The title is a bit rich coming from MongoDB which appears to have gained most of its initial popularity from very biased benchmarks. (I recall a number that did

The title is a bit rich coming from MongoDB which appears to have gained most of its initial popularity from very biased benchmarks. (I recall a number that didn't even wait for the server to ack before considering a write a success. They were basically benchmarking the client library.) However their analysis does seem fair that this benchmark was very biased.