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From "Sebastian Schelter (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAHOUT-1346) Spark Bindings (DRM)
Date Wed, 13 Nov 2013 00:19:18 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-1346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13820717#comment-13820717
] 

Sebastian Schelter commented on MAHOUT-1346:
--------------------------------------------

Its way off unfortunately, its exploratory research.

> 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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