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  1. Hadoop Common
  2. HADOOP-6467

Performance improvement for liststatus on directories in hadoop archives.

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 0.21.0
    • fs
    • None
    • Reviewed

    Description

      A liststatus call on a directory in hadoop archives leads to ( 2* number of files in directory) open calls to the namenode. This is very sub optimal and needs to be fixed to make it performant enough to be used on a daily basis.

      Attachments

        1. Archives_performance.docx
          111 kB
          Mahadev Konar
        2. Archives_performance.docx
          94 kB
          Mahadev Konar
        3. HADOOP-6467_v3.patch
          4 kB
          Mahadev Konar
        4. HADOOP-6467.patch
          4 kB
          Mahadev Konar
        5. HADOOP-6467.patch
          7 kB
          Mahadev Konar
        6. HADOOP-6467.patch
          6 kB
          Mahadev Konar
        7. HADOOP-6467-v2.patch
          4 kB
          Mahadev Konar
        8. HADOOP-6467-y.0.20-branch-v2.patch
          5 kB
          Mahadev Konar
        9. HADOOP-6467-y.0.20-branch-v2.patch
          4 kB
          Mahadev Konar
        10. HADOOP-6467-y0.20-branch.patch
          4 kB
          Mahadev Konar

        Issue Links

        is related to

        Bug - A problem which impairs or prevents the functions of the product. MAPREDUCE-1629 Get rid of fakeBlockLocations() on HarFileSystem, since it's not used

        • Trivial - Cosmetic problem like misspelt words or misaligned text.
        • Closed
        relates to

        Bug - A problem which impairs or prevents the functions of the product. HADOOP-6591 HarFileSystem cannot handle paths with the space character

        • Major - Major loss of function.
        • Closed

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            mahadev Mahadev Konar
            mahadev Mahadev Konar
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            Dates

              Created:
              Updated:
              Resolved:

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