[jira] [Commented] (BEAM-10471) Failure / flake in CassandraIOTest > testEstimatedSizeBytes

["Etienne Chauchot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-10471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17169845#comment-17169845 ] 

Etienne Chauchot commented on BEAM-10471:
-----------------------------------------

Merging the PR as soon as the CI is green. I'll then wait for a couple of weeks to see if the flakiness is gone

> Failure / flake in CassandraIOTest > testEstimatedSizeBytes
> -----------------------------------------------------------
>
>                 Key: BEAM-10471
>                 URL: https://issues.apache.org/jira/browse/BEAM-10471
>             Project: Beam
>          Issue Type: Bug
>          Components: io-java-cassandra
>            Reporter: Kenneth Knowles
>            Priority: P1
>              Labels: flake
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> https://ci-beam.apache.org/job/beam_PreCommit_Java_Commit/12328/testReport/junit/org.apache.beam.sdk.io.cassandra/CassandraIOTest/testEstimatedSizeBytes/
> {{AssertionError}} with no error message. Please give a meaningful error message. Preferably do not use {{assertTrue}} and other less meaningful asserters.
> Digging into the code, it is a bounds check that the estimated bytes are +/- 10% of expected, since the result is nondeterministic. It fell outside of the range but since the assertion is written as {{assertTrue}} we do not see the actual value.
> https://github.com/apache/beam/blob/66bcc9a967746cad12dfdeed473fb60c77033514/sdks/java/io/cassandra/src/test/java/org/apache/beam/sdk/io/cassandra/CassandraIOTest.java#L291



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