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  1. Hadoop YARN
  2. YARN-1929

DeadLock in RM when automatic failover is enabled.

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.4.1
    • Component/s: resourcemanager
    • Labels:
      None
    • Environment:

      Yarn HA cluster

    • Target Version/s:
    • Hadoop Flags:
      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-1929-1.patch
          6 kB
          Karthik Kambatla
        2. yarn-1929-2.patch
          11 kB
          Karthik Kambatla

          Activity

            People

            • Assignee:
              kasha Karthik Kambatla
              Reporter:
              rohithsharma Rohith Sharma K S
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              Dates

              • Created:
                Updated:
                Resolved: