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Posted to dev@drill.apache.org by Arun Ramakrishnan <si...@gmail.com> on 2012/10/24 22:52:00 UTC

metamarkets druid

Interestingly Metamarkets also decided to open source its Druid today :-)

http://gigaom.com/data/metamarkets-open-sources-druid-its-in-memory-database/

related link on druids storage
format<http://metamarkets.com/2012/druid-bitmap-compression/>

Re: metamarkets druid

Posted by Asaf Mesika <as...@gmail.com>.

Is it jus the late hour or they are not using any code generation for their query execution engine?
The GroupBy execution for instance looks quite complex, and doesn't look very efficient, since it was written generically,

On 24 באוק 2012, at 22:52, Arun Ramakrishnan <si...@gmail.com> wrote:

> Interestingly Metamarkets also decided to open source its Druid today :-)
> 
> http://gigaom.com/data/metamarkets-open-sources-druid-its-in-memory-database/
> 
> related link on druids storage
> format<http://metamarkets.com/2012/druid-bitmap-compression/>