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https://issues.apache.org/jira/browse/YARN-7336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16217737#comment-16217737
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Daniel Templeton commented on YARN-7336:
----------------------------------------

LGTM.  Can we do anything about the ugly hash method in 
{{LightWeightResource}}?  Seems like the way we build up result is kinda goofy. 
 Looks like there used to be a loop there that was removed or some such.

> Unsafe cast from long to int Resource.hashCode() method
> -------------------------------------------------------
>
>                 Key: YARN-7336
>                 URL: https://issues.apache.org/jira/browse/YARN-7336
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 3.0.0-beta1, 3.1.0
>            Reporter: Daniel Templeton
>            Assignee: Miklos Szegedi
>            Priority: Critical
>         Attachments: YARN-7336.000.patch
>
>
> For example:
> {code}
>     final int prime = 47;
>     long result = 0;
>     for (ResourceInformation entry : resources) {
>       result = prime * result + entry.hashCode();
>     }
>     return (int) result;
> {code}



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