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  1. Hadoop Map/Reduce
  2. MAPREDUCE-7053

Timed out tasks can fail to produce thread dump

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 3.1.0, 3.0.1, 2.10.0, 2.9.1, 2.8.4
    • Fix Version/s: 3.1.0, 2.10.0, 2.9.1, 2.8.4, 3.0.3
    • Component/s: None
    • Labels:
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      Description

      TestMRJobs#testThreadDumpOnTaskTimeout has been failing sporadically recently. When the AM times out a task it immediately removes it from the list of known tasks and then connects to the NM to request a thread dump followed by a kill. If the task heartbeats in after the task has been removed from the list of known tasks but before the thread dump signal arrives then the task can exit with a "org.apache.hadoop.mapred.Task: Parent died." message and no thread dump.

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              • Assignee:
                jlowe Jason Lowe
                Reporter:
                jlowe Jason Lowe
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                • Created:
                  Updated:
                  Resolved: