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https://issues.apache.org/jira/browse/KYLIN-4818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17257992#comment-17257992
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ASF subversion and git services commented on KYLIN-4818:
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Commit a6f78cd53b951acf3ec966fa537dae3f2b82fd1e in kylin's branch
refs/heads/kylin-on-parquet-v2 from Xiaoxiang Yu
[ https://gitbox.apache.org/repos/asf?p=kylin.git;h=a6f78cd ]
KYLIN-4818 Calculate cuboid rowcount via HLL
> 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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