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Yufei Gu commented on YARN-4212: -------------------------------- Very glad to have this in. Thanks! > FairScheduler: Can't create a DRF queue under a FAIR policy queue > ----------------------------------------------------------------- > > Key: YARN-4212 > URL: https://issues.apache.org/jira/browse/YARN-4212 > Project: Hadoop YARN > Issue Type: Bug > Reporter: Arun Suresh > Assignee: Yufei Gu > Labels: fairscheduler > Fix For: 2.9.0 > > Attachments: YARN-4212.002.patch, YARN-4212.003.patch, > YARN-4212.004.patch, YARN-4212.005.patch, YARN-4212.006.patch, > YARN-4212.007.patch, YARN-4212.008.patch, YARN-4212.009.patch, > YARN-4212.010.patch, YARN-4212.011.patch, YARN-4212.1.patch > > > The Fair Scheduler, while performing a {{recomputeShares()}} during an > {{update()}} call, uses the parent queues policy to distribute shares to its > children. > If the parent queues policy is 'fair', it only computes weight for memory and > sets the vcores fair share of its children to 0. > Assuming a situation where we have 1 parent queue with policy 'fair' and > multiple leaf queues with policy 'drf', Any app submitted to the child queues > with vcore requirement > 1 will always be above fairshare, since during the > recomputeShare process, the child queues were all assigned 0 for fairshare > vcores. -- 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