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https://issues.apache.org/jira/browse/MAHOUT-99?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12683077#action_12683077
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Grant Ingersoll commented on MAHOUT-99:
---------------------------------------
Yeah, what version of Hadoop are you running? I got it w/ 0.19.1, but maybe I
didn't set something up right.
{code}
bin/hadoop jar
~/projects/lucene/mahout/mahout-clean/examples/target/mahout-examples-0.2-SNAPSHOT.job
org.apache.mahout.clustering.syntheticcontrol.kmeans.Job
{code}
> 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
>
>
> 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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