I've been on the fence about trying this on Instrumental; we've been looking at moving to DynamoDB, but I wanted to at least see if it would give drop-in magic performance benefits, so I spun off a new SQS queue of our incoming data this evening and did a write throughput test. These are only initial impressions, but: * It's definitely faster. Our write behavior is largely upserts against integers and doubles, and I'…
Have you tried ObjectRocket (if you're in US-East or US-West)? http://objectrocket.com/ High performance Mongo with replica sets.