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https://issues.apache.org/jira/browse/LUCENE-1844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir reopened LUCENE-1844:
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reopening as i have some ideas to speed up some tests.
> Speed up junit tests
> --------------------
>
> Key: LUCENE-1844
> URL: https://issues.apache.org/jira/browse/LUCENE-1844
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Mark Miller
> Assignee: Michael McCandless
> Fix For: 3.1
>
> Attachments: FastCnstScoreQTest.patch, hi_junit_test_runtimes.png,
> LUCENE-1844-Junit3.patch, LUCENE-1844.patch, LUCENE-1844.patch,
> LUCENE-1844.patch
>
>
> As Lucene grows, so does the number of JUnit tests. This is obviously a good
> thing, but it comes with longer and longer test times. Now that we also run
> back compat tests in a standard test run, this problem is essentially doubled.
> There are some ways this may get better, including running parallel tests.
> You will need the hardware to fully take advantage, but it should be a nice
> gain. There is already an issue for this, and Junit 4.6, 4.7 have the
> beginnings of something we might be able to count on soon. 4.6 was buggy, and
> 4.7 still doesn't come with nice ant integration. Parallel tests will come
> though.
> Beyond parallel testing, I think we also need to concentrate on keeping our
> tests lean. We don't want to sacrifice coverage or quality, but I'm sure
> there is plenty of fat to skim.
> I've started making a list of some of the longer tests - I think with some
> work we can make our tests much faster - and then with parallelization, I
> think we could see some really great gains.
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