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https://issues.apache.org/jira/browse/MAHOUT-1888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15573915#comment-15573915
 ] 

ASF GitHub Bot commented on MAHOUT-1888:
----------------------------------------

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

    https://github.com/apache/mahout/pull/260#discussion_r83349655
  
    --- Diff: 
spark/src/test/scala/org/apache/mahout/sparkbindings/test/DistributedSparkSuite.scala
 ---
    @@ -45,6 +45,7 @@ trait DistributedSparkSuite extends 
DistributedMahoutSuite with LoggerConfigurat
               .set("spark.akka.frameSize", "30")
               .set("spark.default.parallelism", "10")
               .set("spark.executor.memory", "2G")
    +          .set("spark.kryo.registrationRequired", "true")
    --- End diff --
    
    Merging this to master. Also bumped Spark version to 1.6.2 and Flink to 
1.1.3 as part of this PR.


> Performance Bug with Mahout Vector Serialization
> ------------------------------------------------
>
>                 Key: MAHOUT-1888
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1888
>             Project: Mahout
>          Issue Type: Bug
>          Components: spark
>    Affects Versions: 0.12.2
>            Reporter: Suneel Marthi
>            Assignee: Suneel Marthi
>             Fix For: 0.13.0
>
>
> Identified a performance bug with Mahout Vector serialization in 
> DistributedSparkSuite.
> Add the following
> {Code}
> .set("spark.kryo.registrationRequired", "true")
> {Code}



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