Details

    • Type: Improvement
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: task
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    • Target Version/s:

      Description

      With a facility for addressing subsequences of the reduce input keygroups (such as MAPREDUCE-4587), a ReduceTask can efficiently checkpoint and restart itself. In some cases, a memento (i.e., a key in the stream) may be a sufficient checkpoint of the ReduceTask state.

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              • Assignee:
                Unassigned
                Reporter:
                chris.douglas Chris Douglas
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                • Created:
                  Updated: