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  1. Hadoop HDFS
  2. HDFS-6545

Finalizing rolling upgrade can make NN unavailable for a long duration

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Details

    • Improvement
    • Status: Closed
    • Critical
    • Resolution: Fixed
    • 2.4.0
    • 2.5.0
    • None
    • None
    • 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.

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            kihwal Kihwal Lee Assign to me
            kihwal Kihwal Lee
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