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From Karthik Kambatla <ka...@cloudera.com>
Subject Uncertainty of pre-commit builds
Date Tue, 31 Mar 2015 16:21:46 GMT
Hi devs,

I am sure people must have noticed, but thought I would bring this up.

I have noticed that our pre-commit builds could end up running the "wrong"
set of unit tests for patches. For instance, YARN-3412
<https://issues.apache.org/jira/browse/YARN-3412> changes only YARN files,
but the test were run against one of the MR modules.

I suspect there is a race condition when there are multiple builds
executing on the same node, or remnants from a previous run are getting
picked up.

Filed HADOOP-11779 for this.

Karthik Kambatla
Software Engineer, Cloudera Inc.

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