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https://issues.apache.org/jira/browse/YARN-297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13608196#comment-13608196
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Xuan Gong commented on YARN-297:
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Use a very big prime integer number for hashcode() function in order to
decrease collision.
Not need to add tests.
> Improve hashCode implementations for PB records
> -----------------------------------------------
>
> Key: YARN-297
> URL: https://issues.apache.org/jira/browse/YARN-297
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Arun C Murthy
> Assignee: Xuan Gong
> Attachments: YARN.297.1.patch, YARN-297.2.patch
>
>
> As [~hsn] pointed out in YARN-2, we use very small primes in all our hashCode
> implementations.
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