You are viewing a plain text version of this content. The canonical link for it is here.

Posted to yarn-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2014/06/17 16:40:02 UTC

[jira] [Created] (YARN-2171) AMs block on the CapacityScheduler lock during allocate()

Jason Lowe created YARN-2171:
--------------------------------

             Summary: AMs block on the CapacityScheduler lock during allocate()
                 Key: YARN-2171
                 URL: https://issues.apache.org/jira/browse/YARN-2171
             Project: Hadoop YARN
          Issue Type: Bug
          Components: capacityscheduler
    Affects Versions: 2.4.0, 0.23.10
            Reporter: Jason Lowe
            Assignee: Jason Lowe
            Priority: Critical


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.



--
This message was sent by Atlassian JIRA
(v6.2#6252)