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https://issues.apache.org/jira/browse/MAHOUT-916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Isabel Drost-Fromm resolved MAHOUT-916.
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Resolution: Fixed
Fix Version/s: 0.8
Final comment on that one: Current number of parallel threads is set to 1.5
number of CPUs reported by your machine.
That means in order to avoid swapping (that is in order to avoid having your
tests run slower than when executed sequentially) the max amount of memory for
each thread should be configured to be mem of your machine / (1.5 * number of
cores) - this can be done in the maven surefire plugin itself. Currently each
thread is configured to use 1.8 gigs if I see that correctly. Reduce if you
think this is too much for your average developer's machine.
> 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-Fromm
> Priority: Minor
> Labels: MAHOUT_INTRO_CONTRIBUTE
> Fix For: 0.8
>
> Attachments: MAHOUT-916.patch, MAHOUT-916.patch, MAHOUT-916.patch,
> MAHOUT-916.patch
>
>
> Maven now supports parallel execution of tests. We should hook this in to
> Mahout.
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