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From Íñigo Goiri (JIRA) <j...@apache.org>
Subject [jira] [Commented] (HDFS-13945) TestDataNodeVolumeFailure is Flaky
Date Thu, 27 Sep 2018 18:35:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16630875#comment-16630875
] 

Íñigo Goiri commented on HDFS-13945:
------------------------------------

Thanks [~ayushtkn] for opening this.
Can you give an overview of what the fix is?
* Why is {{getInstanceStorageDir()}} not working and you have to use the full method?
* Why you create the file later now?

> 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
>
>
> 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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