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https://issues.apache.org/jira/browse/MAHOUT-1570?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14965921#comment-14965921
 ] 

ASF GitHub Bot commented on MAHOUT-1570:
----------------------------------------

Github user smarthi commented on a diff in the pull request:

    https://github.com/apache/mahout/pull/137#discussion_r42565606
  
    --- Diff: pom.xml ---
    @@ -121,6 +121,8 @@
         <scala.compat.version>2.10</scala.compat.version>
         <scala.version>2.10.4</scala.version>
         <spark.version>1.3.1</spark.version>
    +    <!-- TODO: Remove snapshot dependency when Flink 0.9.1 is released -->
    +    <flink.version>0.9-SNAPSHOT</flink.version>
    --- End diff --
    
    there is a Flink-scala-shell in the flink project. It should be available
    with the flink project binaries.
    
    On Tue, Oct 20, 2015 at 6:01 PM, Dmitriy Lyubimov <[email protected]>
    wrote:
    
    > In pom.xml
    > <https://github.com/apache/mahout/pull/137#discussion_r42560808>:
    >
    > > @@ -121,6 +121,8 @@
    > >      <scala.compat.version>2.10</scala.compat.version>
    > >      <scala.version>2.10.4</scala.version>
    > >      <spark.version>1.3.1</spark.version>
    > > +    <!-- TODO: Remove snapshot dependency when Flink 0.9.1 is released 
-->
    > > +    <flink.version>0.9-SNAPSHOT</flink.version>
    >
    > @alexey <https://github.com/alexey> : BTW is there such a thing as Flink
    > shell?
    > … <#15087459e636606c_>
    > On Tue, Oct 20, 2015 at 12:54 AM, Henry Saputra <[email protected]>
    > wrote: In pom.xml <#137 (comment)
    > <https://github.com/apache/mahout/pull/137#discussion_r42465218>>: > @@
    > -121,6 +121,8 @@ > <scala.compat.version>2.10</scala.compat.version> >
    > <scala.version>2.10.4</scala.version> >
    > <spark.version>1.3.1</spark.version> > + <!-- TODO: Remove snapshot
    > dependency when Flink 0.9.1 is released --> > +
    > <flink.version>0.9-SNAPSHOT</flink.version> Flink 0.9.1 is out so we could
    > remove the SNAPSHOT label I suppose. — Reply to this email directly or 
view
    > it on GitHub <https://github.com/apache/mahout/pull/137/files#r42465218>.
    >
    > —
    > Reply to this email directly or view it on GitHub
    > <https://github.com/apache/mahout/pull/137/files#r42560808>.
    >



> 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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