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  1. Hadoop HDFS
  2. HDFS-1073 Simpler model for Namenode's fs Image and edit Logs
  3. HDFS-2104

1073: Add a flag to 2NN to format its checkpoint dirs on startup

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • Edit log branch (HDFS-1073)
    • None
    • None
    • Reviewed
    • The SecondaryNameNode now has a command line option "-format" which must be used after the primary NameNode is reformatted, or if the same SecondaryNameNode is reconfigured to talk to a different cluster.

    Attachments

      1. hdfs-2104.txt
        13 kB
        Todd Lipcon
      2. hdfs-2104.txt
        13 kB
        Todd Lipcon

      Issue Links

        is related to

        Sub-task - The sub-task of the issue HDFS-2026 1073: 2NN needs to handle case of reformatted NN better

        • Critical - Crashes, loss of data, severe memory leak.
        • Resolved

        Activity

          People

            tlipcon Todd Lipcon
            tlipcon Todd Lipcon
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            Dates

              Created:
              Updated:
              Resolved: