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HDFS-6651. Deletion failure can leak inodes permanently. Contributed by Jing Zhao.

This commit is contained in:
Haohui Mai 2015-02-02 16:32:38 -08:00
parent a3a7efe748
commit 7cb70d3447
21 changed files with 193 additions and 393 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -545,6 +545,9 @@ Release 2.7.0 - UNRELEASED
HDFS-7696. In FsDatasetImpl, the getBlockInputStream(..) and
getTmpInputStreams(..) methods may leak file descriptors. (szetszwo)
HDFS-6651. Deletion failure can leak inodes permanently.
(Jing Zhao via wheat9)
Release 2.6.1 - UNRELEASED
INCOMPATIBLE CHANGES

11
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirDeleteOp.java
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@ -19,7 +19,6 @@ package org.apache.hadoop.hdfs.server.namenode;
import org.apache.hadoop.fs.PathIsNotEmptyDirectoryException;
import org.apache.hadoop.fs.permission.FsAction;
import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
import org.apache.hadoop.hdfs.server.namenode.INode.BlocksMapUpdateInfo;
import org.apache.hadoop.util.ChunkedArrayList;
@ -201,7 +200,7 @@ class FSDirDeleteOp {
*/
private static long unprotectedDelete(
FSDirectory fsd, INodesInPath iip, BlocksMapUpdateInfo collectedBlocks,
List<INode> removedINodes, long mtime) throws QuotaExceededException {
List<INode> removedINodes, long mtime) {
assert fsd.hasWriteLock();
// check if target node exists
@ -234,12 +233,10 @@ class FSDirDeleteOp {
targetNode.destroyAndCollectBlocks(collectedBlocks, removedINodes);
} else {
Quota.Counts counts = targetNode.cleanSubtree(CURRENT_STATE_ID,
latestSnapshot, collectedBlocks, removedINodes, true);
latestSnapshot, collectedBlocks, removedINodes);
removed = counts.get(Quota.NAMESPACE);
// TODO: quota verification may fail the deletion here. We should not
// count the snapshot diff into quota usage in the future.
fsd.updateCount(iip, -counts.get(Quota.NAMESPACE),
-counts.get(Quota.DISKSPACE), true);
fsd.updateCountNoQuotaCheck(iip, iip.length() - 1,
-counts.get(Quota.NAMESPACE), -counts.get(Quota.DISKSPACE));
}
if (NameNode.stateChangeLog.isDebugEnabled()) {

8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirRenameOp.java
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@ -633,7 +633,7 @@ class FSDirRenameOp {
}
}
boolean removeSrc4OldRename() throws IOException {
boolean removeSrc4OldRename() {
final long removedSrc = fsd.removeLastINode(srcIIP);
if (removedSrc == -1) {
NameNode.stateChangeLog.warn("DIR* FSDirRenameOp.unprotectedRenameTo: "
@ -648,7 +648,7 @@ class FSDirRenameOp {
}
}
long removeDst() throws IOException {
long removeDst() {
long removedNum = fsd.removeLastINode(dstIIP);
if (removedNum != -1) {
oldDstChild = dstIIP.getLastINode();
@ -735,8 +735,8 @@ class FSDirRenameOp {
filesDeleted = true;
} else {
filesDeleted = oldDstChild.cleanSubtree(Snapshot.CURRENT_STATE_ID,
dstIIP.getLatestSnapshotId(), collectedBlocks, removedINodes,
true).get(Quota.NAMESPACE) >= 0;
dstIIP.getLatestSnapshotId(), collectedBlocks, removedINodes)
.get(Quota.NAMESPACE) >= 0;
}
fsd.getFSNamesystem().removeLeasesAndINodes(src, removedINodes, false);
return filesDeleted;

17
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java
View File

@ -607,13 +607,12 @@ public class FSDirectory implements Closeable {
* when image/edits have been loaded and the file/dir to be deleted is not
* contained in snapshots.
*/
void updateCountForDelete(final INode inode, final INodesInPath iip)
throws QuotaExceededException {
void updateCountForDelete(final INode inode, final INodesInPath iip) {
if (getFSNamesystem().isImageLoaded() &&
!inode.isInLatestSnapshot(iip.getLatestSnapshotId())) {
Quota.Counts counts = inode.computeQuotaUsage();
updateCount(iip, -counts.get(Quota.NAMESPACE),
-counts.get(Quota.DISKSPACE), false);
unprotectedUpdateCount(iip, iip.length() - 1,
-counts.get(Quota.NAMESPACE), -counts.get(Quota.DISKSPACE));
}
}
@ -652,8 +651,8 @@ public class FSDirectory implements Closeable {
* update quota of each inode and check to see if quota is exceeded.
* See {@link #updateCount(INodesInPath, long, long, boolean)}
*/
private void updateCountNoQuotaCheck(INodesInPath inodesInPath,
int numOfINodes, long nsDelta, long dsDelta) {
void updateCountNoQuotaCheck(INodesInPath inodesInPath, int numOfINodes,
long nsDelta, long dsDelta) {
assert hasWriteLock();
try {
updateCount(inodesInPath, numOfINodes, nsDelta, dsDelta, false);
@ -851,7 +850,8 @@ public class FSDirectory implements Closeable {
* Add a child to the end of the path specified by INodesInPath.
* @return an INodesInPath instance containing the new INode
*/
INodesInPath addLastINode(INodesInPath existing, INode inode,
@VisibleForTesting
public INodesInPath addLastINode(INodesInPath existing, INode inode,
boolean checkQuota) throws QuotaExceededException {
assert existing.getLastINode() != null &&
existing.getLastINode().isDirectory();
@ -926,7 +926,8 @@ public class FSDirectory implements Closeable {
* reference nodes;
* 1 otherwise.
*/
long removeLastINode(final INodesInPath iip) throws QuotaExceededException {
@VisibleForTesting
public long removeLastINode(final INodesInPath iip) {
final int latestSnapshot = iip.getLatestSnapshotId();
final INode last = iip.getLastINode();
final INodeDirectory parent = iip.getINode(-2).asDirectory();

48
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INode.java
View File

@ -20,7 +20,6 @@ package org.apache.hadoop.hdfs.server.namenode;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.nio.charset.Charset;
import java.util.List;
import org.apache.commons.logging.Log;
@ -97,8 +96,7 @@ public abstract class INode implements INodeAttributes, Diff.Element<byte[]> {
abstract void setUser(String user);
/** Set user */
final INode setUser(String user, int latestSnapshotId)
throws QuotaExceededException {
final INode setUser(String user, int latestSnapshotId) {
recordModification(latestSnapshotId);
setUser(user);
return this;
@ -122,8 +120,7 @@ public abstract class INode implements INodeAttributes, Diff.Element<byte[]> {
abstract void setGroup(String group);
/** Set group */
final INode setGroup(String group, int latestSnapshotId)
throws QuotaExceededException {
final INode setGroup(String group, int latestSnapshotId) {
recordModification(latestSnapshotId);
setGroup(group);
return this;
@ -148,8 +145,7 @@ public abstract class INode implements INodeAttributes, Diff.Element<byte[]> {
abstract void setPermission(FsPermission permission);
/** Set the {@link FsPermission} of this {@link INode} */
INode setPermission(FsPermission permission, int latestSnapshotId)
throws QuotaExceededException {
INode setPermission(FsPermission permission, int latestSnapshotId) {
recordModification(latestSnapshotId);
setPermission(permission);
return this;
@ -164,8 +160,7 @@ public abstract class INode implements INodeAttributes, Diff.Element<byte[]> {
abstract void addAclFeature(AclFeature aclFeature);
final INode addAclFeature(AclFeature aclFeature, int latestSnapshotId)
throws QuotaExceededException {
final INode addAclFeature(AclFeature aclFeature, int latestSnapshotId) {
recordModification(latestSnapshotId);
addAclFeature(aclFeature);
return this;
@ -173,8 +168,7 @@ public abstract class INode implements INodeAttributes, Diff.Element<byte[]> {
abstract void removeAclFeature();
final INode removeAclFeature(int latestSnapshotId)
throws QuotaExceededException {
final INode removeAclFeature(int latestSnapshotId) {
recordModification(latestSnapshotId);
removeAclFeature();
return this;
@ -199,8 +193,7 @@ public abstract class INode implements INodeAttributes, Diff.Element<byte[]> {
*/
abstract void addXAttrFeature(XAttrFeature xAttrFeature);
final INode addXAttrFeature(XAttrFeature xAttrFeature, int latestSnapshotId)
throws QuotaExceededException {
final INode addXAttrFeature(XAttrFeature xAttrFeature, int latestSnapshotId) {
recordModification(latestSnapshotId);
addXAttrFeature(xAttrFeature);
return this;
@ -211,8 +204,7 @@ public abstract class INode implements INodeAttributes, Diff.Element<byte[]> {
*/
abstract void removeXAttrFeature();
final INode removeXAttrFeature(int lastestSnapshotId)
throws QuotaExceededException {
final INode removeXAttrFeature(int lastestSnapshotId) {
recordModification(lastestSnapshotId);
removeXAttrFeature();
return this;
@ -228,8 +220,7 @@ public abstract class INode implements INodeAttributes, Diff.Element<byte[]> {
/** Is this inode in the latest snapshot? */
public final boolean isInLatestSnapshot(final int latestSnapshotId) {
if (latestSnapshotId == Snapshot.CURRENT_STATE_ID ||
latestSnapshotId == Snapshot.NO_SNAPSHOT_ID) {
if (latestSnapshotId == Snapshot.CURRENT_STATE_ID || latestSnapshotId == Snapshot.NO_SNAPSHOT_ID) {
return false;
}
// if parent is a reference node, parent must be a renamed node. We can
@ -244,15 +235,12 @@ public abstract class INode implements INodeAttributes, Diff.Element<byte[]> {
if (!parentDir.isInLatestSnapshot(latestSnapshotId)) {
return false;
}
final INode child = parentDir.getChild(getLocalNameBytes(),
latestSnapshotId);
final INode child = parentDir.getChild(getLocalNameBytes(), latestSnapshotId);
if (this == child) {
return true;
}
if (child == null || !(child.isReference())) {
return false;
}
return this == child.asReference().getReferredINode();
return child != null && child.isReference() &&
this == child.asReference().getReferredINode();
}
/** @return true if the given inode is an ancestor directory of this inode. */
@ -302,8 +290,7 @@ public abstract class INode implements INodeAttributes, Diff.Element<byte[]> {
* Note that it is {@link Snapshot#CURRENT_STATE_ID}
* if no snapshots have been taken.
*/
abstract void recordModification(final int latestSnapshotId)
throws QuotaExceededException;
abstract void recordModification(final int latestSnapshotId);
/** Check whether it's a reference. */
public boolean isReference() {
@ -416,8 +403,7 @@ public abstract class INode implements INodeAttributes, Diff.Element<byte[]> {
*/
public abstract Quota.Counts cleanSubtree(final int snapshotId,
int priorSnapshotId, BlocksMapUpdateInfo collectedBlocks,
List<INode> removedINodes, boolean countDiffChange)
throws QuotaExceededException;
List<INode> removedINodes);
/**
* Destroy self and clear everything! If the INode is a file, this method
@ -643,15 +629,14 @@ public abstract class INode implements INodeAttributes, Diff.Element<byte[]> {
}
/** Update modification time if it is larger than the current value. */
public abstract INode updateModificationTime(long mtime, int latestSnapshotId)
throws QuotaExceededException;
public abstract INode updateModificationTime(long mtime, int latestSnapshotId);
/** Set the last modification time of inode. */
public abstract void setModificationTime(long modificationTime);
/** Set the last modification time of inode. */
public final INode setModificationTime(long modificationTime,
int latestSnapshotId) throws QuotaExceededException {
int latestSnapshotId) {
recordModification(latestSnapshotId);
setModificationTime(modificationTime);
return this;
@ -680,8 +665,7 @@ public abstract class INode implements INodeAttributes, Diff.Element<byte[]> {
/**
* Set last access time of inode.
*/
public final INode setAccessTime(long accessTime, int latestSnapshotId)
throws QuotaExceededException {
public final INode setAccessTime(long accessTime, int latestSnapshotId) {
recordModification(latestSnapshotId);
setAccessTime(accessTime);
return this;

21
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeDirectory.java
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@ -28,7 +28,6 @@ import java.util.Map;
import org.apache.hadoop.fs.PathIsNotDirectoryException;
import org.apache.hadoop.fs.XAttr;
import org.apache.hadoop.fs.permission.PermissionStatus;
import org.apache.hadoop.hdfs.protocol.BlockStoragePolicy;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
import org.apache.hadoop.hdfs.protocol.SnapshotException;
@ -352,8 +351,7 @@ public class INodeDirectory extends INodeWithAdditionalFields
}
@Override
public void recordModification(int latestSnapshotId)
throws QuotaExceededException {
public void recordModification(int latestSnapshotId) {
if (isInLatestSnapshot(latestSnapshotId)
&& !shouldRecordInSrcSnapshot(latestSnapshotId)) {
// add snapshot feature if necessary
@ -372,7 +370,7 @@ public class INodeDirectory extends INodeWithAdditionalFields
* @return the child inode, which may be replaced.
*/
public INode saveChild2Snapshot(final INode child, final int latestSnapshotId,
final INode snapshotCopy) throws QuotaExceededException {
final INode snapshotCopy) {
if (latestSnapshotId == Snapshot.CURRENT_STATE_ID) {
return child;
}
@ -471,8 +469,7 @@ public class INodeDirectory extends INodeWithAdditionalFields
/**
* Remove the specified child from this directory.
*/
public boolean removeChild(INode child, int latestSnapshotId)
throws QuotaExceededException {
public boolean removeChild(INode child, int latestSnapshotId) {
if (isInLatestSnapshot(latestSnapshotId)) {
// create snapshot feature if necessary
DirectoryWithSnapshotFeature sf = this.getDirectoryWithSnapshotFeature();
@ -737,8 +734,7 @@ public class INodeDirectory extends INodeWithAdditionalFields
/** Call cleanSubtree(..) recursively down the subtree. */
public Quota.Counts cleanSubtreeRecursively(final int snapshot,
int prior, final BlocksMapUpdateInfo collectedBlocks,
final List<INode> removedINodes, final Map<INode, INode> excludedNodes,
final boolean countDiffChange) throws QuotaExceededException {
final List<INode> removedINodes, final Map<INode, INode> excludedNodes) {
Quota.Counts counts = Quota.Counts.newInstance();
// in case of deletion snapshot, since this call happens after we modify
// the diff list, the snapshot to be deleted has been combined or renamed
@ -753,7 +749,7 @@ public class INodeDirectory extends INodeWithAdditionalFields
continue;
} else {
Quota.Counts childCounts = child.cleanSubtree(snapshot, prior,
collectedBlocks, removedINodes, countDiffChange);
collectedBlocks, removedINodes);
counts.add(childCounts);
}
}
@ -780,13 +776,12 @@ public class INodeDirectory extends INodeWithAdditionalFields
@Override
public Quota.Counts cleanSubtree(final int snapshotId, int priorSnapshotId,
final BlocksMapUpdateInfo collectedBlocks,
final List<INode> removedINodes, final boolean countDiffChange)
throws QuotaExceededException {
final List<INode> removedINodes) {
DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature();
// there is snapshot data
if (sf != null) {
return sf.cleanDirectory(this, snapshotId, priorSnapshotId,
collectedBlocks, removedINodes, countDiffChange);
collectedBlocks, removedINodes);
}
// there is no snapshot data
if (priorSnapshotId == Snapshot.NO_SNAPSHOT_ID
@ -799,7 +794,7 @@ public class INodeDirectory extends INodeWithAdditionalFields
} else {
// process recursively down the subtree
Quota.Counts counts = cleanSubtreeRecursively(snapshotId, priorSnapshotId,
collectedBlocks, removedINodes, null, countDiffChange);
collectedBlocks, removedINodes, null);
if (isQuotaSet()) {
getDirectoryWithQuotaFeature().addSpaceConsumed2Cache(
-counts.get(Quota.NAMESPACE), -counts.get(Quota.DISKSPACE));

13
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeFile.java
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@ -304,13 +304,11 @@ public class INodeFile extends INodeWithAdditionalFields
}
@Override
public void recordModification(final int latestSnapshotId)
throws QuotaExceededException {
public void recordModification(final int latestSnapshotId) {
recordModification(latestSnapshotId, false);
}
public void recordModification(final int latestSnapshotId, boolean withBlocks)
throws QuotaExceededException {
public void recordModification(final int latestSnapshotId, boolean withBlocks) {
if (isInLatestSnapshot(latestSnapshotId)
&& !shouldRecordInSrcSnapshot(latestSnapshotId)) {
// the file is in snapshot, create a snapshot feature if it does not have
@ -489,12 +487,11 @@ public class INodeFile extends INodeWithAdditionalFields
@Override
public Quota.Counts cleanSubtree(final int snapshot, int priorSnapshotId,
final BlocksMapUpdateInfo collectedBlocks,
final List<INode> removedINodes, final boolean countDiffChange)
throws QuotaExceededException {
final List<INode> removedINodes) {
FileWithSnapshotFeature sf = getFileWithSnapshotFeature();
if (sf != null) {
return sf.cleanFile(this, snapshot, priorSnapshotId, collectedBlocks,
removedINodes, countDiffChange);
removedINodes);
}
Quota.Counts counts = Quota.Counts.newInstance();
if (snapshot == CURRENT_STATE_ID) {
@ -552,11 +549,9 @@ public class INodeFile extends INodeWithAdditionalFields
if (sf != null) {
FileDiffList fileDiffList = sf.getDiffs();
int last = fileDiffList.getLastSnapshotId();
List<FileDiff> diffs = fileDiffList.asList();
if (lastSnapshotId == Snapshot.CURRENT_STATE_ID
|| last == Snapshot.CURRENT_STATE_ID) {
nsDelta += diffs.size();
dsDelta = diskspaceConsumed();
} else if (last < lastSnapshotId) {
dsDelta = computeFileSize(true, false) * getFileReplication();

8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeMap.java
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@ -22,8 +22,6 @@ import java.util.List;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.fs.permission.PermissionStatus;
import org.apache.hadoop.hdfs.protocol.BlockStoragePolicy;
import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockStoragePolicySuite;
import org.apache.hadoop.hdfs.server.namenode.Quota.Counts;
import org.apache.hadoop.util.GSet;
@ -95,8 +93,7 @@ public class INodeMap {
"", "", new FsPermission((short) 0)), 0, 0) {
@Override
void recordModification(int latestSnapshotId)
throws QuotaExceededException {
void recordModification(int latestSnapshotId) {
}
@Override
@ -119,8 +116,7 @@ public class INodeMap {
@Override
public Counts cleanSubtree(int snapshotId, int priorSnapshotId,
BlocksMapUpdateInfo collectedBlocks, List<INode> removedINodes,
boolean countDiffChange) throws QuotaExceededException {
BlocksMapUpdateInfo collectedBlocks, List<INode> removedINodes) {
return null;
}

34
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeReference.java
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@ -30,6 +30,7 @@ import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeat
import org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot;
import com.google.common.base.Preconditions;
import org.mortbay.log.Log;
/**
* An anonymous reference to an inode.
@ -265,8 +266,7 @@ public abstract class INodeReference extends INode {
}
@Override
public final INode updateModificationTime(long mtime, int latestSnapshotId)
throws QuotaExceededException {
public final INode updateModificationTime(long mtime, int latestSnapshotId) {
return referred.updateModificationTime(mtime, latestSnapshotId);
}
@ -296,17 +296,15 @@ public abstract class INodeReference extends INode {
}
@Override
final void recordModification(int latestSnapshotId)
throws QuotaExceededException {
final void recordModification(int latestSnapshotId) {
referred.recordModification(latestSnapshotId);
}
@Override // used by WithCount
public Quota.Counts cleanSubtree(int snapshot, int prior,
BlocksMapUpdateInfo collectedBlocks, final List<INode> removedINodes,
final boolean countDiffChange) throws QuotaExceededException {
BlocksMapUpdateInfo collectedBlocks, final List<INode> removedINodes) {
return referred.cleanSubtree(snapshot, prior, collectedBlocks,
removedINodes, countDiffChange);
removedINodes);
}
@Override // used by WithCount
@ -537,8 +535,7 @@ public abstract class INodeReference extends INode {
@Override
public Quota.Counts cleanSubtree(final int snapshot, int prior,
final BlocksMapUpdateInfo collectedBlocks,
final List<INode> removedINodes, final boolean countDiffChange)
throws QuotaExceededException {
final List<INode> removedINodes) {
// since WithName node resides in deleted list acting as a snapshot copy,
// the parameter snapshot must be non-null
Preconditions.checkArgument(snapshot != Snapshot.CURRENT_STATE_ID);
@ -554,11 +551,15 @@ public abstract class INodeReference extends INode {
}
Quota.Counts counts = getReferredINode().cleanSubtree(snapshot, prior,
collectedBlocks, removedINodes, false);
collectedBlocks, removedINodes);
INodeReference ref = getReferredINode().getParentReference();
if (ref != null) {
try {
ref.addSpaceConsumed(-counts.get(Quota.NAMESPACE),
-counts.get(Quota.DISKSPACE), true);
} catch (QuotaExceededException e) {
Log.warn("Should not have QuotaExceededException");
}
}
if (snapshot < lastSnapshotId) {
@ -597,7 +598,7 @@ public abstract class INodeReference extends INode {
}
try {
Quota.Counts counts = referred.cleanSubtree(snapshot, prior,
collectedBlocks, removedINodes, false);
collectedBlocks, removedINodes);
INodeReference ref = getReferredINode().getParentReference();
if (ref != null) {
ref.addSpaceConsumed(-counts.get(Quota.NAMESPACE),
@ -653,8 +654,7 @@ public abstract class INodeReference extends INode {
@Override
public Quota.Counts cleanSubtree(int snapshot, int prior,
BlocksMapUpdateInfo collectedBlocks, List<INode> removedINodes,
final boolean countDiffChange) throws QuotaExceededException {
BlocksMapUpdateInfo collectedBlocks, List<INode> removedINodes) {
if (snapshot == Snapshot.CURRENT_STATE_ID
&& prior == Snapshot.NO_SNAPSHOT_ID) {
Quota.Counts counts = Quota.Counts.newInstance();
@ -676,7 +676,7 @@ public abstract class INodeReference extends INode {
return Quota.Counts.newInstance();
}
return getReferredINode().cleanSubtree(snapshot, prior,
collectedBlocks, removedINodes, countDiffChange);
collectedBlocks, removedINodes);
}
}
@ -714,15 +714,11 @@ public abstract class INodeReference extends INode {
Preconditions.checkState(file.isWithSnapshot());
// make sure we mark the file as deleted
file.getFileWithSnapshotFeature().deleteCurrentFile();
try {
// when calling cleanSubtree of the referred node, since we
// compute quota usage updates before calling this destroy
// function, we use true for countDiffChange
referred.cleanSubtree(snapshot, prior, collectedBlocks,
removedINodes, true);
} catch (QuotaExceededException e) {
LOG.error("should not exceed quota while snapshot deletion", e);
}
removedINodes);
} else if (referred.isDirectory()) {
// similarly, if referred is a directory, it must be an
// INodeDirectory with snapshot

7
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeSymlink.java
View File

@ -23,10 +23,7 @@ import java.util.List;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.fs.permission.PermissionStatus;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
import org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot;
import org.apache.hadoop.hdfs.server.namenode.AclFeature;
import org.apache.hadoop.hdfs.server.namenode.XAttrFeature;
/**
* An {@link INode} representing a symbolic link.
@ -47,7 +44,7 @@ public class INodeSymlink extends INodeWithAdditionalFields {
}
@Override
void recordModification(int latestSnapshotId) throws QuotaExceededException {
void recordModification(int latestSnapshotId) {
if (isInLatestSnapshot(latestSnapshotId)) {
INodeDirectory parent = getParent();
parent.saveChild2Snapshot(this, latestSnapshotId, new INodeSymlink(this));
@ -77,7 +74,7 @@ public class INodeSymlink extends INodeWithAdditionalFields {
@Override
public Quota.Counts cleanSubtree(final int snapshotId, int priorSnapshotId,
final BlocksMapUpdateInfo collectedBlocks,
final List<INode> removedINodes, final boolean countDiffChange) {
final List<INode> removedINodes) {
if (snapshotId == Snapshot.CURRENT_STATE_ID
&& priorSnapshotId == Snapshot.NO_SNAPSHOT_ID) {
destroyAndCollectBlocks(collectedBlocks, removedINodes);

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeWithAdditionalFields.java
View File

@ -20,7 +20,6 @@ package org.apache.hadoop.hdfs.server.namenode;
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.QuotaExceededException;
import org.apache.hadoop.hdfs.server.namenode.snapshot.Snapshot;
import org.apache.hadoop.hdfs.util.LongBitFormat;
import org.apache.hadoop.util.LightWeightGSet.LinkedElement;
@ -239,8 +238,7 @@ public abstract class INodeWithAdditionalFields extends INode
/** Update modification time if it is larger than the current value. */
@Override
public final INode updateModificationTime(long mtime, int latestSnapshotId)
throws QuotaExceededException {
public final INode updateModificationTime(long mtime, int latestSnapshotId) {
Preconditions.checkState(isDirectory());
if (mtime <= modificationTime) {
return this;

42
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/AbstractINodeDiffList.java
View File

@ -22,8 +22,6 @@ import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.apache.hadoop.hdfs.protocol.NSQuotaExceededException;
import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
import org.apache.hadoop.hdfs.server.namenode.INode;
import org.apache.hadoop.hdfs.server.namenode.INode.BlocksMapUpdateInfo;
import org.apache.hadoop.hdfs.server.namenode.INodeAttributes;
@ -71,8 +69,7 @@ abstract class AbstractINodeDiffList<N extends INode,
public final Quota.Counts deleteSnapshotDiff(final int snapshot,
final int prior, final N currentINode,
final BlocksMapUpdateInfo collectedBlocks,
final List<INode> removedINodes, boolean countDiffChange)
throws QuotaExceededException {
final List<INode> removedINodes) {
int snapshotIndex = Collections.binarySearch(diffs, snapshot);
Quota.Counts counts = Quota.Counts.newInstance();
@ -83,14 +80,6 @@ abstract class AbstractINodeDiffList<N extends INode,
diffs.get(snapshotIndex).setSnapshotId(prior);
} else { // there is no snapshot before
removed = diffs.remove(0);
if (countDiffChange) {
counts.add(Quota.NAMESPACE, 1);
} else {
// the currentINode must be a descendant of a WithName node, which set
// countDiffChange to false. In that case we should count in the diff
// change when updating the quota usage in the current tree
currentINode.addSpaceConsumed(-1, 0, false);
}
counts.add(removed.destroyDiffAndCollectBlocks(currentINode,
collectedBlocks, removedINodes));
}
@ -101,11 +90,6 @@ abstract class AbstractINodeDiffList<N extends INode,
} else {
// combine the to-be-removed diff with its previous diff
removed = diffs.remove(snapshotIndex);
if (countDiffChange) {
counts.add(Quota.NAMESPACE, 1);
} else {
currentINode.addSpaceConsumed(-1, 0, false);
}
if (previous.snapshotINode == null) {
previous.snapshotINode = removed.snapshotINode;
}
@ -120,9 +104,7 @@ abstract class AbstractINodeDiffList<N extends INode,
}
/** Add an {@link AbstractINodeDiff} for the given snapshot. */
final D addDiff(int latestSnapshotId, N currentINode)
throws QuotaExceededException {
currentINode.addSpaceConsumed(1, 0, true);
final D addDiff(int latestSnapshotId, N currentINode) {
return addLast(createDiff(latestSnapshotId, currentINode));
}
@ -275,26 +257,16 @@ abstract class AbstractINodeDiffList<N extends INode,
* Check if the latest snapshot diff exists. If not, add it.
* @return the latest snapshot diff, which is never null.
*/
final D checkAndAddLatestSnapshotDiff(int latestSnapshotId, N currentINode)
throws QuotaExceededException {
final D checkAndAddLatestSnapshotDiff(int latestSnapshotId, N currentINode) {
final D last = getLast();
if (last != null
&& Snapshot.ID_INTEGER_COMPARATOR.compare(last.getSnapshotId(),
latestSnapshotId) >= 0) {
return last;
} else {
try {
return addDiff(latestSnapshotId, currentINode);
} catch(NSQuotaExceededException e) {
e.setMessagePrefix("Failed to record modification for snapshot");
throw e;
}
}
return (last != null && Snapshot.ID_INTEGER_COMPARATOR
.compare(last.getSnapshotId(), latestSnapshotId) >= 0) ?
last : addDiff(latestSnapshotId, currentINode);
}
/** Save the snapshot copy to the latest snapshot. */
public D saveSelf2Snapshot(int latestSnapshotId, N currentINode,
A snapshotCopy) throws QuotaExceededException {
A snapshotCopy) {
D diff = null;
if (latestSnapshotId != Snapshot.CURRENT_STATE_ID) {
diff = checkAndAddLatestSnapshotDiff(latestSnapshotId, currentINode);

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/DirectorySnapshottableFeature.java
View File

@ -215,7 +215,7 @@ public class DirectorySnapshottableFeature extends DirectoryWithSnapshotFeature
int prior = Snapshot.findLatestSnapshot(snapshotRoot, snapshot.getId());
try {
Quota.Counts counts = snapshotRoot.cleanSubtree(snapshot.getId(),
prior, collectedBlocks, removedINodes, true);
prior, collectedBlocks, removedINodes);
INodeDirectory parent = snapshotRoot.getParent();
if (parent != null) {
// there will not be any WithName node corresponding to the deleted

38
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/DirectoryWithSnapshotFeature.java
View File

@ -70,7 +70,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
* Replace the given child from the created/deleted list.
* @return true if the child is replaced; false if the child is not found.
*/
private final boolean replace(final ListType type,
private boolean replace(final ListType type,
final INode oldChild, final INode newChild) {
final List<INode> list = getList(type);
final int i = search(list, oldChild.getLocalNameBytes());
@ -83,7 +83,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
return true;
}
private final boolean removeChild(ListType type, final INode child) {
private boolean removeChild(ListType type, final INode child) {
final List<INode> list = getList(type);
final int i = searchIndex(type, child.getLocalNameBytes());
if (i >= 0 && list.get(i) == child) {
@ -410,15 +410,14 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
&& snapshot != Snapshot.CURRENT_STATE_ID) {
// this inode has been renamed before the deletion of the DstReference
// subtree
inode.cleanSubtree(snapshot, prior, collectedBlocks, removedINodes,
true);
inode.cleanSubtree(snapshot, prior, collectedBlocks, removedINodes);
} else {
// for DstReference node, continue this process to its subtree
destroyDstSubtree(inode.asReference().getReferredINode(), snapshot,
prior, collectedBlocks, removedINodes);
}
} else if (inode.isFile()) {
inode.cleanSubtree(snapshot, prior, collectedBlocks, removedINodes, true);
inode.cleanSubtree(snapshot, prior, collectedBlocks, removedINodes);
} else if (inode.isDirectory()) {
Map<INode, INode> excludedNodes = null;
INodeDirectory dir = inode.asDirectory();
@ -433,7 +432,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
if (snapshot != Snapshot.CURRENT_STATE_ID) {
diffList.deleteSnapshotDiff(snapshot, prior, dir, collectedBlocks,
removedINodes, true);
removedINodes);
}
priorDiff = diffList.getDiffById(prior);
if (priorDiff != null && priorDiff.getSnapshotId() == prior) {
@ -463,8 +462,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
private static Quota.Counts cleanDeletedINode(INode inode,
final int post, final int prior,
final BlocksMapUpdateInfo collectedBlocks,
final List<INode> removedINodes, final boolean countDiffChange)
throws QuotaExceededException {
final List<INode> removedINodes) {
Quota.Counts counts = Quota.Counts.newInstance();
Deque<INode> queue = new ArrayDeque<INode>();
queue.addLast(inode);
@ -473,15 +471,14 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
if (topNode instanceof INodeReference.WithName) {
INodeReference.WithName wn = (INodeReference.WithName) topNode;
if (wn.getLastSnapshotId() >= post) {
wn.cleanSubtree(post, prior, collectedBlocks, removedINodes,
countDiffChange);
wn.cleanSubtree(post, prior, collectedBlocks, removedINodes);
}
// For DstReference node, since the node is not in the created list of
// prior, we should treat it as regular file/dir
} else if (topNode.isFile() && topNode.asFile().isWithSnapshot()) {
INodeFile file = topNode.asFile();
counts.add(file.getDiffs().deleteSnapshotDiff(post, prior, file,
collectedBlocks, removedINodes, countDiffChange));
collectedBlocks, removedINodes));
} else if (topNode.isDirectory()) {
INodeDirectory dir = topNode.asDirectory();
ChildrenDiff priorChildrenDiff = null;
@ -561,7 +558,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
* needs to make sure that parent is in the given snapshot "latest".
*/
public boolean removeChild(INodeDirectory parent, INode child,
int latestSnapshotId) throws QuotaExceededException {
int latestSnapshotId) {
// For a directory that is not a renamed node, if isInLatestSnapshot returns
// false, the directory is not in the latest snapshot, thus we do not need
// to record the removed child in any snapshot.
@ -607,8 +604,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
/** Used to record the modification of a symlink node */
public INode saveChild2Snapshot(INodeDirectory currentINode,
final INode child, final int latestSnapshotId, final INode snapshotCopy)
throws QuotaExceededException {
final INode child, final int latestSnapshotId, final INode snapshotCopy) {
Preconditions.checkArgument(!child.isDirectory(),
"child is a directory, child=%s", child);
Preconditions.checkArgument(latestSnapshotId != Snapshot.CURRENT_STATE_ID);
@ -640,7 +636,6 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
deleted.computeQuotaUsage(counts, false, Snapshot.CURRENT_STATE_ID);
}
}
counts.add(Quota.NAMESPACE, diffs.asList().size());
return counts;
}
@ -714,8 +709,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
public Quota.Counts cleanDirectory(final INodeDirectory currentINode,
final int snapshot, int prior,
final BlocksMapUpdateInfo collectedBlocks,
final List<INode> removedINodes, final boolean countDiffChange)
throws QuotaExceededException {
final List<INode> removedINodes) {
Quota.Counts counts = Quota.Counts.newInstance();
Map<INode, INode> priorCreated = null;
Map<INode, INode> priorDeleted = null;
@ -728,7 +722,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
collectedBlocks, removedINodes));
}
counts.add(currentINode.cleanSubtreeRecursively(snapshot, prior,
collectedBlocks, removedINodes, priorDeleted, countDiffChange));
collectedBlocks, removedINodes, priorDeleted));
} else {
// update prior
prior = getDiffs().updatePrior(snapshot, prior);
@ -745,9 +739,9 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
}
counts.add(getDiffs().deleteSnapshotDiff(snapshot, prior,
currentINode, collectedBlocks, removedINodes, countDiffChange));
currentINode, collectedBlocks, removedINodes));
counts.add(currentINode.cleanSubtreeRecursively(snapshot, prior,
collectedBlocks, removedINodes, priorDeleted, countDiffChange));
collectedBlocks, removedINodes, priorDeleted));
// check priorDiff again since it may be created during the diff deletion
if (prior != Snapshot.NO_SNAPSHOT_ID) {
@ -764,7 +758,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
ListType.CREATED)) {
if (priorCreated.containsKey(cNode)) {
counts.add(cNode.cleanSubtree(snapshot, Snapshot.NO_SNAPSHOT_ID,
collectedBlocks, removedINodes, countDiffChange));
collectedBlocks, removedINodes));
}
}
}
@ -781,7 +775,7 @@ public class DirectoryWithSnapshotFeature implements INode.Feature {
ListType.DELETED)) {
if (priorDeleted == null || !priorDeleted.containsKey(dNode)) {
counts.add(cleanDeletedINode(dNode, snapshot, prior,
collectedBlocks, removedINodes, countDiffChange));
collectedBlocks, removedINodes));
}
}
}

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/FileDiffList.java
View File

@ -20,7 +20,6 @@ package org.apache.hadoop.hdfs.server.namenode.snapshot;
import java.util.Collections;
import java.util.List;
import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo;
import org.apache.hadoop.hdfs.server.namenode.INode;
import org.apache.hadoop.hdfs.server.namenode.INode.BlocksMapUpdateInfo;
@ -48,8 +47,7 @@ public class FileDiffList extends
}
public void saveSelf2Snapshot(int latestSnapshotId, INodeFile iNodeFile,
INodeFileAttributes snapshotCopy, boolean withBlocks)
throws QuotaExceededException {
INodeFileAttributes snapshotCopy, boolean withBlocks) {
final FileDiff diff =
super.saveSelf2Snapshot(latestSnapshotId, iNodeFile, snapshotCopy);
if(withBlocks) // Store blocks if this is the first update

6
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/FileWithSnapshotFeature.java
View File

@ -20,7 +20,6 @@ package org.apache.hadoop.hdfs.server.namenode.snapshot;
import java.util.List;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo;
import org.apache.hadoop.hdfs.server.namenode.AclFeature;
import org.apache.hadoop.hdfs.server.namenode.INode;
@ -117,8 +116,7 @@ public class FileWithSnapshotFeature implements INode.Feature {
public Quota.Counts cleanFile(final INodeFile file, final int snapshotId,
int priorSnapshotId, final BlocksMapUpdateInfo collectedBlocks,
final List<INode> removedINodes, final boolean countDiffChange)
throws QuotaExceededException {
final List<INode> removedINodes) {
if (snapshotId == Snapshot.CURRENT_STATE_ID) {
// delete the current file while the file has snapshot feature
if (!isCurrentFileDeleted()) {
@ -130,7 +128,7 @@ public class FileWithSnapshotFeature implements INode.Feature {
} else { // delete the snapshot
priorSnapshotId = getDiffs().updatePrior(snapshotId, priorSnapshotId);
return diffs.deleteSnapshotDiff(snapshotId, priorSnapshotId, file,
collectedBlocks, removedINodes, countDiffChange);
collectedBlocks, removedINodes);
}
}

3
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestAclWithSnapshot.java
View File

@ -38,7 +38,6 @@ import org.apache.hadoop.hdfs.DFSTestUtil;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.protocol.NSQuotaExceededException;
import org.apache.hadoop.hdfs.protocol.SnapshotAccessControlException;
import org.apache.hadoop.hdfs.server.namenode.AclFeature;
import org.apache.hadoop.hdfs.server.namenode.AclStorage;
@ -611,7 +610,6 @@ public class TestAclWithSnapshot {
aclSpec = Lists.newArrayList(
aclEntry(ACCESS, USER, "bruce", READ));
exception.expect(NSQuotaExceededException.class);
hdfs.modifyAclEntries(filePath, aclSpec);
}
@ -647,7 +645,6 @@ public class TestAclWithSnapshot {
aclSpec = Lists.newArrayList(
aclEntry(ACCESS, USER, "bruce", READ));
exception.expect(NSQuotaExceededException.class);
hdfs.removeAcl(filePath);
}

41
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestNestedSnapshots.java
View File

@ -34,13 +34,11 @@ import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.protocol.NSQuotaExceededException;
import org.apache.hadoop.hdfs.protocol.SnapshotException;
import org.apache.hadoop.hdfs.server.namenode.EditLogFileOutputStream;
import org.apache.hadoop.hdfs.server.namenode.FSDirectory;
import org.apache.hadoop.hdfs.server.namenode.INode;
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
import org.apache.hadoop.ipc.RemoteException;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
@ -239,7 +237,7 @@ public class TestNestedSnapshots {
}
@Test (timeout=300000)
public void testSnapshotWithQuota() throws Exception {
public void testSnapshotName() throws Exception {
final String dirStr = "/testSnapshotWithQuota/dir";
final Path dir = new Path(dirStr);
hdfs.mkdirs(dir, new FsPermission((short)0777));
@ -266,43 +264,6 @@ public class TestNestedSnapshots {
Assert.assertEquals(HdfsConstants.DOT_SNAPSHOT_DIR, parent.getName());
Assert.assertEquals(dir, parent.getParent());
}
final Path f2 = new Path(foo, "f2");
DFSTestUtil.createFile(hdfs, f2, BLOCKSIZE, REPLICATION, SEED);
try {
// normal create file should fail with quota
final Path f3 = new Path(foo, "f3");
DFSTestUtil.createFile(hdfs, f3, BLOCKSIZE, REPLICATION, SEED);
Assert.fail();
} catch(NSQuotaExceededException e) {
SnapshotTestHelper.LOG.info("The exception is expected.", e);
}
try {
// createSnapshot should fail with quota
hdfs.createSnapshot(dir);
Assert.fail();
} catch(NSQuotaExceededException e) {
SnapshotTestHelper.LOG.info("The exception is expected.", e);
}
try {
// setPermission f1 should fail with quote since it cannot add diff.
hdfs.setPermission(f1, new FsPermission((short)0));
Assert.fail();
} catch(RemoteException e) {
Assert.assertSame(NSQuotaExceededException.class,
e.unwrapRemoteException().getClass());
SnapshotTestHelper.LOG.info("The exception is expected.", e);
}
// setPermission f2 since it was created after the snapshot
hdfs.setPermission(f2, new FsPermission((short)0));
// increase quota and retry the commands.
hdfs.setQuota(dir, NS_QUOTA + 2, HdfsConstants.QUOTA_DONT_SET);
hdfs.createSnapshot(dir, "s1");
hdfs.setPermission(foo, new FsPermission((short)0444));
}
/**

74
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestRenameWithSnapshots.java
View File

@ -50,7 +50,7 @@ import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.client.HdfsDataOutputStream.SyncFlag;
import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
import org.apache.hadoop.hdfs.protocol.NSQuotaExceededException;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffReportEntry;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport.DiffType;
@ -62,6 +62,7 @@ import org.apache.hadoop.hdfs.server.namenode.INodeDirectory;
import org.apache.hadoop.hdfs.server.namenode.INodeFile;
import org.apache.hadoop.hdfs.server.namenode.INodeReference;
import org.apache.hadoop.hdfs.server.namenode.INodeReference.WithCount;
import org.apache.hadoop.hdfs.server.namenode.INodesInPath;
import org.apache.hadoop.hdfs.server.namenode.Quota;
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.ChildrenDiff;
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiff;
@ -73,6 +74,7 @@ import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;
import org.mockito.internal.util.reflection.Whitebox;
/** Testing rename with snapshots. */
public class TestRenameWithSnapshots {
@ -1197,7 +1199,7 @@ public class TestRenameWithSnapshots {
restartClusterAndCheckImage(true);
// make sure the whole referred subtree has been destroyed
Quota.Counts q = fsdir.getRoot().getDirectoryWithQuotaFeature().getSpaceConsumed();
assertEquals(4, q.get(Quota.NAMESPACE));
assertEquals(3, q.get(Quota.NAMESPACE));
assertEquals(0, q.get(Quota.DISKSPACE));
hdfs.deleteSnapshot(sdir1, "s1");
@ -1558,29 +1560,34 @@ public class TestRenameWithSnapshots {
SnapshotTestHelper.createSnapshot(hdfs, dir1, "s1");
SnapshotTestHelper.createSnapshot(hdfs, dir2, "s2");
// set ns quota of dir2 to 5, so the current remaining is 2 (already has
// dir2, subdir2, and s2)
hdfs.setQuota(dir2, 5, Long.MAX_VALUE - 1);
// set ns quota of dir2 to 4, so the current remaining is 2 (already has
// dir2, and subdir2)
hdfs.setQuota(dir2, 4, Long.MAX_VALUE - 1);
final Path foo2 = new Path(subdir2, foo.getName());
FSDirectory fsdir2 = Mockito.spy(fsdir);
Mockito.doThrow(new NSQuotaExceededException("fake exception")).when(fsdir2)
.addLastINode((INodesInPath) Mockito.anyObject(),
(INode) Mockito.anyObject(), Mockito.anyBoolean());
Whitebox.setInternalState(fsn, "dir", fsdir2);
// rename /test/dir1/foo to /test/dir2/subdir2/foo.
// FSDirectory#verifyQuota4Rename will pass since foo/bar only be counted
// as 2 in NS quota. However, the rename operation will fail when adding
// foo to subdir2, since we will create a snapshot diff for subdir2.
// FSDirectory#verifyQuota4Rename will pass since the remaining quota is 2.
// However, the rename operation will fail since we let addLastINode throw
// NSQuotaExceededException
boolean rename = hdfs.rename(foo, foo2);
assertFalse(rename);
// check the undo
assertTrue(hdfs.exists(foo));
assertTrue(hdfs.exists(bar));
INodeDirectory dir1Node = fsdir.getINode4Write(dir1.toString())
INodeDirectory dir1Node = fsdir2.getINode4Write(dir1.toString())
.asDirectory();
List<INode> childrenList = ReadOnlyList.Util.asList(dir1Node
.getChildrenList(Snapshot.CURRENT_STATE_ID));
assertEquals(1, childrenList.size());
INode fooNode = childrenList.get(0);
assertTrue(fooNode.asDirectory().isWithSnapshot());
INode barNode = fsdir.getINode4Write(bar.toString());
INode barNode = fsdir2.getINode4Write(bar.toString());
assertTrue(barNode.getClass() == INodeFile.class);
assertSame(fooNode, barNode.getParent());
List<DirectoryDiff> diffList = dir1Node
@ -1591,17 +1598,17 @@ public class TestRenameWithSnapshots {
assertTrue(diff.getChildrenDiff().getList(ListType.DELETED).isEmpty());
// check dir2
INodeDirectory dir2Node = fsdir.getINode4Write(dir2.toString()).asDirectory();
INodeDirectory dir2Node = fsdir2.getINode4Write(dir2.toString()).asDirectory();
assertTrue(dir2Node.isSnapshottable());
Quota.Counts counts = dir2Node.computeQuotaUsage();
assertEquals(3, counts.get(Quota.NAMESPACE));
assertEquals(2, counts.get(Quota.NAMESPACE));
assertEquals(0, counts.get(Quota.DISKSPACE));
childrenList = ReadOnlyList.Util.asList(dir2Node.asDirectory()
.getChildrenList(Snapshot.CURRENT_STATE_ID));
assertEquals(1, childrenList.size());
INode subdir2Node = childrenList.get(0);
assertSame(dir2Node, subdir2Node.getParent());
assertSame(subdir2Node, fsdir.getINode4Write(subdir2.toString()));
assertSame(subdir2Node, fsdir2.getINode4Write(subdir2.toString()));
diffList = dir2Node.getDiffs().asList();
assertEquals(1, diffList.size());
diff = diffList.get(0);
@ -1628,27 +1635,28 @@ public class TestRenameWithSnapshots {
SnapshotTestHelper.createSnapshot(hdfs, dir1, "s1");
SnapshotTestHelper.createSnapshot(hdfs, dir2, "s2");
// set ns quota of dir2 to 4, so the current remaining is 0 (already has
// dir2, sub_dir2, subsub_dir2, and s2)
// set ns quota of dir2 to 4, so the current remaining is 1 (already has
// dir2, sub_dir2, and subsub_dir2)
hdfs.setQuota(dir2, 4, Long.MAX_VALUE - 1);
FSDirectory fsdir2 = Mockito.spy(fsdir);
Mockito.doThrow(new RuntimeException("fake exception")).when(fsdir2)
.removeLastINode((INodesInPath) Mockito.anyObject());
Whitebox.setInternalState(fsn, "dir", fsdir2);
// rename /test/dir1/foo to /test/dir2/sub_dir2/subsub_dir2.
// FSDirectory#verifyQuota4Rename will pass since foo only be counted
// as 1 in NS quota. However, the rename operation will fail when removing
// subsub_dir2 since this step tries to add a snapshot diff in sub_dir2.
// subsub_dir2.
try {
hdfs.rename(foo, subsub_dir2, Rename.OVERWRITE);
fail("Expect QuotaExceedException");
} catch (QuotaExceededException e) {
String msg = "Failed to record modification for snapshot: "
+ "The NameSpace quota (directories and files)"
+ " is exceeded: quota=4 file count=5";
} catch (Exception e) {
String msg = "fake exception";
GenericTestUtils.assertExceptionContains(msg, e);
}
// check the undo
assertTrue(hdfs.exists(foo));
INodeDirectory dir1Node = fsdir.getINode4Write(dir1.toString())
INodeDirectory dir1Node = fsdir2.getINode4Write(dir1.toString())
.asDirectory();
List<INode> childrenList = ReadOnlyList.Util.asList(dir1Node
.getChildrenList(Snapshot.CURRENT_STATE_ID));
@ -1664,19 +1672,18 @@ public class TestRenameWithSnapshots {
assertTrue(diff.getChildrenDiff().getList(ListType.DELETED).isEmpty());
// check dir2
INodeDirectory dir2Node = fsdir.getINode4Write(dir2.toString()).asDirectory();
INodeDirectory dir2Node = fsdir2.getINode4Write(dir2.toString()).asDirectory();
assertTrue(dir2Node.isSnapshottable());
Quota.Counts counts = dir2Node.computeQuotaUsage();
assertEquals(4, counts.get(Quota.NAMESPACE));
assertEquals(3, counts.get(Quota.NAMESPACE));
assertEquals(0, counts.get(Quota.DISKSPACE));
childrenList = ReadOnlyList.Util.asList(dir2Node.asDirectory()
.getChildrenList(Snapshot.CURRENT_STATE_ID));
assertEquals(1, childrenList.size());
INode subdir2Node = childrenList.get(0);
assertTrue(subdir2Node.asDirectory().isWithSnapshot());
assertSame(dir2Node, subdir2Node.getParent());
assertSame(subdir2Node, fsdir.getINode4Write(sub_dir2.toString()));
INode subsubdir2Node = fsdir.getINode4Write(subsub_dir2.toString());
assertSame(subdir2Node, fsdir2.getINode4Write(sub_dir2.toString()));
INode subsubdir2Node = fsdir2.getINode4Write(subsub_dir2.toString());
assertTrue(subsubdir2Node.getClass() == INodeDirectory.class);
assertSame(subdir2Node, subsubdir2Node.getParent());
@ -1685,9 +1692,6 @@ public class TestRenameWithSnapshots {
diff = diffList.get(0);
assertTrue(diff.getChildrenDiff().getList(ListType.CREATED).isEmpty());
assertTrue(diff.getChildrenDiff().getList(ListType.DELETED).isEmpty());
diffList = subdir2Node.asDirectory().getDiffs().asList();
assertEquals(0, diffList.size());
}
/**
@ -1787,7 +1791,7 @@ public class TestRenameWithSnapshots {
INode dir2Node = fsdir.getINode4Write(dir2.toString());
assertTrue(dir2Node.asDirectory().isSnapshottable());
Quota.Counts counts = dir2Node.computeQuotaUsage();
assertEquals(7, counts.get(Quota.NAMESPACE));
assertEquals(4, counts.get(Quota.NAMESPACE));
assertEquals(BLOCKSIZE * REPL * 2, counts.get(Quota.DISKSPACE));
}
@ -1955,11 +1959,11 @@ public class TestRenameWithSnapshots {
final INodeDirectory dir1Node = fsdir.getINode4Write(sdir1.toString())
.asDirectory();
Quota.Counts q1 = dir1Node.getDirectoryWithQuotaFeature().getSpaceConsumed();
assertEquals(4, q1.get(Quota.NAMESPACE));
assertEquals(3, q1.get(Quota.NAMESPACE));
final INodeDirectory dir2Node = fsdir.getINode4Write(sdir2.toString())
.asDirectory();
Quota.Counts q2 = dir2Node.getDirectoryWithQuotaFeature().getSpaceConsumed();
assertEquals(2, q2.get(Quota.NAMESPACE));
assertEquals(1, q2.get(Quota.NAMESPACE));
final Path foo_s1 = SnapshotTestHelper.getSnapshotPath(sdir1, "s1",
foo.getName());
@ -2025,11 +2029,11 @@ public class TestRenameWithSnapshots {
.asDirectory();
// sdir1 + s1 + foo_s1 (foo) + foo (foo + s1 + bar~bar3)
Quota.Counts q1 = dir1Node.getDirectoryWithQuotaFeature().getSpaceConsumed();
assertEquals(9, q1.get(Quota.NAMESPACE));
assertEquals(7, q1.get(Quota.NAMESPACE));
final INodeDirectory dir2Node = fsdir.getINode4Write(sdir2.toString())
.asDirectory();
Quota.Counts q2 = dir2Node.getDirectoryWithQuotaFeature().getSpaceConsumed();
assertEquals(2, q2.get(Quota.NAMESPACE));
assertEquals(1, q2.get(Quota.NAMESPACE));
final Path foo_s1 = SnapshotTestHelper.getSnapshotPath(sdir1, "s1",
foo.getName());

119
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotDeletion.java
View File

@ -263,7 +263,7 @@ public class TestSnapshotDeletion {
BlockInfo[] blocks = temp.getBlocks();
hdfs.delete(tempDir, true);
// check dir's quota usage
checkQuotaUsageComputation(dir, 9L, BLOCKSIZE * REPLICATION * 3);
checkQuotaUsageComputation(dir, 8, BLOCKSIZE * REPLICATION * 3);
// check blocks of tempFile
for (BlockInfo b : blocks) {
assertNull(blockmanager.getBlockCollection(b));
@ -279,7 +279,7 @@ public class TestSnapshotDeletion {
// create snapshot s1
SnapshotTestHelper.createSnapshot(hdfs, dir, "s1");
// check dir's quota usage
checkQuotaUsageComputation(dir, 14L, BLOCKSIZE * REPLICATION * 4);
checkQuotaUsageComputation(dir, 9L, BLOCKSIZE * REPLICATION * 4);
// get two snapshots for later use
Snapshot snapshot0 = fsdir.getINode(dir.toString()).asDirectory()
@ -295,7 +295,7 @@ public class TestSnapshotDeletion {
hdfs.delete(noChangeDirParent, true);
// while deletion, we add a diff for metaChangeFile2 as its snapshot copy
// for s1, we also add diffs for both sub and noChangeDirParent
checkQuotaUsageComputation(dir, 17L, BLOCKSIZE * REPLICATION * 4);
checkQuotaUsageComputation(dir, 9L, BLOCKSIZE * REPLICATION * 4);
// check the snapshot copy of noChangeDir
Path snapshotNoChangeDir = SnapshotTestHelper.getSnapshotPath(dir, "s1",
@ -337,11 +337,11 @@ public class TestSnapshotDeletion {
final INodeFile newFileNode = TestSnapshotBlocksMap.assertBlockCollection(
newFile.toString(), 1, fsdir, blockmanager);
blocks = newFileNode.getBlocks();
checkQuotaUsageComputation(dir, 18L, BLOCKSIZE * REPLICATION * 5);
checkQuotaUsageComputation(dir, 10L, BLOCKSIZE * REPLICATION * 5);
hdfs.delete(sub, true);
// while deletion, we add diff for subsub and metaChangeFile1, and remove
// newFile
checkQuotaUsageComputation(dir, 19L, BLOCKSIZE * REPLICATION * 4);
checkQuotaUsageComputation(dir, 9L, BLOCKSIZE * REPLICATION * 4);
for (BlockInfo b : blocks) {
assertNull(blockmanager.getBlockCollection(b));
}
@ -426,13 +426,13 @@ public class TestSnapshotDeletion {
// create snapshot s1 for sub
SnapshotTestHelper.createSnapshot(hdfs, sub, snapshotName);
// check quota usage computation
checkQuotaUsageComputation(sub, 4, BLOCKSIZE * REPLICATION * 2);
checkQuotaUsageComputation(sub, 3, BLOCKSIZE * REPLICATION * 2);
// delete s1
hdfs.deleteSnapshot(sub, snapshotName);
checkQuotaUsageComputation(sub, 3, BLOCKSIZE * REPLICATION * 2);
// now we can create a snapshot with the same name
hdfs.createSnapshot(sub, snapshotName);
checkQuotaUsageComputation(sub, 4, BLOCKSIZE * REPLICATION * 2);
checkQuotaUsageComputation(sub, 3, BLOCKSIZE * REPLICATION * 2);
// create a new file under sub
Path newFile = new Path(sub, "newFile");
@ -440,14 +440,14 @@ public class TestSnapshotDeletion {
// create another snapshot s2
String snapshotName2 = "s2";
hdfs.createSnapshot(sub, snapshotName2);
checkQuotaUsageComputation(sub, 6, BLOCKSIZE * REPLICATION * 3);
checkQuotaUsageComputation(sub, 4, BLOCKSIZE * REPLICATION * 3);
// Get the filestatus of sub under snapshot s2
Path ss = SnapshotTestHelper
.getSnapshotPath(sub, snapshotName2, "newFile");
FileStatus statusBeforeDeletion = hdfs.getFileStatus(ss);
// delete s1
hdfs.deleteSnapshot(sub, snapshotName);
checkQuotaUsageComputation(sub, 5, BLOCKSIZE * REPLICATION * 3);
checkQuotaUsageComputation(sub, 4, BLOCKSIZE * REPLICATION * 3);
FileStatus statusAfterDeletion = hdfs.getFileStatus(ss);
System.out.println("Before deletion: " + statusBeforeDeletion.toString()
+ "\n" + "After deletion: " + statusAfterDeletion.toString());
@ -483,28 +483,28 @@ public class TestSnapshotDeletion {
// create snapshot s0 on dir
SnapshotTestHelper.createSnapshot(hdfs, dir, "s0");
checkQuotaUsageComputation(dir, 8, 3 * BLOCKSIZE * REPLICATION);
checkQuotaUsageComputation(dir, 7, 3 * BLOCKSIZE * REPLICATION);
// delete /TestSnapshot/sub/noChangeDir/metaChangeDir/toDeleteFile
hdfs.delete(toDeleteFile, true);
// the deletion adds diff of toDeleteFile and metaChangeDir
checkQuotaUsageComputation(dir, 10, 3 * BLOCKSIZE * REPLICATION);
checkQuotaUsageComputation(dir, 7, 3 * BLOCKSIZE * REPLICATION);
// change metadata of /TestSnapshot/sub/noChangeDir/metaChangeDir and
// /TestSnapshot/sub/noChangeDir/metaChangeFile
hdfs.setReplication(metaChangeFile, REPLICATION_1);
hdfs.setOwner(metaChangeDir, "unknown", "unknown");
checkQuotaUsageComputation(dir, 11, 3 * BLOCKSIZE * REPLICATION);
checkQuotaUsageComputation(dir, 7, 3 * BLOCKSIZE * REPLICATION);
// create snapshot s1 on dir
hdfs.createSnapshot(dir, "s1");
checkQuotaUsageComputation(dir, 12, 3 * BLOCKSIZE * REPLICATION);
checkQuotaUsageComputation(dir, 7, 3 * BLOCKSIZE * REPLICATION);
// delete snapshot s0
hdfs.deleteSnapshot(dir, "s0");
// namespace: remove toDeleteFile and its diff, metaChangeFile's diff,
// metaChangeDir's diff, dir's diff. diskspace: remove toDeleteFile, and
// metaChangeFile's replication factor decreases
checkQuotaUsageComputation(dir, 7, 2 * BLOCKSIZE * REPLICATION - BLOCKSIZE);
checkQuotaUsageComputation(dir, 6, 2 * BLOCKSIZE * REPLICATION - BLOCKSIZE);
for (BlockInfo b : blocks) {
assertNull(blockmanager.getBlockCollection(b));
}
@ -679,21 +679,21 @@ public class TestSnapshotDeletion {
// create another snapshot
SnapshotTestHelper.createSnapshot(hdfs, dir, "s2");
checkQuotaUsageComputation(dir, 11, BLOCKSIZE * 2 * REPLICATION);
checkQuotaUsageComputation(dir, 7, BLOCKSIZE * 2 * REPLICATION);
// delete subsubdir and subDir2
hdfs.delete(subsubDir, true);
hdfs.delete(subDir2, true);
// add diff of s2 to subDir1, subsubDir, and subDir2
checkQuotaUsageComputation(dir, 14, BLOCKSIZE * 2 * REPLICATION);
checkQuotaUsageComputation(dir, 7, BLOCKSIZE * 2 * REPLICATION);
// delete snapshot s2
hdfs.deleteSnapshot(dir, "s2");
// delete s2 diff in dir, subDir2, and subsubDir. Delete newFile, newDir,
// and newFile2. Rename s2 diff to s1 for subDir1
checkQuotaUsageComputation(dir, 8, 0);
checkQuotaUsageComputation(dir, 4, 0);
// Check rename of snapshot diff in subDir1
Path subdir1_s1 = SnapshotTestHelper.getSnapshotPath(dir, "s1",
subDir1.getName());
@ -714,7 +714,6 @@ public class TestSnapshotDeletion {
int dirNodeNum) throws Exception {
Path modDir = modDirStr.isEmpty() ? snapshotRoot : new Path(snapshotRoot,
modDirStr);
final int delta = modDirStr.isEmpty() ? 0 : 1;
Path file10 = new Path(modDir, "file10");
Path file11 = new Path(modDir, "file11");
Path file12 = new Path(modDir, "file12");
@ -728,72 +727,59 @@ public class TestSnapshotDeletion {
// create snapshot s1 for snapshotRoot
SnapshotTestHelper.createSnapshot(hdfs, snapshotRoot, "s1");
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 5, 8 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 4, 8 * BLOCKSIZE);
// delete file11
hdfs.delete(file11, true);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 6 + delta,
8 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 4, 8 * BLOCKSIZE);
// modify file12
hdfs.setReplication(file12, REPLICATION);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 7 + delta,
9 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 4, 9 * BLOCKSIZE);
// modify file13
hdfs.setReplication(file13, REPLICATION);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 8 + delta,
10 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 4, 10 * BLOCKSIZE);
// create file14
DFSTestUtil.createFile(hdfs, file14, BLOCKSIZE, REPLICATION, seed);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 9 + delta,
13 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 5, 13 * BLOCKSIZE);
// create file15
DFSTestUtil.createFile(hdfs, file15, BLOCKSIZE, REPLICATION, seed);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 10 + delta,
16 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 6, 16 * BLOCKSIZE);
// create snapshot s2 for snapshotRoot
hdfs.createSnapshot(snapshotRoot, "s2");
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 11 + delta,
16 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 6, 16 * BLOCKSIZE);
// create file11 again: (0, d) + (c, 0)
DFSTestUtil.createFile(hdfs, file11, BLOCKSIZE, REPLICATION, seed);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 12 + delta * 2,
19 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 7, 19 * BLOCKSIZE);
// delete file12
hdfs.delete(file12, true);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 13 + delta * 2,
19 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 7, 19 * BLOCKSIZE);
// modify file13
hdfs.setReplication(file13, (short) (REPLICATION - 2));
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 14 + delta * 2,
19 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 7, 19 * BLOCKSIZE);
// delete file14: (c, 0) + (0, d)
hdfs.delete(file14, true);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 15 + delta * 2,
19 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 7, 19 * BLOCKSIZE);
// modify file15
hdfs.setReplication(file15, REPLICATION_1);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 16 + delta * 2,
19 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 7, 19 * BLOCKSIZE);
// create snapshot s3 for snapshotRoot
hdfs.createSnapshot(snapshotRoot, "s3");
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 17 + delta * 2,
19 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 7, 19 * BLOCKSIZE);
// modify file10, to check if the posterior diff was set correctly
hdfs.setReplication(file10, REPLICATION);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 18 + delta * 2,
20 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 7, 20 * BLOCKSIZE);
Path file10_s1 = SnapshotTestHelper.getSnapshotPath(snapshotRoot, "s1",
modDirStr + "file10");
@ -819,8 +805,7 @@ public class TestSnapshotDeletion {
// delete s2, in which process we need to combine the diff in s2 to s1
hdfs.deleteSnapshot(snapshotRoot, "s2");
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 12 + delta,
14 * BLOCKSIZE);
checkQuotaUsageComputation(snapshotRoot, dirNodeNum + 6, 14 * BLOCKSIZE);
// check the correctness of s1
FileStatus statusAfterDeletion10 = hdfs.getFileStatus(file10_s1);
@ -873,23 +858,23 @@ public class TestSnapshotDeletion {
// create snapshot s1 for sub1, and change the metadata of sub1
SnapshotTestHelper.createSnapshot(hdfs, sub, "s1");
checkQuotaUsageComputation(sub, 3, BLOCKSIZE * 3);
checkQuotaUsageComputation(sub, 2, BLOCKSIZE * 3);
hdfs.setOwner(sub, "user2", "group2");
checkQuotaUsageComputation(sub, 3, BLOCKSIZE * 3);
checkQuotaUsageComputation(sub, 2, BLOCKSIZE * 3);
// create snapshot s2 for sub1, but do not modify sub1 afterwards
hdfs.createSnapshot(sub, "s2");
checkQuotaUsageComputation(sub, 4, BLOCKSIZE * 3);
checkQuotaUsageComputation(sub, 2, BLOCKSIZE * 3);
// create snapshot s3 for sub1, and change the metadata of sub1
hdfs.createSnapshot(sub, "s3");
checkQuotaUsageComputation(sub, 5, BLOCKSIZE * 3);
checkQuotaUsageComputation(sub, 2, BLOCKSIZE * 3);
hdfs.setOwner(sub, "user3", "group3");
checkQuotaUsageComputation(sub, 5, BLOCKSIZE * 3);
checkQuotaUsageComputation(sub, 2, BLOCKSIZE * 3);
// delete snapshot s3
hdfs.deleteSnapshot(sub, "s3");
checkQuotaUsageComputation(sub, 4, BLOCKSIZE * 3);
checkQuotaUsageComputation(sub, 2, BLOCKSIZE * 3);
// check sub1's metadata in snapshot s2
FileStatus statusOfS2 = hdfs.getFileStatus(new Path(sub,
@ -899,7 +884,7 @@ public class TestSnapshotDeletion {
// delete snapshot s2
hdfs.deleteSnapshot(sub, "s2");
checkQuotaUsageComputation(sub, 3, BLOCKSIZE * 3);
checkQuotaUsageComputation(sub, 2, BLOCKSIZE * 3);
// check sub1's metadata in snapshot s1
FileStatus statusOfS1 = hdfs.getFileStatus(new Path(sub,
@ -957,34 +942,34 @@ public class TestSnapshotDeletion {
// create snapshot s0 on sub
SnapshotTestHelper.createSnapshot(hdfs, sub, "s0");
checkQuotaUsageComputation(sub, 5, BLOCKSIZE * 6);
checkQuotaUsageComputation(sub, 4, BLOCKSIZE * 6);
// make some changes on both sub and subsub
final Path subFile1 = new Path(sub, "file1");
final Path subsubFile1 = new Path(subsub, "file1");
DFSTestUtil.createFile(hdfs, subFile1, BLOCKSIZE, REPLICATION_1, seed);
DFSTestUtil.createFile(hdfs, subsubFile1, BLOCKSIZE, REPLICATION, seed);
checkQuotaUsageComputation(sub, 8, BLOCKSIZE * 11);
checkQuotaUsageComputation(sub, 6, BLOCKSIZE * 11);
// create snapshot s1 on sub
SnapshotTestHelper.createSnapshot(hdfs, sub, "s1");
checkQuotaUsageComputation(sub, 9, BLOCKSIZE * 11);
checkQuotaUsageComputation(sub, 6, BLOCKSIZE * 11);
// create snapshot s2 on dir
SnapshotTestHelper.createSnapshot(hdfs, dir, "s2");
checkQuotaUsageComputation(dir, 11, BLOCKSIZE * 11);
checkQuotaUsageComputation(sub, 9, BLOCKSIZE * 11);
checkQuotaUsageComputation(dir, 7, BLOCKSIZE * 11);
checkQuotaUsageComputation(sub, 6, BLOCKSIZE * 11);
// make changes on subsub and subsubFile1
hdfs.setOwner(subsub, "unknown", "unknown");
hdfs.setReplication(subsubFile1, REPLICATION_1);
checkQuotaUsageComputation(dir, 13, BLOCKSIZE * 11);
checkQuotaUsageComputation(sub, 11, BLOCKSIZE * 11);
checkQuotaUsageComputation(dir, 7, BLOCKSIZE * 11);
checkQuotaUsageComputation(sub, 6, BLOCKSIZE * 11);
// make changes on sub
hdfs.delete(subFile1, true);
checkQuotaUsageComputation(new Path("/"), 16, BLOCKSIZE * 11);
checkQuotaUsageComputation(dir, 15, BLOCKSIZE * 11);
checkQuotaUsageComputation(sub, 13, BLOCKSIZE * 11);
checkQuotaUsageComputation(new Path("/"), 8, BLOCKSIZE * 11);
checkQuotaUsageComputation(dir, 7, BLOCKSIZE * 11);
checkQuotaUsageComputation(sub, 6, BLOCKSIZE * 11);
Path subsubSnapshotCopy = SnapshotTestHelper.getSnapshotPath(dir, "s2",
sub.getName() + Path.SEPARATOR + subsub.getName());
@ -1003,9 +988,9 @@ public class TestSnapshotDeletion {
// delete snapshot s2
hdfs.deleteSnapshot(dir, "s2");
checkQuotaUsageComputation(new Path("/"), 14, BLOCKSIZE * 11);
checkQuotaUsageComputation(dir, 13, BLOCKSIZE * 11);
checkQuotaUsageComputation(sub, 12, BLOCKSIZE * 11);
checkQuotaUsageComputation(new Path("/"), 8, BLOCKSIZE * 11);
checkQuotaUsageComputation(dir, 7, BLOCKSIZE * 11);
checkQuotaUsageComputation(sub, 6, BLOCKSIZE * 11);
// no snapshot copy for s2
try {

71
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestXAttrWithSnapshot.java
View File

@ -343,77 +343,6 @@ public class TestXAttrWithSnapshot {
hdfs.removeXAttr(snapshotPath, name1);
}
/**
* Assert exception of setting xattr when exceeding quota.
*/
@Test
public void testSetXAttrExceedsQuota() throws Exception {
Path filePath = new Path(path, "file1");
Path fileSnapshotPath = new Path(snapshotPath, "file1");
FileSystem.mkdirs(hdfs, path, FsPermission.createImmutable((short) 0755));
hdfs.allowSnapshot(path);
hdfs.setQuota(path, 3, HdfsConstants.QUOTA_DONT_SET);
FileSystem.create(hdfs, filePath,
FsPermission.createImmutable((short) 0600)).close();
hdfs.setXAttr(filePath, name1, value1);
hdfs.createSnapshot(path, snapshotName);
byte[] value = hdfs.getXAttr(filePath, name1);
Assert.assertArrayEquals(value, value1);
value = hdfs.getXAttr(fileSnapshotPath, name1);
Assert.assertArrayEquals(value, value1);
exception.expect(NSQuotaExceededException.class);
hdfs.setXAttr(filePath, name2, value2);
}
/**
* Test that an exception is thrown when adding an XAttr Feature to
* a snapshotted path
*/
@Test
public void testSetXAttrAfterSnapshotExceedsQuota() throws Exception {
Path filePath = new Path(path, "file1");
FileSystem.mkdirs(hdfs, path, FsPermission.createImmutable((short) 0755));
hdfs.allowSnapshot(path);
hdfs.setQuota(path, 3, HdfsConstants.QUOTA_DONT_SET);
FileSystem.create(hdfs, filePath,
FsPermission.createImmutable((short) 0600)).close();
hdfs.createSnapshot(path, snapshotName);
// This adds an XAttr feature, which can throw an exception
exception.expect(NSQuotaExceededException.class);
hdfs.setXAttr(filePath, name1, value1);
}
/**
* Assert exception of removing xattr when exceeding quota.
*/
@Test
public void testRemoveXAttrExceedsQuota() throws Exception {
Path filePath = new Path(path, "file1");
Path fileSnapshotPath = new Path(snapshotPath, "file1");
FileSystem.mkdirs(hdfs, path, FsPermission.createImmutable((short) 0755));
hdfs.allowSnapshot(path);
hdfs.setQuota(path, 3, HdfsConstants.QUOTA_DONT_SET);
FileSystem.create(hdfs, filePath,
FsPermission.createImmutable((short) 0600)).close();
hdfs.setXAttr(filePath, name1, value1);
hdfs.createSnapshot(path, snapshotName);
byte[] value = hdfs.getXAttr(filePath, name1);
Assert.assertArrayEquals(value, value1);
value = hdfs.getXAttr(fileSnapshotPath, name1);
Assert.assertArrayEquals(value, value1);
exception.expect(NSQuotaExceededException.class);
hdfs.removeXAttr(filePath, name1);
}
/**
* Test that users can copy a snapshot while preserving its xattrs.
*/