Patrick Wendell created SPARK-4501:
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             Summary: Create build/mvn to automatically download 
maven/zinc/scalac
                 Key: SPARK-4501
                 URL: https://issues.apache.org/jira/browse/SPARK-4501
             Project: Spark
          Issue Type: New Feature
          Components: Build
            Reporter: Patrick Wendell


For a long time we've had the sbt/sbt and this works well for users who want to 
build Spark with minimal dependencies (only Java). It would be nice to 
generalize this to maven as well and have build/sbt and build/mvn, where 
build/mvn was a script that downloaded Maven, Zinc, and Scala locally and set 
them up correctly. This would be totally "opt in" and people using system maven 
would be able to continue doing so.

My sense is that very few maven users are currently using Zinc even though from 
some basic tests I saw a huge improvement from using this. Also, having a 
simple way to use Zinc would make it easier to use Maven on our jenkins test 
machines.



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