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https://issues.apache.org/jira/browse/CASSANDRA-16952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17432696#comment-17432696
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Ekaterina Dimitrova commented on CASSANDRA-16952:
-------------------------------------------------

Hey [~k-rus], sorry, I wasn't clear. I think we spent so much time on tests 
fixing that we started to understand each other with two words and just handle 
quickly certain tickets/issues without giving enough context to others. 
Something we need to do better.

{{test_multiple_repair}} of 
{{repair_tests.incremental_repair_test.TestIncRepair is 
[stable|https://jenkins-cm4.apache.org/job/Cassandra-trunk/791/testReport/dtest-large-novnode.repair_tests.incremental_repair_test/]
 in Jenkins.}}

I [ran it 1000 times in Circle 
CI|https://app.circleci.com/pipelines/github/ekaterinadimitrova2/cassandra/1163/workflows/16b60bae-caa5-4ede-938b-6dd3fa7bb3c9/jobs/6809]
 and it timed out 4 times.

{{test_simultaneous_bootstrap is also stable in Jenkins and here it is [1000 
times completed 
successfully|https://app.circleci.com/pipelines/github/ekaterinadimitrova2/cassandra/1162/workflows/dfe5ad1e-b46c-415e-b91c-f2fc7ef617e1/jobs/6810]
 in CircleCI.}}

It seems like the tests timed out in Circle which happens often with different 
tests, it is related to the different resources, etc. It is very hard to make 
everything passing everywhere on all infrastructure as time is always a thing. 

If you reproduce different issue, let's open a ticket. Please let me know if 
you have any questions or concerns.

[~brandon.williams], any objections around {{test_multiple_repair}}{{? I see 
that log archives are already wiped from [~k-rus]'s runs but you can check the 
logs from those I linked today. }}

 

> Number of dtest are flaky due to timeout
> ----------------------------------------
>
>                 Key: CASSANDRA-16952
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16952
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Test/dtest/python
>            Reporter: Ruslan Fomkin
>            Priority: Normal
>
> {{test_multiple_repair}} of 
> {{repair_tests.incremental_repair_test.TestIncRepair}} has failed on CircleCI 
> build and was identified as flaky by CircleCI. See [the 
> failure|https://app.circleci.com/pipelines/github/k-rus/cassandra/10/workflows/846bfcdc-b33e-4e57-9252-56ef445d115a/jobs/92/tests#failed-test-0]
> The error:
> {code:python}
> >           raise self._final_exception
> E           cassandra.OperationTimedOut: errors={<Host: 127.0.0.3:9042 
> datacenter1>: ConnectionShutdown('Connection to 127.0.0.3:9042 was 
> closed',)}, last_host=127.0.0.1:9042
> ../env3.6/src/cassandra-driver/cassandra/cluster.py:4894: OperationTimedOut
> {code}
> Similarly {{test_simultaneous_bootstrap}} from 
> {{bootstrap_test.TestBootstrap}} failed in a CircleCI build and was 
> identified as flaky by CircleCI. See for example [this 
> build|https://app.circleci.com/pipelines/github/k-rus/cassandra/16/workflows/9987f757-93f3-4c57-af73-09f4b217ee49/jobs/161/tests#failed-test-0].
>  The same timeout error as above.



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