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Date: Wed, 26 Sep 2012 04:56:08 +1100 (NCT)
From: "Arun C Murthy (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HADOOP-8617) backport pure Java CRC32 calculator
 changes to branch-1
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     [ https://issues.apache.org/jira/browse/HADOOP-8617?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy updated HADOOP-8617:
----------------------------------

    Affects Version/s:     (was: 1.2.0)
        Fix Version/s:     (was: 1.2.0)
                       1.1.0

I merged this to branch-1.1 too.
                
> 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
>            Reporter: Brandon Li
>            Assignee: Brandon Li
>             Fix For: 1.1.0
>
>         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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