[jira] [Resolved] (KYLIN-2727) Introduce cube planner able to select cost-effective cuboids to be built by cost-based algorithms

["Zhong Yanghong (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KYLIN-2727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhong Yanghong resolved KYLIN-2727.
-----------------------------------
    Resolution: Resolved

> Introduce cube planner able to select cost-effective cuboids to be built by cost-based algorithms
> -------------------------------------------------------------------------------------------------
>
>                 Key: KYLIN-2727
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2727
>             Project: Kylin
>          Issue Type: New Feature
>            Reporter: Zhong Yanghong
>            Assignee: Zhong Yanghong
>             Fix For: v2.3.0
>
>
> There're several disadvantages to create partial cubes only based on static rules:
> * To learn the concept of these rules will bring extra burden to cube admins
> * To achieve a goal cuboid set may need a very complicated set of static rules
> * Cube designers may be not familiar with business related query patterns, resulting in few static rules able to applied
> * Static rules created at first may not correct or user query patterns are changing dynamically
> The goal of cube planner is to reduce effort for cube admins to design an effective partial cube. It owns the following advantages:
> * No sophisticated combination of static rules is needed
> * Allow more dimensions to be included with few static rules
> * Able to adjust a non-cost-effective cuboid set to a cost-effective one based on historical queries



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