[ 
https://issues.apache.org/jira/browse/HDFS-13945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16631374#comment-16631374
 ] 

Hadoop QA commented on HDFS-13945:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
44s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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 2 new or modified test 
files. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 23m 
10s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
14s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  1m 
 4s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
26s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
15m  2s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m 
24s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
54s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
11s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
11s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 55s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch 
generated 6 new + 57 unchanged - 0 fixed = 63 total (was 57) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
13m 57s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  2m 
31s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
58s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}101m 50s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
30s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}170m 15s{color} | 
{color:black} {color} |
\\
\\
|| Reason || Tests ||
| Failed junit tests | hadoop.hdfs.TestLeaseRecovery2 |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
\\
\\
|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:4b8c2b1 |
| JIRA Issue | HDFS-13945 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12941624/HDFS-13945-02.patch |
| Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  
mvnsite  unit  shadedclient  findbugs  checkstyle  |
| uname | Linux 2ec31c6c8f1e 3.13.0-153-generic #203-Ubuntu SMP Thu Jun 14 
08:52:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 5c8d907 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_181 |
| findbugs | v3.1.0-RC1 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/25157/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/25157/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/25157/testReport/ |
| Max. process+thread count | 2976 (vs. ulimit of 10000) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/25157/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> TestDataNodeVolumeFailure is Flaky
> ----------------------------------
>
>                 Key: HDFS-13945
>                 URL: https://issues.apache.org/jira/browse/HDFS-13945
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Ayush Saxena
>            Assignee: Ayush Saxena
>            Priority: Major
>         Attachments: HDFS-13945-01.patch, HDFS-13945-02.patch
>
>
> The test is failing in trunk since long.
> Reference -
> [https://builds.apache.org/job/PreCommit-HDFS-Build/25140/testReport/junit/org.apache.hadoop.hdfs.server.datanode/TestDataNodeVolumeFailure/testUnderReplicationAfterVolFailure/]
>  
> [https://builds.apache.org/job/PreCommit-HDFS-Build/25135/testReport/junit/org.apache.hadoop.hdfs.server.datanode/TestDataNodeVolumeFailure/testUnderReplicationAfterVolFailure/]
>  
> [https://builds.apache.org/job/PreCommit-HDFS-Build/25133/testReport/junit/org.apache.hadoop.hdfs.server.datanode/TestDataNodeVolumeFailure/testUnderReplicationAfterVolFailure/]
>  
> [https://builds.apache.org/job/PreCommit-HDFS-Build/25104/testReport/junit/org.apache.hadoop.hdfs.server.datanode/TestDataNodeVolumeFailure/testUnderReplicationAfterVolFailure/]
>  
>  
> Stack Trace -
>  
> Timed out waiting for condition. Thread diagnostics: Timestamp: 2018-09-26 
> 03:32:07,162 "IPC Server handler 2 on 33471" daemon prio=5 tid=2931 
> timed_waiting java.lang.Thread.State: TIMED_WAITING at 
> sun.misc.Unsafe.park(Native Method) at 
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
>  at 
> java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467) 
> at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:288) at 
> org.apache.hadoop.ipc.Server$Handler.run(Server.java:2668) "IPC Server 
> handler 3 on 34285" daemon prio=5 tid=2646 timed_waiting 
> java.lang.Thread.State: TIMED_WAITING at sun.misc.Unsafe.park(Native Method) 
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
>  at 
> java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467) 
> at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:288) at 
> org.apache.hadoop.ipc.Server$Handler.run(Server.java:2668) 
> "org.apache.hadoop.util.JvmPauseMonitor$Monitor@1d2ee4cd" daemon prio=5 
> tid=2633 timed_waiting java.lang.Thread.State: TIMED_WAITING at 
> java.lang.Thread.sleep(Native Method) at 
> org.apache.hadoop.util.JvmPauseMonitor$Monitor.run(JvmPauseMonitor.java:192) 
> at java.lang.Thread.run(Thread.java:748) "IPC Server Responder" daemon prio=5 
> tid=2766 runnable java.lang.Thread.State: RUNNABLE at 
> sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at 
> sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at 
> sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at 
> sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) at 
> sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at 
> org.apache.hadoop.ipc.Server$Responder.doRunLoop(Server.java:1334) at 
> org.apache.hadoop.ipc.Server$Responder.run(Server.java:1317) 
> "org.eclipse.jetty.server.session.HashSessionManager@1287fc65Timer" daemon 
> prio=5 tid=2492 timed_waiting java.lang.Thread.State: TIMED_WAITING at 
> sun.misc.Unsafe.park(Native Method) at 
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
>  at 
> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
>  at 
> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
>  at 
> java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074) 
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
>  at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  at java.lang.Thread.run(Thread.java:748) "qtp548667392-2533" daemon prio=5 
> tid=2533 timed_waiting java.lang.Thread.State: TIMED_WAITING at 
> sun.misc.Unsafe.park(Native Method) at 
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
>  at 
> org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392) 
> at 
> org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
>  at 
> org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
>  at 
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
>  at java.lang.Thread.run(Thread.java:748) 
> "org.apache.hadoop.hdfs.server.namenode.FSNamesystem$NameNodeResourceMonitor@63818b03"
>  daemon prio=5 tid=2521 timed_waiting java.lang.Thread.State: TIMED_WAITING 
> at java.lang.Thread.sleep(Native Method) at 
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem$NameNodeResourceMonitor.run(FSNamesystem.java:4045)
>  at java.lang.Thread.run(Thread.java:748) 
> "BP-1973654218-172.17.0.2-1537975830395 heartbeating to 
> localhost/127.0.0.1:43522" daemon prio=5 tid=2640 timed_waiting 
> java.lang.Thread.State: TIMED_WAITING at java.lang.Object.wait(Native Method) 
> at 
> org.apache.hadoop.hdfs.server.datanode.IncrementalBlockReportManager.waitTillNextIBR(IncrementalBlockReportManager.java:158)
>  at 
> org.apache.hadoop.hdfs.server.datanode.BPServiceActor.offerService(BPServiceActor.java:717)
>  at 
> org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:844)
>  at java.lang.Thread.run(Thread.java:748) 
> "AsyncAppender-Dispatcher-Thread-38" daemon prio=5 tid=70 in Object.wait() 
> java.lang.Thread.State: WAITING (on object monitor) at 
> java.lang.Object.wait(Native Method) at 
> java.lang.Object.wait(Object.java:502) at 
> org.apache.log4j.AsyncAppender$Dispatcher.run(AsyncAppender.java:548) at 
> java.lang.Thread.run(Thread.java:748) "IPC Server listener on 43522" daemon 
> prio=5 tid=2499 runnable java.lang.Thread.State: RUNNABLE at 
> sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at 
> sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at 
> sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at 
> sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) at 
> sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at 
> sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at 
> org.apache.hadoop.ipc.Server$Listener.run(Server.java:1159) "IPC Server 
> handler 8 on 34285" daemon prio=5 tid=2651 timed_waiting 
> java.lang.Thread.State: TIMED_WAITING at sun.misc.Unsafe.park(Native Method) 
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
>  at 
> java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467) 
> at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:288) at 
> org.apache.hadoop.ipc.Server$Handler.run(Server.java:2668) 
> "nioEventLoopGroup-30-1" prio=10 tid=2824 runnable java.lang.Thread.State: 
> RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at 
> sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at 
> sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at 
> sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) at 
> sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at 
> io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
>  at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:754) at 
> io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:410) at 
> io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:131)
>  at 
> io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138)
>  at java.lang.Thread.run(Thread.java:748) "IPC Server handler 7 on 43522" 
> daemon prio=5 tid=2515 timed_waiting java.lang.Thread.State: TIMED_WAITING at 
> sun.misc.Unsafe.park(Native Method) at 
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
>  at 
> java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467) 
> at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:288) at 
> org.apache.hadoop.ipc.Server$Handler.run(Server.java:2668) 
> "qtp1255640117-2483" daemon prio=5 tid=2483 runnable java.lang.Thread.State: 
> RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at 
> sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at 
> sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at 
> sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) at 
> sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at 
> sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at 
> org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
>  at 
> org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
>  at 
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
>  at 
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
>  at 
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
>  at org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147) at 
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
>  at 
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
>  at java.lang.Thread.run(Thread.java:748) 
> "org.apache.hadoop.hdfs.server.datanode.DataXceiverServer@2b2f4b0a" daemon 
> prio=5 tid=2815 runnable java.lang.Thread.State: RUNNABLE at 
> sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) at 
> sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422) 
> at 
> sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250) 
> at sun.nio.ch.ServerSocketAdaptor.accept(ServerSocketAdaptor.java:100) at 
> org.apache.hadoop.hdfs.net.TcpPeerServer.accept(TcpPeerServer.java:85) at 
> org.apache.hadoop.hdfs.server.datanode.DataXceiverServer.run(DataXceiverServer.java:145)
>  at java.lang.Thread.run(Thread.java:748) "IPC Server handler 8 on 37367" 
> daemon prio=5 tid=2779 timed_waiting
>  
> Timed out waiting for condition. Thread diagnostics: Timestamp: 2018-09-26 
> 03:32:07,162 "IPC Server handler 2 on 33471" daemon prio=5 tid=2931 
> timed_waiting java.lang.Thread.State: TIMED_WAITING at 
> sun.misc.Unsafe.park(Native Method) at 
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
>  at 
> java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467) 
> at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:288) at 
> org.apache.hadoop.ipc.Server$Handler.run(Server.java:2668) "IPC Server 
> handler 3 on 34285" daemon prio=5 tid=2646 timed_waiting 
> java.lang.Thread.State: TIMED_WAITING at sun.misc.Unsafe.park(Native Method) 
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
>  at 
> java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467) 
> at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:288) at 
> org.apache.hadoop.ipc.Server$Handler.run(Server.java:2668) 
> "org.apache.hadoop.util.JvmPauseMonitor$Monitor@1d2ee4cd" daemon prio=5 
> tid=2633 timed_waiting java.lang.Thread.State: TIMED_WAITING at 
> java.lang.Thread.sleep(Native Method) at 
> org.apache.hadoop.util.JvmPauseMonitor$Monitor.run(JvmPauseMonitor.java:192) 
> at java.lang.Thread.run(Thread.java:748) "IPC Server Responder" daemon prio=5 
> tid=2766 runnable java.lang.Thread.State: RUNNABLE at 
> sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at 
> sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at 
> sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at 
> sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) at 
> sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at 
> org.apache.hadoop.ipc.Server$Responder.doRunLoop(Server.java:1334) at 
> org.apache.hadoop.ipc.Server$Responder.run(Server.java:1317) 
> "org.eclipse.jetty.server.session.HashSessionManager@1287fc65Timer" daemon 
> prio=5 tid=2492 timed_waiting java.lang.Thread.State: TIMED_WAITING at 
> sun.misc.Unsafe.park(Native Method) at 
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
>  at 
> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
>  at 
> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
>  at 
> java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074) 
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
>  at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  at java.lang.Thread.run(Thread.java:748) "qtp548667392-2533" daemon prio=5 
> tid=2533 timed_waiting java.lang.Thread.State: TIMED_WAITING at 
> sun.misc.Unsafe.park(Native Method) at 
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
>  at 
> org.eclipse.jetty.util.BlockingArrayQueue.poll(BlockingArrayQueue.java:392) 
> at 
> org.eclipse.jetty.util.thread.QueuedThreadPool.idleJobPoll(QueuedThreadPool.java:563)
>  at 
> org.eclipse.jetty.util.thread.QueuedThreadPool.access$800(QueuedThreadPool.java:48)
>  at 
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)
>  at java.lang.Thread.run(Thread.java:748) 
> "org.apache.hadoop.hdfs.server.namenode.FSNamesystem$NameNodeResourceMonitor@63818b03"
>  daemon prio=5 tid=2521 timed_waiting java.lang.Thread.State: TIMED_WAITING 
> at java.lang.Thread.sleep(Native Method) at 
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem$NameNodeResourceMonitor.run(FSNamesystem.java:4045)
>  at java.lang.Thread.run(Thread.java:748) 
> "BP-1973654218-172.17.0.2-1537975830395 heartbeating to 
> localhost/127.0.0.1:43522" daemon prio=5 tid=2640 timed_waiting 
> java.lang.Thread.State: TIMED_WAITING at java.lang.Object.wait(Native Method) 
> at 
> org.apache.hadoop.hdfs.server.datanode.IncrementalBlockReportManager.waitTillNextIBR(IncrementalBlockReportManager.java:158)
>  at 
> org.apache.hadoop.hdfs.server.datanode.BPServiceActor.offerService(BPServiceActor.java:717)
>  at 
> org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:844)
>  at java.lang.Thread.run(Thread.java:748) 
> "AsyncAppender-Dispatcher-Thread-38" daemon prio=5 tid=70 in Object.wait() 
> java.lang.Thread.State: WAITING (on object monitor) at 
> java.lang.Object.wait(Native Method) at 
> java.lang.Object.wait(Object.java:502) at 
> org.apache.log4j.AsyncAppender$Dispatcher.run(AsyncAppender.java:548) at 
> java.lang.Thread.run(Thread.java:748) "IPC Server listener on 43522" daemon 
> prio=5 tid=2499 runnable java.lang.Thread.State: RUNNABLE at 
> sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at 
> sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at 
> sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at 
> sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) at 
> sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at 
> sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at 
> org.apache.hadoop.ipc.Server$Listener.run(Server.java:1159) "IPC Server 
> handler 8 on 34285" daemon prio=5 tid=2651 timed_waiting 
> java.lang.Thread.State: TIMED_WAITING at sun.misc.Unsafe.park(Native Method) 
> at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
>  at 
> java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467) 
> at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:288) at 
> org.apache.hadoop.ipc.Server$Handler.run(Server.java:2668) 
> "nioEventLoopGroup-30-1" prio=10 tid=2824 runnable java.lang.Thread.State: 
> RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at 
> sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at 
> sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at 
> sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) at 
> sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at 
> io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
>  at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:754) at 
> io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:410) at 
> io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:131)
>  at 
> io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138)
>  at java.lang.Thread.run(Thread.java:748) "IPC Server handler 7 on 43522" 
> daemon prio=5 tid=2515 timed_waiting java.lang.Thread.State: TIMED_WAITING at 
> sun.misc.Unsafe.park(Native Method) at 
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215) at 
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
>  at 
> java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467) 
> at org.apache.hadoop.ipc.CallQueueManager.take(CallQueueManager.java:288) at 
> org.apache.hadoop.ipc.Server$Handler.run(Server.java:2668) 
> "qtp1255640117-2483" daemon prio=5 tid=2483 runnable java.lang.Thread.State: 
> RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at 
> sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at 
> sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at 
> sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) at 
> sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at 
> sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101) at 
> org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:243)
>  at 
> org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:191)
>  at 
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:249)
>  at 
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
>  at 
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.execute(ExecuteProduceConsume.java:100)
>  at org.eclipse.jetty.io.ManagedSelector.run(ManagedSelector.java:147) at 
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
>  at 
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
>  at java.lang.Thread.run(Thread.java:748) 
> "org.apache.hadoop.hdfs.server.datanode.DataXceiverServer@2b2f4b0a" daemon 
> prio=5 tid=2815 runnable java.lang.Thread.State: RUNNABLE at 
> sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method) at 
> sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:422) 
> at 
> sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:250) 
> at sun.nio.ch.ServerSocketAdaptor.accept(ServerSocketAdaptor.java:100) at 
> org.apache.hadoop.hdfs.net.TcpPeerServer.accept(TcpPeerServer.java:85) at 
> org.apache.hadoop.hdfs.server.datanode.DataXceiverServer.run(DataXceiverServer.java:145)
>  at java.lang.Thread.run(Thread.java:748) "IPC Server handler 8 on 37367" 
> daemon prio=5 tid=2779 timed_waiting



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