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https://issues.apache.org/jira/browse/YARN-297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13542399#comment-13542399
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Radim Kolar commented on YARN-297:
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I use 4 number primes generated at http://www.numberempire.com/primenumbers.php
Every class should have different initial value and constant.
Type some random number there and form will find you nearest prime. For every
class needing hashCode() obtain 2 primes.
> 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
>
> As [~hsn] pointed out in YARN-2, we use very small primes in all our hashCode
> implementations.
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