Robert Kanter created YARN-2187:

             Summary: FairScheduler should have a way of disabling the max AM 
share check for launching new AMs
                 Key: YARN-2187
             Project: Hadoop YARN
          Issue Type: Bug
          Components: fairscheduler
    Affects Versions: 2.5.0
            Reporter: Robert Kanter
            Assignee: Robert Kanter

Say you have a small cluster with 8gb memory and 5 queues.  This means that 
equal queue can have 8gb / 5 = 1.6gb but an AM requires 2gb to start so no AMs 
can be started.  We should have a way of disabling this check to prevent this 

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