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Posted to yarn-dev@hadoop.apache.org by "Chengbing Liu (JIRA)" <ji...@apache.org> on 2015/06/18 12:12:00 UTC

[jira] [Created] (YARN-3826) Race condition in ResourceTrackerService: potential wrong diagnostics messages

Chengbing Liu created YARN-3826:
-----------------------------------

             Summary: Race condition in ResourceTrackerService: potential wrong diagnostics messages
                 Key: YARN-3826
                 URL: https://issues.apache.org/jira/browse/YARN-3826
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 2.7.0
            Reporter: Chengbing Liu


Since we are calling {{setDiagnosticsMessage}} in {{nodeHeartbeat}}, which can be called concurrently, the static {{resync}} and {{shutdown}} may have wrong diagnostics messages in some cases.

On the other side, these static members can hardly save any memory, since the normal heartbeat responses are created for each heartbeat.



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