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Posted to dev@mahout.apache.org by "Robin Anil (JIRA)" <ji...@apache.org> on 2013/06/02 19:36:20 UTC

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

     [ https://issues.apache.org/jira/browse/MAHOUT-1224?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robin Anil updated MAHOUT-1224:
-------------------------------

    Assignee: Dan Filimon
    
> 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
>
> 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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