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https://issues.apache.org/jira/browse/SPARK-2223?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14040094#comment-14040094
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Mridul Muralidharan commented on SPARK-2223:
--------------------------------------------

I usually do :
$ mvn -Pyarn-alpha clean; mvn -Pyarn-alpha -DskipTests=true install; mvn 
-Pyarn-alpha install

To ensure no older artifacts can even remotely affect the new build/test :-) 
(the -P since I then usually ship assembled jar to our cluster)
Takes about 1.5 hours or so on slightly older lenovo (primarily due to hive 
tests iirc).

> Building and running tests with maven is extremely slow
> -------------------------------------------------------
>
>                 Key: SPARK-2223
>                 URL: https://issues.apache.org/jira/browse/SPARK-2223
>             Project: Spark
>          Issue Type: Bug
>          Components: Build
>    Affects Versions: 1.0.0
>            Reporter: Thomas Graves
>
> For some reason using maven with Spark is extremely slow.  Building and 
> running tests takes way longer then other projects I have used that use 
> maven.  We should investigate to see why.  



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