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From "leoluan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CARBONDATA-1014) Refactor on data loading and encoding override
Date Wed, 17 Jan 2018 03:00:00 GMT

    [ https://issues.apache.org/jira/browse/CARBONDATA-1014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16328205#comment-16328205
] 

leoluan commented on CARBONDATA-1014:
-------------------------------------

Hi,

Can you please upload a design doc?  thanks

> Refactor on data loading and encoding override
> ----------------------------------------------
>
>                 Key: CARBONDATA-1014
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-1014
>             Project: CarbonData
>          Issue Type: Improvement
>            Reporter: Jacky Li
>            Priority: Major
>             Fix For: 1.3.0
>
>
> Refactor on current data loading flow to make it:
> 1. Use vectorized processing as early as possible
> 2. Make index build (sorting) CPU cache efficient, by using rowId and key column vector
to sort
> 3. Open interface for format extension, including column encoding, compression, statistics.
> Design doc will be posted in this JIRA soon.



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