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From "Sebastian Schelter (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAHOUT-1570) Adding support for Apache Flink as a backend for the Mahout DSL
Date Tue, 09 Jun 2015 06:52:03 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-1570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14578439#comment-14578439
] 

Sebastian Schelter commented on MAHOUT-1570:
--------------------------------------------

I don't think it makes sense to issue pull requests with unfinished code.

> Adding support for Apache Flink as a backend for the Mahout DSL
> ---------------------------------------------------------------
>
>                 Key: MAHOUT-1570
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1570
>             Project: Mahout
>          Issue Type: Improvement
>            Reporter: Till Rohrmann
>            Assignee: Suneel Marthi
>              Labels: DSL, flink, scala
>
> With the finalized abstraction of the Mahout DSL plans from the backend operations (MAHOUT-1529),
it should be possible to integrate further backends for the Mahout DSL. Apache Flink would
be a suitable candidate to act as a good execution backend. 
> With respect to the implementation, the biggest difference between Spark and Flink at
the moment is probably the incremental rollout of plans, which is triggered by Spark's actions
and which is not supported by Flink yet. However, the Flink community is working on this issue.
For the moment, it should be possible to circumvent this problem by writing intermediate results
required by an action to HDFS and reading from there.



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