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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1114) Speed up ivy resolution in builds with clever caching
Date Thu, 15 Oct 2009 05:20:33 GMT
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

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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