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
> 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
Dear distinguished colleagues:
I am trying to come up with a data model that lets me do aggregations, such
as sums and averages.
Here are my requirements:
1. Data may be updated concurrently
2. I want to avoid changing schema; we have a multitennant cloud solution
that is driven by configuration
