[jira] [Commented] (MAHOUT-1224) Add the option of running a StreamingKMeans pass in the Reducer before BallKMeans

["Hudson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAHOUT-1224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13672661#comment-13672661 ] 

Hudson commented on MAHOUT-1224:
--------------------------------

Integrated in Mahout-Quality #2032 (See [https://builds.apache.org/job/Mahout-Quality/2032/])
    MAHOUT-1224: Add the option of running a StreamingKMeans pass in the Reducer (Revision 1488766)

     Result = SUCCESS
dfilimon : 
Files : 
* /mahout/trunk/CHANGELOG
* /mahout/trunk/core/src/main/java/org/apache/mahout/clustering/streaming/mapreduce/StreamingKMeansDriver.java
* /mahout/trunk/core/src/main/java/org/apache/mahout/clustering/streaming/mapreduce/StreamingKMeansReducer.java
* /mahout/trunk/core/src/test/java/org/apache/mahout/clustering/streaming/mapreduce/StreamingKMeansTestMR.java

                
> Add the option of running a StreamingKMeans pass in the Reducer before BallKMeans
> ---------------------------------------------------------------------------------
>
>                 Key: MAHOUT-1224
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1224
>             Project: Mahout
>          Issue Type: New Feature
>          Components: Clustering
>    Affects Versions: 0.8
>            Reporter: Dan Filimon
>            Assignee: Dan Filimon
>             Fix For: 0.8
>
>
> Sometimes, the number of points passed to the reducer from the mappers in the StreamingKMeansDriver job is too large to fit into memory.
> In that case, applying another StreamingKMeans pass can collapse the mapper intermediate clusters to a more manageable size to be clustered.

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