Yufei Gu created YARN-5563:
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Summary: Add log messages for jobs in ACCEPTED state but not
runnable.
Key: YARN-5563
URL: https://issues.apache.org/jira/browse/YARN-5563
Project: Hadoop YARN
Issue Type: Improvement
Components: fairscheduler
Reporter: Yufei Gu
Assignee: Yufei Gu
Leaf queues maintain a list of runnable and non-runnable apps. FairScheduler
marks an app non-runnable for different reasons: exceeding (1) queue max apps,
(2) user max apps, (3) queue maxResources, (4) maxAMShare. It would be nice to
log the reason an app isn't runnable. The first three are easy to infer, but
the last one (maxAMShare) is particularly hard. It would be nice to log at
least that.
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