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  1. Hadoop HDFS
  2. HDFS-13571 Deadnode detection
  3. HDFS-14649

Add suspect probe for DeadNodeDetector

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 3.3.0
    • None
    • None
    • Reviewed

    Description

      Add suspect probe for DeadNodeDetector.

      when  some DataNode of the block is found to inaccessible, put the DataNode into it will be placed in the Suspicious Node list. Because when DataNode is not accessible, it is likely that the replica has been removed from the DataNode.Therefore, it needs to be confirmed by re-probing and requires a higher priority processing.

      And when DataNode is placed in the Suspicious Node list, it is accessed by other dfsinputstream.

      Attachments

        1. HDFS-14649.005.patch
          28 kB
          Lisheng Sun
        2. HDFS-14649.004.patch
          28 kB
          Lisheng Sun
        3. HDFS-14649.003.patch
          23 kB
          Lisheng Sun
        4. HDFS-14649.002.patch
          16 kB
          Lisheng Sun
        5. HDFS-14649.001.patch
          16 kB
          Lisheng Sun

        Issue Links

          contains

          Sub-task - The sub-task of the issue HDFS-14650 DeadNodeDetector redetects Suspicious Node

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              leosun08 Lisheng Sun
              leosun08 Lisheng Sun
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              Dates

                Created:
                Updated:
                Resolved: