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  1. Hadoop HDFS
  2. HDFS-7661

[umbrella] support hflush and hsync for erasure coded files

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Details

    • New Feature
    • Status: In Progress
    • Major
    • Resolution: Unresolved
    • None
    • None
    • erasure-coding
    • None

    Description

      We also need to support hflush/hsync and visible length.

      Attachments

        1. EC-file-flush-and-sync-steps-plan-2015-12-01.png
          355 kB
          Rui Gao
        2. HDFS-7661-unitTest-wip-trunk.patch
          5 kB
          Rui Gao
        3. HDFS-7661-wip.01.patch
          37 kB
          Rui Gao
        4. HDFS-EC-file-flush-sync-design-v20160323.pdf
          114 kB
          Mingliang Liu
        5. HDFS-EC-file-flush-sync-design-version1.1.pdf
          1.03 MB
          Rui Gao
        6. Undo-Log-Design-20160406.jpg
          439 kB
          Rui Gao

        Issue Links

        is duplicated by

        Sub-task - The sub-task of the issue HDFS-7691 Handle hflush and hsync in the best optimal way possible during online Erasure encoding

        • Major - Major loss of function.
        • Resolved

        Sub-task - The sub-task of the issue HDFS-8398 Erasure Coding: Correctly calculate last striped block length in DFSStripedInputStream if it's under construction.

        • Major - Major loss of function.
        • Resolved
        is part of

        Improvement - An improvement or enhancement to an existing feature or task. HDFS-8031 Follow-on work for erasure coding phase I (striping layout)

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

        New Feature - A new feature of the product, which has yet to be developed. HDFS-11348 [Umbrella] Append and truncate for striped EC files

        • Major - Major loss of function.
        • Open

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          People

            demongaorui Rui Gao
            szetszwo Tsz-wo Sze
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            Dates

              Created:
              Updated:

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