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https://issues.apache.org/jira/browse/CARBONDATA-2325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jacky Li resolved CARBONDATA-2325.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 1.4.0

> Page level uncompress and Query performance improvement for Unsafe No 
> Dictionary
> --------------------------------------------------------------------------------
>
>                 Key: CARBONDATA-2325
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-2325
>             Project: CarbonData
>          Issue Type: Improvement
>            Reporter: kumar vishal
>            Priority: Major
>             Fix For: 1.4.0
>
>          Time Spent: 2h 20m
>  Remaining Estimate: 0h
>
> *Page Level Decoder for query*
> Add page level on demand decoding, in current code, all pages of blocklet is 
> getting uncompressed, because of this memory footprint is too high and 
> causing OOM, Now added code to support page level decoding, one page will be 
> decoding when all the records are processed next page data will be decoded. 
> It will improve query performance for example limit query.
> *Unsafe No Dictionary(Unsafe variable length)*
> Optimized getRow(for Vector processing) And putArray method



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