On Mon, Jul 12, 2010 at 11:44 PM, Benjamin Black <b...@b3k.us> wrote: > We use Cassandra (multidimensional metrics) *and* redis (counters and > alerts) *and* MySQL (supporting Rails). Right tool for each job. The > idea that it is a good thing to cram everything into a single database > (and data model), beaten into everyone by years of relational database > marketing, is not true now and never really was. Embrace diversity!
As I'm sure you know more than most, every component in production has an operational cost, and therefore each should be justifiable. Paul