Count used and neglected elements in MaybePruneRowsMapper
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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
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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