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https://issues.apache.org/jira/browse/HDFS-11192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15982768#comment-15982768
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xupeng commented on HDFS-11192:
-------------------------------
Hi all:
Is there any update on this issue ?
I have also run into the same condition HDFS-8865 resolved. And wanna know if i
can merge HDFS-8865 to my repo ?
> 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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