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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11192) OOM during Quota Initialization lead to Namenode hang
Date Thu, 01 Dec 2016 01:57:58 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Brahma Reddy Battula updated HDFS-11192:
----------------------------------------
    Description: 
AFAIK ,In RecurisveTask Execution, When ForkjoinThreadpool's thread dies or not able to create,it
will not notify the parent.Parent still waiting for the notify call..that's not timed waiting
also.

 *Trace from Namenode log* 


{noformat}
Exception in thread "ForkJoinPool-1-worker-2" Exception in thread "ForkJoinPool-1-worker-3"
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at java.util.concurrent.ForkJoinPool.createWorker(ForkJoinPool.java:1486)
        at java.util.concurrent.ForkJoinPool.tryAddWorker(ForkJoinPool.java:1517)
        at java.util.concurrent.ForkJoinPool.deregisterWorker(ForkJoinPool.java:1609)
        at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:167)
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at java.util.concurrent.ForkJoinPool.createWorker(ForkJoinPool.java:1486)
        at java.util.concurrent.ForkJoinPool.tryAddWorker(ForkJoinPool.java:1517)
        at java.util.concurrent.ForkJoinPool.deregisterWorker(ForkJoinPool.java:1609)
        at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:167)
{noformat}

  was:
 *Trace from Namenode log* 


{noformat}
Exception in thread "ForkJoinPool-1-worker-2" Exception in thread "ForkJoinPool-1-worker-3"
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at java.util.concurrent.ForkJoinPool.createWorker(ForkJoinPool.java:1486)
        at java.util.concurrent.ForkJoinPool.tryAddWorker(ForkJoinPool.java:1517)
        at java.util.concurrent.ForkJoinPool.deregisterWorker(ForkJoinPool.java:1609)
        at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:167)
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at java.util.concurrent.ForkJoinPool.createWorker(ForkJoinPool.java:1486)
        at java.util.concurrent.ForkJoinPool.tryAddWorker(ForkJoinPool.java:1517)
        at java.util.concurrent.ForkJoinPool.deregisterWorker(ForkJoinPool.java:1609)
        at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:167)
{noformat}


> OOM during Quota Initialization lead to Namenode hang
> -----------------------------------------------------
>
>                 Key: HDFS-11192
>                 URL: https://issues.apache.org/jira/browse/HDFS-11192
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>         Attachments: namenodeThreadDump.out
>
>
> AFAIK ,In RecurisveTask Execution, When ForkjoinThreadpool's thread dies or not able
to create,it will not notify the parent.Parent still waiting for the notify call..that's not
timed waiting also.
>  *Trace from Namenode log* 
> {noformat}
> Exception in thread "ForkJoinPool-1-worker-2" Exception in thread "ForkJoinPool-1-worker-3"
java.lang.OutOfMemoryError: unable to create new native thread
>         at java.lang.Thread.start0(Native Method)
>         at java.lang.Thread.start(Thread.java:714)
>         at java.util.concurrent.ForkJoinPool.createWorker(ForkJoinPool.java:1486)
>         at java.util.concurrent.ForkJoinPool.tryAddWorker(ForkJoinPool.java:1517)
>         at java.util.concurrent.ForkJoinPool.deregisterWorker(ForkJoinPool.java:1609)
>         at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:167)
> java.lang.OutOfMemoryError: unable to create new native thread
>         at java.lang.Thread.start0(Native Method)
>         at java.lang.Thread.start(Thread.java:714)
>         at java.util.concurrent.ForkJoinPool.createWorker(ForkJoinPool.java:1486)
>         at java.util.concurrent.ForkJoinPool.tryAddWorker(ForkJoinPool.java:1517)
>         at java.util.concurrent.ForkJoinPool.deregisterWorker(ForkJoinPool.java:1609)
>         at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:167)
> {noformat}



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