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  1. Hadoop HDFS
  2. HDFS-5535 Umbrella jira for improved HDFS rolling upgrades
  3. HDFS-5498

Improve datanode startup time

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    Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: HDFS-5535 (Rolling upgrades)
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Similarly to HDFS-5027, an improvement can be made for getVomeMap(). This is the phase in which ReplicaMap.is populated. But it will be even better if datanode scans only once and do both.

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        depends upon

        Improvement - An improvement or enhancement to an existing feature or task. HADOOP-10111 Allow DU to be initialized with an initial value

        • Major - Major loss of function.
        • Closed
        duplicates

        Sub-task - The sub-task of the issue HDFS-5586 Add quick-restart option for datanode

        • Major - Major loss of function.
        • Resolved
        is related to

        Improvement - An improvement or enhancement to an existing feature or task. HDFS-8710 Always read DU value from the cached "dfsUsed" file on datanode startup

        • Major - Major loss of function.
        • Resolved

        Improvement - An improvement or enhancement to an existing feature or task. HDFS-5027 On startup, DN should scan volumes in parallel

        • Major - Major loss of function.
        • Closed

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                Updated:
                Resolved:

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