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  1. Hadoop HDFS
  2. HDFS-6545

Finalizing rolling upgrade can make NN unavailable for a long duration

    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: 2.4.0
    • Fix Version/s: 2.5.0
    • Component/s: None
    • Labels:
      None
    • Target Version/s:
    • Hadoop Flags:
      Reviewed

      Description

      In FSNamesystem#finalizeRollingUpgrade(), saveNamespace() is directly called. For name nodes with a big name space, it can take minutes to save a new fsimage.

        Attachments

        1. HDFS-6545.v2.patch
          1 kB
          Kihwal Lee
        2. HDFS-6545.patch
          1 kB
          Kihwal Lee

          Activity

            People

            • Assignee:
              kihwal Kihwal Lee
              Reporter:
              kihwal Kihwal Lee
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              Dates

              • Created:
                Updated:
                Resolved: