[ https://issues.apache.org/jira/browse/YARN-3510?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wangda Tan updated YARN-3510: ----------------------------- Issue Type: Sub-task (was: Improvement) Parent: YARN-3306 > Create an extension of ProportionalCapacityPreemptionPolicy which preempts a > number of containers from each application in a way which respects fairness > -------------------------------------------------------------------------------------------------------------------------------------------------------- > > Key: YARN-3510 > URL: https://issues.apache.org/jira/browse/YARN-3510 > Project: Hadoop YARN > Issue Type: Sub-task > Components: yarn > Reporter: Craig Welch > Assignee: Craig Welch > > The ProportionalCapacityPreemptionPolicy preempts as many containers from > applications as it can during it's preemption run. For fifo this makes > sense, as it is prempting in reverse order & therefore maintaining the > primacy of the "oldest". For fair ordering this does not have the desired > effect - instead, it should preempt a number of containers from each > application which maintains a fair balance /close to a fair balance between > them -- This message was sent by Atlassian JIRA (v6.3.4#6332)