Uploaded image for project: 'Hadoop YARN'
  1. Hadoop YARN
  2. YARN-2171

AMs block on the CapacityScheduler lock during allocate()

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: 0.23.10, 2.4.0
    • Fix Version/s: 2.5.0
    • Component/s: capacityscheduler
    • Labels:
      None
    • Target Version/s:
    • Hadoop Flags:
      Reviewed

      Description

      When AMs heartbeat into the RM via the allocate() call they are blocking on the CapacityScheduler lock when trying to get the number of nodes in the cluster via getNumClusterNodes.

        Attachments

        1. YARN-2171.patch
          10 kB
          Jason Lowe
        2. YARN-2171v2.patch
          11 kB
          Jason Lowe

          Activity

            People

            • Assignee:
              jlowe Jason Lowe
              Reporter:
              jlowe Jason Lowe
            • Votes:
              0 Vote for this issue
              Watchers:
              11 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: