Bombardier (cross-platform)
https://github.com/codesenberg/bombardier
> bombardier -c 125 -n 10000000 http://localhost:8080/api/view Bombarding http://localhost:8080 with 10000000 requests using 125 connections 10000000 / 10000000 [============================================] 100.00% 37s Done! Statistics Avg Stdev Max Reqs/sec 264560.00 10733.06 268434 Latency 471.00us 522.34us 51.00ms HTTP codes: 1xx - 0, 2xx - 10000000, 3xx - 0, 4xx - 0, 5xx - 0 others - 0 Throughput: 292.92MB/s
Other options:
https://gist.github.com/denji/8333630
252400cookie-checkHTTP benchmarking