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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAHOUT-1922) DSPCA Propagates cache hint
Date Tue, 07 Feb 2017 04:00:43 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-1922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15855270#comment-15855270
] 

ASF GitHub Bot commented on MAHOUT-1922:
----------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/mahout/pull/275


> DSPCA Propagates cache hint
> ---------------------------
>
>                 Key: MAHOUT-1922
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1922
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Math
>    Affects Versions: 0.13.0
>            Reporter: Trevor Grant
>            Assignee: Trevor Grant
>            Priority: Minor
>              Labels: beginner
>             Fix For: 0.13.0
>
>
> The DSPCA does lots of check pointing, but currently only the default checkpoint cacheHint
is given.
> The user should be able to pass a checkpointing hint as this can lead to dramatic performance
issues in some cases.
> https://github.com/apache/mahout/blob/master/math-scala/src/main/scala/org/apache/mahout/math/decompositions/DSPCA.scala



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