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https://issues.apache.org/jira/browse/FLINK-3607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15307824#comment-15307824
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Maximilian Michels commented on FLINK-3607:
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Correct.
> Decrease default forkCount for tests
> ------------------------------------
>
> Key: FLINK-3607
> URL: https://issues.apache.org/jira/browse/FLINK-3607
> Project: Flink
> Issue Type: Improvement
> Components: Build System
> Reporter: Maximilian Michels
> Assignee: Maximilian Michels
> Labels: test-stability
> Fix For: 1.1.0
>
>
> I'm seeing many tests failures because of timeouts:
> https://builds.apache.org/job/flink-ci/1/testReport/
> The {{forkCount}} is set to the aggressive value {{1.5C}}. We should consider
> to reduce it at least to {{1C}} (1 fork per exposed physical/virtual core).
> That could improve the test stability.
> I did another test using {{1C}} on Jenkins and had only one failed test and a
> decreased (!) run time: https://builds.apache.org/job/flink-ci/2/testReport/
> 1.5C: 1h 57m
> 1C: 1h 35m
> I'll run some more tests to verify this.
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