[jira] [Commented] (KYLIN-4818) Calculate cuboid statistics in Kylin 4

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KYLIN-4818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17242114#comment-17242114 ] 

ASF GitHub Bot commented on KYLIN-4818:
---------------------------------------

hit-lacus commented on pull request #1485:
URL: https://github.com/apache/kylin/pull/1485#issuecomment-737050880


   ##Test result
   
   //TODO


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> 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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