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From "Nicolas Liochon (JIRA)" <>
Subject [jira] [Commented] (SPARK-3431) Parallelize execution of tests
Date Wed, 10 Dec 2014 01:47:12 GMT


Nicolas Liochon commented on SPARK-3431:

Yep, it seems ok from a maven point of view. The safest at the beginning it to try forkCount=1/reuseForks=false,
then you can increase the forkCount. The default is forkCount=1/reuseForks=true, but I doubt
it's the issue as Sean already reproduced it outside of maven.

> Parallelize execution of tests
> ------------------------------
>                 Key: SPARK-3431
>                 URL:
>             Project: Spark
>          Issue Type: Improvement
>          Components: Build
>            Reporter: Nicholas Chammas
>            Assignee: Nicholas Chammas
>         Attachments: SPARK-3431-srowen-attempt.patch
> Running all the tests in {{dev/run-tests}} takes up to 2 hours. A common strategy to
cut test time down is to parallelize the execution of the tests. Doing that may in turn require
some prerequisite changes to be made to how certain tests run.

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