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https://issues.apache.org/jira/browse/ARROW-9208?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17142084#comment-17142084
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Antoine Pitrou commented on ARROW-9208:
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Yes, timing-based tests can be subject to intermittent failures in case they
are run on overloaded machines. I'm not sure we can do anything about it. Those
tests are useful in themselves.
> [C++] SlowInputStream test failure in GitHub Actions
> ----------------------------------------------------
>
> Key: ARROW-9208
> URL: https://issues.apache.org/jira/browse/ARROW-9208
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
> Fix For: 1.0.0
>
>
> I noticed this test failure in one of our nightly builds (ubuntu-20.04-cpp-14)
> {code}
> [ RUN ] TestSlowInputStream.Basics
> /arrow/cpp/src/arrow/io/memory_test.cc:374: Failure
> Expected: (dt) < (latency * 3), actual: 2.26828 vs 1.8
> {code}
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