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https://issues.apache.org/jira/browse/LUCENE-1709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12855020#action_12855020
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Shai Erera commented on LUCENE-1709:
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Robert, I will commit the patch, seems good to do anyway. We can handle the ant
jars separately later.
And ths hang behavior is exactly what I experience, including the
FileInputStream thing. Only on my machine, when I took a thread dump, it showed
that Ant waits on FIS.read() ...
Robert - to remind you that even with the patch which forces junit to use a
separate temp folder per thread, it still hung ...
> 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
> Assignee: Robert Muir
> Fix For: 3.1
>
> Attachments: LUCENE-1709-2.patch, LUCENE-1709.patch,
> LUCENE-1709.patch, LUCENE-1709.patch, LUCENE-1709.patch, LUCENE-1709.patch,
> 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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