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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-496) Use PureJavaCrc32 in HDFS
Date Thu, 26 Jul 2012 04:31:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13422887#comment-13422887
] 

Tsz Wo (Nicholas), SZE commented on HDFS-496:
---------------------------------------------

I have committed the backport patch to branch-1.  Thanks, Brandon!
                
> Use PureJavaCrc32 in HDFS
> -------------------------
>
>                 Key: HDFS-496
>                 URL: https://issues.apache.org/jira/browse/HDFS-496
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node, hdfs client, performance
>    Affects Versions: 0.21.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Minor
>             Fix For: 0.21.0
>
>         Attachments: HDFS-496.branch-1.patch, hdfs-496.txt, hdfs-496.txt
>
>
> Common now has a pure java CRC32 implementation which is more efficient than java.util.zip.CRC32.
This issue is to make use of it.

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