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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HADOOP-8617) backport pure Java CRC32 calculator changes to branch-1
Date Wed, 25 Jul 2012 14:04:34 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8617?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Tsz Wo (Nicholas), SZE resolved HADOOP-8617.

       Resolution: Fixed
    Fix Version/s: 1.2.0

I have committed this.  Thanks, Brandon!
> backport pure Java CRC32 calculator changes to branch-1
> -------------------------------------------------------
>                 Key: HADOOP-8617
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8617
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: performance
>    Affects Versions: 1.2.0
>            Reporter: Brandon Li
>            Assignee: Brandon Li
>             Fix For: 1.2.0
>         Attachments: HADOOP-8617.patch
> Multiple efforts have been made gradually to improve the CRC performance in Hadoop. This
JIRA is to back port these changes to branch-1, which include HADOOP-6166, HADOOP-6148, HADOOP-7333.
> The related HDFS and MAPREDUCE patches are uploaded to their original JIRAs HDFS-496
and MAPREDUCE-782.

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