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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.

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.21.0, 0.22.0
    • 0.22.0
    • tasktracker
    • None
    • 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
          10 kB
          Christopher Douglas
        2. MAPREDUCE-1225.patch
          10 kB
          Zhong Wang
        3. MAPREDUCE-1225.patch
          10 kB
          Zhong Wang
        4. MAPREDUCE-1225.patch
          2 kB
          Zhong Wang
        5. MAPREDUCE-1225.patch
          2 kB
          Zhong Wang

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          People

            zhong Zhong Wang
            vinodkv Vinod Kumar Vavilapalli
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            Dates

              Created:
              Updated:
              Resolved:

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