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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

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 3.3.0
    • namenode
    • None
    • 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.

      Attachments

        1. HDFS-14250.000.patch
          3 kB
          Chao Sun
        2. HDFS-14250.001.patch
          3 kB
          Chao Sun

        Issue Links

          is related to

          New Feature - A new feature of the product, which has yet to be developed. HDFS-12943 Consistent Reads from Standby Node

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              csun Chao Sun
              csun Chao Sun
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              Dates

                Created:
                Updated:
                Resolved: