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  1. Hadoop YARN
  2. YARN-1929

DeadLock in RM when automatic failover is enabled.

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Details

    • Bug
    • Status: Closed
    • Blocker
    • Resolution: Fixed
    • None
    • 2.4.1
    • resourcemanager
    • None
    • Yarn HA cluster

    • Reviewed

    Description

      Dead lock detected in RM when automatic failover is enabled.

      Found one Java-level deadlock:
      =============================
      "Thread-2":
        waiting to lock monitor 0x00007fb514303cf0 (object 0x00000000ef153fd0, a org.apache.hadoop.ha.ActiveStandbyElector),
        which is held by "main-EventThread"
      "main-EventThread":
        waiting to lock monitor 0x00007fb514750a48 (object 0x00000000ef154020, a org.apache.hadoop.yarn.server.resourcemanager.EmbeddedElectorService),
        which is held by "Thread-2"
      

      Attachments

        1. yarn-1929-2.patch
          11 kB
          Karthik Kambatla
        2. yarn-1929-1.patch
          6 kB
          Karthik Kambatla

        Activity

          People

            kasha Karthik Kambatla
            rohithsharma Rohith Sharma K S
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            Dates

              Created:
              Updated:
              Resolved: