Details

    • Type: Improvement Improvement
    • Status: Open
    • Priority: Major 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
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              • Created:
                Updated:

                Development