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Jake Mannix commented on MAHOUT-350: ------------------------------------ Don't the jobs which implement Tool allow for hadoop options to be passed in, so -Dmapred.reduce.tasks=10 should work? > 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. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.