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https://issues.apache.org/jira/browse/AURORA-662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14107712#comment-14107712
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Bill Farner commented on AURORA-662:
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We have a few tickets related to this. Personally, I would prefer to see the
scheduler stop applying a default and leave that up to clients.
> 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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