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Posted to hdfs-issues@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2012/09/25 19:58:07 UTC

[jira] [Updated] (HDFS-496) Use PureJavaCrc32 in HDFS

     [ https://issues.apache.org/jira/browse/HDFS-496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy updated HDFS-496:
-------------------------------

    Fix Version/s:     (was: 1.2.0)
                   1.1.0

I just merged this to branch-1.1 too.
                
> 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, 1.1.0
>
>         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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