[ 
https://issues.apache.org/jira/browse/HDFS-9710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15149917#comment-15149917
 ] 

Hadoop QA commented on HDFS-9710:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 11s 
{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s 
{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 
0s {color} | {color:green} The patch appears to include 5 new or modified test 
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 
49s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 57s 
{color} | {color:green} trunk passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 48s 
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
33s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 1s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
14s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 
14s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 32s 
{color} | {color:green} trunk passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 12s 
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
53s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 59s 
{color} | {color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 59s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 49s 
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 49s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 33s 
{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs: patch generated 2 new + 
903 unchanged - 2 fixed = 905 total (was 905) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m 4s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
14s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 
22s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 21s 
{color} | {color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 5s 
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 192m 39s 
{color} | {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_72. 
{color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 191m 32s 
{color} | {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_95. 
{color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m 39s 
{color} | {color:red} Patch generated 3 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 415m 18s {color} 
| {color:black} {color} |
\\
\\
|| Reason || Tests ||
| JDK v1.8.0_72 Failed junit tests | 
hadoop.hdfs.server.balancer.TestBalancerWithHANameNodes |
|   | hadoop.hdfs.server.namenode.TestINodeFile |
|   | hadoop.hdfs.server.datanode.TestFsDatasetCache |
|   | hadoop.hdfs.server.namenode.ha.TestHASafeMode |
|   | hadoop.hdfs.shortcircuit.TestShortCircuitCache |
|   | hadoop.hdfs.TestDFSRename |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureToleration |
|   | hadoop.hdfs.server.namenode.TestStorageRestore |
|   | hadoop.hdfs.server.blockmanagement.TestNodeCount |
|   | hadoop.hdfs.TestEncryptionZones |
|   | hadoop.hdfs.server.namenode.TestFileContextAcl |
|   | hadoop.hdfs.server.datanode.TestDataXceiverLazyPersistHint |
|   | hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA |
|   | hadoop.hdfs.TestBalancerBandwidth |
|   | hadoop.hdfs.TestReadWhileWriting |
|   | hadoop.hdfs.server.mover.TestStorageMover |
|   | hadoop.hdfs.server.namenode.TestFSImageWithAcl |
|   | hadoop.hdfs.server.blockmanagement.TestBlocksWithNotEnoughRacks |
|   | hadoop.hdfs.server.namenode.TestAddBlock |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestScrLazyPersistFiles |
|   | hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks |
|   | hadoop.hdfs.server.datanode.TestBPOfferService |
|   | hadoop.hdfs.TestFileAppendRestart |
|   | hadoop.hdfs.server.datanode.TestTriggerBlockReport |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestLazyWriter |
|   | hadoop.hdfs.server.namenode.TestEditLog |
|   | hadoop.hdfs.server.mover.TestMover |
|   | hadoop.hdfs.TestSafeMode |
|   | hadoop.hdfs.server.namenode.TestHDFSConcat |
|   | hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFS |
|   | hadoop.hdfs.server.namenode.TestFSImageWithXAttr |
|   | hadoop.hdfs.TestRollingUpgrade |
|   | hadoop.hdfs.server.namenode.TestDecommissioningStatus |
|   | hadoop.hdfs.server.namenode.TestQuotaByStorageType |
|   | hadoop.hdfs.TestFileCreation |
|   | hadoop.hdfs.server.namenode.ha.TestQuotasWithHA |
|   | hadoop.hdfs.qjournal.TestSecureNNWithQJM |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
|   | hadoop.hdfs.server.namenode.ha.TestHAStateTransitions |
|   | hadoop.hdfs.TestModTime |
|   | hadoop.hdfs.TestAppendSnapshotTruncate |
|   | hadoop.hdfs.TestRestartDFS |
|   | hadoop.hdfs.server.datanode.TestDataNodeRollingUpgrade |
|   | hadoop.hdfs.server.datanode.TestFsDatasetCacheRevocation |
|   | hadoop.hdfs.server.namenode.ha.TestStandbyCheckpoints |
|   | hadoop.hdfs.server.namenode.TestAddStripedBlocks |
|   | hadoop.hdfs.server.namenode.TestDiskspaceQuotaUpdate |
|   | hadoop.hdfs.TestReconstructStripedFile |
|   | hadoop.hdfs.server.blockmanagement.TestRBWBlockInvalidation |
|   | hadoop.hdfs.server.datanode.TestNNHandlesCombinedBlockReport |
|   | hadoop.hdfs.server.namenode.TestCheckpoint |
|   | hadoop.hdfs.server.namenode.TestDeadDatanode |
|   | hadoop.hdfs.server.namenode.ha.TestPipelinesFailover |
|   | hadoop.hdfs.web.TestWebHDFSAcl |
|   | hadoop.hdfs.server.namenode.snapshot.TestUpdatePipelineWithSnapshots |
|   | hadoop.hdfs.TestErasureCodingPolicyWithSnapshot |
|   | hadoop.hdfs.server.namenode.snapshot.TestOpenFilesWithSnapshot |
|   | hadoop.hdfs.server.balancer.TestBalancerWithSaslDataTransfer |
|   | hadoop.hdfs.server.namenode.TestNestedEncryptionZones |
|   | hadoop.hdfs.server.namenode.TestStartup |
|   | hadoop.hdfs.server.datanode.TestBlockReplacement |
|   | hadoop.hdfs.server.blockmanagement.TestBlockStatsMXBean |
|   | hadoop.hdfs.TestLeaseRecovery |
|   | hadoop.hdfs.TestFileLengthOnClusterRestart |
|   | hadoop.hdfs.TestFileAppend |
|   | hadoop.hdfs.web.TestWebHDFS |
|   | hadoop.hdfs.server.namenode.TestProcessCorruptBlocks |
|   | hadoop.hdfs.server.blockmanagement.TestPendingInvalidateBlock |
|   | hadoop.hdfs.server.namenode.TestCacheDirectives |
|   | hadoop.hdfs.server.namenode.snapshot.TestSnapshotBlocksMap |
|   | hadoop.hdfs.server.balancer.TestBalancerWithEncryptedTransfer |
|   | hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFSStriped |
|   | hadoop.hdfs.server.datanode.TestNNHandlesBlockReportPerStorage |
|   | hadoop.hdfs.server.namenode.snapshot.TestSnapshotReplication |
|   | hadoop.hdfs.server.namenode.TestHostsFiles |
|   | hadoop.hdfs.TestDFSUpgradeFromImage |
|   | hadoop.hdfs.server.namenode.ha.TestFailoverWithBlockTokensEnabled |
|   | hadoop.hdfs.server.datanode.TestDataNodeMetrics |
|   | hadoop.fs.TestEnhancedByteBufferAccess |
|   | hadoop.hdfs.TestPersistBlocks |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure |
|   | hadoop.hdfs.security.TestDelegationToken |
|   | hadoop.hdfs.TestEncryptionZonesWithKMS |
|   | hadoop.hdfs.TestDFSInotifyEventInputStream |
|   | hadoop.hdfs.TestSetrepIncreasing |
|   | hadoop.hdfs.server.datanode.TestDataNodeHotSwapVolumes |
|   | hadoop.hdfs.server.datanode.TestReadOnlySharedStorage |
|   | hadoop.hdfs.TestLeaseRecoveryStriped |
|   | hadoop.hdfs.server.namenode.ha.TestHAMetrics |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestLazyPersistPolicy |
|   | hadoop.hdfs.server.namenode.TestAddBlockRetry |
|   | hadoop.hdfs.TestSafeModeWithStripedFile |
|   | hadoop.hdfs.TestSetrepDecreasing |
|   | hadoop.hdfs.TestFileAppend4 |
|   | hadoop.hdfs.TestDFSRemove |
|   | hadoop.hdfs.server.blockmanagement.TestBlockReportRateLimiting |
|   | hadoop.hdfs.TestExternalBlockReader |
|   | hadoop.hdfs.TestBlockStoragePolicy |
|   | hadoop.hdfs.TestAbandonBlock |
|   | hadoop.hdfs.TestDataTransferKeepalive |
|   | hadoop.hdfs.TestHDFSTrash |
|   | hadoop.hdfs.server.namenode.TestNameNodeAcl |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestSpaceReservation |
|   | hadoop.hdfs.TestEncryptedTransfer |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
|   | hadoop.hdfs.server.balancer.TestBalancerWithNodeGroup |
|   | hadoop.hdfs.server.namenode.TestListCorruptFileBlocks |
| JDK v1.8.0_72 Timed out junit tests | 
org.apache.hadoop.hdfs.TestLeaseRecovery2 |
|   | org.apache.hadoop.hdfs.server.datanode.TestDeleteBlockPool |
|   | org.apache.hadoop.hdfs.tools.offlineEditsViewer.TestOfflineEditsViewer |
|   | org.apache.hadoop.hdfs.TestReplication |
|   | org.apache.hadoop.hdfs.TestDatanodeDeath |
|   | org.apache.hadoop.hdfs.server.namenode.TestFSImage |
|   | org.apache.hadoop.hdfs.TestInjectionForSimulatedStorage |
|   | org.apache.hadoop.hdfs.TestDecommission |
|   | org.apache.hadoop.hdfs.server.blockmanagement.TestOverReplicatedBlocks |
|   | org.apache.hadoop.hdfs.server.namenode.TestFsck |
|   | org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing |
|   | org.apache.hadoop.hdfs.server.namenode.TestFileTruncate |
|   | org.apache.hadoop.hdfs.server.balancer.TestBalancerWithMultipleNameNodes |
|   | 
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestLazyPersistLockedMemory
 |
|   | org.apache.hadoop.hdfs.server.balancer.TestBalancer |
|   | org.apache.hadoop.hdfs.TestDatanodeReport |
|   | org.apache.hadoop.hdfs.server.namenode.TestNameNodeMXBean |
|   | org.apache.hadoop.hdfs.server.datanode.TestDiskError |
|   | org.apache.hadoop.hdfs.server.namenode.TestNamenodeRetryCache |
|   | org.apache.hadoop.hdfs.server.namenode.TestFSEditLogLoader |
|   | org.apache.hadoop.hdfs.server.namenode.TestDeleteRace |
|   | org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotDeletion |
|   | org.apache.hadoop.cli.TestHDFSCLI |
| JDK v1.7.0_95 Failed junit tests | 
hadoop.hdfs.server.balancer.TestBalancerWithHANameNodes |
|   | hadoop.hdfs.server.namenode.TestINodeFile |
|   | hadoop.hdfs.server.datanode.TestFsDatasetCache |
|   | hadoop.hdfs.server.namenode.ha.TestHASafeMode |
|   | hadoop.hdfs.shortcircuit.TestShortCircuitCache |
|   | hadoop.hdfs.TestDFSRename |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureToleration |
|   | hadoop.hdfs.server.namenode.TestStorageRestore |
|   | hadoop.hdfs.server.blockmanagement.TestNodeCount |
|   | hadoop.hdfs.TestEncryptionZones |
|   | hadoop.hdfs.server.namenode.TestFileContextAcl |
|   | hadoop.hdfs.server.datanode.TestDataXceiverLazyPersistHint |
|   | hadoop.hdfs.server.namenode.ha.TestRetryCacheWithHA |
|   | hadoop.hdfs.TestBalancerBandwidth |
|   | hadoop.hdfs.TestReadWhileWriting |
|   | hadoop.hdfs.TestFileAppend2 |
|   | hadoop.hdfs.server.mover.TestStorageMover |
|   | hadoop.hdfs.server.namenode.TestFSImageWithAcl |
|   | hadoop.hdfs.server.blockmanagement.TestBlocksWithNotEnoughRacks |
|   | hadoop.hdfs.server.namenode.TestAddBlock |
|   | hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks |
|   | hadoop.hdfs.server.datanode.TestBPOfferService |
|   | hadoop.hdfs.TestFileAppendRestart |
|   | hadoop.hdfs.server.datanode.TestTriggerBlockReport |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestLazyWriter |
|   | hadoop.hdfs.server.namenode.TestEditLog |
|   | hadoop.hdfs.server.mover.TestMover |
|   | hadoop.hdfs.TestSafeMode |
|   | hadoop.hdfs.server.namenode.TestHDFSConcat |
|   | hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFS |
|   | hadoop.hdfs.server.namenode.TestFSImageWithXAttr |
|   | hadoop.hdfs.TestRollingUpgrade |
|   | hadoop.hdfs.server.namenode.TestDecommissioningStatus |
|   | hadoop.hdfs.server.namenode.TestQuotaByStorageType |
|   | hadoop.hdfs.TestFileCreation |
|   | hadoop.hdfs.server.namenode.ha.TestQuotasWithHA |
|   | hadoop.hdfs.qjournal.TestSecureNNWithQJM |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
|   | hadoop.hdfs.server.namenode.ha.TestHAStateTransitions |
|   | hadoop.hdfs.TestModTime |
|   | hadoop.hdfs.TestAppendSnapshotTruncate |
|   | hadoop.hdfs.server.datanode.TestDataNodeRollingUpgrade |
|   | hadoop.hdfs.server.datanode.TestFsDatasetCacheRevocation |
|   | hadoop.hdfs.server.namenode.ha.TestStandbyCheckpoints |
|   | hadoop.fs.viewfs.TestViewFsDefaultValue |
|   | hadoop.hdfs.server.namenode.TestAddStripedBlocks |
|   | hadoop.hdfs.server.namenode.TestDiskspaceQuotaUpdate |
|   | hadoop.hdfs.TestReconstructStripedFile |
|   | hadoop.hdfs.server.blockmanagement.TestRBWBlockInvalidation |
|   | hadoop.hdfs.server.datanode.TestNNHandlesCombinedBlockReport |
|   | hadoop.hdfs.server.namenode.TestCheckpoint |
|   | hadoop.hdfs.server.namenode.TestDeadDatanode |
|   | hadoop.hdfs.server.namenode.ha.TestPipelinesFailover |
|   | hadoop.hdfs.web.TestWebHDFSAcl |
|   | hadoop.hdfs.server.namenode.snapshot.TestUpdatePipelineWithSnapshots |
|   | hadoop.hdfs.TestErasureCodingPolicyWithSnapshot |
|   | hadoop.hdfs.server.namenode.snapshot.TestOpenFilesWithSnapshot |
|   | hadoop.hdfs.server.balancer.TestBalancerWithSaslDataTransfer |
|   | hadoop.hdfs.server.namenode.TestNestedEncryptionZones |
|   | hadoop.hdfs.server.namenode.TestStartup |
|   | hadoop.hdfs.server.datanode.TestBlockReplacement |
|   | hadoop.hdfs.server.blockmanagement.TestBlockStatsMXBean |
|   | hadoop.hdfs.TestLeaseRecovery |
|   | hadoop.hdfs.TestFileLengthOnClusterRestart |
|   | hadoop.hdfs.TestFileAppend |
|   | hadoop.hdfs.web.TestWebHDFS |
|   | hadoop.hdfs.server.namenode.TestProcessCorruptBlocks |
|   | hadoop.hdfs.server.blockmanagement.TestPendingInvalidateBlock |
|   | hadoop.hdfs.server.namenode.TestCacheDirectives |
|   | hadoop.hdfs.server.namenode.snapshot.TestSnapshotBlocksMap |
|   | hadoop.hdfs.server.balancer.TestBalancerWithEncryptedTransfer |
|   | hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFSStriped |
|   | hadoop.hdfs.server.datanode.TestNNHandlesBlockReportPerStorage |
|   | hadoop.hdfs.server.namenode.snapshot.TestSnapshotReplication |
|   | hadoop.hdfs.server.namenode.TestHostsFiles |
|   | hadoop.hdfs.server.namenode.TestEditLogRace |
|   | hadoop.hdfs.TestDFSUpgradeFromImage |
|   | hadoop.hdfs.server.namenode.ha.TestFailoverWithBlockTokensEnabled |
|   | hadoop.hdfs.server.datanode.TestDataNodeMetrics |
|   | hadoop.fs.TestEnhancedByteBufferAccess |
|   | hadoop.hdfs.TestPersistBlocks |
|   | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure |
|   | hadoop.hdfs.security.TestDelegationToken |
|   | hadoop.hdfs.TestEncryptionZonesWithKMS |
|   | hadoop.hdfs.TestDFSInotifyEventInputStream |
|   | hadoop.hdfs.TestSetrepIncreasing |
|   | hadoop.hdfs.server.datanode.TestDataNodeHotSwapVolumes |
|   | hadoop.hdfs.server.datanode.TestReadOnlySharedStorage |
|   | hadoop.hdfs.TestLeaseRecoveryStriped |
|   | hadoop.hdfs.server.namenode.ha.TestHAMetrics |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestLazyPersistPolicy |
|   | hadoop.hdfs.server.namenode.TestAddBlockRetry |
|   | hadoop.hdfs.TestSetrepDecreasing |
|   | hadoop.hdfs.TestFileAppend4 |
|   | hadoop.hdfs.TestDFSRemove |
|   | hadoop.hdfs.server.blockmanagement.TestBlockReportRateLimiting |
|   | hadoop.hdfs.TestBlockStoragePolicy |
|   | hadoop.hdfs.TestAbandonBlock |
|   | hadoop.hdfs.server.namenode.TestNameNodeAcl |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestSpaceReservation |
|   | hadoop.hdfs.TestEncryptedTransfer |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
|   | hadoop.hdfs.server.balancer.TestBalancerWithNodeGroup |
|   | hadoop.hdfs.server.namenode.TestListCorruptFileBlocks |
| JDK v1.7.0_95 Timed out junit tests | 
org.apache.hadoop.hdfs.TestLeaseRecovery2 |
|   | org.apache.hadoop.hdfs.server.datanode.TestDeleteBlockPool |
|   | org.apache.hadoop.hdfs.tools.offlineEditsViewer.TestOfflineEditsViewer |
|   | org.apache.hadoop.hdfs.TestReplication |
|   | org.apache.hadoop.hdfs.TestDatanodeDeath |
|   | org.apache.hadoop.hdfs.server.namenode.TestFSImage |
|   | org.apache.hadoop.hdfs.TestInjectionForSimulatedStorage |
|   | org.apache.hadoop.hdfs.TestDecommission |
|   | org.apache.hadoop.hdfs.server.blockmanagement.TestOverReplicatedBlocks |
|   | org.apache.hadoop.hdfs.server.namenode.TestFsck |
|   | org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing |
|   | org.apache.hadoop.hdfs.server.namenode.TestFileTruncate |
|   | org.apache.hadoop.hdfs.server.balancer.TestBalancerWithMultipleNameNodes |
|   | 
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestLazyPersistLockedMemory
 |
|   | org.apache.hadoop.hdfs.server.balancer.TestBalancer |
|   | org.apache.hadoop.hdfs.TestDatanodeReport |
|   | org.apache.hadoop.hdfs.server.namenode.TestNameNodeMXBean |
|   | org.apache.hadoop.hdfs.server.datanode.TestDiskError |
|   | org.apache.hadoop.hdfs.server.namenode.TestNamenodeRetryCache |
|   | org.apache.hadoop.hdfs.server.namenode.TestFSEditLogLoader |
|   | org.apache.hadoop.hdfs.server.namenode.TestDeleteRace |
|   | org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotDeletion |
|   | org.apache.hadoop.cli.TestHDFSCLI |
\\
\\
|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12788126/h9710_20160216b.patch 
|
| JIRA Issue | HDFS-9710 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux b6929427ce42 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed 
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 4b0e59f |
| Default Java | 1.7.0_95 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_72 
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14509/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14509/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_72.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14509/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HDFS-Build/14509/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_72.txt
 
https://builds.apache.org/job/PreCommit-HDFS-Build/14509/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
 |
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> Change DN to send block receipt IBRs in batches
> -----------------------------------------------
>
>                 Key: HDFS-9710
>                 URL: https://issues.apache.org/jira/browse/HDFS-9710
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Tsz Wo Nicholas Sze
>         Attachments: h9710_20160201.patch, h9710_20160205.patch, 
> h9710_20160216.patch, h9710_20160216b.patch
>
>
> When a DN has received a block, it immediately sends a block receipt IBR RPC 
> to NN for reporting the block.  Even if a DN has received multiple blocks at 
> the same time, it still sends multiple RPCs.  It does not scale well since NN 
> has to process a huge number of RPCs when many DNs receiving many blocks at 
> the same time.



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