I'm interested in hearing what the author's new storage system is. What would be compelling is to hear if the same hardware and storage with the new storage sys

I'm interested in hearing what the author's new storage system is. What would be compelling is to hear if the same hardware and storage with the new storage system performed better than mongo with some semblance of concrete metrics. There are a lot of complaints here about mongo -- all of them not new -- but no hard numbers.