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https://issues.apache.org/jira/browse/MAHOUT-1352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13820479#comment-13820479
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Sebastian Schelter commented on MAHOUT-1352:
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Yes, it uses Hadoop 1.2.1
> Option to change RecommenderJob output format
> ---------------------------------------------
>
> Key: MAHOUT-1352
> URL: https://issues.apache.org/jira/browse/MAHOUT-1352
> Project: Mahout
> Issue Type: New Feature
> Components: Collaborative Filtering
> Affects Versions: 0.9
> Reporter: Pat Ferrel
> Assignee: Sebastian Schelter
> Fix For: 0.9
>
>
> Can we add an option to output a SequenceFile? I hard coded it to allow the
> Solr-recommender to work with the output file but it is probably best put in
> an option.
> //extract out the recommendations
> Job aggregateAndRecommend = prepareJob(
> new Path(aggregateAndRecommendInput), outputPath,
> SequenceFileInputFormat.class,
> PartialMultiplyMapper.class, VarLongWritable.class,
> PrefAndSimilarityColumnWritable.class,
> AggregateAndRecommendReducer.class, VarLongWritable.class,
> RecommendedItemsWritable.class,
> SequenceFileOutputFormat.class); <-- text format in Mahout trunk
> Should be able to choose format class from the params.
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