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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1114) Speed up ivy resolution in builds with clever caching
Date Mon, 26 Oct 2009 19:56:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12770161#action_12770161

Hadoop QA commented on MAPREDUCE-1114:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 829529.

    +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 patch appears to cause tar ant target to fail.

    -1 findbugs.  The patch appears to cause Findbugs to fail.

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

    -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/Mapreduce-Patch-h6.grid.sp2.yahoo.net/213/testReport/
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/213/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/213/console

This message is automatically generated.

> Speed up ivy resolution in builds with clever caching
> -----------------------------------------------------
>                 Key: MAPREDUCE-1114
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1114
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Minor
>         Attachments: mapreduce-1114.txt, mapreduce-1114.txt
> An awful lot of time is spent in the ivy:resolve parts of the build, even when all of
the dependencies have been fetched and cached. Profiling showed this was in XML parsing. I
have a sort-of-ugly hack which speeds up incremental compiles (and more importantly "ant test")
significantly using some ant macros to cache the resolved classpaths.

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