[ https://issues.apache.org/jira/browse/YARN-3937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sunil G updated YARN-3937: -------------------------- Summary: Introducing CANCEL_PREEMPTION event to notify Scheduler and AM when a container is no longer to be preempted (was: Introducing REMOVE_CONTAINER_FROM_PREEMPTION event to notify Scheduler and AM when a container is no longer to be preempted) > Introducing CANCEL_PREEMPTION event to notify Scheduler and AM when a > container is no longer to be preempted > ------------------------------------------------------------------------------------------------------------ > > Key: YARN-3937 > URL: https://issues.apache.org/jira/browse/YARN-3937 > Project: Hadoop YARN > Issue Type: Sub-task > Components: capacityscheduler > Affects Versions: 2.7.1 > Reporter: Sunil G > Assignee: Sunil G > Attachments: 0001-YARN-3937.patch, 0002-YARN-3937.patch, > 0003-YARN-3937.patch > > > As discussed in YARN-3784, there are scenarios like few other applications > released containers or same application has revoked its resource requests. In > these cases, we may not have to preempt a container which would have been > marked for preemption earlier. > Introduce a new event to remove such containers if present in the > to-be-preempted list of scheduler or inform AM about such a scenario. -- This message was sent by Atlassian JIRA (v6.3.4#6332)