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Posted to issues@kylin.apache.org by "Zhong Yanghong (JIRA)" <ji...@apache.org> on 2017/08/22 10:38:00 UTC

[jira] [Commented] (KYLIN-2746) Separate filter row count & aggregated row count for metrics collection returned by coprocessor

    [ https://issues.apache.org/jira/browse/KYLIN-2746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16136617#comment-16136617 ] 

Zhong Yanghong commented on KYLIN-2746:
---------------------------------------

Related commit for branch yaho-cube-planner is as follows:
https://github.com/apache/kylin/commit/43eb9d7668ee0486b22dea073d8f12d6857778d7

> Separate filter row count & aggregated row count for metrics collection returned by coprocessor
> -----------------------------------------------------------------------------------------------
>
>                 Key: KYLIN-2746
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2746
>             Project: Kylin
>          Issue Type: Sub-task
>          Components: Storage - HBase
>    Affects Versions: v2.2.0
>            Reporter: Zhong Yanghong
>            Assignee: Zhong Yanghong
>
> Cube Planner used for recommending effective cuboids is based on cost-based algorithm. The aggregated row count plays an important role of the rollup cost from target cuboid to source cuboid. Thus we need to separate filter row count & aggregated row count.



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