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https://issues.apache.org/jira/browse/HADOOP-9287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13646923#comment-13646923
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Jason Lowe commented on HADOOP-9287:
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Thanks for working on this, Andrey. Overall patch looks good, and I agree the
HDFS test changes are tightly coupled with the changes in common. It would be
a pain to tackle these changes in separate JIRAs, and since it's only modifying
tests I'm inclined to keep that as one patch. However the changes to the
hadoop-yarn tests have little to do with parallel testing in the hadoop-common
project and could trivially be separated. Could you please move these to a
separate YARN JIRA?
[~cnauroth], have you had a chance to kick the tires on this patch for Windows?
Given that the tests do not run in parallel by default, I don't believe the
concern about race conditions will affect the Windows build unless it
explicitly asks for a parallel test run. However it would be good to get
another datapoint to see if the tests run successfully in parallel on Windows
or if there's a test collision that only seems to happen on that platform.
> Parallel testing hadoop-common
> ------------------------------
>
> Key: HADOOP-9287
> URL: https://issues.apache.org/jira/browse/HADOOP-9287
> Project: Hadoop Common
> Issue Type: Test
> Components: test
> Affects Versions: 3.0.0
> Reporter: Tsuyoshi OZAWA
> Assignee: Andrey Klochkov
> Attachments: HADOOP-9287.1.patch, HADOOP-9287--N3.patch,
> HADOOP-9287--N3.patch, HADOOP-9287--N4.patch, HADOOP-9287--N5.patch,
> HADOOP-9287.patch, HADOOP-9287.patch
>
>
> The maven surefire plugin supports parallel testing feature. By using it, the
> tests can be run more faster.
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