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https://issues.apache.org/jira/browse/LUCENE-1709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854957#action_12854957
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Tom Burton-West commented on LUCENE-1709:
-----------------------------------------
I am having the same issue Shai reported in LUCENE-2353 with the parallel tests
apparently causing the tests to hang on my Windows box with both Revision
931573 and Revision 931304 when running the tests from root.
Tests hang in WriteLineDocTaskTest, on this line:
[junit] ------------> config properties:
[junit] directory = RAMDirectory
[junit] doc.maker =
org.apache.lucene.benchmark.byTask.tasks.WriteLineDocTaskTest$JustDateDocMaker
[junit] line.file.out =
D:\dev\lucene\lucene-trunk\build\contrib\benchmark\test\W\one-line
[junit] -------------------------------
I just ran the test last night with Revision 931708 and had no problem. Ran
it again this morning and got the hanging behavior. The difference is that
last night the only thing running on my computer besides a couple of ssh
terminal windows was the tests. Today when I ran the tests and got the
hanging behavior, I have firefox, outlook, exceed, wordpad open. The tests are
taking 98-99.9% of my cpu while hanging. I suspect there is some kind of
resource issue when running the tests in parallel.
Tom Burton-West
> 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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