[ https://issues.apache.org/jira/browse/YARN-7469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eric Payne updated YARN-7469: ----------------------------- Attachment: UnitTestToShowStarvedUser.patch Uploading a unit test that demonstrates this. > Capacity Scheduler Intra-queue preemption: User can starve if newest app is > exactly at user limit > ------------------------------------------------------------------------------------------------- > > Key: YARN-7469 > URL: https://issues.apache.org/jira/browse/YARN-7469 > Project: Hadoop YARN > Issue Type: Bug > Components: capacity scheduler, yarn > Affects Versions: 2.9.0, 3.0.0-beta1, 2.8.2 > Reporter: Eric Payne > Assignee: Eric Payne > Attachments: UnitTestToShowStarvedUser.patch > > > Queue Configuration: > - Total Memory: 20GB > - 2 Queues > -- Queue1 > --- Memory: 10GB > --- MULP: 10% > --- ULF: 2.0 > - Minimum Container Size: 0.5GB > Use Case: > - User1 submits app1 to Queue1 and consumes 20GB > - User2 submits app2 to Queue1 and requests 7.5GB > - Preemption monitor preempts 7.5GB from app1. Capacity Scheduler gives those > resources to User2 > - User 3 submits app3 to Queue1. To begin with, app3 is requesting 1 > container for the AM. > - Preemption monitor never preempts a container. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org