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https://issues.apache.org/jira/browse/KYLIN-3453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chao Long updated KYLIN-3453:
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Attachment: (was: image-2018-07-24-15-56-01-150.png)
> Improve cube size estimation for TOPN, COUNT DISTINCT
> -----------------------------------------------------
>
> Key: KYLIN-3453
> URL: https://issues.apache.org/jira/browse/KYLIN-3453
> Project: Kylin
> Issue Type: Improvement
> Reporter: Chao Long
> Assignee: Chao Long
> Priority: Major
> Fix For: v2.5.0
>
>
> Currently, Kylin has poor cube size estimation for TOPN, COUNT DISTINCT. We
> should improve it, then we can get a reasonable split num when cube building.
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