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Posted to yarn-dev@hadoop.apache.org by "Haibo Chen (JIRA)" <ji...@apache.org> on 2017/12/03 17:10:00 UTC

[jira] [Created] (YARN-7602) NM should reference the singleton JvmMetrics instance

Haibo Chen created YARN-7602:
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             Summary: NM should reference the singleton JvmMetrics instance
                 Key: YARN-7602
                 URL: https://issues.apache.org/jira/browse/YARN-7602
             Project: Hadoop YARN
          Issue Type: Bug
          Components: nodemanager
    Affects Versions: 3.0.0-beta1
            Reporter: Haibo Chen
            Assignee: Haibo Chen


NM does not reference the singleton JvmMetrics instance in its NodeManagerMetrics. This will easily cause NM to crash if any of the node manager components tries to register JvmMetrics. An example of this is TimelineCollectorManager that hosts a HBaseClient that registers JvmMetrics again. See HBASE-19409 for details.



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