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  1. Hadoop HDFS
  2. HDFS-16617

[SBN read] add txid lag metric for Observer NameNode

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Details

    • Improvement
    • Status: Patch Available
    • Minor
    • Resolution: Unresolved
    • None
    • None
    • namenode
    • None

    Description

      Observer NN may have poor read performance due to various reasons (such as GC, code, or txid lags too far, etc.).
      Added latency monitoring with Active NN's txid to Observer NN to may help us troubleshoot some of the issues.

      Attachments

        1. HDFS-16617.001.patch
          18 kB
          kinit

        Activity

          People

            Unassigned Unassigned
            mofei kinit
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            Dates

              Created:
              Updated: