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https://issues.apache.org/jira/browse/MAHOUT-1346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13889861#comment-13889861
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Sebastian Schelter commented on MAHOUT-1346:
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Big +1 on that.
> Spark Bindings (DRM)
> --------------------
>
> Key: MAHOUT-1346
> URL: https://issues.apache.org/jira/browse/MAHOUT-1346
> Project: Mahout
> Issue Type: Improvement
> Affects Versions: 0.8
> Reporter: Dmitriy Lyubimov
> Assignee: Dmitriy Lyubimov
> Fix For: Backlog
>
>
> Spark bindings for Mahout DRM.
> DRM DSL.
> Disclaimer. This will all be experimental at this point.
> The idea is to wrap DRM by Spark RDD with support of some basic
> functionality, perhaps some humble beginning of Cost-based optimizer
> (0) Spark serialization support for Vector, Matrix
> (1) Bagel transposition
> (2) slim X'X
> (2a) not-so-slim X'X
> (3) blockify() (compose RDD containing vertical blocks of original input)
> (4) read/write Mahout DRM off HDFS
> (5) A'B
> ...
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