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

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-10471?focusedWorklogId=465597&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-465597 ]

ASF GitHub Bot logged work on BEAM-10471:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 03/Aug/20 09:21
            Start Date: 03/Aug/20 09:21
    Worklog Time Spent: 10m 
      Work Description: echauchot commented on pull request #12432:
URL: https://github.com/apache/beam/pull/12432#issuecomment-667912069


   @aaltay thanks ! fixed forgotten checkstyle. Waiting for green light to self merge


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 465597)
    Time Spent: 1h 10m  (was: 1h)

> 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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