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https://issues.apache.org/jira/browse/CALCITE-2523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16604866#comment-16604866
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Julian Hyde commented on CALCITE-2523:
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Can you make sure that the tests get run regularly with ENABLE_SLOW? If you
don't do that, you've just killed a test.
> PartiallyOrderedSetTest#testPosetBitsLarge takes ~80 seconds at Travis
> ----------------------------------------------------------------------
>
> Key: CALCITE-2523
> URL: https://issues.apache.org/jira/browse/CALCITE-2523
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.17.0
> Reporter: Vladimir Sitnikov
> Assignee: Julian Hyde
> Priority: Major
> Fix For: 1.18.0
>
>
> PartiallyOrderedSetTest#testPosetBitsLarge is quite large, and it performs
> exactly the same computation during test execution.
> I suggest to guard the test like {{testPosetBitsLarge2}} with ENABLE_SLOW:
> {code:java}Assume.assumeTrue("too slow to run every day",
> CalciteAssert.ENABLE_SLOW);{code}
> Alternative options: reduce test complexity to make it faster, and/or
> randomize test execution so it explores new test cases on every execution.
> For instance, it could run for 5 seconds and explore new cases each time.
> Current test is more or less useless, and it does take noticeable CI time.
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