tangshangwen created YARN-5482:
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Summary: ContainerMetric Lead to memory leaks
Key: YARN-5482
URL: https://issues.apache.org/jira/browse/YARN-5482
Project: Hadoop YARN
Issue Type: Bug
Affects Versions: 2.7.1
Reporter: tangshangwen
Assignee: tangshangwen
In our cluster, I often find NodeManager OOM, I dump the heap file and found
ContainerMetric takes up a lot of memory
{code}
export YARN_NODEMANAGER_OPTS="-Xmx2g -Xms2g -Xmn1g -XX:PermSize=128M
-XX:MaxPermSize=128M -XX:+DisableExplicitGC -XX:+HeapDumpOnOutOfMemoryError
-XX:HeapDumpPath=/data1/yarn-logs/nm_dump.log -Dcom.sun.management.jmxremote
-Xloggc:/data1/yarn-logs/nm_gc.log -verbose:gc -XX:+PrintGCDetails
-XX:+PrintGCDateStamps -XX:+PrintGCApplicationStoppedTime
-XX:+PrintGCApplicationConcurrentTime -XX:+PrintTenuringDistribution
-XX:ErrorFile=/data1/yarn-logs/nm_err_pid"
{code}
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