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https://issues.apache.org/jira/browse/YARN-6017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15771984#comment-15771984
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Rajesh Balamohan commented on YARN-6017:
----------------------------------------
Can you share the details of
{noformat}
jmap -heap <pid>
{noformat}
Can you also get the heapdump if the proc is still alive?
{noformat}
jmap -dump:format=b,file=/tmp/nm.hprof <PID>
{noformat}
> 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
>
> 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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