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From "Rohith (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3585) NodeManager cannot exit on SHUTDOWN event triggered and NM recovery is enabled
Date Mon, 01 Jun 2015 11:54:19 GMT

    [ https://issues.apache.org/jira/browse/YARN-3585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14567201#comment-14567201
] 

Rohith commented on YARN-3585:
------------------------------

-1 for findbug, does not show any error report, but not sure why -1 given.
Test failure is unrelated to this patch.

[~jlowe] Kindly review the patch. 

> NodeManager cannot exit on SHUTDOWN event triggered and NM recovery is enabled
> ------------------------------------------------------------------------------
>
>                 Key: YARN-3585
>                 URL: https://issues.apache.org/jira/browse/YARN-3585
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.6.0
>            Reporter: Peng Zhang
>            Assignee: Rohith
>            Priority: Critical
>         Attachments: YARN-3585.patch
>
>
> With NM recovery enabled, after decommission, nodemanager log show stop but process cannot
end. 
> non daemon thread:
> {noformat}
> "DestroyJavaVM" prio=10 tid=0x00007f3460011800 nid=0x29ec waiting on condition [0x0000000000000000]
> "leveldb" prio=10 tid=0x00007f3354001800 nid=0x2a97 runnable [0x0000000000000000]
> "VM Thread" prio=10 tid=0x00007f3460167000 nid=0x29f8 runnable 
> "Gang worker#0 (Parallel GC Threads)" prio=10 tid=0x00007f3460020000 nid=0x29ed runnable

> "Gang worker#1 (Parallel GC Threads)" prio=10 tid=0x00007f3460022000 nid=0x29ee runnable

> "Gang worker#2 (Parallel GC Threads)" prio=10 tid=0x00007f3460024000 nid=0x29ef runnable

> "Gang worker#3 (Parallel GC Threads)" prio=10 tid=0x00007f3460025800 nid=0x29f0 runnable

> "Gang worker#4 (Parallel GC Threads)" prio=10 tid=0x00007f3460027800 nid=0x29f1 runnable

> "Gang worker#5 (Parallel GC Threads)" prio=10 tid=0x00007f3460029000 nid=0x29f2 runnable

> "Gang worker#6 (Parallel GC Threads)" prio=10 tid=0x00007f346002b000 nid=0x29f3 runnable

> "Gang worker#7 (Parallel GC Threads)" prio=10 tid=0x00007f346002d000 nid=0x29f4 runnable

> "Concurrent Mark-Sweep GC Thread" prio=10 tid=0x00007f3460120800 nid=0x29f7 runnable

> "Gang worker#0 (Parallel CMS Threads)" prio=10 tid=0x00007f346011c800 nid=0x29f5 runnable

> "Gang worker#1 (Parallel CMS Threads)" prio=10 tid=0x00007f346011e800 nid=0x29f6 runnable

> "VM Periodic Task Thread" prio=10 tid=0x00007f346019f800 nid=0x2a01 waiting on condition

> {noformat}
> and jni leveldb thread stack
> {noformat}
> Thread 12 (Thread 0x7f33dd842700 (LWP 10903)):
> #0  0x0000003d8340b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
> #1  0x00007f33dfce2a3b in leveldb::(anonymous namespace)::PosixEnv::BGThreadWrapper(void*)
() from /tmp/libleveldbjni-64-1-6922178968300745716.8
> #2  0x0000003d83407851 in start_thread () from /lib64/libpthread.so.0
> #3  0x0000003d830e811d in clone () from /lib64/libc.so.6
> {noformat}



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