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  1. Hadoop HDFS
  2. HDFS-5132

Deadlock in NameNode between SafeModeMonitor#run and DatanodeManager#handleHeartbeat

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Details

    • Bug
    • Status: Closed
    • Blocker
    • Resolution: Fixed
    • 2.1.0-beta
    • 2.1.1-beta
    • namenode
    • None
    • Reviewed

    Description

      While running nn load generator with 15 threads for 20 mins the standby namenode deadlocked.

      Attachments

        1. HDFS-5132.patch
          1 kB
          Kihwal Lee
        2. HDFS-5132.001.patch
          3 kB
          Jing Zhao
        3. jstack.log
          1.80 MB
          Arpit Gupta

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. HDFS-5368 Namenode deadlock during safemode extention

          • Blocker - Blocks development and/or testing work, production could not run
          • Resolved
          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. HDFS-5832 Deadlock found in NN between SafeMode#canLeave and DatanodeManager#handleHeartbeat

          • Blocker - Blocks development and/or testing work, production could not run
          • Resolved

          Activity

            People

              kihwal Kihwal Lee
              arpitgupta Arpit Gupta
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              Dates

                Created:
                Updated:
                Resolved: