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From aaron morton <aa...@thelastpickle.com>
Subject Re: Data aggregation - averages, sums, etc.
Date Tue, 22 May 2012 09:16:09 GMT
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


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