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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-9022) TestHLogSplit.testIOEOnOutputThread fails
Date Thu, 25 Jul 2013 19:52:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-9022?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-9022:
-------------------------

    Attachment: 9022.yet-more-logging.txt

Failed here: http://54.241.6.143/job/HBase-0.95-Hadoop-2/org.apache.hbase$hbase-server/693/testReport/org.apache.hadoop.hbase.regionserver.wal/TestHLogSplitCompressed/testIOEOnOutputThread/

Blocked trying to take:

{code}
Thread 408 (Thread-298):
  State: WAITING
  Blocked count: 481
  Waited count: 495
  Waiting on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@438b1699
  Stack:
    sun.misc.Unsafe.park(Native Method)
    java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
    java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987)
    java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
    java.util.concurrent.ExecutorCompletionService.take(ExecutorCompletionService.java:164)
    org.apache.hadoop.hbase.regionserver.wal.HLogSplitter$LogRecoveredEditsOutputSink.close(HLogSplitter.java:1089)
    org.apache.hadoop.hbase.regionserver.wal.HLogSplitter$LogRecoveredEditsOutputSink.finishWritingAndClose(HLogSplitter.java:999)
    org.apache.hadoop.hbase.regionserver.wal.HLogSplitter.splitLogFile(HLogSplitter.java:336)
    org.apache.hadoop.hbase.regionserver.wal.TestHLogSplit.testIOEOnOutputThread(TestHLogSplit.java:837)
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    java.lang.reflect.Method.invoke(Method.java:597)
    org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
    org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
    org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
{code}

More logging.  I do not understand whe we are blocked doing a take from the blocking queue
when we use ExecutorCompletionService  We are counting wrong when one file is closed first
but I do not see how (I see only one thread in the pool of threads passed to ECS though we
have two files to close).
                
> TestHLogSplit.testIOEOnOutputThread fails
> -----------------------------------------
>
>                 Key: HBASE-9022
>                 URL: https://issues.apache.org/jira/browse/HBASE-9022
>             Project: HBase
>          Issue Type: Bug
>            Reporter: stack
>         Attachments: 9022.addthreaddumping-part2.txt, 9022.addthreaddumping.txt, 9022.txt,
9022.txt, 9022.txt, 9022.yet-more-logging.txt
>
>
> https://builds.apache.org/job/PreCommit-HBASE-Build/6428//testReport/org.apache.hadoop.hbase.regionserver.wal/TestHLogSplit/testIOEOnOutputThread/

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