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https://issues.apache.org/jira/browse/SPARK-1672?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng closed SPARK-1672.
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Resolution: Implemented
Assignee: Tor Myklebust
PR: https://github.com/apache/spark/pull/1014
> Support separate partitioners (and numbers of partitions) for users and
> products
> --------------------------------------------------------------------------------
>
> Key: SPARK-1672
> URL: https://issues.apache.org/jira/browse/SPARK-1672
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Reporter: Tor Myklebust
> Assignee: Tor Myklebust
> Priority: Minor
> Fix For: 1.1.0
>
>
> The user ought to be able to specify a partitioning of his data if he knows a
> good one. It's convenient to have separate partitioners for users and
> products so that no strange mapping step needs to happen.
> It may also be reasonable to partition the users and products into different
> numbers of partitions (for instance, to balance memory requirements) if the
> dataset is tall, thin, and very sparse.
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