erickerickson at gmail
Nov 25, 2009, 10:01 AM
Post #2 of 7
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Re: [jira] Commented: (LUCENE-1844) Speed up junit tests
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They're ready to go, but at Uwe's suggestion, I've been waiting for 3.0 to
get settled before prompting someone to apply this patch. I was going to
generate a new patch for this and for 2037 (junit4 tests) just to make sure
they were easy to apply. But if you're willing, the patches are already
attached to the JIRA issues. Do note that the decision in
MinBooleanShouldMatch to stop checking the query after 100 rather than
checking all 1,000 is included in the patch....
Do you want to apply the patches or should I regenerate? It's no big deal to
regenerate them and I'll have a better feel for reconciling any conflicts. I
don't know whether there even *are* any conflicts, but just in case....
For my info, though, if I have a more recent patch that *replaces* an
earlier patch, especially one that hasn't yet been applied, is it preferred
to delete the earlier patch when providing a new one?
I'm not pleased with the Junit4 documentation, most of what I've been able
to glean has come from brave souls blogging. Does anyone have a gold mine or
is it as hit-or-miss as I think? There are hints of parallelization
capabilities in Junit4, but I'm having a hard time finding anything in much
depth..... The Junit website is pathetic, I can't even find 4.7 javadocs, it
keeps giving me 4.5, as evidenced by no @Rule docs or @Intercept. And no
version information in the javadocs..... Or I'm completely missing the
boat.... I was thinking about getting the entire project over the weekend
and generating my own if I have the time
Erick
On Wed, Nov 25, 2009 at 11:49 AM, Michael McCandless (JIRA) <jira [at] apache
> wrote:
>
> [
> https://issues.apache.org/jira/browse/LUCENE-1844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12782497#action_12782497]
>
> Michael McCandless commented on LUCENE-1844:
> --------------------------------------------
>
> Is this ready to go in? I'd really love to see unit tests run faster :)
>
> > 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
> > Attachments: FastCnstScoreQTest.patch,
> hi_junit_test_runtimes.png, 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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