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From "Govind Kamat (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8462) Native-code implementation of bzip2 codec
Date Tue, 12 Feb 2013 18:55:13 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Govind Kamat updated HADOOP-8462:
---------------------------------

    Attachment: HADOOP-8462-2.0.2a.1.patch
                HADOOP-8462-trunk.1.patch

Updated patches to make native bzip2 support optional.  Will include it automatically if the
bzip2 library and headers are available.  The mvn option "-Drequire.bzip2" has also been added.
                
> Native-code implementation of bzip2 codec
> -----------------------------------------
>
>                 Key: HADOOP-8462
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8462
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io
>    Affects Versions: 0.23.1
>            Reporter: Govind Kamat
>            Assignee: Govind Kamat
>         Attachments: HADOOP-8462-2.0.2a.1.patch, HADOOP-8462-2.0.2a.patch, HADOOP-8462-trunk.1.patch,
HADOOP-8462-trunk.patch, HADOOP-8462-trunk.patch
>
>   Original Estimate: 672h
>  Remaining Estimate: 672h
>
> The bzip2 codec supplied with Hadoop is currently available only as a Java implementation.
 A version that uses the system bzip2 library can provide improved performance and a better
memory footprint.  This will also make it feasible to utilize alternative bzip2 libraries
that may perform better for specific jobs.

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