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https://issues.apache.org/jira/browse/MAHOUT-607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12990644#comment-12990644
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Sebastian Schelter commented on MAHOUT-607:
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I had it named "Counters" too, but when I looked into MinHashReducer I saw that
a more descriptive enum name was used there. Maybe we can agree on some
convention?
> Count used and neglected elements in MaybePruneRowsMapper
> ---------------------------------------------------------
>
> Key: MAHOUT-607
> URL: https://issues.apache.org/jira/browse/MAHOUT-607
> Project: Mahout
> Issue Type: Improvement
> Components: Collaborative Filtering
> Affects Versions: 0.4
> Reporter: Sebastian Schelter
> Assignee: Sean Owen
> Priority: Minor
> Fix For: 0.5
>
> Attachments: MAHOUT-607.patch
>
>
> MaybePruneRowsMapper is used to prune the overall number of
> preferences/ratings our distributed recommender looks at. The patch adds
> counters to the code so we can see the number of used and neglected
> preferences in the jobtracker.
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