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  1. Hive
  2. HIVE-14841 Replication - Phase 2
  3. HIVE-16901

Distcp optimization - One distcp per ReplCopyTask

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.1.0
    • 3.0.0
    • Hive, repl
    • Reviewed

    Description

      Currently, if a ReplCopyTask is created to copy a list of files, then distcp is invoked for each and every file. Instead, need to pass the list of source files to be copied to distcp tool which basically copies the files in parallel and hence gets lot of performance gain.

      Attachments

        1. HIVE-16901.04.patch
          20 kB
          Sankar Hariappan
        2. HIVE-16901.03.patch
          20 kB
          Sankar Hariappan
        3. HIVE-16901.02.patch
          20 kB
          Sankar Hariappan
        4. HIVE-16901.01.patch
          19 kB
          Sankar Hariappan

        Issue Links

          is a clone of

          Improvement - An improvement or enhancement to an existing feature or task. HIVE-16900 optimization to give distcp a list of input files to copy to a destination target directory during repl load

          • Major - Major loss of function.
          • Closed
          links to

          Web Link GitHub Pull Request #200

          Activity

            People

              sankarh Sankar Hariappan
              sankarh Sankar Hariappan
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              Dates

                Created:
                Updated:
                Resolved: