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  1. Hadoop HDFS
  2. HDFS-12502

nntop should support a category based on FilesInGetListingOps

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    Details

    • Type: Improvement
    • Status: Reopened
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: metrics
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Large listing ops can oftentimes be the main contributor to NameNode slowness. The aggregate cost of listing ops is proportional to the FilesInGetListingOps rather than the number of listing ops. Therefore it'd be very useful for nntop to support this category.

        Attachments

        1. HDFS-12502.00.patch
          3 kB
          Zhe Zhang
        2. HDFS-12502.01.patch
          4 kB
          Zhe Zhang
        3. HDFS-12502.02.patch
          5 kB
          Zhe Zhang
        4. HDFS-12502.03.patch
          6 kB
          Zhe Zhang
        5. HDFS-12502.04.patch
          6 kB
          Zhe Zhang

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            People

            • Assignee:
              zhz Zhe Zhang
              Reporter:
              zhz Zhe Zhang
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              Dates

              • Created:
                Updated: