Zameer Manji created AURORA-662:
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             Summary: Improve Rack Limit Default
                 Key: AURORA-662
                 URL: https://issues.apache.org/jira/browse/AURORA-662
             Project: Aurora
          Issue Type: Story
          Components: Scheduler
            Reporter: Zameer Manji
            Assignee: Zameer Manji


If a rack limit for a job is unspecified, the scheduler places a default of 1. 
This default is naive and can make large jobs impossible to schedule.

We should replace this default with something that is little bit smarter. It 
should factor in the size of the job and potentially the number of racks 
available.

The code that creates the default is 
[here|https://github.com/apache/incubator-aurora/blob/900a2b299347c71f7c7601a3a3d0a3f0f0afbcb7/src/main/java/org/apache/aurora/scheduler/configuration/ConfigurationManager.java#L142-L153].



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