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https://issues.apache.org/jira/browse/SOLR-10032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15861677#comment-15861677
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Mark Miller commented on SOLR-10032:
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Back to my point that devs and Jenkins will play an very important role in
testing regardless of the progress made on this front.
Please keep reporting tests that you know fail and are not yet popping out in
these reports. That is two I will make sure have JIRA issues and I can quickly
and easily beast them a few hundred times and report the results.
As tests are flagged, special attention can produce much more likely fails.
Simply adding many more iterations for a test is the great hammer but you can
also look at running even more in parallel or creating other fake load. Some
tests are not very aggressive competition with themselves even at 10 in
parallel.
I have plenty of experience pulling out failures from single tests, plenty of
knobs to twist, this is just about getting a list of those tests to focus on
and naming names.
So if your favorite flakey test has not made the report yet, please report it
here and I'll give it some special attention.
> Create report to assess Solr test quality at a commit point.
> ------------------------------------------------------------
>
> Key: SOLR-10032
> URL: https://issues.apache.org/jira/browse/SOLR-10032
> Project: Solr
> Issue Type: Task
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Tests
> Reporter: Mark Miller
> Assignee: Mark Miller
> Attachments: Lucene-Solr Master Test Beast Results
> 01-24-2017-9899cbd031dc3fc37a384b1f9e2b379e90a9a3a6 Level Medium- Running 30
> iterations, 12 at a time .pdf, Lucene-Solr Master Test Beasults
> 02-01-2017-bbc455de195c83d9f807980b510fa46018f33b1b Level Medium- Running 30
> iterations, 10 at a time.pdf, Lucene-Solr Master Test Beasults
> 02-08-2017-6696eafaae18948c2891ce758c7a2ec09873dab8 Level Medium+- Running 30
> iterations, 10 at a time, 8 cores.pdf
>
>
> We have many Jenkins instances blasting tests, some official, some policeman,
> I and others have or had their own, and the email trail proves the power of
> the Jenkins cluster to find test fails.
> However, I still have a very hard time with some basic questions:
> what tests are flakey right now? which test fails actually affect devs most?
> did I break it? was that test already flakey? is that test still flakey? what
> are our worst tests right now? is that test getting better or worse?
> We really need a way to see exactly what tests are the problem, not because
> of OS or environmental issues, but more basic test quality issues. Which
> tests are flakey and how flakey are they at any point in time.
> Reports:
> 01/24/2017 -
> https://docs.google.com/spreadsheets/d/1JySta2j2s7A_p16wA1UO-l6c4GsUHBIb4FONS2EzW9k/edit?usp=sharing
> 02/01/2017 -
> https://docs.google.com/spreadsheets/d/1FndoyHmihaOVL2o_Zns5alpNdAJlNsEwQVoJ4XDWj3c/edit?usp=sharing
> 02/08/2017 -
> https://docs.google.com/spreadsheets/d/1N6RxH4Edd7ldRIaVfin0si-uSLGyowQi8-7mcux27S0/edit?usp=sharing
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