How much faster is Redis than mongoDB?

Question

It\'s widely mentioned that Redis is \"Blazing Fast\" and mongoDB is fast too. But, I\'m having trouble finding actual numbers comparing the results of the two. Given simila

Answer 1

Here is an excellent article about session performance in the Tornado framework about 1 year old. It has a comparison between a few different implementations, of which Redis and MongoDB are included. The graph in the article states that Redis is behind MongoDB by about 10% in this specific use case.

Redis comes with a built in benchmark that will analyze the performance of the machine you are on. There is a ton of raw data from it at the Benchmark wiki for Redis. But you might have to look around a bit for Mongo. Like here, here, and some random polish numbers (but it gives you a starting point for running some MongoDB benchmarks yourself).

I believe the best solution to this problem is to perform the tests yourself in the types of situations you expect.