Shawn:

Trouble is there were 945 tests that failed at least once in the last
4 weeks. And the trend is all over the map on a weekly basis.

e-mail-2018-06-11.txt: There were 989 unannotated tests that failed
e-mail-2018-06-18.txt: There were 689 unannotated tests that failed
e-mail-2018-06-25.txt: There were 555 unannotated tests that failed
e-mail-2018-07-02.txt: There were 723 unannotated tests that failed
e-mail-2018-07-09.txt: There were 793 unannotated tests that failed
e-mail-2018-07-16.txt: There were 809 unannotated tests that failed
e-mail-2018-07-23.txt: There were 953 unannotated tests that failed
e-mail-2018-07-30.txt: There were 945 unannotated tests that failed

I'm BadApple'ing tests that fail every week for the last 4 weeks on
the theory that those are not temporary issues (hey, we all commit
code that breaks something then have to figure out why and fix).

I also have the feeling that somewhere, somehow, our test framework is
making some assumptions that are invalid. Or too strict. Or too fast.
Or there's some fundamental issue with some of our classes. Or... The
number of sporadic issues where the Object Tracker spits stuff out for
instance screams that some assumption we're making, either in the code
or in the test framework is flawed.

What I don't know is how to make visible progress. It's discouraging
to fix something and then next week have more tests fail for unrelated
reasons.

Visibility is the issue to me. We have no good way of saying "these
tests _just started failing for a reason. As a quick experiment, I
extended the triage to 10 weeks (no attempt to ascertain if these
tests even existed 10 weeks ago). Here are the tests that have _only_
failed in the last week, not the previous 9. BadApple'ing anything
that's only failed once seems overkill

Although the test that failed 77 times does just stand out....

week     pct        runs  fails            test
0            0.2      460      1
CloudSolrClientTest.testVersionsAreReturned
0            0.2      466      1
ComputePlanActionTest.testSelectedCollections
0            0.2      464      1
ConfusionMatrixGeneratorTest.testGetConfusionMatrixWithBM25NB
0            8.1       37      3      IndexSizeTriggerTest(suite)
0            0.2      454      1      MBeansHandlerTest.testAddedMBeanDiff
0            0.2      454      1      MBeansHandlerTest.testDiff
0            0.2      455      1      MetricTriggerTest.test
0            0.2      455      1      MetricsHandlerTest.test
0            0.2      455      1      MetricsHandlerTest.testKeyMetrics
0            0.2      453      1      RequestHandlersTest.testInitCount
0            0.2      453      1      RequestHandlersTest.testStatistics
0            0.2      453      1      ScheduledTriggerIntegrationTest(suite)
0            0.2      451      1      SearchRateTriggerTest.testWaitForElapsed
0            0.2      425      1
SoftAutoCommitTest.testSoftCommitWithinAndHardCommitMaxTimeRapidAdds
0           14.7      525     77
StreamExpressionTest.testSignificantTermsStream
0            0.2      454      1      TestBadConfig(suite)
0            0.2      465      1
TestBlockJoin.testMultiChildQueriesOfDiffParentLevels
0            0.6      462      3
TestCloudCollectionsListeners.testCollectionDeletion
0            0.2      456      1      TestInfoStreamLogging(suite)
0            0.2      456      1      TestLazyCores.testLazySearch
0            0.2      473      1
TestLucene70DocValuesFormat.testSortedSetAroundBlockSize
0           15.4       26      4
TestMockDirectoryWrapper.testThreadSafetyInListAll
0            0.2      454      1      TestNodeLostTrigger.testTrigger
0            0.2      453      1      TestRecovery.stressLogReplay
0            0.2      505      1
TestReplicationHandler.testRateLimitedReplication
0            0.2      425      1
TestSolrCloudWithSecureImpersonation.testForwarding
0            0.9      461      4
TestSolrDeletionPolicy1.testNumCommitsConfigured
0            0.2      454      1      TestSystemIdResolver(suite)
0            0.2      451      1      TestV2Request.testCloudSolrClient
0            0.2      451      1      TestV2Request.testHttpSolrClient
0            9.1       77      7
TestWithCollection.testDeleteWithCollection
0            3.9       77      3
TestWithCollection.testMoveReplicaWithCollection

So I don't know what I'm going to do here, we'll see if I get more
optimistic when the fog lifts.

Erick

On Wed, Aug 1, 2018 at 7:15 AM, Shawn Heisey <[email protected]> wrote:
> On 7/30/2018 11:52 AM, Erick Erickson wrote:
>>
>> Is anybody paying the least attention to this or should I just stop
>> bothering?
>
>
> The job you're doing is thankless.  That's the nature of the work.  I'd love
> to have the time to really help you out. If only my employer didn't expect
> me to spend so much time *working*!
>
>> I'd hoped to get to a point where we could get at least semi-stable
>> and start whittling away at the backlog. But with an additional 63
>> tests to BadApple (a little fudging here because of some issues with
>> counting suite-level tests .vs. individual test) it doesn't seem like
>> we're going in the right direction at all.
>>
>> Unless there's some value here, defined by people stepping up and at
>> least looking (and once a week is not asking too much) at the names of
>> the tests I'm going to BadApple to see if they ring any bells, I'll
>> stop wasting my time.
>
>
> Here's a crazy thought, which might be something you already considered:
> Try to figure out which tests pass consistently and BadApple *all the rest*
> of the Solr tests.  If there are any Lucene tests that fail with some
> regularity, BadApple those too.
>
> There are probably disadvantages to this approach, but here are the
> advantages I can think of:  1) The noise stops quickly. 2) Future heroic
> efforts will result in measurable progress -- to quote you, "whittling away
> at the backlog."
>
> Thank you a million times over for all the care and effort you've put into
> this.
>
> Shawn
>
>
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