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https://issues.apache.org/jira/browse/YARN-3585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14560965#comment-14560965
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Rohith commented on YARN-3585:
------------------------------
I have attached NM logs and thread dump in YARN-3640. Would get it from
YARN-3640?
> 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
> Priority: Critical
>
> 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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