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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6062) nodemanager memory leak
Date Fri, 06 Jan 2017 16:47:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-6062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15804967#comment-15804967
] 

Rohith Sharma K S commented on YARN-6062:
-----------------------------------------

Recently,  similar issue(YARN-6017) has been reported in same community Hadoop version. But
not sure root cause is same. It would be help full if we get more info such as 
# *jmap -heap 6653*
# out put of */proc/6653/smaps*
# jstack 6653 (do not help directly, but to see thread details)

IIUC, HADOOP-13362 leads to heap memory OOM right. But here RES memory is leaking. Does HADOOP-13362
fixes RES leak also? cc:-/[~djp]

> nodemanager memory leak
> -----------------------
>
>                 Key: YARN-6062
>                 URL: https://issues.apache.org/jira/browse/YARN-6062
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.7.1
>            Reporter: gehaijiang
>
>  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>  8986 data      20   0 21.3g  19g 7376 S  5.5 20.7   2458:09 java
> 38432 data      20   0  9.8g 7.9g 6300 S 95.5  8.4  35273:23 java
>  6653 data      20   0 4558m 3.4g  10m S  9.2  3.6   6640:37 java
> $ jps
> 6653 NodeManager
> Nodemanager memory has been up,Reach  10G。
> nodemanager   yarn-env.sh  configure  (2G)
> YARN_NODEMANAGER_OPTS=" -Xms2048m -Xmn768m -Xloggc:${YARN_LOG_DIR}/nodemanager.gc.log
-XX:+PrintGCDateStamps -XX:+PrintGCDetails -XX:+PrintGCTimeStamps"



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