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Posted to issues@drill.apache.org by "Steven Phillips (JIRA)" <ji...@apache.org> on 2016/03/30 22:56:25 UTC

[jira] [Created] (DRILL-4566) Add TDigest functions for computing median and quantile

Steven Phillips created DRILL-4566:
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             Summary: Add TDigest functions for computing median and quantile
                 Key: DRILL-4566
                 URL: https://issues.apache.org/jira/browse/DRILL-4566
             Project: Apache Drill
          Issue Type: New Feature
            Reporter: Steven Phillips
            Assignee: Steven Phillips


The tdigest library can be used by Drill to compute approximate value and percentiles with using too much memory or spilling to disk, which would be required to compute exactly.



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