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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5879) GzipCodec should read compression level etc from configuration
Date Wed, 27 May 2009 05:04:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12713416#action_12713416
] 

Hadoop QA commented on HADOOP-5879:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12408699/hadoop-5879-5-21.patch
  against trunk revision 778921.

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

    +1 tests included.  The patch appears to include 3 new or modified tests.

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

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    -1 findbugs.  The patch appears to introduce 4 new Findbugs warnings.

    +1 Eclipse classpath. The patch retains Eclipse classpath integrity.

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

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

    -1 contrib tests.  The patch failed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/406/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/406/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/406/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/406/console

This message is automatically generated.

> GzipCodec should read compression level etc from configuration
> --------------------------------------------------------------
>
>                 Key: HADOOP-5879
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5879
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: io
>            Reporter: Zheng Shao
>         Attachments: hadoop-5879-5-21.patch
>
>
> GzipCodec currently uses the default compression level. We should allow overriding the
default value from Configuration.
> {code}
>   static final class GzipZlibCompressor extends ZlibCompressor {
>     public GzipZlibCompressor() {
>       super(ZlibCompressor.CompressionLevel.DEFAULT_COMPRESSION,
>           ZlibCompressor.CompressionStrategy.DEFAULT_STRATEGY,
>           ZlibCompressor.CompressionHeader.GZIP_FORMAT, 64*1024);
>     }
>   }
> {code}

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