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From "chenrongwei (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6017) node manager physical memory leak
Date Tue, 17 Jan 2017 11:17:26 GMT

    [ https://issues.apache.org/jira/browse/YARN-6017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15825870#comment-15825870
] 

chenrongwei commented on YARN-6017:
-----------------------------------

Thanks for Bibin A Chundatt 's answer. we used jdk 1.7u80 to run node manager, and fixed this
problem. So this bug is caused by jdk indeed.

> node manager physical memory leak
> ---------------------------------
>
>                 Key: YARN-6017
>                 URL: https://issues.apache.org/jira/browse/YARN-6017
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn
>    Affects Versions: 2.7.1
>         Environment: OS:
> Linux guomai124041 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64 x86_64
x86_64 GNU/Linux
> jvm:
> java version "1.7.0_65"
> Java(TM) SE Runtime Environment (build 1.7.0_65-b17)
> Java HotSpot(TM) 64-Bit Server VM (build 24.65-b04, mixed mode)
>            Reporter: chenrongwei
>         Attachments: 31169_smaps.txt, 31169_smaps.txt
>
>
> In our produce environment, node manager's jvm memory has been set to '-Xmx2048m',but
we notice that after a long time running the process' actual physical memory size had been
reached to 12g (we got this value by top command as follow).
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> 31169 data      20   0 13.2g  12g 6092 S 16.9 13.0  49183:13 java
> 31169:   /usr/local/jdk/bin/java -Dproc_nodemanager -Xmx2048m -Dhadoop.log.dir=/home/data/programs/apache-hadoop-2.7.1/logs
-Dyarn.log.dir=/home/data/programs/apache-hadoop-2.7.1/logs -Dhadoop.log.file=yarn-data-nodemanager.log
-Dyarn.log.file=yarn-data-nodemanager.log -Dyarn.home.dir= -Dyarn.id.str=data -Dhadoop.root.logger=INFO,RFA
-Dyarn.root.logger=INFO,RFA -Djava.library.path=/home/data/programs/apache-hadoop-2.7.1/lib/native
-Dyarn.policy.file=hadoop-policy.xml -XX:PermSize=128M -XX:MaxPermSize=256M -XX:+UseC
> Address           Kbytes Mode  Offset           Device    Mapping
> 0000000000400000       4 r-x-- 0000000000000000 008:00001 java
> 0000000000600000       4 rw--- 0000000000000000 008:00001 java
> 0000000000601000 10094936 rw--- 0000000000000000 000:00000   [ anon ]
> 0000000770000000 2228224 rw--- 0000000000000000 000:00000   [ anon ]
> 00000007f8000000  131072 rw--- 0000000000000000 000:00000   [ anon ]
> 000000325ee00000     128 r-x-- 0000000000000000 008:00001 ld-2.12.so
> 000000325f01f000       4 r---- 000000000001f000 008:00001 ld-2.12.so
> 000000325f020000       4 rw--- 0000000000020000 008:00001 ld-2.12.so
> 000000325f021000       4 rw--- 0000000000000000 000:00000   [ anon ]
> 000000325f200000    1576 r-x-- 0000000000000000 008:00001 libc-2.12.so
> 000000325f38a000    2048 ----- 000000000018a000 008:00001 libc-2.12.so
> 000000325f58a000      16 r---- 000000000018a000 008:00001 libc-2.12.so
> 000000325f58e000       4 rw--- 000000000018e000 008:00001 libc-2.12.so
> 000000325f58f000      20 rw--- 0000000000000000 000:00000   [ anon ]
> 000000325f600000      92 r-x-- 0000000000000000 008:00001 libpthread-2.12.so
> 000000325f617000    2048 ----- 0000000000017000 008:00001 libpthread-2.12.so
> 000000325f817000       4 r---- 0000000000017000 008:00001 libpthread-2.12.so
> 000000325f818000       4 rw--- 0000000000018000 008:00001 libpthread-2.12.so
> 000000325f819000      16 rw--- 0000000000000000 000:00000   [ anon ]
> 000000325fa00000       8 r-x-- 0000000000000000 008:00001 libdl-2.12.so
> 000000325fa02000    2048 ----- 0000000000002000 008:00001 libdl-2.12.so
> 000000325fc02000       4 r---- 0000000000002000 008:00001 libdl-2.12.so
> 000000325fc03000       4 rw--- 0000000000003000 008:00001 libdl-2.12.so
> 000000325fe00000      28 r-x-- 0000000000000000 008:00001 librt-2.12.so
> 000000325fe07000    2044 ----- 0000000000007000 008:00001 librt-2.12.so
> 0000003260006000       4 r---- 0000000000006000 008:00001 librt-2.12.so
> 0000003260007000       4 rw--- 0000000000007000 008:00001 librt-2.12.so
> 0000003260200000     524 r-x-- 0000000000000000 008:00001 libm-2.12.so
> 0000003260283000    2044 ----- 0000000000083000 008:00001 libm-2.12.so
> 0000003260482000       4 r---- 0000000000082000 008:00001 libm-2.12.so
> 0000003260483000       4 rw--- 0000000000083000 008:00001 libm-2.12.so
> 0000003261200000      88 r-x-- 0000000000000000 008:00001 libresolv-2.12.so
> 0000003261216000    2048 ----- 0000000000016000 008:00001 libresolv-2.12.so
> 0000003261416000       4 r---- 0000000000016000 008:00001 libresolv-2.12.so
> 0000003261417000       4 rw--- 0000000000017000 008:00001 libresolv-2.12.so



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