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  1. Hadoop Common
  2. HADOOP-1846

DatanodeReport should distinguish live datanodes from dead datanodes

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.14.1
    • 0.15.0
    • None
    • None

    Description

      DatanodeReport returns both live and dead datanodes and there is no way to distinguish live nodes from dead nodes. But some applications are interested in only live datanodes. I propose that instead of haveing one datanodeReport, dfs supports two reports: liveDatanodeReport and deadDatanodeReport.

      Attachments

        1. datanodeReport.patch
          15 kB
          Hairong Kuang
        2. datanodeReport.patch
          16 kB
          Hairong Kuang

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            hairong Hairong Kuang
            hairong Hairong Kuang
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