HDFS-7034. Archival Storage: Fix TestBlockPlacement and TestStorageMover. Contributed by Jing Zhao.
This commit is contained in:
parent
70dfe9cfab
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0d85f7e591
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@ -49,6 +49,7 @@ import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.classification.InterfaceAudience;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.CommonConfigurationKeys;
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import org.apache.hadoop.hdfs.DFSConfigKeys;
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import org.apache.hadoop.hdfs.DFSUtil;
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import org.apache.hadoop.hdfs.DistributedFileSystem;
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import org.apache.hadoop.hdfs.StorageType;
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@ -88,7 +89,11 @@ public class Dispatcher {
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private static final long MAX_BLOCKS_SIZE_TO_FETCH = 2 * GB;
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private static final int MAX_NO_PENDING_MOVE_ITERATIONS = 5;
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private static final long DELAY_AFTER_ERROR = 10 * 1000L; // 10 seconds
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/**
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* the period of time to delay the usage of a DataNode after hitting
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* errors when using it for migrating data
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*/
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private static long delayAfterErrors = 10 * 1000;
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private final NameNodeConnector nnc;
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private final SaslDataTransferClient saslClient;
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@ -112,6 +117,7 @@ public class Dispatcher {
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private final ExecutorService moveExecutor;
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private final ExecutorService dispatchExecutor;
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/** The maximum number of concurrent blocks moves at a datanode */
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private final int maxConcurrentMovesPerNode;
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@ -187,10 +193,12 @@ public class Dispatcher {
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@Override
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public String toString() {
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final Block b = block.getBlock();
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return b + " with size=" + b.getNumBytes() + " from "
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+ source.getDisplayName() + " to " + target.getDisplayName()
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+ " through " + proxySource.datanode;
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final Block b = block != null ? block.getBlock() : null;
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String bStr = b != null ? (b + " with size=" + b.getNumBytes() + " ")
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: " ";
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return bStr + "from " + source.getDisplayName() + " to " + target
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.getDisplayName() + " through " + (proxySource != null ? proxySource
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.datanode : "");
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}
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/**
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@ -316,8 +324,8 @@ public class Dispatcher {
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// further in order to avoid a potential storm of "threads quota
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// exceeded" warnings when the dispatcher gets out of sync with work
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// going on in datanodes.
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proxySource.activateDelay(DELAY_AFTER_ERROR);
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target.getDDatanode().activateDelay(DELAY_AFTER_ERROR);
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proxySource.activateDelay(delayAfterErrors);
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target.getDDatanode().activateDelay(delayAfterErrors);
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} finally {
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IOUtils.closeStream(out);
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IOUtils.closeStream(in);
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@ -1043,6 +1051,11 @@ public class Dispatcher {
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blockMoveWaitTime = time;
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}
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@VisibleForTesting
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public static void setDelayAfterErrors(long time) {
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delayAfterErrors = time;
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}
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/** shutdown thread pools */
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public void shutdownNow() {
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if (dispatchExecutor != null) {
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@ -25,13 +25,16 @@ import java.net.InetAddress;
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import java.net.URI;
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import java.util.*;
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import com.google.common.annotations.VisibleForTesting;
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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.conf.Configuration;
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import org.apache.hadoop.fs.FSDataOutputStream;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.FsServerDefaults;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hdfs.DFSConfigKeys;
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import org.apache.hadoop.hdfs.DistributedFileSystem;
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import org.apache.hadoop.hdfs.NameNodeProxies;
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import org.apache.hadoop.hdfs.protocol.AlreadyBeingCreatedException;
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@ -53,6 +56,7 @@ public class NameNodeConnector implements Closeable {
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private static final Log LOG = LogFactory.getLog(NameNodeConnector.class);
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private static final int MAX_NOT_CHANGED_ITERATIONS = 5;
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private static boolean createIdFile = true;
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/** Create {@link NameNodeConnector} for the given namenodes. */
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public static List<NameNodeConnector> newNameNodeConnectors(
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@ -83,6 +87,11 @@ public class NameNodeConnector implements Closeable {
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return connectors;
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}
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@VisibleForTesting
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public static void setCreateIdFile(boolean create) {
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createIdFile = create;
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}
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private final URI nameNodeUri;
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private final String blockpoolID;
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@ -117,9 +126,10 @@ public class NameNodeConnector implements Closeable {
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final FsServerDefaults defaults = fs.getServerDefaults(new Path("/"));
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this.keyManager = new KeyManager(blockpoolID, namenode,
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defaults.getEncryptDataTransfer(), conf);
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// if it is for test, we do not create the id file
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out = createIdFile ? checkAndMarkRunning() : null;
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if (createIdFile && out == null) {
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// Exit if there is another one running.
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out = checkAndMarkRunning();
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if (out == null) {
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throw new IOException("Another " + name + " is running.");
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}
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}
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@ -188,9 +198,9 @@ public class NameNodeConnector implements Closeable {
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*/
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private OutputStream checkAndMarkRunning() throws IOException {
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try {
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final DataOutputStream out = fs.create(idPath);
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final FSDataOutputStream out = fs.create(idPath);
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out.writeBytes(InetAddress.getLocalHost().getHostName());
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out.flush();
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out.hflush();
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return out;
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} catch(RemoteException e) {
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if(AlreadyBeingCreatedException.class.getName().equals(e.getClassName())){
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@ -1502,7 +1502,7 @@ public class BlockManager {
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* @throws IOException
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* if the number of targets < minimum replication.
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* @see BlockPlacementPolicy#chooseTarget(String, int, Node,
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* List, boolean, Set, long, StorageType)
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* Set, long, List, BlockStoragePolicy)
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*/
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public DatanodeStorageInfo[] chooseTarget4NewBlock(final String src,
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final int numOfReplicas, final DatanodeDescriptor client,
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@ -2811,7 +2811,7 @@ public class BlockManager {
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return false; // only consider delHint for the first case
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} else if (delHint == null) {
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return false; // no delHint
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} else if (!excessTypes.remove(delHint.getStorageType())) {
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} else if (!excessTypes.contains(delHint.getStorageType())) {
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return false; // delHint storage type is not an excess type
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} else {
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// check if removing delHint reduces the number of racks
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@ -1744,7 +1744,9 @@ public class DataNode extends Configured
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+ b + " (numBytes=" + b.getNumBytes() + ")"
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+ ", stage=" + stage
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+ ", clientname=" + clientname
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+ ", targets=" + Arrays.asList(targets));
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+ ", targets=" + Arrays.asList(targets)
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+ ", target storage types=" + (targetStorageTypes == null ? "[]" :
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Arrays.asList(targetStorageTypes)));
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}
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this.targets = targets;
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this.targetStorageTypes = targetStorageTypes;
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@ -328,8 +328,6 @@ public class Mover {
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if (scheduleMoves4Block(diff, lb)) {
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hasRemaining |= (diff.existing.size() > 1 &&
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diff.expected.size() > 1);
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} else {
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hasRemaining = false; // not able to schedule any move
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}
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}
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}
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@ -453,9 +451,11 @@ public class Mover {
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static int run(Map<URI, List<Path>> namenodes, Configuration conf)
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throws IOException, InterruptedException {
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final long sleeptime = 2000 * conf.getLong(
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DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_KEY,
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DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_DEFAULT);
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final long sleeptime =
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conf.getLong(DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_KEY,
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DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_DEFAULT) * 2000 +
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conf.getLong(DFSConfigKeys.DFS_NAMENODE_REPLICATION_INTERVAL_KEY,
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DFSConfigKeys.DFS_NAMENODE_REPLICATION_INTERVAL_DEFAULT) * 1000;
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LOG.info("namenodes = " + namenodes);
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List<NameNodeConnector> connectors = Collections.emptyList();
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@ -256,7 +256,7 @@ public class TestBlockStoragePolicy {
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final short replication = 3;
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{
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final List<StorageType> chosen = Arrays.asList();
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final List<StorageType> chosen = Lists.newArrayList();
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method.checkChooseStorageTypes(hot, replication, chosen,
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StorageType.DISK, StorageType.DISK, StorageType.DISK);
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method.checkChooseStorageTypes(warm, replication, chosen,
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@ -393,7 +393,7 @@ public class TestBlockStoragePolicy {
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final EnumSet<StorageType> unavailables = disk;
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final boolean isNewBlock = true;
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{
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final List<StorageType> chosen = Arrays.asList();
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final List<StorageType> chosen = Lists.newArrayList();
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checkChooseStorageTypes(hot, replication, chosen, unavailables, isNewBlock);
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checkChooseStorageTypes(warm, replication, chosen, unavailables, isNewBlock,
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StorageType.ARCHIVE, StorageType.ARCHIVE, StorageType.ARCHIVE);
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@ -500,7 +500,7 @@ public class TestBlockStoragePolicy {
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final short replication = 3;
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{
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final List<StorageType> chosen = Arrays.asList();
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final List<StorageType> chosen = Lists.newArrayList();
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method.checkChooseStorageTypes(hot, replication, chosen,
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StorageType.DISK, StorageType.DISK, StorageType.DISK);
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method.checkChooseStorageTypes(warm, replication, chosen,
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@ -603,7 +603,7 @@ public class TestBlockStoragePolicy {
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final EnumSet<StorageType> unavailables = disk;
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final boolean isNewBlock = false;
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{
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final List<StorageType> chosen = Arrays.asList();
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final List<StorageType> chosen = Lists.newArrayList();
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checkChooseStorageTypes(hot, replication, chosen, unavailables, isNewBlock,
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StorageType.ARCHIVE, StorageType.ARCHIVE, StorageType.ARCHIVE);
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checkChooseStorageTypes(warm, replication, chosen, unavailables, isNewBlock,
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@ -44,9 +44,13 @@ import org.apache.hadoop.hdfs.protocol.HdfsConstants;
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import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
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import org.apache.hadoop.hdfs.protocol.HdfsLocatedFileStatus;
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import org.apache.hadoop.hdfs.protocol.LocatedBlock;
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import org.apache.hadoop.hdfs.protocol.datatransfer.DataTransferProtocol;
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import org.apache.hadoop.hdfs.server.balancer.Dispatcher;
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import org.apache.hadoop.hdfs.server.balancer.ExitStatus;
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import org.apache.hadoop.hdfs.server.balancer.NameNodeConnector;
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import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicy;
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import org.apache.hadoop.hdfs.server.datanode.DataNode;
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import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
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import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper;
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import org.apache.hadoop.io.IOUtils;
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import org.apache.log4j.Level;
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@ -66,6 +70,8 @@ public class TestStorageMover {
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).getLogger().setLevel(Level.ALL);
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((Log4JLogger)LogFactory.getLog(Dispatcher.class)
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).getLogger().setLevel(Level.ALL);
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((Log4JLogger)LogFactory.getLog(DataTransferProtocol.class)).getLogger()
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.setLevel(Level.ALL);
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}
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private static final int BLOCK_SIZE = 1024;
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@ -80,6 +86,8 @@ public class TestStorageMover {
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static {
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DEFAULT_CONF.setLong(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, BLOCK_SIZE);
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DEFAULT_CONF.setLong(DFSConfigKeys.DFS_HEARTBEAT_INTERVAL_KEY, 1L);
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DEFAULT_CONF.setLong(DFSConfigKeys.DFS_NAMENODE_REPLICATION_INTERVAL_KEY,
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2L);
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DEFAULT_CONF.setLong(DFSConfigKeys.DFS_MOVER_MOVEDWINWIDTH_KEY, 2000L);
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DEFAULT_POLICIES = BlockStoragePolicy.readBlockStorageSuite(DEFAULT_CONF);
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@ -87,6 +95,9 @@ public class TestStorageMover {
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WARM = DEFAULT_POLICIES.getPolicy("WARM");
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COLD = DEFAULT_POLICIES.getPolicy("COLD");
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Dispatcher.setBlockMoveWaitTime(1000L);
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Dispatcher.setDelayAfterErrors(1000L);
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// do not create id file since we will eat up all the disk space
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NameNodeConnector.setCreateIdFile(false);
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}
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/**
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@ -151,7 +162,7 @@ public class TestStorageMover {
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ClusterScheme() {
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this(DEFAULT_CONF, NUM_DATANODES, REPL,
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genStorageTypes(NUM_DATANODES, 1, 1), null);
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genStorageTypes(NUM_DATANODES), null);
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}
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ClusterScheme(Configuration conf, int numDataNodes, short repl,
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@ -195,7 +206,7 @@ public class TestStorageMover {
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dfs = cluster.getFileSystem();
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}
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private void runBasicTest(boolean shotdown) throws Exception {
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private void runBasicTest(boolean shutdown) throws Exception {
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setupCluster();
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try {
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prepareNamespace();
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@ -205,7 +216,7 @@ public class TestStorageMover {
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migrate();
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verify(true);
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} finally {
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if (shotdown) {
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if (shutdown) {
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shutdownCluster();
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}
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}
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@ -233,7 +244,7 @@ public class TestStorageMover {
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/**
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* Run the migration tool.
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*/
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void migrate(String... args) throws Exception {
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void migrate() throws Exception {
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runMover();
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Thread.sleep(5000); // let the NN finish deletion
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}
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@ -242,6 +253,9 @@ public class TestStorageMover {
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* Verify block locations after running the migration tool.
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*/
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void verify(boolean verifyAll) throws Exception {
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for (DataNode dn : cluster.getDataNodes()) {
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DataNodeTestUtils.triggerBlockReport(dn);
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}
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if (verifyAll) {
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verifyNamespace();
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} else {
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@ -308,7 +322,8 @@ public class TestStorageMover {
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final Mover.StorageTypeDiff diff = new Mover.StorageTypeDiff(types,
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lb.getStorageTypes());
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Assert.assertTrue(fileStatus.getFullName(parent.toString())
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+ " with policy " + policy + " has non-empty overlap: " + diff,
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+ " with policy " + policy + " has non-empty overlap: " + diff
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+ ", the corresponding block is " + lb.getBlock().getLocalBlock(),
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diff.removeOverlap());
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}
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}
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@ -378,6 +393,7 @@ public class TestStorageMover {
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return "[disk=" + disk + ", archive=" + archive + "]";
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}
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}
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private static StorageType[][] genStorageTypes(int numDataNodes) {
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return genStorageTypes(numDataNodes, 0, 0);
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}
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@ -414,21 +430,6 @@ public class TestStorageMover {
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return capacities;
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}
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/**
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* A normal case for Mover: move a file into archival storage
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*/
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@Test
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public void testMigrateFileToArchival() throws Exception {
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final Path foo = new Path("/foo");
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Map<Path, BlockStoragePolicy> policyMap = Maps.newHashMap();
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policyMap.put(foo, COLD);
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NamespaceScheme nsScheme = new NamespaceScheme(null, Arrays.asList(foo),
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2*BLOCK_SIZE, null, policyMap);
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ClusterScheme clusterScheme = new ClusterScheme(DEFAULT_CONF,
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NUM_DATANODES, REPL, genStorageTypes(NUM_DATANODES), null);
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new MigrationTest(clusterScheme, nsScheme).runBasicTest(true);
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}
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private static class PathPolicyMap {
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final Map<Path, BlockStoragePolicy> map = Maps.newHashMap();
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final Path hot = new Path("/hot");
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@ -472,40 +473,64 @@ public class TestStorageMover {
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}
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}
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/**
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* A normal case for Mover: move a file into archival storage
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*/
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@Test
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public void testMigrateFileToArchival() throws Exception {
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LOG.info("testMigrateFileToArchival");
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final Path foo = new Path("/foo");
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Map<Path, BlockStoragePolicy> policyMap = Maps.newHashMap();
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policyMap.put(foo, COLD);
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NamespaceScheme nsScheme = new NamespaceScheme(null, Arrays.asList(foo),
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2*BLOCK_SIZE, null, policyMap);
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ClusterScheme clusterScheme = new ClusterScheme(DEFAULT_CONF,
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NUM_DATANODES, REPL, genStorageTypes(NUM_DATANODES), null);
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new MigrationTest(clusterScheme, nsScheme).runBasicTest(true);
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}
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/**
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* Test directories with Hot, Warm and Cold polices.
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*/
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@Test
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public void testHotWarmColdDirs() throws Exception {
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LOG.info("testHotWarmColdDirs");
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PathPolicyMap pathPolicyMap = new PathPolicyMap(3);
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NamespaceScheme nsScheme = pathPolicyMap.newNamespaceScheme();
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ClusterScheme clusterScheme = new ClusterScheme();
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MigrationTest test = new MigrationTest(clusterScheme, nsScheme);
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try {
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test.runBasicTest(false);
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pathPolicyMap.moveAround(test.dfs);
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test.migrate();
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test.verify(true);
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} finally {
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test.shutdownCluster();
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}
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}
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/**
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* Test DISK is running out of spaces.
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*/
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@Test
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public void testNoSpaceDisk() throws Exception {
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LOG.info("testNoSpaceDisk");
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final PathPolicyMap pathPolicyMap = new PathPolicyMap(0);
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final NamespaceScheme nsScheme = pathPolicyMap.newNamespaceScheme();
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final long diskCapacity = (10 + HdfsConstants.MIN_BLOCKS_FOR_WRITE)*BLOCK_SIZE;
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final long diskCapacity = (6 + HdfsConstants.MIN_BLOCKS_FOR_WRITE)
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* BLOCK_SIZE;
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final long archiveCapacity = 100 * BLOCK_SIZE;
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final long[][] capacities = genCapacities(NUM_DATANODES, 1, 1,
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diskCapacity, archiveCapacity);
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final ClusterScheme clusterScheme = new ClusterScheme(DEFAULT_CONF,
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Configuration conf = new Configuration(DEFAULT_CONF);
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final ClusterScheme clusterScheme = new ClusterScheme(conf,
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NUM_DATANODES, REPL, genStorageTypes(NUM_DATANODES, 1, 1), capacities);
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final MigrationTest test = new MigrationTest(clusterScheme, nsScheme);
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try {
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test.runBasicTest(false);
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// create hot files with replication 3 until not more spaces.
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@ -520,7 +545,7 @@ public class TestStorageMover {
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} catch (IOException e) {
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LOG.info("Expected: hotFileCount=" + hotFileCount, e);
|
||||
}
|
||||
Assert.assertTrue(hotFileCount >= 2);
|
||||
Assert.assertTrue(hotFileCount >= 1);
|
||||
}
|
||||
|
||||
// create hot files with replication 1 to use up all remaining spaces.
|
||||
|
@ -561,28 +586,32 @@ public class TestStorageMover {
|
|||
final Path file1 = new Path(pathPolicyMap.hot, "file1");
|
||||
test.dfs.rename(file1, pathPolicyMap.warm);
|
||||
test.migrate();
|
||||
test.verifyFile(new Path(pathPolicyMap.warm, "file1"), WARM.getId());;
|
||||
test.verifyFile(new Path(pathPolicyMap.warm, "file1"), WARM.getId());
|
||||
}
|
||||
|
||||
} finally {
|
||||
test.shutdownCluster();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Test ARCHIVE is running out of spaces.
|
||||
*/
|
||||
@Test
|
||||
public void testNoSpaceArchive() throws Exception {
|
||||
LOG.info("testNoSpaceArchive");
|
||||
final PathPolicyMap pathPolicyMap = new PathPolicyMap(0);
|
||||
final NamespaceScheme nsScheme = pathPolicyMap.newNamespaceScheme();
|
||||
|
||||
final long diskCapacity = 100 * BLOCK_SIZE;
|
||||
final long archiveCapacity = (10 + HdfsConstants.MIN_BLOCKS_FOR_WRITE)*BLOCK_SIZE;
|
||||
final long archiveCapacity = (6 + HdfsConstants.MIN_BLOCKS_FOR_WRITE)
|
||||
* BLOCK_SIZE;
|
||||
final long[][] capacities = genCapacities(NUM_DATANODES, 1, 1,
|
||||
diskCapacity, archiveCapacity);
|
||||
final ClusterScheme clusterScheme = new ClusterScheme(DEFAULT_CONF,
|
||||
NUM_DATANODES, REPL, genStorageTypes(NUM_DATANODES, 1, 1), capacities);
|
||||
final MigrationTest test = new MigrationTest(clusterScheme, nsScheme);
|
||||
|
||||
try {
|
||||
test.runBasicTest(false);
|
||||
|
||||
// create cold files with replication 3 until not more spaces.
|
||||
|
@ -597,7 +626,7 @@ public class TestStorageMover {
|
|||
} catch (IOException e) {
|
||||
LOG.info("Expected: coldFileCount=" + coldFileCount, e);
|
||||
}
|
||||
Assert.assertTrue(coldFileCount >= 2);
|
||||
Assert.assertTrue(coldFileCount >= 1);
|
||||
}
|
||||
|
||||
// create cold files with replication 1 to use up all remaining spaces.
|
||||
|
@ -633,12 +662,13 @@ public class TestStorageMover {
|
|||
}
|
||||
|
||||
{ //test move a cold file to warm
|
||||
final Path file1 = new Path(pathPolicyMap.hot, "file1");
|
||||
final Path file1 = new Path(pathPolicyMap.cold, "file1");
|
||||
test.dfs.rename(file1, pathPolicyMap.warm);
|
||||
test.migrate();
|
||||
test.verify(true);
|
||||
}
|
||||
|
||||
} finally {
|
||||
test.shutdownCluster();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue