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  1. Hadoop HDFS
  2. HDFS-546

DatanodeDescriptor block iterator should be BlockInfo based rather than Block.

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Details

    • Improvement
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.21.0
    • 0.21.0
    • namenode
    • None
    • Reviewed

    Description

      DatanodeDescriptor.BlockIterator currently implements Iterator<Block>. I need to change it to implement Iterator<BlockInfo> instead. Otherwise, I cannot filter out blocks under construction in order to exclude them from balancing, as Hairong suggested in HDFS-517.

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        Sub-task - The sub-task of the issue HDFS-517 Introduce BlockInfoUnderConstruction to reflect block replica states while writing.

        • Major - Major loss of function.
        • Resolved

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            shv Konstantin Shvachko Assign to me
            shv Konstantin Shvachko
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