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Posted to issues@madlib.apache.org by "Frank McQuillan (JIRA)" <ji...@apache.org> on 2019/02/13 19:06:00 UTC

[jira] [Created] (MADLIB-1301) Improve correlation and covariance memory usage with large number of groups

Frank McQuillan created MADLIB-1301:
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             Summary: Improve correlation and covariance memory usage with large number of groups
                 Key: MADLIB-1301
                 URL: https://issues.apache.org/jira/browse/MADLIB-1301
             Project: Apache MADlib
          Issue Type: Improvement
          Components: Module: Descriptive Statistics
            Reporter: Frank McQuillan
             Fix For: v2.0


When correlation and covariance are run with large number of groups (100's), can run out of memory.  This JIRA is to investigate and improve memory usage with large numbers of groups.



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