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https://issues.apache.org/jira/browse/IMPALA-10631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fucun Chu resolved IMPALA-10631.
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Fix Version/s: Impala 4.0
Resolution: Fixed
> Upgrade DataSketches to version 3.0.0
> -------------------------------------
>
> Key: IMPALA-10631
> URL: https://issues.apache.org/jira/browse/IMPALA-10631
> Project: IMPALA
> Issue Type: New Feature
> Affects Versions: Impala 4.0
> Reporter: Fucun Chu
> Assignee: Fucun Chu
> Priority: Major
> Fix For: Impala 4.0
>
>
> DataSketches v3.0.0 notes
> ??Introduction of new Relative Error Quantiles Sketch,??
> ??Added Tuple sketch and rewritten Theta sketch to share the same base,??
> ??Performance improvement of HLL sketch,??
> ??Removed serialization of Update Theta sketch and Union, and HLL Union,??
> ??Added support for passing instances of allocators??
> First update the Theta sketch serialization interface IMPALA-10632, and then
> update the external DataSketches files CPC/HLL/KLL/Theta to version 3.0.0
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