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  1. Hadoop HDFS
  2. HDFS-5832

Deadlock found in NN between SafeMode#canLeave and DatanodeManager#handleHeartbeat

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Details

    • Bug
    • Status: Resolved
    • Blocker
    • Resolution: Duplicate
    • 3.0.0-alpha1
    • None
    • namenode
    • None

    Description

      Found the deadlock during the Namenode startup. Attached jcarder report which shows the cycles about the deadlock situation.

      Attachments

        1. jcarder_nn_deadlock.gif
          23 kB
          Rakesh Radhakrishnan
        2. HDFS-5832.patch
          1 kB
          Rakesh Radhakrishnan

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. HDFS-5132 Deadlock in NameNode between SafeModeMonitor#run and DatanodeManager#handleHeartbeat

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

          Activity

            People

              rakeshr Rakesh Radhakrishnan
              rakeshr Rakesh Radhakrishnan
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              Dates

                Created:
                Updated:
                Resolved: