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  1. Hadoop HDFS
  2. HDFS-15118

[SBN Read] Slow clients when Observer reads are enabled but there are no Observers on the cluster.

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.10.0
    • Fix Version/s: 3.3.0, 3.1.4, 3.2.2, 2.10.1
    • Component/s: hdfs-client
    • Labels:
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      Description

      We see substantial degradation in performance of HDFS clients, when Observer reads are enabled via ObserverReadProxyProvider, but there are no ObserverNodes on the cluster.

        Attachments

        1. HDFS-15118.002.patch
          11 kB
          Chen Liang
        2. HDFS-15118.001.patch
          11 kB
          Chen Liang

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            People

            • Assignee:
              vagarychen Chen Liang
              Reporter:
              shv Konstantin Shvachko
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              Dates

              • Created:
                Updated:
                Resolved: