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https://issues.apache.org/jira/browse/YARN-4263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrian Kalaszi updated YARN-4263:
---------------------------------
    Attachment: YARN-4263.001.patch

Please review the patch, and consider applying.

> Capacity scheduler 60%-40% formatting floating point issue
> ----------------------------------------------------------
>
>                 Key: YARN-4263
>                 URL: https://issues.apache.org/jira/browse/YARN-4263
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 2.7.1
>            Reporter: Adrian Kalaszi
>            Priority: Trivial
>         Attachments: YARN-4263.001.patch
>
>
> If capacity scheduler is set with two queues to 60% and 40% capacity, due to 
> a java float floating representation issue
> {code}
> > hadoop queue -list
> ======================
> Queue Name : default 
> Queue State : running 
> Scheduling Info : Capacity: 40.0, MaximumCapacity: 100.0, CurrentCapacity: 
> 0.0 
> ======================
> Queue Name : large 
> Queue State : running 
> Scheduling Info : Capacity: 60.000004, MaximumCapacity: 100.0, 
> CurrentCapacity: 0.0 
> {code}
> Because 
> {code} System.err.println((0.6f) * 100); {code}
> results in 60.000004.



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