Re: carbon data performance doubts

Posted by Swapnil Shinde on Jul 23, 2017; 2:55am
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/carbon-data-performance-doubts-tp18438p18688.html

Thank you, Liang. I couldn't find this property "sort_columns" in
documentation. It will be good to have it there.

-
Swapnil

On Fri, Jul 21, 2017 at 9:31 PM, Liang Chen <[hidden email]> wrote:

>
> Hi
>
> Some more info :
> In release 1.1.1, there was a good improvement "measure filter
> optimization",  system will use minmax index to do filter for measure
> column filter.
>
> So for INT column to get good filter: one way you can add the INT column to
> sort_columns, another way, system will automatically use the INT column's
> minmax index to do get good filter.
>
> Regards
> Liang
>
>
>
> --
> View this message in context: http://apache-carbondata-dev-
> mailing-list-archive.1130556.n5.nabble.com/carbon-data-performance-doubts-
> tp18438p18662.html
> Sent from the Apache CarbonData Dev Mailing List archive mailing list
> archive at Nabble.com.
>