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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1114) Speed up ivy resolution in builds with clever caching
Date Mon, 26 Oct 2009 19:40:59 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1114?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated MAPREDUCE-1114:
-----------------------------------

    Status: Patch Available  (was: Open)

> 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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