Xianyin Xin created YARN-3547:
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Summary: Apps that have no resource demand should not participate
scheduling
Key: YARN-3547
URL: https://issues.apache.org/jira/browse/YARN-3547
Project: Hadoop YARN
Issue Type: Improvement
Components: scheduler
Reporter: Xianyin Xin
At present, all of the 'running' apps participate the scheduling process,
however, most of them may have no resource demand on a production cluster, as
the app's status is running other than waiting for resource at the most of the
app's lifetime. It's not a wise way we sort all the 'running' apps and try to
fulfill them, especially on a large-scale cluster which has heavy scheduling
load.
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