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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-1709) Parallelize Tests
Date Sun, 07 Mar 2010 17:33:27 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1709?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Muir updated LUCENE-1709:
--------------------------------

    Attachment: LUCENE-1709.patch

Here is a in-progress patch to build.xml/common-build.xml
It runs tests in parallel (2 jvms per cpu)
On my computer, 'test-core' is 1:02 and 'test' is 3:29 with the patch.

Not ready for committing yet, and needs some improvements and fixes.

> Parallelize Tests
> -----------------
>
>                 Key: LUCENE-1709
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1709
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>    Affects Versions: 2.4.1
>            Reporter: Jason Rutherglen
>             Fix For: 3.1
>
>         Attachments: LUCENE-1709.patch, runLuceneTests.py
>
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> The Lucene tests can be parallelized to make for a faster testing system.  
> This task from ANT can be used: http://ant.apache.org/manual/CoreTasks/parallel.html
> Previous discussion: http://www.gossamer-threads.com/lists/lucene/java-dev/69669
> Notes from Mike M.:
> {quote}
> I'd love to see a clean solution here (the tests are embarrassingly
> parallelizable, and we all have machines with good concurrency these
> days)... I have a rather hacked up solution now, that uses
> "-Dtestpackage=XXX" to split the tests up.
> Ideally I would be able to say "use N threads" and it'd do the right
> thing... like the -j flag to make.
> {quote}

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