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Posted to dev@mahout.apache.org by "tom pierce (Created) (JIRA)" <ji...@apache.org> on 2011/11/14 19:24:51 UTC
[jira] [Created] (MAHOUT-885) Freq pattern growth advertises wrong
value for default
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
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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[jira] [Updated] (MAHOUT-885) Freq pattern growth advertises wrong
value for default
Posted by "Sean Owen (Updated) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/MAHOUT-885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen updated MAHOUT-885:
-----------------------------
Resolution: Fixed
Fix Version/s: 0.6
Assignee: Sean Owen
Status: Resolved (was: Patch Available)
Good one, I've committed it.
> 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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[jira] [Updated] (MAHOUT-885) Freq pattern growth advertises wrong
value for default
Posted by "tom pierce (Updated) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/MAHOUT-885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
tom pierce updated MAHOUT-885:
------------------------------
Attachment: MAHOUT-885.patch
> 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
> Labels: patch
> 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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[jira] [Updated] (MAHOUT-885) Freq pattern growth advertises wrong
value for default
Posted by "tom pierce (Updated) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/MAHOUT-885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
tom pierce updated MAHOUT-885:
------------------------------
Labels: patch (was: )
Status: Patch Available (was: Open)
Changes the default to be 1000, generate default message using same static var as used for default, adjust default to be "1000 or at least number of reducers".
> 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
> Labels: patch
> 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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[jira] [Commented] (MAHOUT-885) Freq pattern growth advertises
wrong value for default
Posted by "Hudson (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/MAHOUT-885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13150226#comment-13150226 ]
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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