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  1. Hadoop HDFS
  2. HDFS-14250

[SBN read] msync should sync with active NameNode to fetch the latest stateID

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.3.0
    • Component/s: namenode
    • Labels:
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    • Hadoop Flags:
      Reviewed

      Description

      Currently the msync call is a dummy operation to observer without really syncing. Instead, it should:

      1. Get the latest stateID from active NN.
      2. Use the stateID to talk to observer NN and make sure it is synced.

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                Resolved:

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