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https://issues.apache.org/jira/browse/MAHOUT-1636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pat Ferrel resolved MAHOUT-1636.
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Resolution: Fixed
Fix Version/s: (was: 1.0-snapshot)
0.10.0
Created a the smallest possible assembly of classes that satisfy both client
and worker need for all of scala code. This is needed for the Spark context but
may have classes only required by the client, Need to separate out eventually.
but this will do for 0.10.1
> Class dependencies for the spark module are put in a job.jar, which is very
> inefficient
> ---------------------------------------------------------------------------------------
>
> Key: MAHOUT-1636
> URL: https://issues.apache.org/jira/browse/MAHOUT-1636
> Project: Mahout
> Issue Type: Bug
> Components: spark
> Affects Versions: 1.0-snapshot
> Reporter: Pat Ferrel
> Assignee: Ted Dunning
> Labels: DSL, scala, spark
> Fix For: 0.10.0
>
>
> using a maven plugin and an assembly job.xml a job.jar is created with all
> dependencies including transitive ones. This job.jar is in
> mahout/spark/target and is included in the classpath when a Spark job is run.
> This allows dependency classes to be found at runtime but the job.jar include
> a great deal of things not needed that are duplicates of classes found in the
> main mrlegacy job.jar. If the job.jar is removed, drivers will not find
> needed classes. A better way needs to be implemented for including class
> dependencies.
> I'm not sure what that better way is so am leaving the assembly alone for
> now. Whoever picks up this Jira will have to remove it after deciding on a
> better method.
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