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  1. Hadoop HDFS
  2. HDFS-1769

Namenode UI should list "time since marked as dead" for dead nodes

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Details

    • Improvement
    • Status: Resolved
    • Minor
    • Resolution: Duplicate
    • 0.20.2
    • None
    • namenode
    • None

    Description

      When scanning the namenode UI for dead nodes, it is nice to know the length time they've been marked as dead. This way you can see things like:
      1) Did a bunch of nodes go dead all at the same time?
      2) Have some nodes been dead for a long time, while others have only just gone dead?

      This patch was made in the FB tree internally by Hairong, so just needs to be ported to open source.

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            hairong Hairong Kuang
            andrewr Andrew Ryan
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