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https://issues.apache.org/jira/browse/MAHOUT-99?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pallavi Palleti updated MAHOUT-99:
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Attachment: MAHOUT-99.patch
I have fixed sequencefile issue. Modified code SequenceFile where ever
possible. And also, with the new KMeansClusterMapper, we don't need
outputMapper code in Job.java in SyntheticControl. So, I commented that.
Thanks
Pallavi
> Improving speed of KMeans
> -------------------------
>
> Key: MAHOUT-99
> URL: https://issues.apache.org/jira/browse/MAHOUT-99
> Project: Mahout
> Issue Type: Improvement
> Components: Clustering
> Reporter: Pallavi Palleti
> Assignee: Grant Ingersoll
> Fix For: 0.1
>
> Attachments: MAHOUT-99-1.patch, MAHOUT-99.patch, Mahout-99.patch,
> MAHOUT-99.patch
>
>
> Improved the speed of KMeans by passing only cluster ID from mapper to
> reducer. Previously, whole Cluster Info as formatted s`tring was being sent.
> Also removed the implicit assumption of Combiner runs only once approach and
> the code is modified accordingly so that it won't create a bug when combiner
> runs zero or more than once.
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