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ASF GitHub Bot commented on YARN-6163: -------------------------------------- Github user templedf commented on a diff in the pull request: https://github.com/apache/hadoop/pull/192#discussion_r101355292 --- Diff: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSAppAttempt.java --- @@ -1123,6 +1201,13 @@ public Resource getDemand() { return demand; } + /** + * Get the current app's unsatisfied demand. + */ --- End diff -- Missing @return. > FS Preemption is a trickle for severely starved applications > ------------------------------------------------------------ > > Key: YARN-6163 > URL: https://issues.apache.org/jira/browse/YARN-6163 > Project: Hadoop YARN > Issue Type: Sub-task > Components: fairscheduler > Affects Versions: 2.9.0 > Reporter: Karthik Kambatla > Assignee: Karthik Kambatla > Attachments: YARN-6163.004.patch, YARN-6163.005.patch, > yarn-6163-1.patch, yarn-6163-2.patch > > > With current logic, only one RR is considered per each instance of marking an > application starved. This marking happens only on the update call that runs > every 500ms. Due to this, an application that is severely starved takes > forever to reach fairshare based on preemptions. -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org