buoyantio / http-max-rps

A tool for finding the max RPS of an HTTP server or intermediary.

http-max-rps

A tool for finding the max RPS of an HTTP server or intermediary.

http-max-rps will tell you the maximum rps that either an http server or an intermediary can provide as well as the max number of concurrent clients before performance drops. It does this using the Universal Scalability Law.

Flags

Flag	Default	Description
-address	http://localhost:4140	URL of http server or intermediary
-concurrencyLevels	1,5,10,20,30	levels of concurrency to test with
-debug	false	print out some extra information for debugging
-host	<none>	value of Host header to set
-timePerLevel	1s	how much time to spend testing each concurrency level

Further Reading

Coda Hale's blog post explaining the basic concepts Baron Schwartz's excellent and clear book on the subject Neil Gunther, USL inventor, has provided supplemental material