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https://issues.apache.org/jira/browse/PIO-30?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15906774#comment-15906774
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ASF GitHub Bot commented on PIO-30:
-----------------------------------
Github user shimamoto commented on the issue:
https://github.com/apache/incubator-predictionio/pull/345
Just for your information.
I tried my hand at removing unnecessary dependences and setting the
`crossScalaVersions` as well.
https://github.com/shimamoto/incubator-predictionio/commit/ad0cace0507a951a160e29b3e1e7d9deb58aba22
At the tools project, type `+assembly`. Then, create all versions jars.
This is just temporary. I still have things to do. Sooner or later, I will
open a PR.
> Cross build for different versions of scala and spark
> -----------------------------------------------------
>
> Key: PIO-30
> URL: https://issues.apache.org/jira/browse/PIO-30
> Project: PredictionIO
> Issue Type: Improvement
> Reporter: Marcin Ziemiński
> Assignee: Chan
> Fix For: 0.11.0
>
>
> The present version of Scala is 2.10 and Spark is 1.4, which is quite old.
> With Spark 2.0.0 come many performance improvements and features, that people
> will definitely like to add to their templates. I am also aware that past
> cannot be ignored and simply dumping 1.x might not be an option for other
> users.
> I propose setting up a crossbuild in sbt to build with scala 2.10 and Spark
> 1.6 and a separate one for Scala 2.11 and Spark 2.0. Most of the files will
> be consistent between versions including API. The problematic ones will be
> divided between additional source directories: src/main/scala-2.10/ and
> src/main/scala-2.11/. The dockerized tests should also take the two versions
> into consideration
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