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https://issues.apache.org/jira/browse/BEAM-6405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16739478#comment-16739478
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Maximilian Michels commented on BEAM-6405:
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CC [~thw]
> Improve PortableValidatesRunner test reliability on Jenkins
> -----------------------------------------------------------
>
> Key: BEAM-6405
> URL: https://issues.apache.org/jira/browse/BEAM-6405
> Project: Beam
> Issue Type: Test
> Components: runner-flink
> Reporter: Maximilian Michels
> Assignee: Maximilian Michels
> Priority: Major
>
> The PVR tests seem to be passing fine and then failing consecutively for no
> reason: https://builds.apache.org/job/beam_PostCommit_Java_PVR_Flink_Batch/
> It looks like the outrageous parallelism, i.e. number of available cores, is
> responsible for the flakiness if there is additional load on the build
> slaves. We should lower the parallelism.
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