We're currently using Graphite ( http://techblog.appnexus.com/2011/metrics/ http://techblog.appnexus.com/2011/metrics/ ) and loving it, but using MongoDB is an

We're currently using Graphite ( http://techblog.appnexus.com/2011/metrics/ http://techblog.appnexus.com/2011/metrics/ ) and loving it, but using MongoDB is an interesting spin. I'd love to see some performance benchmarks and see how many datapoints you can pump in and out of Cube. We've been collecting about 1 million metrics every minute on a speedy dual proc / quad core box backed with SSDs for storage.