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https://issues.apache.org/jira/browse/KYLIN-4818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17257993#comment-17257993
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ASF subversion and git services commented on KYLIN-4818:
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Commit 3d6db494526094c6f7f1134e9fe576d7e0c66307 in kylin's branch
refs/heads/kylin-on-parquet-v2 from Xiaoxiang Yu
[ https://gitbox.apache.org/repos/asf?p=kylin.git;h=3d6db49 ]
KYLIN-4818 Support Cube Planner Phase One in Kylin 4
- Use Spark to calculate cuboid's HllCounter for the first segment
- Re-enable Cube planner by default
- Change default precision from 10 to 14 for HLLCounter
> Calculate cuboid statistics in Kylin 4
> --------------------------------------
>
> Key: KYLIN-4818
> URL: https://issues.apache.org/jira/browse/KYLIN-4818
> Project: Kylin
> Issue Type: Sub-task
> Components: Spark Engine
> Reporter: Xiaoxiang Yu
> Assignee: Xiaoxiang Yu
> Priority: Major
> Fix For: v4.0.0-beta
>
>
> Refer to SparkFactDistinct.java in Kylin 3, I will try to use spark to
> calculate(estimate) rowcount/size for cuboid candidate. Rowcount/size of
> cuboid si the input for cubeplanner phase one and phase two.
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