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From "Suneel Marthi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAHOUT-1570) Adding support for Apache Flink as a backend for the Mahout DSL
Date Tue, 20 Oct 2015 10:35:27 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-1570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14964951#comment-14964951
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Suneel Marthi commented on MAHOUT-1570:
---------------------------------------

I am seeing this OOM too, will dig into this today. Possibly some Flink settings that we could
be missing.
We should be going off of Flink 0.10-Snapshot, since 0.10 will be released anytime soon.



> 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: Alexey Grigorev
>              Labels: DSL, flink, scala
>             Fix For: 0.11.1
>
>
> 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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