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Posted to issues-all@impala.apache.org by "Gabor Kaszab (Jira)" <ji...@apache.org> on 2020/06/23 13:14:00 UTC
[jira] [Assigned] (IMPALA-9594) Implement percentile function
(DataSketches/KLL)
[ https://issues.apache.org/jira/browse/IMPALA-9594?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gabor Kaszab reassigned IMPALA-9594:
------------------------------------
Assignee: Gabor Kaszab
Issue Type: Epic (was: New Feature)
> Implement percentile function (DataSketches/KLL)
> ------------------------------------------------
>
> Key: IMPALA-9594
> URL: https://issues.apache.org/jira/browse/IMPALA-9594
> Project: IMPALA
> Issue Type: Epic
> Components: Backend
> Reporter: Boglarka Egyed
> Assignee: Gabor Kaszab
> Priority: Major
>
> Implement the KLL percentile function from the DataSketches library in C++.
> General info about the sketch:
> http://datasketches.apache.org/docs/Quantiles/KLLSketch.html
> C++ implementation to wrap:
> https://github.com/apache/incubator-datasketches-cpp/tree/master/kll
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