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  1. Hadoop Map/Reduce
  2. MAPREDUCE-1225

TT successfully localizes a task even though the corresponding cache-file has already changed on DFS.

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.21.0, 0.22.0
    • Fix Version/s: 0.22.0
    • Component/s: tasktracker
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      This happens with the first task of a job being localized on this TT. TT doesn't check if the file on DFS is fresh according to the timestamps set in job-conf during submission. After the first task incorrectly gets localized, all further tasks fail on this TT as expected.

      Found this issue while trying to improve test-case for MAPREUCE-913.

        Attachments

        1. MAPREDUCE-1225.patch
          2 kB
          Zhong Wang
        2. MAPREDUCE-1225.patch
          2 kB
          Zhong Wang
        3. MAPREDUCE-1225.patch
          10 kB
          Zhong Wang
        4. MAPREDUCE-1225.patch
          10 kB
          Zhong Wang
        5. MAPREDUCE-1225.patch
          10 kB
          Chris Douglas

          Activity

            People

            • Assignee:
              zhong Zhong Wang
              Reporter:
              vinodkv Vinod Kumar Vavilapalli
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              Dates

              • Created:
                Updated:
                Resolved: