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From "mai shurong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-5449) nodemanager process is hanged, and lost from resourcemanager
Date Mon, 01 Aug 2016 07:02:20 GMT

     [ https://issues.apache.org/jira/browse/YARN-5449?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

mai shurong updated YARN-5449:
------------------------------
    Environment: 
The os version is 2.6.32-573.8.1.el6.x86_64 GNU/Linux
The java version is jdk1.7.0_45
The hadoop version is hadoop-2.2.0

  was: 2.6.32-573.8.1.el6.x86_64 GNU/Linux


> nodemanager process is hanged, and lost from resourcemanager
> ------------------------------------------------------------
>
>                 Key: YARN-5449
>                 URL: https://issues.apache.org/jira/browse/YARN-5449
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.2.0
>         Environment: The os version is 2.6.32-573.8.1.el6.x86_64 GNU/Linux
> The java version is jdk1.7.0_45
> The hadoop version is hadoop-2.2.0
>            Reporter: mai shurong
>
> The nodemanager process is hung, and lost from resourcemanager.
> The nodemanager' log is stopped from printing.
> The used cpu of nodemanager process is very low(nearly 0%).
> GC of nodemanager jvm process is stopped, and the result of jstat(jstat -gccause pid
1000 100) is as follows:
>   S0     S1     E      O      P     YGC     YGCT    FGC    FGCT     GCT    LGCC     
           GCC                 
>   0.00 100.00  95.06  24.08  30.46   3274  623.437     7    5.899  629.335 No GC    
           G1 Evacuation Pause
>   0.00 100.00  95.06  24.08  30.46   3274  623.437     7    5.899  629.335 No GC    
           G1 Evacuation Pause
>   0.00 100.00  95.06  24.08  30.46   3274  623.437     7    5.899  629.335 No GC    
           G1 Evacuation Pause
>   0.00 100.00  95.06  24.08  30.46   3274  623.437     7    5.899  629.335 No GC    
           G1 Evacuation Pause
>   0.00 100.00  95.06  24.08  30.46   3274  623.437     7    5.899  629.335 No GC    
           G1 Evacuation Pause
>   0.00 100.00  95.06  24.08  30.46   3274  623.437     7    5.899  629.335 No GC    
           G1 Evacuation Pause
> The nodemanager jvm process is also accur this problem using CMS garbage collector or
g1 garbage collector.
> The parameters of CMS garbage collector are as following:
> -Xmx4096m  -Xmn1024m  -XX:PermSize=128m -XX:MaxPermSize=128m -XX:+UseConcMarkSweepGC
-XX:+CMSConcurrentMTEnabled -XX:ConcGCThreads=4 -XX:+UseCMSCom pactAtFullCollection -XX:CMSFullGCsBeforeCompaction=8
-XX:ParallelGCThreads=4 -XX:CMSInitiatingOccupancyFraction=70 
> The parameters of g1 garbage collector are as following:
> -Xmx8g -Xms8g -XX:PermSize=128m -XX:MaxPermSize=128m -XX:+UseG1GC  -XX:MaxGCPauseMillis=1000
-XX:G1ReservePercent=30 -XX:InitiatingHeapOccupancyPercent=45 -XX:ConcGCThreads=4  -XX:+PrintAdaptiveSizePolicy



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