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)