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From "Ron Yang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-4206) jenkins hash implementation uses longs unnecessarily
Date Sat, 03 Sep 2011 00:35:10 GMT

     [ https://issues.apache.org/jira/browse/HBASE-4206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ron Yang updated HBASE-4206:
----------------------------

    Attachment: JenkinsHashTest.tgz

eclipse project with my tests that try to verify the changes didn't regress JenkinsHash

> jenkins hash implementation uses longs unnecessarily
> ----------------------------------------------------
>
>                 Key: HBASE-4206
>                 URL: https://issues.apache.org/jira/browse/HBASE-4206
>             Project: HBase
>          Issue Type: Improvement
>          Components: util
>    Affects Versions: 0.90.4
>            Reporter: Ron Yang
>            Assignee: Ron Yang
>            Priority: Minor
>             Fix For: 0.92.0, 0.90.5
>
>         Attachments: JenkinsHashTest.tgz, ryang.patch
>
>
> I don't believe you need to use long for a,b,c and as a result no longer need to &
against INT_MASK.
> At a minimum the private static longs should be made final, and the "main" method should
not print the absolute value of the hash but instead use something like Integer.toHexString

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