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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-1160) Fix memory estimation in MemoryEstimatorOrcal
Date Thu, 21 Sep 2017 14:37:00 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-1160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16174863#comment-16174863
] 

ASF GitHub Bot commented on GIRAPH-1160:
----------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/giraph/pull/49


> Fix memory estimation in MemoryEstimatorOrcal
> ---------------------------------------------
>
>                 Key: GIRAPH-1160
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-1160
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Dionysios Logothetis
>
> Method MemoryEstimatorOracle.calculateRegression() exits if the number of valid columns
to use for the regression is not the same as the total number of columns. This is wrong, the
regression can run on only the valid columns. This causes the memory estimation to be very
off.



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