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https://issues.apache.org/jira/browse/MAHOUT-1570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14945404#comment-14945404
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ASF GitHub Bot commented on MAHOUT-1570:
----------------------------------------

Github user dlyubimov commented on the pull request:

    https://github.com/apache/mahout/pull/137#issuecomment-145934646
  
    If they are standard algorithm tests coming from the abstract test suites
    in math-scala, they currently cannot be disabled (in any way i know anyway)
    without disabling them for other backends too.
    
    Thanks Alexey, i will take a look again when i have time!
    
    On Tue, Oct 6, 2015 at 1:02 AM, Suneel Marthi <notificati...@github.com>
    wrote:
    
    > I think it's best to disable the failing tests, else it's gonna break the
    > ci build
    >
    > Sent from my iPhone
    >
    > > On Oct 6, 2015, at 3:45 AM, Alexey Grigorev <notificati...@github.com>
    > wrote:
    > >
    > > So I fixed it and I can run mvn clean package -DskipTests. But since
    > some of the tests don't pass for the Flink backend, if I remove the
    > -DskipTests, I won't build. What do you think, should I disable the 
failing
    > tests?
    > >
    > > —
    > > Reply to this email directly or view it on GitHub.
    > >
    >
    > —
    > Reply to this email directly or view it on GitHub
    > <https://github.com/apache/mahout/pull/137#issuecomment-145775984>.
    >



> 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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