Hadoop Common
  1. Hadoop Common
  2. HADOOP-5652

Reduce does not respect in-memory segment memory limit when number of on disk segments == io.sort.factor

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Minor Minor
    • Resolution: Fixed
    • Affects Version/s: 0.20.0
    • Fix Version/s: 0.21.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      If the number of on-disk segments is exactly io.sort.factor, then map output segments may be left in memory for the reduce contrary to the specification in mapred.job.reduce.input.buffer.percent.

      1. 5652-0.patch
        0.8 kB
        Chris Douglas
      2. 5652-1.patch
        0.8 kB
        Chris Douglas

        Activity

          People

          • Assignee:
            Chris Douglas
            Reporter:
            Chris Douglas
          • Votes:
            0 Vote for this issue
            Watchers:
            2 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development