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  1. Hadoop HDFS
  2. HDFS-9364

Unnecessary DNS resolution attempts when creating NameNodeProxies

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.8.0, 3.0.0-alpha1
    • Component/s: ha, performance
    • Labels:
      None
    • Target Version/s:
    • Hadoop Flags:
      Reviewed

      Description

      When creating NameNodeProxies, we always try to DNS-resolve namenode URIs. This is unnecessary if the URI is logical, and may be significantly slow if the DNS is having problems.

        Attachments

        1. HDFS-9364.004.patch
          5 kB
          Xiao Chen
        2. HDFS-9364.003.patch
          5 kB
          Xiao Chen
        3. HDFS-9364.002.patch
          7 kB
          Xiao Chen
        4. HDFS-9364.001.patch
          6 kB
          Xiao Chen

          Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. HDFS-8307 Spurious DNS Queries from hdfs shell

          • Trivial - Cosmetic problem like misspelt words or misaligned text.
          • Resolved

            Activity

              People

              • Assignee:
                xiaochen Xiao Chen
                Reporter:
                xiaochen Xiao Chen
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                Dates

                • Created:
                  Updated:
                  Resolved: