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Posted to dev@kylin.apache.org by "Xiaoxiang Yu (Jira)" <ji...@apache.org> on 2020/11/13 07:39:00 UTC

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

Xiaoxiang Yu created KYLIN-4818:
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             Summary: 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
             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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