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From "Radim Kolar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-297) Improve hashCode implementations for PB records
Date Fri, 28 Dec 2012 22:38:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13540617#comment-13540617
] 

Radim Kolar commented on YARN-297:
----------------------------------

You also use initial (seed) value 1 or -1. Best is to use different prime per class.
                
> 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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