[ https://issues.apache.org/jira/browse/YARN-4792?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Karthik Kambatla updated YARN-4792: ----------------------------------- Component/s: (was: yarn) > FairScheduler should do sanity checks on its configuration > ---------------------------------------------------------- > > Key: YARN-4792 > URL: https://issues.apache.org/jira/browse/YARN-4792 > Project: Hadoop YARN > Issue Type: Improvement > Components: fairscheduler > Affects Versions: 2.9.0 > Reporter: Yufei Gu > Assignee: Yufei Gu > > The FairScheduler does not perform any sanity checks on the configuration > that it uses. > This can lead to a configuration that is legal but does not make sense in a > cluster to use, and causes support cases to be filed: > limit the root queue to a certain size for memory or vcores: the cluster > resources limit the root queue already and there should be no need for an > extra artificial limit > setting max running applications on a leaf queue larger than the parent > queue(s) > setting max running applications larger than the queue size (example: minimum > vcore allocation * number of apps > total vcores in the queue) > There are possibly more checks -- This message was sent by Atlassian JIRA (v6.3.4#6332)