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https://issues.apache.org/jira/browse/MAHOUT-885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13150226#comment-13150226
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Hudson commented on MAHOUT-885:
-------------------------------
Integrated in Mahout-Quality #1177 (See
[https://builds.apache.org/job/Mahout-Quality/1177/])
MAHOUT-885 correct, set FPGrowth default number of reducers to 1000
srowen : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1201911
Files :
* /mahout/trunk/core/src/main/java/org/apache/mahout/common/Parameters.java
*
/mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/FPGrowthDriver.java
*
/mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowth.java
> Freq pattern growth advertises wrong value for default
> ------------------------------------------------------
>
> Key: MAHOUT-885
> URL: https://issues.apache.org/jira/browse/MAHOUT-885
> Project: Mahout
> Issue Type: Bug
> Components: Frequent Itemset/Association Rule Mining
> Affects Versions: 0.6
> Reporter: tom pierce
> Assignee: Sean Owen
> Labels: patch
> Fix For: 0.6
>
> Attachments: MAHOUT-885.patch
>
>
> FPG advertises that numgroups will default to 1000, but it actually uses 50.
> If you do not override the default, only 50 reducers get work even if you
> have many more.
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