[ https://issues.apache.org/jira/browse/YARN-4198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Tumanov reassigned YARN-4198: ------------------------------------ Assignee: Alexey Tumanov > CapacityScheduler locking / synchronization improvements > -------------------------------------------------------- > > Key: YARN-4198 > URL: https://issues.apache.org/jira/browse/YARN-4198 > Project: Hadoop YARN > Issue Type: Sub-task > Reporter: Carlo Curino > Assignee: Alexey Tumanov > > In the context of YARN-4193 (which stresses the RM/CS performance) we found > several performance problems with in the locking/synchronization of the > CapacityScheduler, as well as inconsistencies that do not normally surface > (incorrect locking-order of queues protected by CS locks etc). This JIRA > proposes several refactoring that improve this. -- This message was sent by Atlassian JIRA (v6.3.4#6332)