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Posted to dev@mahout.apache.org by "Suneel Marthi (JIRA)" <ji...@apache.org> on 2013/07/27 06:19:49 UTC
[jira] [Closed] (MAHOUT-1218) Streamimg k-means fails when the
number of clusters specified is <= estimated map clusters
[ https://issues.apache.org/jira/browse/MAHOUT-1218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Suneel Marthi closed MAHOUT-1218.
---------------------------------
> Streamimg k-means fails when the number of clusters specified is <= estimated map clusters
> ------------------------------------------------------------------------------------------
>
> Key: MAHOUT-1218
> URL: https://issues.apache.org/jira/browse/MAHOUT-1218
> Project: Mahout
> Issue Type: Bug
> Components: Clustering
> Affects Versions: 0.8
> Reporter: Suneel Marthi
> Assignee: Suneel Marthi
> Fix For: 0.8
>
>
> Running Streaming k-means with CosineDistanceMeasure, Fast Projection Search, number of clusters k= 60, number of estimated map clsuters -km = 60.
> {Code}
> Exception in thread "main" java.lang.IllegalArgumentException: Invalid number of estimated map clusters; There must be more than the final number of clusters (k log n vs k)
> at com.google.common.base.Preconditions.checkArgument(Preconditions.java:92)
> at org.apache.mahout.clustering.streaming.mapreduce.StreamingKMeansDriver.configureOptionsForWorkers(StreamingKMeansDriver.java:327)
> at org.apache.mahout.clustering.streaming.mapreduce.StreamingKMeansDriver.configureOptionsForWorkers(StreamingKMeansDriver.java:280)
> at org.apache.mahout.clustering.streaming.mapreduce.StreamingKMeansDriver.run(StreamingKMeansDriver.java:227)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
> at org.apache.mahout.clustering.streaming.mapreduce.StreamingKMeansDriver.main(StreamingKMeansDriver.java:472)
> {Code}
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