Uploaded image for project: 'Hadoop YARN'
  1. Hadoop YARN
  2. YARN-3346

Deadlock in Capacity Scheduler

    XMLWordPrintableJSON

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Implemented
    • Affects Version/s: 2.6.0
    • Fix Version/s: 2.7.0, 2.6.1
    • Component/s: capacityscheduler
    • Labels:
      None

      Description

      Found one Java-level deadlock:
      =============================
      "2144051991@qtp-383501499-6":
        waiting to lock monitor 0x00007fa700eec8e8 (object 0x00000004589fec18, a org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp),
        which is held by "ResourceManager Event Processor"
      "ResourceManager Event Processor":
        waiting to lock monitor 0x00007fa700aadf88 (object 0x0000000441c05ec8, a org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue),
        which is held by "IPC Server handler 0 on 54311"
      "IPC Server handler 0 on 54311":
        waiting to lock monitor 0x00007fa700e20798 (object 0x0000000441d867f8, a org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue),
        which is held by "ResourceManager Event Processor"
      

        Attachments

        1. rm.deadlock_jstack
          289 kB
          Suma Shivaprasad

          Activity

            People

            • Assignee:
              Unassigned
              Reporter:
              suma.shivaprasad Suma Shivaprasad
            • Votes:
              0 Vote for this issue
              Watchers:
              6 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: