[jira] [Comment Edited] (MAHOUT-1591) Parallel job in recommendation

["Xiaomeng Huang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAHOUT-1591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14058197#comment-14058197 ] 

Xiaomeng Huang edited comment on MAHOUT-1591 at 7/11/14 1:32 AM:
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map-reduce framework will be deprecated. And this improvement is less important.
So close this jira as won't fix.


was (Author: huang xiaomeng):
map-reduce framework will be deprecated. So this feature is less important.

> Parallel job in recommendation
> ------------------------------
>
>                 Key: MAHOUT-1591
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1591
>             Project: Mahout
>          Issue Type: Improvement
>            Reporter: Xiaomeng Huang
>
> Now all job in recommendation are sequential. But some jobs are not depend on the previous job. For example, in PreparePreferenceMatrixJob.java, the input of job itemIDIndex and toUserVectors are same. So they can run concurrently. And so as RowSimilarityJob.java.



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