[ https://issues.apache.org/jira/browse/YARN-2171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Thomas Graves updated YARN-2171: -------------------------------- Priority: Major (was: Critical) > 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: 0.23.10, 2.4.0 > Reporter: Jason Lowe > Assignee: Jason Lowe > Attachments: YARN-2171.patch, YARN-2171v2.patch > > > 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)