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https://issues.apache.org/jira/browse/MAHOUT-350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12852471#action_12852471
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Sean Owen commented on MAHOUT-350:
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Yes it should move to common. I suppose I hadn't wanted to be presumptuous and
do that without some support, but sounds like this has some consensus.
I also committed a naming change. If a custom name is set (mapred.job.name), it
will add to that "-MapperClass-ReducerClass". The custom name uniquely
identifies the job, really, and then the suffix identifies what part of that
job is happening.
> add one "JobName" and reduceNumber parameter to
> org.apache.mahout.cf.taste.hadoop.item.RecommenderJob
> ------------------------------------------------------------------------------------------------------
>
> Key: MAHOUT-350
> URL: https://issues.apache.org/jira/browse/MAHOUT-350
> Project: Mahout
> Issue Type: Improvement
> Components: Collaborative Filtering
> Affects Versions: 0.4
> Reporter: Hui Wen Han
> Priority: Minor
> Attachments: screenshot-1.jpg
>
>
> Can add one "JobName" parameter to
> org.apache.mahout.cf.taste.hadoop.item.RecommenderJob?
> if there's a lot of RecommenderJob,it's hard to distinguish those jobs.
> also RecommenderJob has four sub jobs (or phase ) ,can add sub-job name to
> those phase ?
> Because RecommenderJob has not setNumReduceTasks ,it seems that the
> performance is not good in reduce phase.
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