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https://issues.apache.org/jira/browse/HADOOP-11984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14557188#comment-14557188
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Allen Wittenauer commented on HADOOP-11984:
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It would probably be good to have a flag to turn parallel tests on and off as
well as one to set how many to run concurrently. This way folks running
test-patch on their laptops aren't taken by surprised.
> Enable parallel JUnit tests in pre-commit.
> ------------------------------------------
>
> Key: HADOOP-11984
> URL: https://issues.apache.org/jira/browse/HADOOP-11984
> Project: Hadoop Common
> Issue Type: Improvement
> Components: build, scripts, test
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Attachments: HADOOP-11984.001.patch, HADOOP-11984.002.patch,
> HADOOP-11984.003.patch, HADOOP-11984.004.patch, HADOOP-11984.005.patch,
> HADOOP-11984.006.patch, HADOOP-11984.007.patch
>
>
> HADOOP-9287 and related issues implemented the parallel-tests Maven profile
> for running JUnit tests in multiple concurrent processes. This issue
> proposes to activate that profile during pre-commit to speed up execution.
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