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  1. Hadoop Common
  2. HADOOP-2116

Job.local.dir to be exposed to tasks

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.14.3
    • 0.17.0
    • None
    • None

    • All

    • Incompatible change
    • Hide
      This issue restructures local job directory on the tasktracker.
      Users are provided with a job-specific shared directory (mapred-local/taskTracker/jobcache/$jobid/ work) for using it as scratch space, through configuration property and system property "job.local.dir". Now, the directory "../work" is not available from the task's cwd.
      Show
      This issue restructures local job directory on the tasktracker. Users are provided with a job-specific shared directory (mapred-local/taskTracker/jobcache/$jobid/ work) for using it as scratch space, through configuration property and system property "job.local.dir". Now, the directory "../work" is not available from the task's cwd.

    Description

      Currently, since all task cwds are created under a jobcache directory, users that need a job-specific shared directory for use as scratch space, create ../work. This is hacky, and will break when HADOOP-2115 is addressed. For such jobs, hadoop mapred should expose job.local.dir via localized configuration.

      Attachments

        1. patch-2116.txt
          33 kB
          Amareshwari Sriramadasu
        2. patch-2116.txt
          29 kB
          Amareshwari Sriramadasu
        3. patch-2116.txt
          6 kB
          Amareshwari Sriramadasu
        4. patch-2116.txt
          6 kB
          Amareshwari Sriramadasu
        5. patch-2116.txt
          7 kB
          Amareshwari Sriramadasu
        6. patch-2116.txt
          6 kB
          Amareshwari Sriramadasu

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. HADOOP-2570 streaming jobs fail after HADOOP-2227

          • Blocker - Blocks development and/or testing work, production could not run
          • Closed

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            People

              amareshwari Amareshwari Sriramadasu
              milindb Milind Barve
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              Dates

                Created:
                Updated:
                Resolved: