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  1. Hadoop HDFS
  2. HDFS-9661

Deadlock in DN.FsDatasetImpl between moveBlockAcrossStorage and createRbw

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.7.0, 2.8.0, 2.7.1, 2.7.2
    • 2.8.0, 2.7.3, 3.0.0-alpha1
    • datanode
    • None
    • Reviewed

    Description

      We found a deadlock in dn.FsDatasetImpl between moveBlockAcrossStorage and createRbw from rpc call: replaceBlock/writeBlock. The dn's jstack result is

      Attachments

        1. HDFS-9661.001.patch
          2 kB
          chunde
        2. hdfs-9661-jstack.jpg.png
          779 kB
          chunde
        3. HDFS-9661.0.patch
          2 kB
          chunde

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. HDFS-9783 DataNode deadlocks after running hdfs mover

          • Major - Major loss of function.
          • Resolved
          is broken by

          Bug - A problem which impairs or prevents the functions of the product. HDFS-7489 Incorrect locking in FsVolumeList#checkDirs can hang datanodes

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed
          relates to

          Sub-task - The sub-task of the issue HDFS-7310 Mover can give first priority to local DN if it has target storage type available in local DN

          • Major - Major loss of function.
          • Closed

          Activity

            People

              aderen chunde
              aderen chunde
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              Dates

                Created:
                Updated:
                Resolved: