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  1. Hadoop Map/Reduce
  2. MAPREDUCE-6169

MergeQueue should release reference to the current item from key and value at the end of the iteration to save memory.

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 2.7.0
    • mrv2
    • None
    • Reviewed

    Description

      MergeQueue should release reference to the current item from key and value at the end of the iteration to save memory.
      these buffers referenced by key and value can be large, which may cause an OOM error.

      Attachments

        1. MAPREDUCE-6169.000.patch
          2 kB
          Zhihai Xu

        Activity

          People

            zxu Zhihai Xu
            zxu Zhihai Xu
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            Dates

              Created:
              Updated:
              Resolved: