|
||||
.toByteArray(), dir);
|
||||
clist.add(created);
|
||||
}
|
||||
return clist;
|
||||
}
|
||||
|
||||
private void addToDeletedList(INode dnode, INodeDirectory parent) {
|
||||
dnode.setParent(parent);
|
||||
if (dnode.isFile()) {
|
||||
updateBlocksMap(dnode.asFile(), fsn.getBlockManager());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Load the deleted list in a DirectoryDiff
|
||||
* @param totalSize the total size of the deleted list
|
||||
* @param deletedNodes non-reference inodes in the deleted list. These
|
||||
* inodes' ids are directly recorded in protobuf
|
||||
*/
|
||||
private List<INode> loadDeletedList(InputStream in, INodeDirectory dir,
|
||||
int refNum, List<Long> deletedNodes) throws IOException {
|
||||
List<INode> dlist = new ArrayList<INode>(refNum + deletedNodes.size());
|
||||
// load non-reference inodes
|
||||
for (long deletedId : deletedNodes) {
|
||||
INode deleted = fsDir.getInode(deletedId);
|
||||
dlist.add(deleted);
|
||||
addToDeletedList(deleted, dir);
|
||||
}
|
||||
// load reference nodes in the deleted list
|
||||
for (int r = 0; r < refNum; r++) {
|
||||
INodeSection.INodeReference ref = INodeSection.INodeReference
|
||||
.parseDelimitedFrom(in);
|
||||
INodeReference refNode = loadINodeReference(ref, fsDir);
|
||||
dlist.add(refNode);
|
||||
addToDeletedList(refNode, dir);
|
||||
}
|
||||
Collections.sort(dlist, new Comparator<INode>() {
|
||||
@Override
|
||||
public int compare(INode n1, INode n2) {
|
||||
return n1.compareTo(n2.getLocalNameBytes());
|
||||
}
|
||||
});
|
||||
return dlist;
|
||||
}
|
||||
|
||||
/** Load DirectoryDiff list for a directory with snapshot feature */
|
||||
private void loadDirectoryDiffList(InputStream in, INodeDirectory dir,
|
||||
int size) throws IOException {
|
||||
if (!dir.isWithSnapshot()) {
|
||||
dir.addSnapshotFeature(null);
|
||||
}
|
||||
DirectoryDiffList diffs = dir.getDiffs();
|
||||
for (int i = 0; i < size; i++) {
|
||||
// load a directory diff
|
||||
SnapshotDiffSection.DirectoryDiff diffInPb = SnapshotDiffSection.
|
||||
DirectoryDiff.parseDelimitedFrom(in);
|
||||
final int snapshotId = diffInPb.getSnapshotId();
|
||||
final Snapshot snapshot = snapshotMap.get(snapshotId);
|
||||
int childrenSize = diffInPb.getChildrenSize();
|
||||
boolean useRoot = diffInPb.getIsSnapshotRoot();
|
||||
INodeDirectoryAttributes copy = null;
|
||||
if (useRoot) {
|
||||
copy = snapshot.getRoot();
|
||||
}else if (diffInPb.hasSnapshotCopy()) {
|
||||
INodeSection.INodeDirectory dirCopyInPb = diffInPb.getSnapshotCopy();
|
||||
final byte[] name = diffInPb.getName().toByteArray();
|
||||
PermissionStatus permission = loadPermission(dirCopyInPb
|
||||
.getPermission(), parent.getStringTable());
|
||||
long modTime = dirCopyInPb.getModificationTime();
|
||||
boolean noQuota = dirCopyInPb.getNsQuota() == -1
|
||||
&& dirCopyInPb.getDsQuota() == -1;
|
||||
copy = noQuota ? new INodeDirectoryAttributes.SnapshotCopy(name,
|
||||
permission, modTime)
|
||||
: new INodeDirectoryAttributes.CopyWithQuota(name, permission,
|
||||
modTime, dirCopyInPb.getNsQuota(), dirCopyInPb.getDsQuota());
|
||||
}
|
||||
// load created list
|
||||
List<INode> clist = loadCreatedList(in, dir,
|
||||
diffInPb.getCreatedListSize());
|
||||
// load deleted list
|
||||
List<INode> dlist = loadDeletedList(in, dir,
|
||||
diffInPb.getNumOfDeletedRef(), diffInPb.getDeletedINodeList());
|
||||
// create the directory diff
|
||||
DirectoryDiff diff = new DirectoryDiff(snapshotId, copy, null,
|
||||
childrenSize, clist, dlist, useRoot);
|
||||
diffs.addFirst(diff);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Saving snapshot related information to protobuf based FSImage
|
||||
*/
|
||||
public final static class Saver {
|
||||
private final FSNamesystem fsn;
|
||||
private final FileSummary.Builder headers;
|
||||
private final FSImageFormatProtobuf.Saver parent;
|
||||
private final SaveNamespaceContext context;
|
||||
|
||||
public Saver(FSImageFormatProtobuf.Saver parent,
|
||||
FileSummary.Builder headers, SaveNamespaceContext context, FSNamesystem fsn) {
|
||||
this.parent = parent;
|
||||
this.headers = headers;
|
||||
this.context = context;
|
||||
this.fsn = fsn;
|
||||
}
|
||||
|
||||
/**
|
||||
* save all the snapshottable directories and snapshots to fsimage
|
||||
*/
|
||||
public void serializeSnapshotSection(OutputStream out) throws IOException {
|
||||
SnapshotManager sm = fsn.getSnapshotManager();
|
||||
SnapshotSection.Builder b = SnapshotSection.newBuilder()
|
||||
.setSnapshotCounter(sm.getSnapshotCounter())
|
||||
.setNumSnapshots(sm.getNumSnapshots());
|
||||
|
||||
INodeDirectorySnapshottable[] snapshottables = sm.getSnapshottableDirs();
|
||||
for (INodeDirectorySnapshottable sdir : snapshottables) {
|
||||
b.addSnapshottableDir(sdir.getId());
|
||||
}
|
||||
b.build().writeDelimitedTo(out);
|
||||
int i = 0;
|
||||
for(INodeDirectorySnapshottable sdir : snapshottables) {
|
||||
for(Snapshot s : sdir.getSnapshotsByNames()) {
|
||||
Root sroot = s.getRoot();
|
||||
SnapshotSection.Snapshot.Builder sb = SnapshotSection.Snapshot
|
||||
.newBuilder().setSnapshotId(s.getId());
|
||||
INodeSection.INodeDirectory.Builder db = buildINodeDirectory(sroot,
|
||||
parent.getStringMap());
|
||||
INodeSection.INode r = INodeSection.INode.newBuilder()
|
||||
.setId(sroot.getId())
|
||||
.setType(INodeSection.INode.Type.DIRECTORY)
|
||||
.setName(ByteString.copyFrom(sroot.getLocalNameBytes()))
|
||||
.setDirectory(db).build();
|
||||
sb.setRoot(r).build().writeDelimitedTo(out);
|
||||
i++;
|
||||
if (i % FSImageFormatProtobuf.Saver.CHECK_CANCEL_INTERVAL == 0) {
|
||||
context.checkCancelled();
|
||||
}
|
||||
}
|
||||
}
|
||||
Preconditions.checkState(i == sm.getNumSnapshots());
|
||||
parent.commitSection(headers, FSImageFormatProtobuf.SectionName.SNAPSHOT);
|
||||
}
|
||||
|
||||
/**
|
||||
* save all the snapshot diff to fsimage
|
||||
*/
|
||||
public void serializeSnapshotDiffSection(OutputStream out)
|
||||
throws IOException {
|
||||
INodeMap inodesMap = fsn.getFSDirectory().getINodeMap();
|
||||
int i = 0;
|
||||
Iterator<INodeWithAdditionalFields> iter = inodesMap.getMapIterator();
|
||||
while (iter.hasNext()) {
|
||||
INodeWithAdditionalFields inode = iter.next();
|
||||
if (inode.isFile()) {
|
||||
serializeFileDiffList(inode.asFile(), out);
|
||||
} else if (inode.isDirectory()) {
|
||||
serializeDirDiffList(inode.asDirectory(), out);
|
||||
}
|
||||
++i;
|
||||
if (i % FSImageFormatProtobuf.Saver.CHECK_CANCEL_INTERVAL == 0) {
|
||||
context.checkCancelled();
|
||||
}
|
||||
}
|
||||
parent.commitSection(headers,
|
||||
FSImageFormatProtobuf.SectionName.SNAPSHOT_DIFF);
|
||||
}
|
||||
|
||||
private void serializeFileDiffList(INodeFile file, OutputStream out)
|
||||
throws IOException {
|
||||
FileWithSnapshotFeature sf = file.getFileWithSnapshotFeature();
|
||||
if (sf != null) {
|
||||
List<FileDiff> diffList = sf.getDiffs().asList();
|
||||
SnapshotDiffSection.DiffEntry entry = SnapshotDiffSection.DiffEntry
|
||||
.newBuilder().setInodeId(file.getId()).setType(Type.FILEDIFF)
|
||||
.setNumOfDiff(diffList.size()).build();
|
||||
entry.writeDelimitedTo(out);
|
||||
for (int i = diffList.size() - 1; i >= 0; i--) {
|
||||
FileDiff diff = diffList.get(i);
|
||||
SnapshotDiffSection.FileDiff.Builder fb = SnapshotDiffSection.FileDiff
|
||||
.newBuilder().setSnapshotId(diff.getSnapshotId())
|
||||
.setFileSize(diff.getFileSize());
|
||||
INodeFileAttributes copy = diff.snapshotINode;
|
||||
if (copy != null) {
|
||||
fb.setName(ByteString.copyFrom(copy.getLocalNameBytes()))
|
||||
.setSnapshotCopy(buildINodeFile(copy, parent.getStringMap()));
|
||||
}
|
||||
fb.build().writeDelimitedTo(out);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void saveCreatedDeletedList(List<INode> created,
|
||||
List<INodeReference> deletedRefs, OutputStream out) throws IOException {
|
||||
// local names of the created list member
|
||||
for (INode c : created) {
|
||||
SnapshotDiffSection.CreatedListEntry.newBuilder()
|
||||
.setName(ByteString.copyFrom(c.getLocalNameBytes())).build()
|
||||
.writeDelimitedTo(out);
|
||||
}
|
||||
// reference nodes in deleted list
|
||||
for (INodeReference ref : deletedRefs) {
|
||||
INodeSection.INodeReference.Builder rb = buildINodeReference(ref);
|
||||
rb.build().writeDelimitedTo(out);
|
||||
}
|
||||
}
|
||||
|
||||
private void serializeDirDiffList(INodeDirectory dir, OutputStream out)
|
||||
throws IOException {
|
||||
DirectoryWithSnapshotFeature sf = dir.getDirectoryWithSnapshotFeature();
|
||||
if (sf != null) {
|
||||
List<DirectoryDiff> diffList = sf.getDiffs().asList();
|
||||
SnapshotDiffSection.DiffEntry entry = SnapshotDiffSection.DiffEntry
|
||||
.newBuilder().setInodeId(dir.getId()).setType(Type.DIRECTORYDIFF)
|
||||
.setNumOfDiff(diffList.size()).build();
|
||||
entry.writeDelimitedTo(out);
|
||||
for (int i = diffList.size() - 1; i >= 0; i--) { // reverse order!
|
||||
DirectoryDiff diff = diffList.get(i);
|
||||
SnapshotDiffSection.DirectoryDiff.Builder db = SnapshotDiffSection.
|
||||
DirectoryDiff.newBuilder().setSnapshotId(diff.getSnapshotId())
|
||||
.setChildrenSize(diff.getChildrenSize())
|
||||
.setIsSnapshotRoot(diff.isSnapshotRoot());
|
||||
INodeDirectoryAttributes copy = diff.snapshotINode;
|
||||
if (!diff.isSnapshotRoot() && copy != null) {
|
||||
db.setName(ByteString.copyFrom(copy.getLocalNameBytes()))
|
||||
.setSnapshotCopy(
|
||||
buildINodeDirectory(copy, parent.getStringMap()));
|
||||
}
|
||||
// process created list and deleted list
|
||||
List<INode> created = diff.getChildrenDiff()
|
||||
.getList(ListType.CREATED);
|
||||
db.setCreatedListSize(created.size());
|
||||
List<INode> deleted = diff.getChildrenDiff().getList(ListType.DELETED);
|
||||
List<INodeReference> refs = new ArrayList<INodeReference>();
|
||||
for (INode d : deleted) {
|
||||
if (d.isReference()) {
|
||||
refs.add(d.asReference());
|
||||
} else {
|
||||
db.addDeletedINode(d.getId());
|
||||
}
|
||||
}
|
||||
db.setNumOfDeletedRef(refs.size());
|
||||
db.build().writeDelimitedTo(out);
|
||||
saveCreatedDeletedList(created, refs, out);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private FSImageFormatPBSnapshot(){}
|
||||
}
|
||||
|
|
@ -27,7 +27,6 @@
|
|||
|
||||
import org.apache.hadoop.hdfs.DFSUtil;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageFormat;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageFormat.Loader;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageSerialization;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INode;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeAttributes;
|
||||
|
|
@ -137,7 +136,7 @@ private static FileDiff loadFileDiff(FileDiff posterior, DataInput in,
|
|||
* @param parent The directory that the created list belongs to.
|
||||
* @return The created node.
|
||||
*/
|
||||
private static INode loadCreated(byte[] createdNodeName,
|
||||
public static INode loadCreated(byte[] createdNodeName,
|
||||
INodeDirectory parent) throws IOException {
|
||||
// the INode in the created list should be a reference to another INode
|
||||
// in posterior SnapshotDiffs or one of the current children
|
||||
|
|
@ -209,11 +208,13 @@ private static List<INode> loadDeletedList(INodeDirectory parent,
|
|||
|
||||
/**
|
||||
* Load snapshots and snapshotQuota for a Snapshottable directory.
|
||||
* @param snapshottableParent The snapshottable directory for loading.
|
||||
* @param numSnapshots The number of snapshots that the directory has.
|
||||
* @param in The {@link DataInput} instance to read.
|
||||
* @param loader The {@link Loader} instance that this loading procedure is
|
||||
* using.
|
||||
*
|
||||
* @param snapshottableParent
|
||||
* The snapshottable directory for loading.
|
||||
* @param numSnapshots
|
||||
* The number of snapshots that the directory has.
|
||||
* @param loader
|
||||
* The loader
|
||||
*/
|
||||
public static void loadSnapshotList(
|
||||
INodeDirectorySnapshottable snapshottableParent, int numSnapshots,
|
||||
|
|
@ -231,10 +232,13 @@ public static void loadSnapshotList(
|
|||
/**
|
||||
* Load the {@link SnapshotDiff} list for the INodeDirectoryWithSnapshot
|
||||
* directory.
|
||||
* @param dir The snapshottable directory for loading.
|
||||
* @param in The {@link DataInput} instance to read.
|
||||
* @param loader The {@link Loader} instance that this loading procedure is
|
||||
* using.
|
||||
*
|
||||
* @param dir
|
||||
* The snapshottable directory for loading.
|
||||
* @param in
|
||||
* The {@link DataInput} instance to read.
|
||||
* @param loader
|
||||
* The loader
|
||||
*/
|
||||
public static void loadDirectoryDiffList(INodeDirectory dir,
|
||||
DataInput in, FSImageFormat.Loader loader) throws IOException {
|
||||
|
|
|
|||
|
|
@ -270,6 +270,23 @@ public int getNumSnapshots() {
|
|||
return numSnapshots.get();
|
||||
}
|
||||
|
||||
void setNumSnapshots(int num) {
|
||||
numSnapshots.set(num);
|
||||
}
|
||||
|
||||
int getSnapshotCounter() {
|
||||
return snapshotCounter;
|
||||
}
|
||||
|
||||
void setSnapshotCounter(int counter) {
|
||||
snapshotCounter = counter;
|
||||
}
|
||||
|
||||
INodeDirectorySnapshottable[] getSnapshottableDirs() {
|
||||
return snapshottables.values().toArray(
|
||||
new INodeDirectorySnapshottable[snapshottables.size()]);
|
||||
}
|
||||
|
||||
/**
|
||||
* Write {@link #snapshotCounter}, {@link #numSnapshots},
|
||||
* and all snapshots to the DataOutput.
|
||||
|
|
|
|||
|
|
@ -0,0 +1,160 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.apache.hadoop.hdfs.tools.offlineImageViewer;
|
||||
|
||||
import java.io.BufferedInputStream;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.PrintWriter;
|
||||
import java.io.RandomAccessFile;
|
||||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockProto;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf.SectionName;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageUtil;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.FileSummary;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection;
|
||||
import org.apache.hadoop.io.IOUtils;
|
||||
|
||||
import com.google.common.base.Preconditions;
|
||||
import com.google.common.io.LimitInputStream;
|
||||
|
||||
/**
|
||||
* This is the tool for analyzing file sizes in the namespace image. In order to
|
||||
* run the tool one should define a range of integers <tt>[0, maxSize]</tt> by
|
||||
* specifying <tt>maxSize</tt> and a <tt>step</tt>. The range of integers is
|
||||
* divided into segments of size <tt>step</tt>:
|
||||
* <tt>[0, s<sub>1</sub>, ..., s<sub>n-1</sub>, maxSize]</tt>, and the visitor
|
||||
* calculates how many files in the system fall into each segment
|
||||
* <tt>[s<sub>i-1</sub>, s<sub>i</sub>)</tt>. Note that files larger than
|
||||
* <tt>maxSize</tt> always fall into the very last segment.
|
||||
*
|
||||
* <h3>Input.</h3>
|
||||
* <ul>
|
||||
* <li><tt>filename</tt> specifies the location of the image file;</li>
|
||||
* <li><tt>maxSize</tt> determines the range <tt>[0, maxSize]</tt> of files
|
||||
* sizes considered by the visitor;</li>
|
||||
* <li><tt>step</tt> the range is divided into segments of size step.</li>
|
||||
* </ul>
|
||||
*
|
||||
* <h3>Output.</h3> The output file is formatted as a tab separated two column
|
||||
* table: Size and NumFiles. Where Size represents the start of the segment, and
|
||||
* numFiles is the number of files form the image which size falls in this
|
||||
* segment.
|
||||
*
|
||||
*/
|
||||
final class FileDistributionCalculator {
|
||||
private final static long MAX_SIZE_DEFAULT = 0x2000000000L; // 1/8 TB = 2^37
|
||||
private final static int INTERVAL_DEFAULT = 0x200000; // 2 MB = 2^21
|
||||
|
||||
private final Configuration conf;
|
||||
private final long maxSize;
|
||||
private final int steps;
|
||||
private final PrintWriter out;
|
||||
|
||||
private int[] distribution;
|
||||
private int totalFiles;
|
||||
private int totalDirectories;
|
||||
private int totalBlocks;
|
||||
private long totalSpace;
|
||||
private long maxFileSize;
|
||||
|
||||
FileDistributionCalculator(Configuration conf, long maxSize, int steps,
|
||||
PrintWriter out) {
|
||||
this.conf = conf;
|
||||
this.maxSize = maxSize == 0 ? MAX_SIZE_DEFAULT : maxSize;
|
||||
this.steps = steps == 0 ? INTERVAL_DEFAULT : steps;
|
||||
this.out = out;
|
||||
long numIntervals = this.maxSize / this.steps;
|
||||
this.distribution = new int[1 + (int) (numIntervals)];
|
||||
Preconditions.checkState(numIntervals < Integer.MAX_VALUE,
|
||||
"Too many distribution intervals");
|
||||
}
|
||||
|
||||
void visit(RandomAccessFile file) throws IOException {
|
||||
if (!FSImageUtil.checkFileFormat(file)) {
|
||||
throw new IOException("Unrecognized FSImage");
|
||||
}
|
||||
|
||||
FileSummary summary = FSImageUtil.loadSummary(file);
|
||||
FileInputStream in = null;
|
||||
try {
|
||||
in = new FileInputStream(file.getFD());
|
||||
for (FileSummary.Section s : summary.getSectionsList()) {
|
||||
if (SectionName.fromString(s.getName()) != SectionName.INODE) {
|
||||
continue;
|
||||
}
|
||||
|
||||
in.getChannel().position(s.getOffset());
|
||||
InputStream is = FSImageUtil.wrapInputStreamForCompression(conf,
|
||||
summary.getCodec(), new BufferedInputStream(new LimitInputStream(
|
||||
in, s.getLength())));
|
||||
run(is);
|
||||
output();
|
||||
}
|
||||
} finally {
|
||||
IOUtils.cleanup(null, in);
|
||||
}
|
||||
}
|
||||
|
||||
private void run(InputStream in) throws IOException {
|
||||
INodeSection s = INodeSection.parseDelimitedFrom(in);
|
||||
for (int i = 0; i < s.getNumInodes(); ++i) {
|
||||
INodeSection.INode p = INodeSection.INode.parseDelimitedFrom(in);
|
||||
if (p.getType() == INodeSection.INode.Type.FILE) {
|
||||
++totalFiles;
|
||||
INodeSection.INodeFile f = p.getFile();
|
||||
totalBlocks += f.getBlocksCount();
|
||||
long fileSize = 0;
|
||||
for (BlockProto b : f.getBlocksList()) {
|
||||
fileSize += b.getNumBytes() * f.getReplication();
|
||||
}
|
||||
maxFileSize = Math.max(fileSize, maxFileSize);
|
||||
totalSpace += fileSize;
|
||||
|
||||
int bucket = fileSize > maxSize ? distribution.length - 1 : (int) Math
|
||||
.ceil((double)fileSize / steps);
|
||||
++distribution[bucket];
|
||||
|
||||
} else if (p.getType() == INodeSection.INode.Type.DIRECTORY) {
|
||||
++totalDirectories;
|
||||
}
|
||||
|
||||
if (i % (1 << 20) == 0) {
|
||||
out.println("Processed " + i + " inodes.");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void output() {
|
||||
// write the distribution into the output file
|
||||
out.print("Size\tNumFiles\n");
|
||||
for (int i = 0; i < distribution.length; i++) {
|
||||
if (distribution[i] != 0) {
|
||||
out.print(((long) i * steps) + "\t" + distribution[i]);
|
||||
out.print('\n');
|
||||
}
|
||||
}
|
||||
out.print("totalFiles = " + totalFiles + "\n");
|
||||
out.print("totalDirectories = " + totalDirectories + "\n");
|
||||
out.print("totalBlocks = " + totalBlocks + "\n");
|
||||
out.print("totalSpace = " + totalSpace + "\n");
|
||||
out.print("maxFileSize = " + maxFileSize + "\n");
|
||||
}
|
||||
}
|
||||
|
|
@ -127,7 +127,7 @@ class ImageLoaderCurrent implements ImageLoader {
|
|||
new SimpleDateFormat("yyyy-MM-dd HH:mm");
|
||||
private static int[] versions = { -16, -17, -18, -19, -20, -21, -22, -23,
|
||||
-24, -25, -26, -27, -28, -30, -31, -32, -33, -34, -35, -36, -37, -38, -39,
|
||||
-40, -41, -42, -43, -44, -45, -46, -47, -48, -49, -50, -51 };
|
||||
-40, -41, -42, -43, -44, -45, -46, -47, -48, -49, -50, -51, -52 };
|
||||
private int imageVersion = 0;
|
||||
|
||||
private final Map<Long, Boolean> subtreeMap = new HashMap<Long, Boolean>();
|
||||
|
|
|
|||
|
|
@ -0,0 +1,233 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.apache.hadoop.hdfs.tools.offlineImageViewer;
|
||||
|
||||
import java.io.BufferedInputStream;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.PrintWriter;
|
||||
import java.io.RandomAccessFile;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.Comparator;
|
||||
import java.util.HashMap;
|
||||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.permission.PermissionStatus;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockProto;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf.SectionName;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageUtil;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.FileSummary;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeDirectorySection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.INode;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.INodeDirectory;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.INodeFile;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.INodeSymlink;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.StringTableSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.INodeId;
|
||||
import org.apache.hadoop.io.IOUtils;
|
||||
|
||||
import com.google.common.collect.Lists;
|
||||
import com.google.common.collect.Maps;
|
||||
import com.google.common.io.LimitInputStream;
|
||||
|
||||
/**
|
||||
* This is the tool for analyzing file sizes in the namespace image. In order to
|
||||
* run the tool one should define a range of integers <tt>[0, maxSize]</tt> by
|
||||
* specifying <tt>maxSize</tt> and a <tt>step</tt>. The range of integers is
|
||||
* divided into segments of size <tt>step</tt>:
|
||||
* <tt>[0, s<sub>1</sub>, ..., s<sub>n-1</sub>, maxSize]</tt>, and the visitor
|
||||
* calculates how many files in the system fall into each segment
|
||||
* <tt>[s<sub>i-1</sub>, s<sub>i</sub>)</tt>. Note that files larger than
|
||||
* <tt>maxSize</tt> always fall into the very last segment.
|
||||
*
|
||||
* <h3>Input.</h3>
|
||||
* <ul>
|
||||
* <li><tt>filename</tt> specifies the location of the image file;</li>
|
||||
* <li><tt>maxSize</tt> determines the range <tt>[0, maxSize]</tt> of files
|
||||
* sizes considered by the visitor;</li>
|
||||
* <li><tt>step</tt> the range is divided into segments of size step.</li>
|
||||
* </ul>
|
||||
*
|
||||
* <h3>Output.</h3> The output file is formatted as a tab separated two column
|
||||
* table: Size and NumFiles. Where Size represents the start of the segment, and
|
||||
* numFiles is the number of files form the image which size falls in this
|
||||
* segment.
|
||||
*
|
||||
*/
|
||||
final class LsrPBImage {
|
||||
private final Configuration conf;
|
||||
private final PrintWriter out;
|
||||
private String[] stringTable;
|
||||
private HashMap<Long, INodeSection.INode> inodes = Maps.newHashMap();
|
||||
private HashMap<Long, long[]> dirmap = Maps.newHashMap();
|
||||
|
||||
public LsrPBImage(Configuration conf, PrintWriter out) {
|
||||
this.conf = conf;
|
||||
this.out = out;
|
||||
}
|
||||
|
||||
public void visit(RandomAccessFile file) throws IOException {
|
||||
if (!FSImageUtil.checkFileFormat(file)) {
|
||||
throw new IOException("Unrecognized FSImage");
|
||||
}
|
||||
|
||||
FileSummary summary = FSImageUtil.loadSummary(file);
|
||||
FileInputStream fin = null;
|
||||
try {
|
||||
fin = new FileInputStream(file.getFD());
|
||||
|
||||
ArrayList<FileSummary.Section> sections = Lists.newArrayList(summary
|
||||
.getSectionsList());
|
||||
Collections.sort(sections, new Comparator<FileSummary.Section>() {
|
||||
@Override
|
||||
public int compare(FileSummary.Section s1, FileSummary.Section s2) {
|
||||
SectionName n1 = SectionName.fromString(s1.getName());
|
||||
SectionName n2 = SectionName.fromString(s2.getName());
|
||||
if (n1 == null) {
|
||||
return n2 == null ? 0 : -1;
|
||||
} else if (n2 == null) {
|
||||
return -1;
|
||||
} else {
|
||||
return n1.ordinal() - n2.ordinal();
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
for (FileSummary.Section s : sections) {
|
||||
fin.getChannel().position(s.getOffset());
|
||||
InputStream is = FSImageUtil.wrapInputStreamForCompression(conf,
|
||||
summary.getCodec(), new BufferedInputStream(new LimitInputStream(
|
||||
fin, s.getLength())));
|
||||
|
||||
switch (SectionName.fromString(s.getName())) {
|
||||
case STRING_TABLE:
|
||||
loadStringTable(is);
|
||||
break;
|
||||
case INODE:
|
||||
loadINodeSection(is);
|
||||
break;
|
||||
case INODE_DIR:
|
||||
loadINodeDirectorySection(is);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
list("", INodeId.ROOT_INODE_ID);
|
||||
} finally {
|
||||
IOUtils.cleanup(null, fin);
|
||||
}
|
||||
}
|
||||
|
||||
private void list(String parent, long dirId) {
|
||||
INode inode = inodes.get(dirId);
|
||||
listINode(parent.isEmpty() ? "/" : parent, inode);
|
||||
long[] children = dirmap.get(dirId);
|
||||
if (children == null) {
|
||||
return;
|
||||
}
|
||||
String newParent = parent + inode.getName().toStringUtf8() + "/";
|
||||
for (long cid : children) {
|
||||
list(newParent, cid);
|
||||
}
|
||||
}
|
||||
|
||||
private void listINode(String parent, INode inode) {
|
||||
switch (inode.getType()) {
|
||||
case FILE: {
|
||||
INodeFile f = inode.getFile();
|
||||
PermissionStatus p = FSImageFormatPBINode.Loader.loadPermission(
|
||||
f.getPermission(), stringTable);
|
||||
out.print(String.format("-%s %2s %8s %10s %10s %10d %s%s\n", p
|
||||
.getPermission().toString(), f.getReplication(), p.getUserName(), p
|
||||
.getGroupName(), f.getModificationTime(), getFileSize(f), parent,
|
||||
inode.getName().toStringUtf8()));
|
||||
}
|
||||
break;
|
||||
case DIRECTORY: {
|
||||
INodeDirectory d = inode.getDirectory();
|
||||
PermissionStatus p = FSImageFormatPBINode.Loader.loadPermission(
|
||||
d.getPermission(), stringTable);
|
||||
out.print(String.format("d%s - %8s %10s %10s %10d %s%s\n", p
|
||||
.getPermission().toString(), p.getUserName(), p.getGroupName(), d
|
||||
.getModificationTime(), 0, parent, inode.getName().toStringUtf8()));
|
||||
}
|
||||
break;
|
||||
case SYMLINK: {
|
||||
INodeSymlink d = inode.getSymlink();
|
||||
PermissionStatus p = FSImageFormatPBINode.Loader.loadPermission(
|
||||
d.getPermission(), stringTable);
|
||||
out.print(String.format("-%s - %8s %10s %10s %10d %s%s -> %s\n", p
|
||||
.getPermission().toString(), p.getUserName(), p.getGroupName(), 0, 0,
|
||||
parent, inode.getName().toStringUtf8(), d.getTarget().toStringUtf8()));
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
private long getFileSize(INodeFile f) {
|
||||
long size = 0;
|
||||
for (BlockProto p : f.getBlocksList()) {
|
||||
size += p.getNumBytes();
|
||||
}
|
||||
return size;
|
||||
}
|
||||
|
||||
private void loadINodeDirectorySection(InputStream in) throws IOException {
|
||||
while (true) {
|
||||
INodeDirectorySection.DirEntry e = INodeDirectorySection.DirEntry
|
||||
.parseDelimitedFrom(in);
|
||||
// note that in is a LimitedInputStream
|
||||
if (e == null) {
|
||||
break;
|
||||
}
|
||||
long[] l = new long[e.getChildrenCount()];
|
||||
for (int i = 0; i < l.length; ++i) {
|
||||
l[i] = e.getChildren(i);
|
||||
}
|
||||
dirmap.put(e.getParent(), l);
|
||||
for (int i = 0; i < e.getNumOfRef(); i++) {
|
||||
INodeSection.INodeReference.parseDelimitedFrom(in);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void loadINodeSection(InputStream in) throws IOException {
|
||||
INodeSection s = INodeSection.parseDelimitedFrom(in);
|
||||
for (int i = 0; i < s.getNumInodes(); ++i) {
|
||||
INodeSection.INode p = INodeSection.INode.parseDelimitedFrom(in);
|
||||
inodes.put(p.getId(), p);
|
||||
}
|
||||
}
|
||||
|
||||
private void loadStringTable(InputStream in) throws IOException {
|
||||
StringTableSection s = StringTableSection.parseDelimitedFrom(in);
|
||||
stringTable = new String[s.getNumEntry() + 1];
|
||||
for (int i = 0; i < s.getNumEntry(); ++i) {
|
||||
StringTableSection.Entry e = StringTableSection.Entry
|
||||
.parseDelimitedFrom(in);
|
||||
stringTable[e.getId()] = e.getStr();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,178 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.apache.hadoop.hdfs.tools.offlineImageViewer;
|
||||
|
||||
import java.io.EOFException;
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.io.PrintWriter;
|
||||
import java.io.RandomAccessFile;
|
||||
|
||||
import org.apache.commons.cli.CommandLine;
|
||||
import org.apache.commons.cli.CommandLineParser;
|
||||
import org.apache.commons.cli.OptionBuilder;
|
||||
import org.apache.commons.cli.Options;
|
||||
import org.apache.commons.cli.ParseException;
|
||||
import org.apache.commons.cli.PosixParser;
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
|
||||
/**
|
||||
* OfflineImageViewer to dump the contents of an Hadoop image file to XML or the
|
||||
* console. Main entry point into utility, either via the command line or
|
||||
* programatically.
|
||||
*/
|
||||
@InterfaceAudience.Private
|
||||
public class OfflineImageViewerPB {
|
||||
public static final Log LOG = LogFactory.getLog(OfflineImageViewerPB.class);
|
||||
|
||||
private final static String usage = "Usage: bin/hdfs oiv [OPTIONS] -i INPUTFILE -o OUTPUTFILE\n"
|
||||
+ "Offline Image Viewer\n"
|
||||
+ "View a Hadoop fsimage INPUTFILE using the specified PROCESSOR,\n"
|
||||
+ "saving the results in OUTPUTFILE.\n"
|
||||
+ "\n"
|
||||
+ "The oiv utility will attempt to parse correctly formed image files\n"
|
||||
+ "and will abort fail with mal-formed image files.\n"
|
||||
+ "\n"
|
||||
+ "The tool works offline and does not require a running cluster in\n"
|
||||
+ "order to process an image file.\n"
|
||||
+ "\n"
|
||||
+ "The following image processors are available:\n"
|
||||
+ " * Ls: The default image processor generates an lsr-style listing\n"
|
||||
+ " of the files in the namespace, with the same fields in the same\n"
|
||||
+ " order. Note that in order to correctly determine file sizes,\n"
|
||||
+ " this formatter cannot skip blocks and will override the\n"
|
||||
+ " -skipBlocks option.\n"
|
||||
+ " * XML: This processor creates an XML document with all elements of\n"
|
||||
+ " the fsimage enumerated, suitable for further analysis by XML\n"
|
||||
+ " tools.\n"
|
||||
+ " * FileDistribution: This processor analyzes the file size\n"
|
||||
+ " distribution in the image.\n"
|
||||
+ " -maxSize specifies the range [0, maxSize] of file sizes to be\n"
|
||||
+ " analyzed (128GB by default).\n"
|
||||
+ " -step defines the granularity of the distribution. (2MB by default)\n"
|
||||
+ "\n"
|
||||
+ "Required command line arguments:\n"
|
||||
+ "-i,--inputFile <arg> FSImage file to process.\n"
|
||||
+ "-o,--outputFile <arg> Name of output file. If the specified\n"
|
||||
+ " file exists, it will be overwritten.\n"
|
||||
+ "\n"
|
||||
+ "Optional command line arguments:\n"
|
||||
+ "-p,--processor <arg> Select which type of processor to apply\n"
|
||||
+ " against image file."
|
||||
+ " (Ls|XML|FileDistribution).\n"
|
||||
+ "-h,--help Display usage information and exit\n";
|
||||
|
||||
/**
|
||||
* Build command-line options and descriptions
|
||||
*/
|
||||
private static Options buildOptions() {
|
||||
Options options = new Options();
|
||||
|
||||
// Build in/output file arguments, which are required, but there is no
|
||||
// addOption method that can specify this
|
||||
OptionBuilder.isRequired();
|
||||
OptionBuilder.hasArgs();
|
||||
OptionBuilder.withLongOpt("outputFile");
|
||||
options.addOption(OptionBuilder.create("o"));
|
||||
|
||||
OptionBuilder.isRequired();
|
||||
OptionBuilder.hasArgs();
|
||||
OptionBuilder.withLongOpt("inputFile");
|
||||
options.addOption(OptionBuilder.create("i"));
|
||||
|
||||
options.addOption("p", "processor", true, "");
|
||||
options.addOption("h", "help", false, "");
|
||||
options.addOption("skipBlocks", false, "");
|
||||
options.addOption("printToScreen", false, "");
|
||||
options.addOption("delimiter", true, "");
|
||||
|
||||
return options;
|
||||
}
|
||||
|
||||
/**
|
||||
* Entry point to command-line-driven operation. User may specify options and
|
||||
* start fsimage viewer from the command line. Program will process image file
|
||||
* and exit cleanly or, if an error is encountered, inform user and exit.
|
||||
*
|
||||
* @param args
|
||||
* Command line options
|
||||
* @throws IOException
|
||||
*/
|
||||
public static void main(String[] args) throws IOException {
|
||||
Options options = buildOptions();
|
||||
if (args.length == 0) {
|
||||
printUsage();
|
||||
return;
|
||||
}
|
||||
|
||||
CommandLineParser parser = new PosixParser();
|
||||
CommandLine cmd;
|
||||
|
||||
try {
|
||||
cmd = parser.parse(options, args);
|
||||
} catch (ParseException e) {
|
||||
System.out.println("Error parsing command-line options: ");
|
||||
printUsage();
|
||||
return;
|
||||
}
|
||||
|
||||
if (cmd.hasOption("h")) { // print help and exit
|
||||
printUsage();
|
||||
return;
|
||||
}
|
||||
|
||||
String inputFile = cmd.getOptionValue("i");
|
||||
String processor = cmd.getOptionValue("p", "Ls");
|
||||
String outputFile = cmd.getOptionValue("o");
|
||||
|
||||
PrintWriter out = (outputFile == null || outputFile.equals("-")) ? new PrintWriter(
|
||||
System.out) : new PrintWriter(new File(outputFile));
|
||||
|
||||
Configuration conf = new Configuration();
|
||||
try {
|
||||
if (processor.equals("FileDistribution")) {
|
||||
long maxSize = Long.parseLong(cmd.getOptionValue("maxSize", "0"));
|
||||
int step = Integer.parseInt(cmd.getOptionValue("step", "0"));
|
||||
new FileDistributionCalculator(conf, maxSize, step, out)
|
||||
.visit(new RandomAccessFile(inputFile, "r"));
|
||||
} else if (processor.equals("XML")) {
|
||||
new PBImageXmlWriter(conf, out).visit(new RandomAccessFile(inputFile,
|
||||
"r"));
|
||||
} else {
|
||||
new LsrPBImage(conf, out).visit(new RandomAccessFile(inputFile, "r"));
|
||||
}
|
||||
} catch (EOFException e) {
|
||||
System.err.println("Input file ended unexpectedly. Exiting");
|
||||
} catch (IOException e) {
|
||||
System.err.println("Encountered exception. Exiting: " + e.getMessage());
|
||||
} finally {
|
||||
out.close();
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Print application usage instructions.
|
||||
*/
|
||||
private static void printUsage() {
|
||||
System.out.println(usage);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,415 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.apache.hadoop.hdfs.tools.offlineImageViewer;
|
||||
|
||||
import java.io.BufferedInputStream;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.PrintWriter;
|
||||
import java.io.RandomAccessFile;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.Comparator;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CacheDirectiveInfoExpirationProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CacheDirectiveInfoProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CachePoolInfoProto;
|
||||
import org.apache.hadoop.hdfs.protocol.proto.HdfsProtos.BlockProto;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageFormatPBINode;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageFormatProtobuf.SectionName;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageUtil;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.CacheManagerSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.FileSummary;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.FilesUnderConstructionSection.FileUnderConstructionEntry;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeDirectorySection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.INodeDirectory;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.INodeSection.INodeSymlink;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.NameSystemSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.SecretManagerSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.SnapshotDiffSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.SnapshotSection;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FsImageProto.StringTableSection;
|
||||
import org.apache.hadoop.io.IOUtils;
|
||||
|
||||
import com.google.common.collect.Lists;
|
||||
import com.google.common.io.LimitInputStream;
|
||||
|
||||
/**
|
||||
* This is the tool for analyzing file sizes in the namespace image. In order to
|
||||
* run the tool one should define a range of integers <tt>[0, maxSize]</tt> by
|
||||
* specifying <tt>maxSize</tt> and a <tt>step</tt>. The range of integers is
|
||||
* divided into segments of size <tt>step</tt>:
|
||||
* <tt>[0, s<sub>1</sub>, ..., s<sub>n-1</sub>, maxSize]</tt>, and the visitor
|
||||
* calculates how many files in the system fall into each segment
|
||||
* <tt>[s<sub>i-1</sub>, s<sub>i</sub>)</tt>. Note that files larger than
|
||||
* <tt>maxSize</tt> always fall into the very last segment.
|
||||
*
|
||||
* <h3>Input.</h3>
|
||||
* <ul>
|
||||
* <li><tt>filename</tt> specifies the location of the image file;</li>
|
||||
* <li><tt>maxSize</tt> determines the range <tt>[0, maxSize]</tt> of files
|
||||
* sizes considered by the visitor;</li>
|
||||
* <li><tt>step</tt> the range is divided into segments of size step.</li>
|
||||
* </ul>
|
||||
*
|
||||
* <h3>Output.</h3> The output file is formatted as a tab separated two column
|
||||
* table: Size and NumFiles. Where Size represents the start of the segment, and
|
||||
* numFiles is the number of files form the image which size falls in this
|
||||
* segment.
|
||||
*
|
||||
*/
|
||||
@InterfaceAudience.Private
|
||||
public final class PBImageXmlWriter {
|
||||
private final Configuration conf;
|
||||
private final PrintWriter out;
|
||||
private String[] stringTable;
|
||||
|
||||
public PBImageXmlWriter(Configuration conf, PrintWriter out) {
|
||||
this.conf = conf;
|
||||
this.out = out;
|
||||
}
|
||||
|
||||
public void visit(RandomAccessFile file) throws IOException {
|
||||
if (!FSImageUtil.checkFileFormat(file)) {
|
||||
throw new IOException("Unrecognized FSImage");
|
||||
}
|
||||
|
||||
FileSummary summary = FSImageUtil.loadSummary(file);
|
||||
FileInputStream fin = null;
|
||||
try {
|
||||
fin = new FileInputStream(file.getFD());
|
||||
out.print("<?xml version=\"1.0\"?>\n");
|
||||
|
||||
ArrayList<FileSummary.Section> sections = Lists.newArrayList(summary
|
||||
.getSectionsList());
|
||||
Collections.sort(sections, new Comparator<FileSummary.Section>() {
|
||||
@Override
|
||||
public int compare(FileSummary.Section s1, FileSummary.Section s2) {
|
||||
SectionName n1 = SectionName.fromString(s1.getName());
|
||||
SectionName n2 = SectionName.fromString(s2.getName());
|
||||
if (n1 == null) {
|
||||
return n2 == null ? 0 : -1;
|
||||
} else if (n2 == null) {
|
||||
return -1;
|
||||
} else {
|
||||
return n1.ordinal() - n2.ordinal();
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
for (FileSummary.Section s : sections) {
|
||||
fin.getChannel().position(s.getOffset());
|
||||
InputStream is = FSImageUtil.wrapInputStreamForCompression(conf,
|
||||
summary.getCodec(), new BufferedInputStream(new LimitInputStream(
|
||||
fin, s.getLength())));
|
||||
|
||||
switch (SectionName.fromString(s.getName())) {
|
||||
case NS_INFO:
|
||||
dumpNameSection(is);
|
||||
break;
|
||||
case STRING_TABLE:
|
||||
loadStringTable(is);
|
||||
break;
|
||||
case INODE:
|
||||
dumpINodeSection(is);
|
||||
break;
|
||||
case INODE_DIR:
|
||||
dumpINodeDirectorySection(is);
|
||||
break;
|
||||
case FILES_UNDERCONSTRUCTION:
|
||||
dumpFileUnderConstructionSection(is);
|
||||
break;
|
||||
case SNAPSHOT:
|
||||
dumpSnapshotSection(is);
|
||||
break;
|
||||
case SNAPSHOT_DIFF:
|
||||
dumpSnapshotDiffSection(is);
|
||||
break;
|
||||
case SECRET_MANAGER:
|
||||
dumpSecretManagerSection(is);
|
||||
break;
|
||||
case CACHE_MANAGER:
|
||||
dumpCacheManagerSection(is);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
} finally {
|
||||
IOUtils.cleanup(null, fin);
|
||||
}
|
||||
}
|
||||
|
||||
private void dumpCacheManagerSection(InputStream is) throws IOException {
|
||||
out.print("<CacheManagerSection>");
|
||||
CacheManagerSection s = CacheManagerSection.parseDelimitedFrom(is);
|
||||
o("nextDirectiveId", s.getNextDirectiveId());
|
||||
for (int i = 0; i < s.getNumPools(); ++i) {
|
||||
CachePoolInfoProto p = CachePoolInfoProto.parseDelimitedFrom(is);
|
||||
out.print("<pool>");
|
||||
o("poolName", p.getPoolName()).o("ownerName", p.getOwnerName())
|
||||
.o("groupName", p.getGroupName()).o("mode", p.getMode())
|
||||
.o("limit", p.getLimit())
|
||||
.o("maxRelativeExpiry", p.getMaxRelativeExpiry());
|
||||
out.print("</pool>\n");
|
||||
}
|
||||
for (int i = 0; i < s.getNumPools(); ++i) {
|
||||
CacheDirectiveInfoProto p = CacheDirectiveInfoProto
|
||||
.parseDelimitedFrom(is);
|
||||
out.print("<directive>");
|
||||
o("id", p.getId()).o("path", p.getPath())
|
||||
.o("replication", p.getReplication()).o("pool", p.getPool());
|
||||
out.print("<expiration>");
|
||||
CacheDirectiveInfoExpirationProto e = p.getExpiration();
|
||||
o("millis", e.getMillis()).o("relatilve", e.getIsRelative());
|
||||
out.print("</expiration>\n");
|
||||
out.print("</directive>\n");
|
||||
}
|
||||
out.print("</CacheManagerSection>\n");
|
||||
|
||||
}
|
||||
|
||||
private void dumpFileUnderConstructionSection(InputStream in)
|
||||
throws IOException {
|
||||
out.print("<FileUnderConstructionSection>");
|
||||
while (true) {
|
||||
FileUnderConstructionEntry e = FileUnderConstructionEntry
|
||||
.parseDelimitedFrom(in);
|
||||
if (e == null) {
|
||||
break;
|
||||
}
|
||||
out.print("<inode>");
|
||||
o("id", e.getInodeId()).o("path", e.getFullPath());
|
||||
out.print("</inode>\n");
|
||||
}
|
||||
out.print("</FileUnderConstructionSection>\n");
|
||||
}
|
||||
|
||||
private void dumpINodeDirectory(INodeDirectory d) {
|
||||
o("mtime", d.getModificationTime()).o("permission",
|
||||
dumpPermission(d.getPermission()));
|
||||
|
||||
if (d.hasDsQuota() && d.hasNsQuota()) {
|
||||
o("nsquota", d.getNsQuota()).o("dsquota", d.getDsQuota());
|
||||
}
|
||||
}
|
||||
|
||||
private void dumpINodeDirectorySection(InputStream in) throws IOException {
|
||||
out.print("<INodeDirectorySection>");
|
||||
while (true) {
|
||||
INodeDirectorySection.DirEntry e = INodeDirectorySection.DirEntry
|
||||
.parseDelimitedFrom(in);
|
||||
// note that in is a LimitedInputStream
|
||||
if (e == null) {
|
||||
break;
|
||||
}
|
||||
out.print("<directory>");
|
||||
o("parent", e.getParent());
|
||||
for (long id : e.getChildrenList()) {
|
||||
o("inode", id);
|
||||
}
|
||||
for (int i = 0; i < e.getNumOfRef(); i++) {
|
||||
INodeSection.INodeReference r = INodeSection.INodeReference
|
||||
.parseDelimitedFrom(in);
|
||||
dumpINodeReference(r);
|
||||
|
||||
}
|
||||
out.print("</directory>\n");
|
||||
}
|
||||
out.print("</INodeDirectorySection>\n");
|
||||
}
|
||||
|
||||
private void dumpINodeReference(INodeSection.INodeReference r) {
|
||||
out.print("<ref>");
|
||||
o("referredId", r.getReferredId()).o("name", r.getName().toStringUtf8())
|
||||
.o("dstSnapshotId", r.getDstSnapshotId())
|
||||
.o("lastSnapshotId", r.getLastSnapshotId());
|
||||
out.print("</ref>\n");
|
||||
}
|
||||
|
||||
private void dumpINodeFile(INodeSection.INodeFile f) {
|
||||
o("replication", f.getReplication()).o("mtime", f.getModificationTime())
|
||||
.o("atime", f.getAccessTime())
|
||||
.o("perferredBlockSize", f.getPreferredBlockSize())
|
||||
.o("permission", dumpPermission(f.getPermission()));
|
||||
|
||||
if (f.getBlocksCount() > 0) {
|
||||
out.print("<blocks>");
|
||||
for (BlockProto b : f.getBlocksList()) {
|
||||
out.print("<block>");
|
||||
o("id", b.getBlockId()).o("genstamp", b.getGenStamp()).o("numBytes",
|
||||
b.getNumBytes());
|
||||
out.print("</block>\n");
|
||||
}
|
||||
out.print("</blocks>\n");
|
||||
}
|
||||
|
||||
if (f.hasFileUC()) {
|
||||
INodeSection.FileUnderConstructionFeature u = f.getFileUC();
|
||||
out.print("<file-under-construction>");
|
||||
o("clientName", u.getClientName()).o("clientMachine",
|
||||
u.getClientMachine());
|
||||
out.print("</file-under-construction>\n");
|
||||
}
|
||||
}
|
||||
|
||||
private void dumpINodeSection(InputStream in) throws IOException {
|
||||
INodeSection s = INodeSection.parseDelimitedFrom(in);
|
||||
out.print("<INodeSection>");
|
||||
o("lastInodeId", s.getLastInodeId());
|
||||
for (int i = 0; i < s.getNumInodes(); ++i) {
|
||||
INodeSection.INode p = INodeSection.INode.parseDelimitedFrom(in);
|
||||
out.print("<inode>");
|
||||
o("id", p.getId()).o("type", p.getType()).o("name",
|
||||
p.getName().toStringUtf8());
|
||||
|
||||
if (p.hasFile()) {
|
||||
dumpINodeFile(p.getFile());
|
||||
} else if (p.hasDirectory()) {
|
||||
dumpINodeDirectory(p.getDirectory());
|
||||
} else if (p.hasSymlink()) {
|
||||
dumpINodeSymlink(p.getSymlink());
|
||||
}
|
||||
|
||||
out.print("</inode>\n");
|
||||
}
|
||||
out.print("</INodeSection>\n");
|
||||
}
|
||||
|
||||
private void dumpINodeSymlink(INodeSymlink s) {
|
||||
o("permission", dumpPermission(s.getPermission())).o("target",
|
||||
s.getTarget().toStringUtf8());
|
||||
}
|
||||
|
||||
private void dumpNameSection(InputStream in) throws IOException {
|
||||
NameSystemSection s = NameSystemSection.parseDelimitedFrom(in);
|
||||
out.print("<NameSection>\n");
|
||||
o("genstampV1", s.getGenstampV1()).o("genstampV2", s.getGenstampV2())
|
||||
.o("genstampV1Limit", s.getGenstampV1Limit())
|
||||
.o("lastAllocatedBlockId", s.getLastAllocatedBlockId())
|
||||
.o("txid", s.getTransactionId());
|
||||
out.print("<NameSection>\n");
|
||||
}
|
||||
|
||||
private String dumpPermission(long permission) {
|
||||
return FSImageFormatPBINode.Loader.loadPermission(permission, stringTable)
|
||||
.toString();
|
||||
}
|
||||
|
||||
private void dumpSecretManagerSection(InputStream is) throws IOException {
|
||||
out.print("<SecretManagerSection>");
|
||||
SecretManagerSection s = SecretManagerSection.parseDelimitedFrom(is);
|
||||
o("currentId", s.getCurrentId()).o("tokenSequenceNumber",
|
||||
s.getTokenSequenceNumber());
|
||||
out.print("</SecretManagerSection>");
|
||||
}
|
||||
|
||||
private void dumpSnapshotDiffSection(InputStream in) throws IOException {
|
||||
out.print("<SnapshotDiffSection>");
|
||||
while (true) {
|
||||
SnapshotDiffSection.DiffEntry e = SnapshotDiffSection.DiffEntry
|
||||
.parseDelimitedFrom(in);
|
||||
if (e == null) {
|
||||
break;
|
||||
}
|
||||
out.print("<diff>");
|
||||
o("inodeid", e.getInodeId());
|
||||
switch (e.getType()) {
|
||||
case FILEDIFF: {
|
||||
for (int i = 0; i < e.getNumOfDiff(); ++i) {
|
||||
out.print("<filediff>");
|
||||
SnapshotDiffSection.FileDiff f = SnapshotDiffSection.FileDiff
|
||||
.parseDelimitedFrom(in);
|
||||
o("snapshotId", f.getSnapshotId()).o("size", f.getFileSize()).o(
|
||||
"name", f.getName().toStringUtf8());
|
||||
out.print("</filediff>\n");
|
||||
}
|
||||
}
|
||||
break;
|
||||
case DIRECTORYDIFF: {
|
||||
for (int i = 0; i < e.getNumOfDiff(); ++i) {
|
||||
out.print("<dirdiff>");
|
||||
SnapshotDiffSection.DirectoryDiff d = SnapshotDiffSection.DirectoryDiff
|
||||
.parseDelimitedFrom(in);
|
||||
o("snapshotId", d.getSnapshotId())
|
||||
.o("isSnapshotroot", d.getIsSnapshotRoot())
|
||||
.o("childrenSize", d.getChildrenSize())
|
||||
.o("name", d.getName().toStringUtf8());
|
||||
|
||||
for (int j = 0; j < d.getCreatedListSize(); ++j) {
|
||||
SnapshotDiffSection.CreatedListEntry ce = SnapshotDiffSection.CreatedListEntry
|
||||
.parseDelimitedFrom(in);
|
||||
out.print("<created>");
|
||||
o("name", ce.getName().toStringUtf8());
|
||||
out.print("</created>\n");
|
||||
}
|
||||
for (int j = 0; j < d.getNumOfDeletedRef(); ++j) {
|
||||
INodeSection.INodeReference r = INodeSection.INodeReference
|
||||
.parseDelimitedFrom(in);
|
||||
dumpINodeReference(r);
|
||||
}
|
||||
out.print("</dirdiff>\n");
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
out.print("</diff>");
|
||||
}
|
||||
out.print("<SnapshotDiffSection>\n");
|
||||
}
|
||||
|
||||
private void dumpSnapshotSection(InputStream in) throws IOException {
|
||||
out.print("<SnapshotSection>");
|
||||
SnapshotSection s = SnapshotSection.parseDelimitedFrom(in);
|
||||
o("snapshotCounter", s.getSnapshotCounter());
|
||||
if (s.getSnapshottableDirCount() > 0) {
|
||||
out.print("<snapshottableDir>");
|
||||
for (long id : s.getSnapshottableDirList()) {
|
||||
o("dir", id);
|
||||
}
|
||||
out.print("</snapshottableDir>\n");
|
||||
}
|
||||
for (int i = 0; i < s.getNumSnapshots(); ++i) {
|
||||
SnapshotSection.Snapshot pbs = SnapshotSection.Snapshot
|
||||
.parseDelimitedFrom(in);
|
||||
o("snapshot", pbs.getSnapshotId());
|
||||
}
|
||||
out.print("</SnapshotSection>\n");
|
||||
}
|
||||
|
||||
private void loadStringTable(InputStream in) throws IOException {
|
||||
StringTableSection s = StringTableSection.parseDelimitedFrom(in);
|
||||
stringTable = new String[s.getNumEntry() + 1];
|
||||
for (int i = 0; i < s.getNumEntry(); ++i) {
|
||||
StringTableSection.Entry e = StringTableSection.Entry
|
||||
.parseDelimitedFrom(in);
|
||||
stringTable[e.getId()] = e.getStr();
|
||||
}
|
||||
}
|
||||
|
||||
private PBImageXmlWriter o(final String e, final Object v) {
|
||||
out.print("<" + e + ">" + v + "</" + e + ">");
|
||||
return this;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,280 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
option java_package = "org.apache.hadoop.hdfs.server.namenode";
|
||||
option java_outer_classname = "FsImageProto";
|
||||
|
||||
package hadoop.hdfs.fsimage;
|
||||
|
||||
import "hdfs.proto";
|
||||
|
||||
/**
|
||||
* This file defines the on-disk layout of the file system image. The
|
||||
* layout is defined by the following EBNF grammar, in which angle
|
||||
* brackets mark protobuf definitions. (e.g., <FileSummary>)
|
||||
*
|
||||
* FILE := MAGIC SECTION* <FileSummary> FileSummaryLength
|
||||
* MAGIC := 'HDFSIMG1'
|
||||
* SECTION := <NameSystemSection> | ...
|
||||
* FileSummaryLength := 4 byte int
|
||||
*
|
||||
* Some notes:
|
||||
*
|
||||
* The codec field in FileSummary describes the compression codec used
|
||||
* for all sections. The fileheader is always uncompressed.
|
||||
*
|
||||
* All protobuf messages are serialized in delimited form, which means
|
||||
* that there always will be an integer indicates the size of the
|
||||
* protobuf message.
|
||||
*
|
||||
*/
|
||||
|
||||
message FileSummary {
|
||||
// The version of the above EBNF grammars.
|
||||
required uint32 ondiskVersion = 1;
|
||||
// layoutVersion describes which features are available in the
|
||||
// FSImage.
|
||||
required uint32 layoutVersion = 2;
|
||||
optional string codec = 3;
|
||||
// index for each section
|
||||
message Section {
|
||||
optional string name = 1;
|
||||
optional uint64 length = 2;
|
||||
optional uint64 offset = 3;
|
||||
}
|
||||
repeated Section sections = 4;
|
||||
}
|
||||
|
||||
/**
|
||||
* Name: NS_INFO
|
||||
*/
|
||||
message NameSystemSection {
|
||||
optional uint32 namespaceId = 1;
|
||||
optional uint64 genstampV1 = 2;
|
||||
optional uint64 genstampV2 = 3;
|
||||
optional uint64 genstampV1Limit = 4;
|
||||
optional uint64 lastAllocatedBlockId = 5;
|
||||
optional uint64 transactionId = 6;
|
||||
}
|
||||
|
||||
/**
|
||||
* Permission is serialized as a 64-bit long. [0:24):[25:48):[48:64) (in Big Endian).
|
||||
* The first and the second parts are the string ids of the user and
|
||||
* group name, and the last 16 bits are the permission bits.
|
||||
*
|
||||
* Name: INODE
|
||||
*/
|
||||
message INodeSection {
|
||||
/**
|
||||
* under-construction feature for INodeFile
|
||||
*/
|
||||
message FileUnderConstructionFeature {
|
||||
optional string clientName = 1;
|
||||
optional string clientMachine = 2;
|
||||
}
|
||||
|
||||
message INodeFile {
|
||||
optional uint32 replication = 1;
|
||||
optional uint64 modificationTime = 2;
|
||||
optional uint64 accessTime = 3;
|
||||
optional uint64 preferredBlockSize = 4;
|
||||
optional fixed64 permission = 5;
|
||||
repeated BlockProto blocks = 6;
|
||||
optional FileUnderConstructionFeature fileUC = 7;
|
||||
}
|
||||
|
||||
message INodeDirectory {
|
||||
optional uint64 modificationTime = 1;
|
||||
// namespace quota
|
||||
optional uint64 nsQuota = 2;
|
||||
// diskspace quota
|
||||
optional uint64 dsQuota = 3;
|
||||
optional fixed64 permission = 4;
|
||||
}
|
||||
|
||||
message INodeSymlink {
|
||||
optional fixed64 permission = 1;
|
||||
optional bytes target = 2;
|
||||
}
|
||||
|
||||
message INodeReference {
|
||||
// id of the referred inode
|
||||
optional uint64 referredId = 1;
|
||||
// local name recorded in WithName
|
||||
optional bytes name = 2;
|
||||
// recorded in DstReference
|
||||
optional uint32 dstSnapshotId = 3;
|
||||
// recorded in WithName
|
||||
optional uint32 lastSnapshotId = 4;
|
||||
}
|
||||
|
||||
message INode {
|
||||
enum Type {
|
||||
FILE = 1;
|
||||
DIRECTORY = 2;
|
||||
SYMLINK = 3;
|
||||
};
|
||||
required Type type = 1;
|
||||
required uint64 id = 2;
|
||||
optional bytes name = 3;
|
||||
|
||||
optional INodeFile file = 4;
|
||||
optional INodeDirectory directory = 5;
|
||||
optional INodeSymlink symlink = 6;
|
||||
}
|
||||
|
||||
optional uint64 lastInodeId = 1;
|
||||
optional uint64 numInodes = 2;
|
||||
// repeated INodes..
|
||||
}
|
||||
|
||||
/**
|
||||
* This section records information about under-construction files for
|
||||
* reconstructing the lease map.
|
||||
* NAME: FILES_UNDERCONSTRUCTION
|
||||
*/
|
||||
message FilesUnderConstructionSection {
|
||||
message FileUnderConstructionEntry {
|
||||
optional uint64 inodeId = 1;
|
||||
optional string fullPath = 2;
|
||||
}
|
||||
// repeated FileUnderConstructionEntry...
|
||||
}
|
||||
|
||||
/**
|
||||
* This section records the children of each directories
|
||||
* NAME: INODE_DIR
|
||||
*/
|
||||
message INodeDirectorySection {
|
||||
message DirEntry {
|
||||
optional uint64 parent = 1;
|
||||
repeated uint64 children = 2 [packed = true];
|
||||
optional uint64 numOfRef = 3;
|
||||
// repeated INodeReference...
|
||||
}
|
||||
// repeated DirEntry, ended at the boundary of the section.
|
||||
}
|
||||
|
||||
/**
|
||||
* This section records the information about snapshot
|
||||
* NAME: SNAPSHOT
|
||||
*/
|
||||
message SnapshotSection {
|
||||
message Snapshot {
|
||||
optional uint32 snapshotId = 1;
|
||||
// Snapshot root
|
||||
optional INodeSection.INode root = 2;
|
||||
}
|
||||
|
||||
optional uint32 snapshotCounter = 1;
|
||||
repeated uint64 snapshottableDir = 2 [packed = true];
|
||||
// total number of snapshots
|
||||
optional uint32 numSnapshots = 3;
|
||||
// repeated Snapshot...
|
||||
}
|
||||
|
||||
/**
|
||||
* This section records information about snapshot diffs
|
||||
* NAME: SNAPSHOT_DIFF
|
||||
*/
|
||||
message SnapshotDiffSection {
|
||||
message CreatedListEntry {
|
||||
optional bytes name = 1;
|
||||
}
|
||||
|
||||
message DirectoryDiff {
|
||||
optional uint32 snapshotId = 1;
|
||||
optional uint32 childrenSize = 2;
|
||||
optional bool isSnapshotRoot = 3;
|
||||
optional bytes name = 4;
|
||||
optional INodeSection.INodeDirectory snapshotCopy = 5;
|
||||
optional uint32 createdListSize = 6;
|
||||
optional uint32 numOfDeletedRef = 7; // number of reference nodes in deleted list
|
||||
repeated uint64 deletedINode = 8 [packed = true]; // id of deleted inode
|
||||
// repeated CreatedListEntry (size is specified by createdListSize)
|
||||
// repeated INodeReference (reference inodes in deleted list)
|
||||
}
|
||||
|
||||
message FileDiff {
|
||||
optional uint32 snapshotId = 1;
|
||||
optional uint64 fileSize = 2;
|
||||
optional bytes name = 3;
|
||||
optional INodeSection.INodeFile snapshotCopy = 4;
|
||||
}
|
||||
|
||||
message DiffEntry {
|
||||
enum Type {
|
||||
FILEDIFF = 1;
|
||||
DIRECTORYDIFF = 2;
|
||||
}
|
||||
required Type type = 1;
|
||||
optional uint64 inodeId = 2;
|
||||
optional uint32 numOfDiff = 3;
|
||||
|
||||
// repeated DirectoryDiff or FileDiff
|
||||
}
|
||||
|
||||
// repeated DiffEntry
|
||||
}
|
||||
|
||||
/**
|
||||
* This section maps string to id
|
||||
* NAME: STRING_TABLE
|
||||
*/
|
||||
message StringTableSection {
|
||||
message Entry {
|
||||
optional uint32 id = 1;
|
||||
optional string str = 2;
|
||||
}
|
||||
optional uint32 numEntry = 1;
|
||||
// repeated Entry
|
||||
}
|
||||
|
||||
message SecretManagerSection {
|
||||
message DelegationKey {
|
||||
optional uint32 id = 1;
|
||||
optional uint64 expiryDate = 2;
|
||||
optional bytes key = 3;
|
||||
}
|
||||
message PersistToken {
|
||||
optional uint32 version = 1;
|
||||
optional string owner = 2;
|
||||
optional string renewer = 3;
|
||||
optional string realUser = 4;
|
||||
optional uint64 issueDate = 5;
|
||||
optional uint64 maxDate = 6;
|
||||
optional uint32 sequenceNumber = 7;
|
||||
optional uint32 masterKeyId = 8;
|
||||
optional uint64 expiryDate = 9;
|
||||
}
|
||||
optional uint32 currentId = 1;
|
||||
optional uint32 tokenSequenceNumber = 2;
|
||||
optional uint32 numKeys = 3;
|
||||
optional uint32 numTokens = 4;
|
||||
// repeated DelegationKey keys
|
||||
// repeated PersistToken tokens
|
||||
}
|
||||
|
||||
message CacheManagerSection {
|
||||
required uint64 nextDirectiveId = 1;
|
||||
required uint32 numPools = 2;
|
||||
required uint32 numDirectives = 3;
|
||||
// repeated CachePoolInfoProto pools
|
||||
// repeated CacheDirectiveInfoProto directives
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,138 @@
|
|||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.apache.hadoop.hdfs.server.namenode;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.util.EnumSet;
|
||||
|
||||
import junit.framework.Assert;
|
||||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.fs.FSDataOutputStream;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.hdfs.DFSConfigKeys;
|
||||
import org.apache.hadoop.hdfs.DFSOutputStream;
|
||||
import org.apache.hadoop.hdfs.DistributedFileSystem;
|
||||
import org.apache.hadoop.hdfs.MiniDFSCluster;
|
||||
import org.apache.hadoop.hdfs.client.HdfsDataOutputStream.SyncFlag;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
|
||||
import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo;
|
||||
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.BlockUCState;
|
||||
import org.apache.hadoop.hdfs.server.namenode.LeaseManager.Lease;
|
||||
import org.apache.hadoop.hdfs.util.MD5FileUtils;
|
||||
import org.junit.Test;
|
||||
|
||||
public class TestFSImage {
|
||||
|
||||
@Test
|
||||
public void testPersist() throws IOException {
|
||||
Configuration conf = new Configuration();
|
||||
testPersistHelper(conf);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCompression() throws IOException {
|
||||
Configuration conf = new Configuration();
|
||||
conf.setBoolean(DFSConfigKeys.DFS_IMAGE_COMPRESS_KEY, true);
|
||||
conf.set(DFSConfigKeys.DFS_IMAGE_COMPRESSION_CODEC_KEY,
|
||||
"org.apache.hadoop.io.compress.GzipCodec");
|
||||
testPersistHelper(conf);
|
||||
}
|
||||
|
||||
private void testPersistHelper(Configuration conf) throws IOException {
|
||||
MiniDFSCluster cluster = null;
|
||||
try {
|
||||
cluster = new MiniDFSCluster.Builder(conf).build();
|
||||
cluster.waitActive();
|
||||
FSNamesystem fsn = cluster.getNamesystem();
|
||||
DistributedFileSystem fs = cluster.getFileSystem();
|
||||
|
||||
final Path dir = new Path("/abc/def");
|
||||
final Path file1 = new Path(dir, "f1");
|
||||
final Path file2 = new Path(dir, "f2");
|
||||
|
||||
// create an empty file f1
|
||||
fs.create(file1).close();
|
||||
|
||||
// create an under-construction file f2
|
||||
FSDataOutputStream out = fs.create(file2);
|
||||
out.writeBytes("hello");
|
||||
((DFSOutputStream) out.getWrappedStream()).hsync(EnumSet
|
||||
.of(SyncFlag.UPDATE_LENGTH));
|
||||
|
||||
// checkpoint
|
||||
fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
|
||||
fs.saveNamespace();
|
||||
fs.setSafeMode(SafeModeAction.SAFEMODE_LEAVE);
|
||||
|
||||
cluster.restartNameNode();
|
||||
cluster.waitActive();
|
||||
fs = cluster.getFileSystem();
|
||||
|
||||
assertTrue(fs.isDirectory(dir));
|
||||
assertTrue(fs.exists(file1));
|
||||
assertTrue(fs.exists(file2));
|
||||
|
||||
// check internals of file2
|
||||
INodeFile file2Node = fsn.dir.getINode4Write(file2.toString()).asFile();
|
||||
assertEquals("hello".length(), file2Node.computeFileSize());
|
||||
assertTrue(file2Node.isUnderConstruction());
|
||||
BlockInfo[] blks = file2Node.getBlocks();
|
||||
assertEquals(1, blks.length);
|
||||
assertEquals(BlockUCState.UNDER_CONSTRUCTION, blks[0].getBlockUCState());
|
||||
// check lease manager
|
||||
Lease lease = fsn.leaseManager.getLeaseByPath(file2.toString());
|
||||
Assert.assertNotNull(lease);
|
||||
} finally {
|
||||
if (cluster != null) {
|
||||
cluster.shutdown();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Ensure that the digest written by the saver equals to the digest of the
|
||||
* file.
|
||||
*/
|
||||
@Test
|
||||
public void testDigest() throws IOException {
|
||||
Configuration conf = new Configuration();
|
||||
MiniDFSCluster cluster = null;
|
||||
try {
|
||||
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build();
|
||||
DistributedFileSystem fs = cluster.getFileSystem();
|
||||
fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
|
||||
fs.saveNamespace();
|
||||
fs.setSafeMode(SafeModeAction.SAFEMODE_LEAVE);
|
||||
File currentDir = FSImageTestUtil.getNameNodeCurrentDirs(cluster, 0).get(
|
||||
0);
|
||||
File fsimage = FSImageTestUtil.findNewestImageFile(currentDir
|
||||
.getAbsolutePath());
|
||||
assertEquals(MD5FileUtils.readStoredMd5ForFile(fsimage),
|
||||
MD5FileUtils.computeMd5ForFile(fsimage));
|
||||
} finally {
|
||||
if (cluster != null) {
|
||||
cluster.shutdown();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -140,7 +140,7 @@ private HdfsDataOutputStream appendFileWithoutClosing(Path file, int length)
|
|||
private File saveFSImageToTempFile() throws IOException {
|
||||
SaveNamespaceContext context = new SaveNamespaceContext(fsn, txid,
|
||||
new Canceler());
|
||||
FSImageFormat.Saver saver = new FSImageFormat.Saver(context);
|
||||
FSImageFormatProtobuf.Saver saver = new FSImageFormatProtobuf.Saver(context);
|
||||
FSImageCompression compression = FSImageCompression.createCompression(conf);
|
||||
File imageFile = getImageFile(testDir, txid);
|
||||
fsn.readLock();
|
||||
|
|
@ -154,7 +154,7 @@ private File saveFSImageToTempFile() throws IOException {
|
|||
|
||||
/** Load the fsimage from a temp file */
|
||||
private void loadFSImageFromTempFile(File imageFile) throws IOException {
|
||||
FSImageFormat.Loader loader = new FSImageFormat.Loader(conf, fsn);
|
||||
FSImageFormat.LoaderDelegator loader = FSImageFormat.newLoader(conf, fsn);
|
||||
fsn.writeLock();
|
||||
fsn.getFSDirectory().writeLock();
|
||||
try {
|
||||
|
|
|
|||
|
|
@ -287,7 +287,6 @@ public void testStandbyExceptionThrownDuringCheckpoint() throws Exception {
|
|||
doEdits(0, 1000);
|
||||
nn0.getRpcServer().rollEditLog();
|
||||
answerer.waitForCall();
|
||||
answerer.proceed();
|
||||
assertTrue("SBN is not performing checkpoint but it should be.",
|
||||
answerer.getFireCount() == 1 && answerer.getResultCount() == 0);
|
||||
|
||||
|
|
@ -306,6 +305,7 @@ public void testStandbyExceptionThrownDuringCheckpoint() throws Exception {
|
|||
// RPC to the SBN happened during the checkpoint.
|
||||
assertTrue("SBN should have still been checkpointing.",
|
||||
answerer.getFireCount() == 1 && answerer.getResultCount() == 0);
|
||||
answerer.proceed();
|
||||
answerer.waitForResult();
|
||||
assertTrue("SBN should have finished checkpointing.",
|
||||
answerer.getFireCount() == 1 && answerer.getResultCount() == 1);
|
||||
|
|
|
|||
|
|
@ -73,7 +73,6 @@
|
|||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.mockito.Mockito;
|
||||
;
|
||||
|
||||
/** Testing rename with snapshots. */
|
||||
public class TestRenameWithSnapshots {
|
||||
|
|
|
|||
|
|
@ -25,6 +25,9 @@
|
|||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.io.PrintWriter;
|
||||
import java.io.RandomAccessFile;
|
||||
import java.io.StringWriter;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.EnumSet;
|
||||
|
|
@ -53,8 +56,7 @@
|
|||
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper.TestDirectoryTree;
|
||||
import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper.TestDirectoryTree.Node;
|
||||
import org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewer;
|
||||
import org.apache.hadoop.hdfs.tools.offlineImageViewer.XmlImageVisitor;
|
||||
import org.apache.hadoop.hdfs.tools.offlineImageViewer.PBImageXmlWriter;
|
||||
import org.apache.hadoop.ipc.RemoteException;
|
||||
import org.apache.hadoop.test.GenericTestUtils;
|
||||
import org.apache.hadoop.util.Time;
|
||||
|
|
@ -245,8 +247,8 @@ public void testSnapshot() throws Throwable {
|
|||
* snapshots
|
||||
*/
|
||||
@Test
|
||||
public void testOfflineImageViewer() throws Throwable {
|
||||
runTestSnapshot(SNAPSHOT_ITERATION_NUMBER);
|
||||
public void testOfflineImageViewer() throws Exception {
|
||||
runTestSnapshot(1);
|
||||
|
||||
// retrieve the fsimage. Note that we already save namespace to fsimage at
|
||||
// the end of each iteration of runTestSnapshot.
|
||||
|
|
@ -254,31 +256,10 @@ public void testOfflineImageViewer() throws Throwable {
|
|||
FSImageTestUtil.getFSImage(
|
||||
cluster.getNameNode()).getStorage().getStorageDir(0));
|
||||
assertNotNull("Didn't generate or can't find fsimage", originalFsimage);
|
||||
|
||||
String ROOT = System.getProperty("test.build.data", "build/test/data");
|
||||
File testFile = new File(ROOT, "/image");
|
||||
String xmlImage = ROOT + "/image_xml";
|
||||
boolean success = false;
|
||||
|
||||
try {
|
||||
DFSTestUtil.copyFile(originalFsimage, testFile);
|
||||
XmlImageVisitor v = new XmlImageVisitor(xmlImage, true);
|
||||
OfflineImageViewer oiv = new OfflineImageViewer(testFile.getPath(), v,
|
||||
true);
|
||||
oiv.go();
|
||||
success = true;
|
||||
} finally {
|
||||
if (testFile.exists()) {
|
||||
testFile.delete();
|
||||
}
|
||||
// delete the xml file if the parsing is successful
|
||||
if (success) {
|
||||
File xmlImageFile = new File(xmlImage);
|
||||
if (xmlImageFile.exists()) {
|
||||
xmlImageFile.delete();
|
||||
}
|
||||
}
|
||||
}
|
||||
StringWriter output = new StringWriter();
|
||||
PrintWriter o = new PrintWriter(output);
|
||||
PBImageXmlWriter v = new PBImageXmlWriter(new Configuration(), o);
|
||||
v.visit(new RandomAccessFile(originalFsimage, "r"));
|
||||
}
|
||||
|
||||
private void runTestSnapshot(int iteration) throws Exception {
|
||||
|
|
|
|||
|
|
@ -20,23 +20,20 @@
|
|||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertFalse;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
import static org.junit.Assert.fail;
|
||||
|
||||
import java.io.BufferedReader;
|
||||
import java.io.DataInputStream;
|
||||
import java.io.DataOutputStream;
|
||||
import java.io.EOFException;
|
||||
import java.io.File;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.FileReader;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.OutputStream;
|
||||
import java.io.PrintWriter;
|
||||
import java.io.RandomAccessFile;
|
||||
import java.io.StringWriter;
|
||||
import java.util.HashMap;
|
||||
import java.util.LinkedList;
|
||||
import java.util.List;
|
||||
import java.util.Set;
|
||||
import java.util.regex.Matcher;
|
||||
import java.util.regex.Pattern;
|
||||
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
|
|
@ -46,27 +43,29 @@
|
|||
import org.apache.hadoop.fs.FileStatus;
|
||||
import org.apache.hadoop.fs.FileSystem;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.fs.permission.FsPermission;
|
||||
import org.apache.hadoop.hdfs.DFSConfigKeys;
|
||||
import org.apache.hadoop.hdfs.DFSTestUtil;
|
||||
import org.apache.hadoop.hdfs.HdfsConfiguration;
|
||||
import org.apache.hadoop.hdfs.MiniDFSCluster;
|
||||
import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
|
||||
import org.apache.hadoop.hdfs.server.namenode.FSImageTestUtil;
|
||||
import org.apache.hadoop.io.IOUtils;
|
||||
import org.apache.hadoop.security.token.Token;
|
||||
import org.apache.hadoop.test.PathUtils;
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Rule;
|
||||
import org.junit.Test;
|
||||
|
||||
import org.junit.rules.TemporaryFolder;
|
||||
|
||||
/**
|
||||
* Test function of OfflineImageViewer by:
|
||||
* * confirming it can correctly process a valid fsimage file and that
|
||||
* the processing generates a correct representation of the namespace
|
||||
* * confirming it correctly fails to process an fsimage file with a layout
|
||||
* version it shouldn't be able to handle
|
||||
* * confirm it correctly bails on malformed image files, in particular, a
|
||||
* file that ends suddenly.
|
||||
* Test function of OfflineImageViewer by: * confirming it can correctly process
|
||||
* a valid fsimage file and that the processing generates a correct
|
||||
* representation of the namespace * confirming it correctly fails to process an
|
||||
* fsimage file with a layout version it shouldn't be able to handle * confirm
|
||||
* it correctly bails on malformed image files, in particular, a file that ends
|
||||
* suddenly.
|
||||
*/
|
||||
public class TestOfflineImageViewer {
|
||||
private static final Log LOG = LogFactory.getLog(OfflineImageViewer.class);
|
||||
|
|
@ -76,20 +75,20 @@ public class TestOfflineImageViewer {
|
|||
private static File originalFsimage = null;
|
||||
|
||||
// Elements of lines of ls-file output to be compared to FileStatus instance
|
||||
private static class LsElements {
|
||||
public String perms;
|
||||
public int replication;
|
||||
public String username;
|
||||
public String groupname;
|
||||
public long filesize;
|
||||
public char dir; // d if dir, - otherwise
|
||||
private static final class LsElements {
|
||||
private String perms;
|
||||
private int replication;
|
||||
private String username;
|
||||
private String groupname;
|
||||
private long filesize;
|
||||
private boolean isDir;
|
||||
}
|
||||
|
||||
// namespace as written to dfs, to be compared with viewer's output
|
||||
final static HashMap<String, FileStatus> writtenFiles =
|
||||
new HashMap<String, FileStatus>();
|
||||
final static HashMap<String, FileStatus> writtenFiles = new HashMap<String, FileStatus>();
|
||||
|
||||
private static String ROOT = PathUtils.getTestDirName(TestOfflineImageViewer.class);
|
||||
@Rule
|
||||
public TemporaryFolder folder = new TemporaryFolder();
|
||||
|
||||
// Create a populated namespace for later testing. Save its contents to a
|
||||
// data structure and store its fsimage location.
|
||||
|
|
@ -100,9 +99,12 @@ public static void createOriginalFSImage() throws IOException {
|
|||
MiniDFSCluster cluster = null;
|
||||
try {
|
||||
Configuration conf = new HdfsConfiguration();
|
||||
conf.setLong(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_MAX_LIFETIME_KEY, 10000);
|
||||
conf.setLong(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_RENEW_INTERVAL_KEY, 5000);
|
||||
conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY, true);
|
||||
conf.setLong(
|
||||
DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_MAX_LIFETIME_KEY, 10000);
|
||||
conf.setLong(
|
||||
DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_RENEW_INTERVAL_KEY, 5000);
|
||||
conf.setBoolean(
|
||||
DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY, true);
|
||||
conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_AUTH_TO_LOCAL,
|
||||
"RULE:[2:$1@$0](JobTracker@.*FOO.COM)s/@.*//" + "DEFAULT");
|
||||
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(4).build();
|
||||
|
|
@ -122,13 +124,14 @@ public static void createOriginalFSImage() throws IOException {
|
|||
o.write(new byte[filesize++]);
|
||||
o.close();
|
||||
|
||||
writtenFiles.put(file.toString(), pathToFileEntry(hdfs, file.toString()));
|
||||
writtenFiles.put(file.toString(),
|
||||
pathToFileEntry(hdfs, file.toString()));
|
||||
}
|
||||
}
|
||||
|
||||
// Get delegation tokens so we log the delegation token op
|
||||
Token<?>[] delegationTokens =
|
||||
hdfs.addDelegationTokens(TEST_RENEWER, null);
|
||||
Token<?>[] delegationTokens = hdfs
|
||||
.addDelegationTokens(TEST_RENEWER, null);
|
||||
for (Token<?> t : delegationTokens) {
|
||||
LOG.debug("got token " + t);
|
||||
}
|
||||
|
|
@ -139,9 +142,8 @@ public static void createOriginalFSImage() throws IOException {
|
|||
cluster.getNameNodeRpc().saveNamespace();
|
||||
|
||||
// Determine location of fsimage file
|
||||
originalFsimage = FSImageTestUtil.findLatestImageFile(
|
||||
FSImageTestUtil.getFSImage(
|
||||
cluster.getNameNode()).getStorage().getStorageDir(0));
|
||||
originalFsimage = FSImageTestUtil.findLatestImageFile(FSImageTestUtil
|
||||
.getFSImage(cluster.getNameNode()).getStorage().getStorageDir(0));
|
||||
if (originalFsimage == null) {
|
||||
throw new RuntimeException("Didn't generate or can't find fsimage");
|
||||
}
|
||||
|
|
@ -170,296 +172,81 @@ private static FileStatus pathToFileEntry(FileSystem hdfs, String file)
|
|||
// fsimage
|
||||
@Test
|
||||
public void outputOfLSVisitor() throws IOException {
|
||||
File testFile = new File(ROOT, "/basicCheck");
|
||||
File outputFile = new File(ROOT, "/basicCheckOutput");
|
||||
|
||||
try {
|
||||
DFSTestUtil.copyFile(originalFsimage, testFile);
|
||||
|
||||
ImageVisitor v = new LsImageVisitor(outputFile.getPath(), true);
|
||||
OfflineImageViewer oiv = new OfflineImageViewer(testFile.getPath(), v, false);
|
||||
|
||||
oiv.go();
|
||||
|
||||
HashMap<String, LsElements> fileOutput = readLsfile(outputFile);
|
||||
|
||||
compareNamespaces(writtenFiles, fileOutput);
|
||||
} finally {
|
||||
if(testFile.exists()) testFile.delete();
|
||||
if(outputFile.exists()) outputFile.delete();
|
||||
StringWriter output = new StringWriter();
|
||||
PrintWriter out = new PrintWriter(output);
|
||||
LsrPBImage v = new LsrPBImage(new Configuration(), out);
|
||||
v.visit(new RandomAccessFile(originalFsimage, "r"));
|
||||
out.close();
|
||||
Pattern pattern = Pattern
|
||||
.compile("([d\\-])([rwx\\-]{9})\\s*(-|\\d+)\\s*(\\w+)\\s*(\\w+)\\s*(\\d+)\\s*(\\d+)\\s*([\b/]+)");
|
||||
int count = 0;
|
||||
for (String s : output.toString().split("\n")) {
|
||||
Matcher m = pattern.matcher(s);
|
||||
assertTrue(m.find());
|
||||
LsElements e = new LsElements();
|
||||
e.isDir = m.group(1).equals("d");
|
||||
e.perms = m.group(2);
|
||||
e.replication = m.group(3).equals("-") ? 0 : Integer.parseInt(m.group(3));
|
||||
e.username = m.group(4);
|
||||
e.groupname = m.group(5);
|
||||
e.filesize = Long.parseLong(m.group(7));
|
||||
String path = m.group(8);
|
||||
if (!path.equals("/")) {
|
||||
compareFiles(writtenFiles.get(path), e);
|
||||
}
|
||||
LOG.debug("Correctly generated ls-style output.");
|
||||
++count;
|
||||
}
|
||||
assertEquals(writtenFiles.size() + 1, count);
|
||||
}
|
||||
|
||||
// Confirm that attempting to read an fsimage file with an unsupported
|
||||
// layout results in an error
|
||||
@Test
|
||||
public void unsupportedFSLayoutVersion() throws IOException {
|
||||
File testFile = new File(ROOT, "/invalidLayoutVersion");
|
||||
File outputFile = new File(ROOT, "invalidLayoutVersionOutput");
|
||||
|
||||
try {
|
||||
int badVersionNum = -432;
|
||||
changeLayoutVersion(originalFsimage, testFile, badVersionNum);
|
||||
ImageVisitor v = new LsImageVisitor(outputFile.getPath(), true);
|
||||
OfflineImageViewer oiv = new OfflineImageViewer(testFile.getPath(), v, false);
|
||||
|
||||
try {
|
||||
oiv.go();
|
||||
fail("Shouldn't be able to read invalid laytout version");
|
||||
} catch(IOException e) {
|
||||
if(!e.getMessage().contains(Integer.toString(badVersionNum)))
|
||||
throw e; // wasn't error we were expecting
|
||||
LOG.debug("Correctly failed at reading bad image version.");
|
||||
}
|
||||
} finally {
|
||||
if(testFile.exists()) testFile.delete();
|
||||
if(outputFile.exists()) outputFile.delete();
|
||||
}
|
||||
}
|
||||
|
||||
// Verify that image viewer will bail on a file that ends unexpectedly
|
||||
@Test
|
||||
public void truncatedFSImage() throws IOException {
|
||||
File testFile = new File(ROOT, "/truncatedFSImage");
|
||||
File outputFile = new File(ROOT, "/trucnatedFSImageOutput");
|
||||
try {
|
||||
copyPartOfFile(originalFsimage, testFile);
|
||||
assertTrue("Created truncated fsimage", testFile.exists());
|
||||
|
||||
ImageVisitor v = new LsImageVisitor(outputFile.getPath(), true);
|
||||
OfflineImageViewer oiv = new OfflineImageViewer(testFile.getPath(), v, false);
|
||||
|
||||
try {
|
||||
oiv.go();
|
||||
fail("Managed to process a truncated fsimage file");
|
||||
} catch (EOFException e) {
|
||||
LOG.debug("Correctly handled EOF");
|
||||
}
|
||||
|
||||
} finally {
|
||||
if(testFile.exists()) testFile.delete();
|
||||
if(outputFile.exists()) outputFile.delete();
|
||||
}
|
||||
}
|
||||
|
||||
// Test that our ls file has all the same compenents of the original namespace
|
||||
private void compareNamespaces(HashMap<String, FileStatus> written,
|
||||
HashMap<String, LsElements> fileOutput) {
|
||||
assertEquals( "Should be the same number of files in both, plus one for root"
|
||||
+ " in fileoutput", fileOutput.keySet().size(),
|
||||
written.keySet().size() + 1);
|
||||
Set<String> inFile = fileOutput.keySet();
|
||||
|
||||
// For each line in the output file, verify that the namespace had a
|
||||
// filestatus counterpart
|
||||
for (String path : inFile) {
|
||||
if (path.equals("/")) // root's not included in output from system call
|
||||
continue;
|
||||
|
||||
assertTrue("Path in file (" + path + ") was written to fs", written
|
||||
.containsKey(path));
|
||||
|
||||
compareFiles(written.get(path), fileOutput.get(path));
|
||||
|
||||
written.remove(path);
|
||||
}
|
||||
|
||||
assertEquals("No more files were written to fs", 0, written.size());
|
||||
@Test(expected = IOException.class)
|
||||
public void testTruncatedFSImage() throws IOException {
|
||||
File truncatedFile = folder.newFile();
|
||||
StringWriter output = new StringWriter();
|
||||
copyPartOfFile(originalFsimage, truncatedFile);
|
||||
new FileDistributionCalculator(new Configuration(), 0, 0, new PrintWriter(
|
||||
output)).visit(new RandomAccessFile(truncatedFile, "r"));
|
||||
}
|
||||
|
||||
// Compare two files as listed in the original namespace FileStatus and
|
||||
// the output of the ls file from the image processor
|
||||
private void compareFiles(FileStatus fs, LsElements elements) {
|
||||
assertEquals("directory listed as such",
|
||||
fs.isDirectory() ? 'd' : '-', elements.dir);
|
||||
assertEquals("perms string equal",
|
||||
fs.getPermission().toString(), elements.perms);
|
||||
assertEquals("directory listed as such", fs.isDirectory(), elements.isDir);
|
||||
assertEquals("perms string equal", fs.getPermission().toString(),
|
||||
elements.perms);
|
||||
assertEquals("replication equal", fs.getReplication(), elements.replication);
|
||||
assertEquals("owner equal", fs.getOwner(), elements.username);
|
||||
assertEquals("group equal", fs.getGroup(), elements.groupname);
|
||||
assertEquals("lengths equal", fs.getLen(), elements.filesize);
|
||||
}
|
||||
|
||||
// Read the contents of the file created by the Ls processor
|
||||
private HashMap<String, LsElements> readLsfile(File lsFile) throws IOException {
|
||||
BufferedReader br = new BufferedReader(new FileReader(lsFile));
|
||||
String line = null;
|
||||
HashMap<String, LsElements> fileContents = new HashMap<String, LsElements>();
|
||||
|
||||
while((line = br.readLine()) != null)
|
||||
readLsLine(line, fileContents);
|
||||
|
||||
br.close();
|
||||
return fileContents;
|
||||
}
|
||||
|
||||
// Parse a line from the ls output. Store permissions, replication,
|
||||
// username, groupname and filesize in hashmap keyed to the path name
|
||||
private void readLsLine(String line, HashMap<String, LsElements> fileContents) {
|
||||
String elements [] = line.split("\\s+");
|
||||
|
||||
assertEquals("Not enough elements in ls output", 8, elements.length);
|
||||
|
||||
LsElements lsLine = new LsElements();
|
||||
|
||||
lsLine.dir = elements[0].charAt(0);
|
||||
lsLine.perms = elements[0].substring(1);
|
||||
lsLine.replication = elements[1].equals("-")
|
||||
? 0 : Integer.valueOf(elements[1]);
|
||||
lsLine.username = elements[2];
|
||||
lsLine.groupname = elements[3];
|
||||
lsLine.filesize = Long.valueOf(elements[4]);
|
||||
// skipping date and time
|
||||
|
||||
String path = elements[7];
|
||||
|
||||
// Check that each file in the ls output was listed once
|
||||
assertFalse("LS file had duplicate file entries",
|
||||
fileContents.containsKey(path));
|
||||
|
||||
fileContents.put(path, lsLine);
|
||||
}
|
||||
|
||||
// Copy one fsimage to another, changing the layout version in the process
|
||||
private void changeLayoutVersion(File src, File dest, int newVersion)
|
||||
throws IOException {
|
||||
DataInputStream in = null;
|
||||
DataOutputStream out = null;
|
||||
|
||||
try {
|
||||
in = new DataInputStream(new FileInputStream(src));
|
||||
out = new DataOutputStream(new FileOutputStream(dest));
|
||||
|
||||
in.readInt();
|
||||
out.writeInt(newVersion);
|
||||
|
||||
byte [] b = new byte[1024];
|
||||
while( in.read(b) > 0 ) {
|
||||
out.write(b);
|
||||
}
|
||||
} finally {
|
||||
if(in != null) in.close();
|
||||
if(out != null) out.close();
|
||||
}
|
||||
}
|
||||
|
||||
// Only copy part of file into the other. Used for testing truncated fsimage
|
||||
private void copyPartOfFile(File src, File dest) throws IOException {
|
||||
InputStream in = null;
|
||||
OutputStream out = null;
|
||||
|
||||
byte [] b = new byte[256];
|
||||
int bytesWritten = 0;
|
||||
int count;
|
||||
int maxBytes = 700;
|
||||
|
||||
FileInputStream in = null;
|
||||
FileOutputStream out = null;
|
||||
final int MAX_BYTES = 700;
|
||||
try {
|
||||
in = new FileInputStream(src);
|
||||
out = new FileOutputStream(dest);
|
||||
|
||||
while( (count = in.read(b)) > 0 && bytesWritten < maxBytes ) {
|
||||
out.write(b);
|
||||
bytesWritten += count;
|
||||
}
|
||||
in.getChannel().transferTo(0, MAX_BYTES, out.getChannel());
|
||||
} finally {
|
||||
if(in != null) in.close();
|
||||
if(out != null) out.close();
|
||||
IOUtils.cleanup(null, in);
|
||||
IOUtils.cleanup(null, out);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void outputOfFileDistributionVisitor() throws IOException {
|
||||
File testFile = new File(ROOT, "/basicCheck");
|
||||
File outputFile = new File(ROOT, "/fileDistributionCheckOutput");
|
||||
public void testFileDistributionVisitor() throws IOException {
|
||||
StringWriter output = new StringWriter();
|
||||
PrintWriter o = new PrintWriter(output);
|
||||
new FileDistributionCalculator(new Configuration(), 0, 0, o)
|
||||
.visit(new RandomAccessFile(originalFsimage, "r"));
|
||||
o.close();
|
||||
|
||||
int totalFiles = 0;
|
||||
BufferedReader reader = null;
|
||||
try {
|
||||
DFSTestUtil.copyFile(originalFsimage, testFile);
|
||||
ImageVisitor v = new FileDistributionVisitor(outputFile.getPath(), 0, 0);
|
||||
OfflineImageViewer oiv =
|
||||
new OfflineImageViewer(testFile.getPath(), v, false);
|
||||
Pattern p = Pattern.compile("totalFiles = (\\d+)\n");
|
||||
Matcher matcher = p.matcher(output.getBuffer());
|
||||
|
||||
oiv.go();
|
||||
|
||||
reader = new BufferedReader(new FileReader(outputFile));
|
||||
String line = reader.readLine();
|
||||
assertEquals(line, "Size\tNumFiles");
|
||||
while((line = reader.readLine()) != null) {
|
||||
String[] row = line.split("\t");
|
||||
assertEquals(row.length, 2);
|
||||
totalFiles += Integer.parseInt(row[1]);
|
||||
}
|
||||
} finally {
|
||||
if (reader != null) {
|
||||
reader.close();
|
||||
}
|
||||
if(testFile.exists()) testFile.delete();
|
||||
if(outputFile.exists()) outputFile.delete();
|
||||
}
|
||||
assertTrue(matcher.find() && matcher.groupCount() == 1);
|
||||
int totalFiles = Integer.parseInt(matcher.group(1));
|
||||
assertEquals(totalFiles, NUM_DIRS * FILES_PER_DIR);
|
||||
}
|
||||
|
||||
private static class TestImageVisitor extends ImageVisitor {
|
||||
private List<String> delegationTokenRenewers = new LinkedList<String>();
|
||||
TestImageVisitor() {
|
||||
}
|
||||
|
||||
List<String> getDelegationTokenRenewers() {
|
||||
return delegationTokenRenewers;
|
||||
}
|
||||
|
||||
@Override
|
||||
void start() throws IOException {
|
||||
}
|
||||
|
||||
@Override
|
||||
void finish() throws IOException {
|
||||
}
|
||||
|
||||
@Override
|
||||
void finishAbnormally() throws IOException {
|
||||
}
|
||||
|
||||
@Override
|
||||
void visit(ImageElement element, String value) throws IOException {
|
||||
if (element == ImageElement.DELEGATION_TOKEN_IDENTIFIER_RENEWER) {
|
||||
delegationTokenRenewers.add(value);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
void visitEnclosingElement(ImageElement element) throws IOException {
|
||||
}
|
||||
|
||||
@Override
|
||||
void visitEnclosingElement(ImageElement element, ImageElement key,
|
||||
String value) throws IOException {
|
||||
}
|
||||
|
||||
@Override
|
||||
void leaveEnclosingElement() throws IOException {
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void outputOfTestVisitor() throws IOException {
|
||||
File testFile = new File(ROOT, "/basicCheck");
|
||||
|
||||
try {
|
||||
DFSTestUtil.copyFile(originalFsimage, testFile);
|
||||
TestImageVisitor v = new TestImageVisitor();
|
||||
OfflineImageViewer oiv = new OfflineImageViewer(testFile.getPath(), v, true);
|
||||
oiv.go();
|
||||
|
||||
// Validated stored delegation token identifiers.
|
||||
List<String> dtrs = v.getDelegationTokenRenewers();
|
||||
assertEquals(1, dtrs.size());
|
||||
assertEquals(TEST_RENEWER, dtrs.get(0));
|
||||
} finally {
|
||||
if(testFile.exists()) testFile.delete();
|
||||
}
|
||||
LOG.debug("Passed TestVisitor validation.");
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<EDITS>
|
||||
<EDITS_VERSION>-51</EDITS_VERSION>
|
||||
<EDITS_VERSION>-52</EDITS_VERSION>
|
||||
<RECORD>
|
||||
<OPCODE>OP_START_LOG_SEGMENT</OPCODE>
|
||||
<DATA>
|
||||
|
|
|
|||
Loading…
Reference in New Issue