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HDFS-16043. Add markedDeleteBlockScrubberThread to delete blocks asynchronously (#3882). Contributed by Xiangyi Zhu. 

Signed-off-by: He Xiaoqiao <hexiaoqiao@apache.org>
This commit is contained in:
Xiangyi Zhu 2022-01-15 23:18:05 +08:00 committed by GitHub
parent 926222a0d0
commit b5e7f59e53
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18 changed files with 242 additions and 70 deletions
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105
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
View File

@ -47,6 +47,7 @@ import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.atomic.AtomicLong;
import javax.management.ObjectName;
@ -190,6 +191,9 @@ public class BlockManager implements BlockStatsMXBean {
private volatile long lowRedundancyBlocksCount = 0L;
private volatile long scheduledReplicationBlocksCount = 0L;
private final long deleteBlockLockTimeMs = 500;
private final long deleteBlockUnlockIntervalTimeMs = 100;
/** flag indicating whether replication queues have been initialized */
private boolean initializedReplQueues;
@ -323,6 +327,12 @@ public class BlockManager implements BlockStatsMXBean {
* {@link #redundancyThread} has run at least one full iteration.
*/
private final AtomicLong lastRedundancyCycleTS = new AtomicLong(-1);
/**
* markedDeleteBlockScrubber thread for handling async delete blocks.
*/
private final Daemon markedDeleteBlockScrubberThread =
new Daemon(new MarkedDeleteBlockScrubber());
/** Block report thread for handling async reports. */
private final BlockReportProcessingThread blockReportThread;
@ -421,6 +431,12 @@ public class BlockManager implements BlockStatsMXBean {
*/
private int numBlocksPerIteration;
/**
* The blocks of deleted files are put into the queue,
* and the cleanup thread processes these blocks periodically.
*/
private final ConcurrentLinkedQueue<List<BlockInfo>> markedDeleteQueue;
/**
* Progress of the Reconstruction queues initialisation.
*/
@ -474,7 +490,7 @@ public class BlockManager implements BlockStatsMXBean {
datanodeManager.getBlockInvalidateLimit(),
startupDelayBlockDeletionInMs,
blockIdManager);
markedDeleteQueue = new ConcurrentLinkedQueue<>();
// Compute the map capacity by allocating 2% of total memory
blocksMap = new BlocksMap(
LightWeightGSet.computeCapacity(2.0, "BlocksMap"));
@ -724,6 +740,9 @@ public class BlockManager implements BlockStatsMXBean {
datanodeManager.activate(conf);
this.redundancyThread.setName("RedundancyMonitor");
this.redundancyThread.start();
this.markedDeleteBlockScrubberThread.
setName("MarkedDeleteBlockScrubberThread");
this.markedDeleteBlockScrubberThread.start();
this.blockReportThread.start();
mxBeanName = MBeans.register("NameNode", "BlockStats", this);
bmSafeMode.activate(blockTotal);
@ -737,8 +756,10 @@ public class BlockManager implements BlockStatsMXBean {
try {
redundancyThread.interrupt();
blockReportThread.interrupt();
markedDeleteBlockScrubberThread.interrupt();
redundancyThread.join(3000);
blockReportThread.join(3000);
markedDeleteBlockScrubberThread.join(3000);
} catch (InterruptedException ie) {
}
datanodeManager.close();
@ -4877,6 +4898,77 @@ public class BlockManager implements BlockStatsMXBean {
return lastRedundancyCycleTS.get();
}
/**
* Periodically deletes the marked block.
*/
private class MarkedDeleteBlockScrubber implements Runnable {
private Iterator<BlockInfo> toDeleteIterator = null;
private boolean isSleep;
private NameNodeMetrics metrics;
private void remove(long time) {
if (checkToDeleteIterator()) {
namesystem.writeLock();
try {
while (toDeleteIterator.hasNext()) {
removeBlock(toDeleteIterator.next());
metrics.decrPendingDeleteBlocksCount();
if (Time.monotonicNow() - time > deleteBlockLockTimeMs) {
isSleep = true;
break;
}
}
} finally {
namesystem.writeUnlock();
}
}
}
private boolean checkToDeleteIterator() {
return toDeleteIterator != null && toDeleteIterator.hasNext();
}
@Override
public void run() {
LOG.info("Start MarkedDeleteBlockScrubber thread");
while (namesystem.isRunning() &&
!Thread.currentThread().isInterrupted()) {
if (!markedDeleteQueue.isEmpty() || checkToDeleteIterator()) {
try {
metrics = NameNode.getNameNodeMetrics();
metrics.setDeleteBlocksQueued(markedDeleteQueue.size());
isSleep = false;
long startTime = Time.monotonicNow();
remove(startTime);
while (!isSleep && !markedDeleteQueue.isEmpty() &&
!Thread.currentThread().isInterrupted()) {
List<BlockInfo> markedDeleteList = markedDeleteQueue.poll();
if (markedDeleteList != null) {
toDeleteIterator = markedDeleteList.listIterator();
}
remove(startTime);
}
} catch (Exception e){
LOG.warn("MarkedDeleteBlockScrubber encountered an exception" +
" during the block deletion process, " +
" the deletion of the block will retry in {} millisecond.",
deleteBlockUnlockIntervalTimeMs, e);
}
}
if (isSleep) {
LOG.debug("Clear markedDeleteQueue over {}" +
" millisecond to release the write lock", deleteBlockLockTimeMs);
}
try {
Thread.sleep(deleteBlockUnlockIntervalTimeMs);
} catch (InterruptedException e) {
LOG.info("Stopping MarkedDeleteBlockScrubber.");
break;
}
}
}
}
/**
* Periodically calls computeBlockRecoveryWork().
*/
@ -5223,6 +5315,17 @@ public class BlockManager implements BlockStatsMXBean {
return blockIdManager;
}
@VisibleForTesting
public ConcurrentLinkedQueue<List<BlockInfo>> getMarkedDeleteQueue() {
return markedDeleteQueue;
}
public void addBLocksToMarkedDeleteQueue(List<BlockInfo> blockInfos) {
markedDeleteQueue.add(blockInfos);
NameNode.getNameNodeMetrics().
incrPendingDeleteBlocksCount(blockInfos.size());
}
public long nextGenerationStamp(boolean legacyBlock) throws IOException {
return blockIdManager.nextGenerationStamp(legacyBlock);
}

45
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
View File

@ -2277,8 +2277,8 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
}
getEditLog().logSync();
if (!toRemoveBlocks.getToDeleteList().isEmpty()) {
removeBlocks(toRemoveBlocks);
toRemoveBlocks.clear();
blockManager.addBLocksToMarkedDeleteQueue(
toRemoveBlocks.getToDeleteList());
}
logAuditEvent(true, operationName, src, null, r.getFileStatus());
} catch (AccessControlException e) {
@ -2717,8 +2717,8 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
if (!skipSync) {
getEditLog().logSync();
if (toRemoveBlocks != null) {
removeBlocks(toRemoveBlocks);
toRemoveBlocks.clear();
blockManager.addBLocksToMarkedDeleteQueue(
toRemoveBlocks.getToDeleteList());
}
}
}
@ -3236,8 +3236,8 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
BlocksMapUpdateInfo collectedBlocks = res.collectedBlocks;
if (!collectedBlocks.getToDeleteList().isEmpty()) {
removeBlocks(collectedBlocks);
collectedBlocks.clear();
blockManager.addBLocksToMarkedDeleteQueue(
collectedBlocks.getToDeleteList());
}
logAuditEvent(true, operationName + " (options=" +
@ -3276,7 +3276,8 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
getEditLog().logSync();
logAuditEvent(ret, operationName, src);
if (toRemovedBlocks != null) {
removeBlocks(toRemovedBlocks); // Incremental deletion of blocks
blockManager.addBLocksToMarkedDeleteQueue(
toRemovedBlocks.getToDeleteList());
}
return ret;
}
@ -3286,30 +3287,6 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
return dir.getPermissionChecker();
}
/**
* From the given list, incrementally remove the blocks from blockManager
* Writelock is dropped and reacquired every BLOCK_DELETION_INCREMENT to
* ensure that other waiters on the lock can get in. See HDFS-2938
*
* @param blocks
* An instance of {@link BlocksMapUpdateInfo} which contains a list
* of blocks that need to be removed from blocksMap
*/
void removeBlocks(BlocksMapUpdateInfo blocks) {
List<BlockInfo> toDeleteList = blocks.getToDeleteList();
Iterator<BlockInfo> iter = toDeleteList.iterator();
while (iter.hasNext()) {
writeLock();
try {
for (int i = 0; i < blockDeletionIncrement && iter.hasNext(); i++) {
blockManager.removeBlock(iter.next());
}
} finally {
writeUnlock("removeBlocks");
}
}
}
/**
* Remove leases and inodes related to a given path
* @param removedUCFiles INodes whose leases need to be released
@ -4508,7 +4485,8 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
INodesInPath.fromINode((INodeFile) bc), false);
changed |= toRemoveBlocks != null;
if (toRemoveBlocks != null) {
removeBlocks(toRemoveBlocks); // Incremental deletion of blocks
blockManager.addBLocksToMarkedDeleteQueue(
toRemoveBlocks.getToDeleteList());
}
}
} finally {
@ -7170,7 +7148,8 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
// Breaking the pattern as removing blocks have to happen outside of the
// global lock
if (blocksToBeDeleted != null) {
removeBlocks(blocksToBeDeleted);
blockManager.addBLocksToMarkedDeleteQueue(
blocksToBeDeleted.getToDeleteList());
}
logAuditEvent(true, operationName, rootPath, null, null);
}

16
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/metrics/NameNodeMetrics.java
View File

@ -87,6 +87,10 @@ public class NameNodeMetrics {
MutableCounterLong blockOpsBatched;
@Metric("Number of pending edits")
MutableGaugeInt pendingEditsCount;
@Metric("Number of delete blocks Queued")
MutableGaugeInt deleteBlocksQueued;
@Metric("Number of pending deletion blocks")
MutableGaugeInt pendingDeleteBlocksCount;
@Metric("Number of file system operations")
public long totalFileOps(){
@ -334,6 +338,18 @@ public class NameNodeMetrics {
blockOpsQueued.set(size);
}
public void setDeleteBlocksQueued(int size) {
deleteBlocksQueued.set(size);
}
public void incrPendingDeleteBlocksCount(int size) {
pendingDeleteBlocksCount.incr(size);
}
public void decrPendingDeleteBlocksCount() {
pendingDeleteBlocksCount.decr();
}
public void addBlockOpsBatched(int count) {
blockOpsBatched.incr(count);
}

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestBlocksScheduledCounter.java
View File

@ -190,6 +190,8 @@ public class TestBlocksScheduledCounter {
// 4. delete the file
dfs.delete(filePath, true);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
int blocksScheduled = 0;
for (DatanodeDescriptor descriptor : dnList) {
if (descriptor.getBlocksScheduled() != 0) {

3
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSRename.java
View File

@ -30,6 +30,7 @@ import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.Options.Rename;
import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManagerTestUtil;
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
import org.apache.hadoop.test.GenericTestUtils;
@ -161,6 +162,8 @@ public class TestDFSRename {
assertTrue(bm.getStoredBlock(lbs.getLocatedBlocks().get(0).getBlock().
getLocalBlock()) != null);
dfs.rename(srcPath, dstPath, Rename.OVERWRITE);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
assertTrue(bm.getStoredBlock(lbs.getLocatedBlocks().get(0).getBlock().
getLocalBlock()) == null);

5
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileCreation.java
View File

@ -75,6 +75,7 @@ import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.protocol.LocatedBlock;
import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManagerTestUtil;
import org.apache.hadoop.hdfs.server.datanode.DataNode;
import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
import org.apache.hadoop.hdfs.server.datanode.SimulatedFSDataset;
@ -1350,6 +1351,8 @@ public class TestFileCreation {
assertBlocks(bm, oldBlocks, true);
out = dfs.create(filePath, true);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
byte[] newData = AppendTestUtil.randomBytes(seed, fileSize);
try {
out.write(newData);
@ -1357,6 +1360,8 @@ public class TestFileCreation {
out.close();
}
dfs.deleteOnExit(filePath);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
LocatedBlocks newBlocks = NameNodeAdapter.getBlockLocations(
nn, file, 0, fileSize);

5
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestReadStripedFileWithDecoding.java
View File

@ -23,6 +23,7 @@ import org.apache.hadoop.hdfs.protocol.LocatedBlock;
import org.apache.hadoop.hdfs.protocol.LocatedStripedBlock;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManagerTestUtil;
import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor;
import org.apache.hadoop.hdfs.server.datanode.DataNode;
import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
@ -127,7 +128,7 @@ public class TestReadStripedFileWithDecoding {
}
@Test
public void testInvalidateBlock() throws IOException {
public void testInvalidateBlock() throws IOException, InterruptedException {
final Path file = new Path("/invalidate");
final int length = 10;
final byte[] bytes = StripedFileTestUtil.generateBytes(length);
@ -151,6 +152,8 @@ public class TestReadStripedFileWithDecoding {
try {
// delete the file
dfs.delete(file, true);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem().getBlockManager());
// check the block is added to invalidateBlocks
final FSNamesystem fsn = cluster.getNamesystem();
final BlockManager bm = fsn.getBlockManager();

18
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManagerTestUtil.java
View File

@ -39,6 +39,9 @@ import org.junit.Assert;
import org.apache.hadoop.thirdparty.com.google.common.base.Preconditions;
public class BlockManagerTestUtil {
static final long SLEEP_TIME = 1000;
public static void setNodeReplicationLimit(final BlockManager blockManager,
final int limit) {
blockManager.maxReplicationStreams = limit;
@ -178,7 +181,20 @@ public class BlockManagerTestUtil {
*/
public static CorruptReplicasMap getCorruptReplicas(final BlockManager blockManager){
return blockManager.corruptReplicas;
}
/**
* Wait for the processing of the marked deleted block to complete.
*/
public static void waitForMarkedDeleteQueueIsEmpty(
BlockManager blockManager) throws InterruptedException {
while (true) {
if (blockManager.getMarkedDeleteQueue().isEmpty()) {
return;
}
Thread.sleep(SLEEP_TIME);
}
}
/**

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestComputeInvalidateWork.java
View File

@ -253,6 +253,8 @@ public class TestComputeInvalidateWork {
}
dfs.delete(path, false);
dfs.delete(ecFile, false);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
namesystem.writeLock();
InvalidateBlocks invalidateBlocks;
int totalStripedDataBlocks = totalBlockGroups * (ecPolicy.getNumDataUnits()

3
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/TestLazyPersistLockedMemory.java
View File

@ -26,6 +26,7 @@ import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hdfs.DFSOutputStream;
import org.apache.hadoop.hdfs.DFSTestUtil;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManagerTestUtil;
import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi;
import org.apache.hadoop.test.GenericTestUtils;
@ -175,6 +176,8 @@ public class TestLazyPersistLockedMemory extends LazyPersistTestCase {
// Delete the file and ensure locked RAM goes to zero.
fs.delete(path, false);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
DataNodeTestUtils.triggerBlockReport(cluster.getDataNodes().get(0));
waitForLockedBytesUsed(fsd, 0);
}

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestDecommissioningStatus.java
View File

@ -445,6 +445,8 @@ public class TestDecommissioningStatus {
// Delete the under-replicated file, which should let the
// DECOMMISSION_IN_PROGRESS node become DECOMMISSIONED
AdminStatesBaseTest.cleanupFile(fileSys, f);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
BlockManagerTestUtil.recheckDecommissionState(dm);
// Block until the admin's monitor updates the number of tracked nodes.
waitForDecommissionedNodes(dm.getDatanodeAdminManager(), 0);

47
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFileTruncate.java
View File

@ -33,6 +33,7 @@ import static org.junit.Assert.fail;
import java.io.IOException;
import java.util.concurrent.ThreadLocalRandom;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManagerTestUtil;
import org.apache.hadoop.hdfs.server.datanode.DataNodeFaultInjector;
import org.apache.hadoop.ipc.RemoteException;
import org.apache.hadoop.test.LambdaTestUtils;
@ -321,7 +322,8 @@ public class TestFileTruncate {
}
@Test
public void testSnapshotWithAppendTruncate() throws IOException {
public void testSnapshotWithAppendTruncate()
throws IOException, InterruptedException {
testSnapshotWithAppendTruncate(0, 1, 2);
testSnapshotWithAppendTruncate(0, 2, 1);
testSnapshotWithAppendTruncate(1, 0, 2);
@ -335,7 +337,8 @@ public class TestFileTruncate {
* Delete snapshots in the specified order and verify that
* remaining snapshots are still readable.
*/
void testSnapshotWithAppendTruncate(int ... deleteOrder) throws IOException {
void testSnapshotWithAppendTruncate(int... deleteOrder)
throws IOException, InterruptedException {
FSDirectory fsDir = cluster.getNamesystem().getFSDirectory();
fs.mkdirs(parent);
fs.setQuota(parent, 100, 1000);
@ -383,16 +386,16 @@ public class TestFileTruncate {
// Truncate to block boundary
int newLength = length[0] + BLOCK_SIZE / 2;
boolean isReady = fs.truncate(src, newLength);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
assertTrue("Recovery is not expected.", isReady);
assertFileLength(snapshotFiles[2], length[2]);
assertFileLength(snapshotFiles[1], length[1]);
assertFileLength(snapshotFiles[0], length[0]);
assertBlockNotPresent(appendedBlk);
// Diskspace consumed should be 16 bytes * 3. [blk 1,2,3 SS:4]
contentSummary = fs.getContentSummary(parent);
assertThat(contentSummary.getSpaceConsumed(), is(48L));
// Truncate full block again
newLength = length[0] - BLOCK_SIZE / 2;
isReady = fs.truncate(src, newLength);
@ -400,11 +403,9 @@ public class TestFileTruncate {
assertFileLength(snapshotFiles[2], length[2]);
assertFileLength(snapshotFiles[1], length[1]);
assertFileLength(snapshotFiles[0], length[0]);
// Diskspace consumed should be 16 bytes * 3. [blk 1,2 SS:3,4]
contentSummary = fs.getContentSummary(parent);
assertThat(contentSummary.getSpaceConsumed(), is(48L));
// Truncate half of the last block
newLength -= BLOCK_SIZE / 2;
isReady = fs.truncate(src, newLength);
@ -415,15 +416,12 @@ public class TestFileTruncate {
assertFileLength(snapshotFiles[0], length[0]);
Block replacedBlk = getLocatedBlocks(src).getLastLocatedBlock()
.getBlock().getLocalBlock();
// Diskspace consumed should be 16 bytes * 3. [blk 1,6 SS:2,3,4]
contentSummary = fs.getContentSummary(parent);
assertThat(contentSummary.getSpaceConsumed(), is(54L));
snapshotDir = fs.createSnapshot(parent, ss[3]);
snapshotFiles[3] = new Path(snapshotDir, truncateFile);
length[3] = newLength;
// Delete file. Should still be able to read snapshots
int numINodes = fsDir.getInodeMapSize();
isReady = fs.delete(src, false);
@ -434,17 +432,15 @@ public class TestFileTruncate {
assertFileLength(snapshotFiles[0], length[0]);
assertEquals("Number of INodes should not change",
numINodes, fsDir.getInodeMapSize());
fs.deleteSnapshot(parent, ss[3]);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
assertBlockExists(firstBlk);
assertBlockExists(lastBlk);
assertBlockNotPresent(replacedBlk);
// Diskspace consumed should be 16 bytes * 3. [SS:1,2,3,4]
contentSummary = fs.getContentSummary(parent);
assertThat(contentSummary.getSpaceConsumed(), is(48L));
// delete snapshots in the specified order
fs.deleteSnapshot(parent, ss[deleteOrder[0]]);
assertFileLength(snapshotFiles[deleteOrder[1]], length[deleteOrder[1]]);
@ -453,12 +449,12 @@ public class TestFileTruncate {
assertBlockExists(lastBlk);
assertEquals("Number of INodes should not change",
numINodes, fsDir.getInodeMapSize());
// Diskspace consumed should be 16 bytes * 3. [SS:1,2,3,4]
contentSummary = fs.getContentSummary(parent);
assertThat(contentSummary.getSpaceConsumed(), is(48L));
fs.deleteSnapshot(parent, ss[deleteOrder[1]]);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
assertFileLength(snapshotFiles[deleteOrder[2]], length[deleteOrder[2]]);
assertBlockExists(firstBlk);
contentSummary = fs.getContentSummary(parent);
@ -472,11 +468,11 @@ public class TestFileTruncate {
}
assertEquals("Number of INodes should not change",
numINodes, fsDir .getInodeMapSize());
fs.deleteSnapshot(parent, ss[deleteOrder[2]]);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
assertBlockNotPresent(firstBlk);
assertBlockNotPresent(lastBlk);
// Diskspace consumed should be 0 bytes * 3. []
contentSummary = fs.getContentSummary(parent);
assertThat(contentSummary.getSpaceConsumed(), is(0L));
@ -490,7 +486,8 @@ public class TestFileTruncate {
* remaining snapshots are still readable.
*/
@Test
public void testSnapshotWithTruncates() throws IOException {
public void testSnapshotWithTruncates()
throws IOException, InterruptedException {
testSnapshotWithTruncates(0, 1, 2);
testSnapshotWithTruncates(0, 2, 1);
testSnapshotWithTruncates(1, 0, 2);
@ -499,7 +496,8 @@ public class TestFileTruncate {
testSnapshotWithTruncates(2, 1, 0);
}
void testSnapshotWithTruncates(int ... deleteOrder) throws IOException {
void testSnapshotWithTruncates(int... deleteOrder)
throws IOException, InterruptedException {
fs.mkdirs(parent);
fs.setQuota(parent, 100, 1000);
fs.allowSnapshot(parent);
@ -546,6 +544,8 @@ public class TestFileTruncate {
assertThat(contentSummary.getSpaceConsumed(), is(42L));
fs.deleteSnapshot(parent, ss[deleteOrder[0]]);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
assertFileLength(snapshotFiles[deleteOrder[1]], length[deleteOrder[1]]);
assertFileLength(snapshotFiles[deleteOrder[2]], length[deleteOrder[2]]);
assertFileLength(src, length[2]);
@ -563,6 +563,8 @@ public class TestFileTruncate {
}
fs.deleteSnapshot(parent, ss[deleteOrder[1]]);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
assertFileLength(snapshotFiles[deleteOrder[2]], length[deleteOrder[2]]);
assertFileLength(src, length[2]);
assertBlockExists(firstBlk);
@ -583,6 +585,8 @@ public class TestFileTruncate {
}
fs.deleteSnapshot(parent, ss[deleteOrder[2]]);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
assertFileLength(src, length[2]);
assertBlockExists(firstBlk);
@ -592,6 +596,8 @@ public class TestFileTruncate {
assertThat(contentSummary.getLength(), is(6L));
fs.delete(src, false);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem().getBlockManager());
assertBlockNotPresent(firstBlk);
// Diskspace consumed should be 0 bytes * 3. []
@ -1258,7 +1264,8 @@ public class TestFileTruncate {
cluster.getNamesystem().getFSDirectory().getBlockManager()
.getTotalBlocks());
fs.delete(p, true);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem().getBlockManager());
assertEquals("block num should 0", 0,
cluster.getNamesystem().getFSDirectory().getBlockManager()
.getTotalBlocks());

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

@ -20,6 +20,7 @@ package org.apache.hadoop.hdfs.server.namenode;
import java.io.IOException;
import java.util.Random;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManagerTestUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.conf.Configuration;
@ -140,6 +141,8 @@ public class TestLargeDirectoryDelete {
final long start = Time.now();
mc.getFileSystem().delete(new Path("/root"), true); // recursive delete
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
mc.getNamesystem(0).getBlockManager());
final long end = Time.now();
threads[0].endThread();
threads[1].endThread();

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestMetaSave.java
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@ -139,6 +139,8 @@ public class TestMetaSave {
nnRpc.delete("/filestatus0", true);
nnRpc.delete("/filestatus1", true);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem().getBlockManager());
nnRpc.metaSave("metasaveAfterDelete.out.txt");
// Verification

39
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeMXBean.java
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@ -1031,7 +1031,8 @@ public class TestNameNodeMXBean {
@Test
public void testTotalBlocksMetrics() throws Exception {
MiniDFSCluster cluster = null;
FSNamesystem namesystem = null;
FSNamesystem activeNn = null;
FSNamesystem standbyNn = null;
DistributedFileSystem fs = null;
try {
Configuration conf = new HdfsConfiguration();
@ -1046,12 +1047,16 @@ public class TestNameNodeMXBean {
conf.setLong(DFSConfigKeys.DFS_BLOCK_SIZE_KEY, blockSize);
cluster = new MiniDFSCluster.Builder(conf)
.numDataNodes(totalSize).build();
namesystem = cluster.getNamesystem();
fs = cluster.getFileSystem();
.nnTopology(MiniDFSNNTopology.simpleHAFederatedTopology(1)).
numDataNodes(totalSize).build();
cluster.waitActive();
cluster.transitionToActive(0);
activeNn = cluster.getNamesystem(0);
standbyNn = cluster.getNamesystem(1);
fs = cluster.getFileSystem(0);
fs.enableErasureCodingPolicy(
StripedFileTestUtil.getDefaultECPolicy().getName());
verifyTotalBlocksMetrics(0L, 0L, namesystem.getTotalBlocks());
verifyTotalBlocksMetrics(0L, 0L, activeNn.getTotalBlocks());
// create small file
Path replDirPath = new Path("/replicated");
@ -1068,7 +1073,7 @@ public class TestNameNodeMXBean {
final int smallLength = cellSize * dataBlocks;
final byte[] smallBytes = StripedFileTestUtil.generateBytes(smallLength);
DFSTestUtil.writeFile(fs, ecFileSmall, smallBytes);
verifyTotalBlocksMetrics(1L, 1L, namesystem.getTotalBlocks());
verifyTotalBlocksMetrics(1L, 1L, activeNn.getTotalBlocks());
// create learge file
Path replFileLarge = new Path(replDirPath, "replfile_large");
@ -1079,15 +1084,20 @@ public class TestNameNodeMXBean {
final int largeLength = blockSize * totalSize + smallLength;
final byte[] largeBytes = StripedFileTestUtil.generateBytes(largeLength);
DFSTestUtil.writeFile(fs, ecFileLarge, largeBytes);
verifyTotalBlocksMetrics(3L, 3L, namesystem.getTotalBlocks());
verifyTotalBlocksMetrics(3L, 3L, activeNn.getTotalBlocks());
// delete replicated files
fs.delete(replDirPath, true);
verifyTotalBlocksMetrics(0L, 3L, namesystem.getTotalBlocks());
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
verifyTotalBlocksMetrics(0L, 3L, activeNn.getTotalBlocks());
// delete ec files
fs.delete(ecDirPath, true);
verifyTotalBlocksMetrics(0L, 0L, namesystem.getTotalBlocks());
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
verifyTotalBlocksMetrics(0L, 0L, activeNn.getTotalBlocks());
verifyTotalBlocksMetrics(0L, 0L, standbyNn.getTotalBlocks());
} finally {
if (fs != null) {
try {
@ -1096,9 +1106,16 @@ public class TestNameNodeMXBean {
throw e;
}
}
if (namesystem != null) {
if (activeNn != null) {
try {
namesystem.close();
activeNn.close();
} catch (Exception e) {
throw e;
}
}
if (standbyNn != null) {
try {
standbyNn.close();
} catch (Exception e) {
throw e;
}

4
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHASafeMode.java
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@ -345,6 +345,8 @@ public class TestHASafeMode {
// once it starts up
banner("Removing the blocks without rolling the edit log");
fs.delete(new Path("/test"), true);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
BlockManagerTestUtil.computeAllPendingWork(
nn0.getNamesystem().getBlockManager());
cluster.triggerHeartbeats();
@ -384,6 +386,8 @@ public class TestHASafeMode {
// ACKed when due to block removals.
banner("Removing the blocks without rolling the edit log");
fs.delete(new Path("/test"), true);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem(0).getBlockManager());
BlockManagerTestUtil.computeAllPendingWork(
nn0.getNamesystem().getBlockManager());

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/metrics/TestNameNodeMetrics.java
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@ -661,6 +661,8 @@ public class TestNameNodeMetrics {
// verify ExcessBlocks metric is decremented and
// excessReplicateMap is cleared after deleting a file
fs.delete(file, true);
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem().getBlockManager());
rb = getMetrics(NS_METRICS);
assertGauge("ExcessBlocks", 0L, rb);
assertEquals(0L, bm.getExcessBlocksCount());

9
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotDeletion.java
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@ -44,6 +44,7 @@ import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
import org.apache.hadoop.hdfs.server.blockmanagement.BlockManagerTestUtil;
import org.apache.hadoop.hdfs.server.namenode.FSDirectory;
import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
import org.apache.hadoop.hdfs.server.namenode.INode;
@ -1128,7 +1129,8 @@ public class TestSnapshotDeletion {
}
@Test
public void testCorrectNumberOfBlocksAfterRestart() throws IOException {
public void testCorrectNumberOfBlocksAfterRestart()
throws IOException, InterruptedException {
final Path foo = new Path("/foo");
final Path bar = new Path(foo, "bar");
final Path file = new Path(foo, "file");
@ -1149,9 +1151,10 @@ public class TestSnapshotDeletion {
hdfs.delete(bar, true);
hdfs.delete(foo, true);
long numberOfBlocks = cluster.getNamesystem().getBlocksTotal();
cluster.restartNameNode(0);
assertEquals(numberOfBlocks, cluster.getNamesystem().getBlocksTotal());
BlockManagerTestUtil.waitForMarkedDeleteQueueIsEmpty(
cluster.getNamesystem().getBlockManager());
assertEquals(0, cluster.getNamesystem().getBlocksTotal());
}
/*