Wangda Tan created YARN-3153:
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Summary: Capacity Scheduler max AM resource percentage is mis-used
as ratio
Key: YARN-3153
URL: https://issues.apache.org/jira/browse/YARN-3153
Project: Hadoop YARN
Issue Type: Bug
Reporter: Wangda Tan
Assignee: Wangda Tan
Priority: Critical
In existing Capacity Scheduler, it can limit max applications running within a
queue. The config is yarn.scheduler.capacity.maximum-am-resource-percent, but
actually, it is used as "ratio", in implementation, it assumes input will be
\[0,1\]. So now user can specify it up to 100, which makes AM can use 100x of
queue capacity. We should fix that.
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