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  1. Hadoop Map/Reduce
  2. MAPREDUCE-3968

add support for getNumMapTasks() into mapreduce JobContext

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Minor
    • Resolution: Not A Problem
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: mrv1
    • Labels:
      None
    • Environment:

      hadoop 0.22

      Description

      In old mapred api there was way to query number of mappers:

      job.getNumMapTasks())

      No such function exists in new mapreduce api

        Attachments

        1. maptasks4.txt
          7 kB
          Radim Kolar
        2. maptasks3.txt
          7 kB
          Radim Kolar
        3. maptasks2.txt
          7 kB
          Radim Kolar
        4. maptasks.txt
          7 kB
          Radim Kolar
        5. MAPREDUCE-3968.patch
          4 kB
          madhukara phatak

          Activity

            People

            • Assignee:
              Unassigned
              Reporter:
              hsn Radim Kolar
            • Votes:
              1 Vote for this issue
              Watchers:
              5 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: