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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6069) Remove explicit dynamic loading of libz in native code
Date Fri, 19 Jun 2009 05:33:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12721657#action_12721657
] 

Hadoop QA commented on HADOOP-6069:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12411009/hadoop-6069.txt
  against trunk revision 786278.

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

    +1 tests included.  The patch appears to include 1 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 does not introduce any 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/532/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/532/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/532/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-vesta.apache.org/532/console

This message is automatically generated.

> Remove explicit dynamic loading of libz in native code
> ------------------------------------------------------
>
>                 Key: HADOOP-6069
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6069
>             Project: Hadoop Core
>          Issue Type: Improvement
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: hadoop-6069-guts.txt, hadoop-6069.txt
>
>
> The native zlib code currently uses dlopen/dlsym to dynamically load libz. This used
to make sense when there was an lzo option (so you could load libhadoop for lzo purposes without
requiring libz as well). Now that libhadoop only has zlib as an option, it makes sense to
just add it as an ld flag and let it be automatically loaded as a shlib dependency. I also
doubt that there are any distros where libz isn't required by the base system.

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