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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7323) Add capability to resolve compression codec based on codec name
Date Thu, 02 Jun 2011 21:57:47 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13043083#comment-13043083
] 

Hadoop QA commented on HADOOP-7323:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12481292/HADOOP-7323.patch
  against trunk revision 1130833.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 6 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    -1 javac.  The patch appears to cause tar ant target to fail.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed these core unit tests:


    -1 system test framework.  The patch failed system test framework compile.

Test results: https://builds.apache.org/hudson/job/PreCommit-HADOOP-Build/564//testReport/
Findbugs warnings: https://builds.apache.org/hudson/job/PreCommit-HADOOP-Build/564//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/hudson/job/PreCommit-HADOOP-Build/564//console

This message is automatically generated.

> Add capability to resolve compression codec based on codec name
> ---------------------------------------------------------------
>
>                 Key: HADOOP-7323
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7323
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: io
>    Affects Versions: 0.21.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-7323.patch, HADOOP-7323.patch, HADOOP-7323b.patch
>
>
> When setting up a compression codec in an MR job the full class name of the codec must
be used.
> To ease usability, compression codecs should be resolved by their codec name (ie 'gzip',
'deflate', 'zlib', 'bzip2') instead their full codec class name.
> Besides easy of use for Hadoop users who would use the codec alias instead the full codec
class name, it could simplify how HBase resolves loads the codecs.

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