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https://issues.apache.org/jira/browse/MAHOUT-2013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16170282#comment-16170282
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Andrew Musselman commented on MAHOUT-2013:
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We can't support v0.7 any more; could you upgrade to the latest and see if 
you're still having trouble?

> out of memory issue
> -------------------
>
>                 Key: MAHOUT-2013
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-2013
>             Project: Mahout
>          Issue Type: Bug
>          Components: Collaborative Filtering
>    Affects Versions: 0.12.2
>         Environment: NetBeans 8.2
>            Reporter: Ugur Ilker
>            Priority: Minor
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> I have been implementing SVD++ recommender system and slope-one recommender 
> (with Mahout 0.7) with Movielens 10 Million dataset. I have set the training 
> set rate as 0.8. I got out-of-memory errors. I have checked Java Heap size as 
> well. I wonder if it is about the algorithms itself.



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