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https://issues.apache.org/jira/browse/KYLIN-2387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dayue Gao updated KYLIN-2387:
-----------------------------
    Description: 
We found the old BitmapCounter does not perform very well on very large bitmap. 
The inefficiency 
* 

> A new BitmapCounter with better performance
> -------------------------------------------
>
>                 Key: KYLIN-2387
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2387
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Metadata, Query Engine, Storage - HBase
>    Affects Versions: v2.0.0
>            Reporter: Dayue Gao
>            Assignee: Dayue Gao
>
> We found the old BitmapCounter does not perform very well on very large 
> bitmap. The inefficiency 
> * 



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