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Posted to mapreduce-dev@hadoop.apache.org by "Gera Shegalov (JIRA)" <ji...@apache.org> on 2013/12/19 13:17:07 UTC

[jira] [Created] (MAPREDUCE-5692) Add explicit diagnostics when a task attempt is killed due to speculative execution

Gera Shegalov created MAPREDUCE-5692:
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             Summary: Add explicit diagnostics when a task attempt is killed due to speculative execution
                 Key: MAPREDUCE-5692
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5692
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: client, mr-am, mrv2
    Affects Versions: 2.2.0
            Reporter: Gera Shegalov
            Assignee: Gera Shegalov


Our users and tools want to be able to supply additional custom diagnostic messages to mapreduce ClientProtocol killTask.

We also need to clearly indicate when a task attempt is killed because another task attempt succeeded first when speculative execution is enabled.



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