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  1. Hadoop HDFS
  2. HDFS-3438

BootstrapStandby should not require a rollEdits on active node

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.0.0-alpha
    • 2.0.2-alpha
    • ha
    • None
    • Reviewed

    Description

      Currently, BootstrapStandby uses a rollEdits() call on the active NN in order to determine the most recent checkpoint and transaction ID. However, this means that you cannot bootstrap a standby when the active NN is in safe mode – i.e you have to start the whole cluster before you can bootstrap a new standby. This makes the workflow to convert an existing cluster to HA more complicated. We should allow BootstrapStandby to work even when the NN is in safe mode.

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        1. hdfs-3438.txt
          19 kB
          Todd Lipcon

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            tlipcon Todd Lipcon
            tlipcon Todd Lipcon
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              Updated:
              Resolved:

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