Re: [DISCUSSION] Implement file-level Min/Max index for streaming segment

Posted by Liang Chen on Aug 26, 2018; 10:42am
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/DISCUSSION-Implement-file-level-Min-Max-index-for-streaming-segment-tp60016p60369.html

Hi

+1 for this proposal.

Regards
Liang


David CaiQiang wrote

> Hi All,
>     Currently, the filter queries on the streaming table always scan all
> streaming files, even though there are no data in streaming files that
> meet
> the filter conditions.
>     So I try to support file-level min/max index on streaming segment. It
> helps to reduce the task number and improve the performance of filter scan
> in some cases.
>     Please check the document in JIRA:  
> https://issues.apache.org/jira/browse/CARBONDATA-2853
> <https://issues.apache.org/jira/browse/CARBONDATA-2853> 
>     Any question, suggestion?
>
>
>
> -----
> Best Regards
> David Cai
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