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From "Jim Witschey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-10730) periodic timeout errors in dtest
Date Tue, 08 Dec 2015 21:20:11 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-10730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15047487#comment-15047487
] 

Jim Witschey commented on CASSANDRA-10730:
------------------------------------------

bq. Is it reproducible locally, or is it just in the CI environment?

I've never seen it anywhere but CassCI.

bq. Are you able to capture driver logs at DEBUG level?

Running with the driver logged at DEBUG now, starting with build #42:

http://cassci.datastax.com/view/Dev/view/mambocab/job/mambocab-cassandra-3.0-dtest/42/

Thanks to both of you for your input; I'll probably bug you to interpret the output at some
point.

> periodic timeout errors in dtest
> --------------------------------
>
>                 Key: CASSANDRA-10730
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10730
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jim Witschey
>            Assignee: Jim Witschey
>
> Dtests often fail with connection timeout errors. For example:
> http://cassci.datastax.com/job/cassandra-3.1_dtest/lastCompletedBuild/testReport/upgrade_tests.cql_tests/TestCQLNodes3RF3/deletion_test/
> {code}
> ('Unable to connect to any servers', {'127.0.0.1': OperationTimedOut('errors=Timed out
creating connection (10 seconds), last_host=None',)})
> {code}
> We've merged a PR to increase timeouts:
> https://github.com/riptano/cassandra-dtest/pull/663
> It doesn't look like this has improved things:
> http://cassci.datastax.com/view/cassandra-3.0/job/cassandra-3.0_dtest/363/testReport/
> Next steps here are
> * to scrape Jenkins history to see if and how the number of tests failing this way has
increased (it feels like it has). From there we can bisect over the dtests, ccm, or C*, depending
on what looks like the source of the problem.
> * to better instrument the dtest/ccm/C* startup process to see why the nodes start but
don't successfully make the CQL port available.



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