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Basic Benchmark: CouchDB vs MongoDB vs MySQL

my benchmark script ☞, couchdb is 5x(read)~10x(write) slower than mongodb :(

I think the conclusion is wrong as it is based on comparing the real-time figures (wall time elapsed between invocation and termination). I’d say comparing total times (user + sys) would be more correct.


Update: @codemonkeyism has pointed out yet another reason for this benchmark being wrong: “As far as I know CouchDB data is durable, but MongoDB is primarily memory and then stored and corruptable - are those comparable?”.