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https://issues.apache.org/jira/browse/MAHOUT-916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13641639#comment-13641639
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Dawid Weiss commented on MAHOUT-916:
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I'm not advocating for making the build any more complex but the runner from
randomizedtesting (used in Lucene) separates the current working directory for
every forked JVM so that their data don't clash with each other. Uwe also came
up with a nice idea of placing a security manager on top and restricting that
any writes can *only* happen under that forked directory, not anywhere else.
The upside of this is that you immediately know if something attempts to write
where it's not supposed to. The downside is that the build gets a bit more
complex (it's not surefire, it's a different runner). Surefire folks are pretty
open to ideas though -- perhaps they could add an isolation like that to
Surefire.
> Make Mahout's tests run in parallel
> -----------------------------------
>
> Key: MAHOUT-916
> URL: https://issues.apache.org/jira/browse/MAHOUT-916
> Project: Mahout
> Issue Type: Improvement
> Components: build
> Reporter: Grant Ingersoll
> Assignee: Isabel Drost
> Priority: Minor
> Labels: MAHOUT_INTRO_CONTRIBUTE
> Attachments: MAHOUT-916.patch, MAHOUT-916.patch
>
>
> Maven now supports parallel execution of tests. We should hook this in to
> Mahout.
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