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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-3153) Capacity Scheduler max AM resource percentage is mis-used as ratio
Date Fri, 06 Feb 2015 21:32:35 GMT
Wangda Tan created YARN-3153:
--------------------------------

             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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