Uploaded image for project: 'Hadoop HDFS'
  1. Hadoop HDFS
  2. HDFS-6494

In some case, the hedged read will lead to client infinite wait.

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Duplicate
    • 2.4.0
    • None
    • hdfs-client
    • None

    Description

      When I use "hedged read", If there is only one live datanode, the reading from the datanode throw TimeoutException and ChecksumException., the Client will infinite wait.

      Attachments

        1. hedged-read-bug.patch
          6 kB
          LiuLei
        2. hedged-read-test-case.patch
          9 kB
          LiuLei
        3. HDFS-6494.txt
          6 kB
          Liang Xie

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. HDFS-6231 DFSClient hangs infinitely if using hedged reads and all eligible datanodes die.

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

          Bug - A problem which impairs or prevents the functions of the product. HDFS-6231 DFSClient hangs infinitely if using hedged reads and all eligible datanodes die.

          • Major - Major loss of function.
          • Closed

          Activity

            People

              xieliang007 Liang Xie
              liulei.cn LiuLei
              Votes:
              0 Vote for this issue
              Watchers:
              8 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: