[jira] [Created] (YARN-5482) ContainerMetric Lead to memory leaks

["tangshangwen (JIRA)" <ji...@apache.org>]

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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