Continuous computation is the sort of thing Storm 
(https://github.com/nathanmarz/storm) can help with. 

And good news everybody, storing the output from Storm is the sort of thing 
Cassandra can help with http://www.youtube.com/watch?v=cF8a_FZwULI

Cheers

-----------------
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com

On 20/05/2012, at 6:17 AM, Janne Jalkanen wrote:

>> 2. I know I have counter columns. I can do sums. But can I do averages ?
> 
> One counter column for the sum, one counter column for the count. Divide for 
> average :-)
> 
> /Janne

Reply via email to