HTTP server benchmarks

• HTTP over unix domain socket
• POST JSON
• Request validation
• SQLite transaction

Results

Apple M1 Pro, running everything on the same machine

oha http://localhost/posts --no-tui --unix-socket /tmp/benchmark.sock -z 10s -m POST -T 'application/json' -d '{ "content": "oha benchmark", "email": "[email protected]" }'

Framework	RPS	p50 latency
Kotlin Vert.x SQLite Panama	53K	0.9ms
Rust Actix-Web	51K	0.9ms
C# ASP.NET Core	45K	1ms
Zig http.zig	43K	1ms
Go FastHTTP	43K	1.1ms
Kotlin Vert.x SQLite JNI	40K	1.1ms
JS Bun Hono	21K	1.9ms
Python Blacksheep	19K	2.5ms
Elixir Bandit	10K	4.9ms

Won't do

• Kotlin Native Ktor: can't listen on unix domain sockets

Bonus

HTTP POST JSON echo

oha http://localhost/echo --no-tui --unix-socket /tmp/benchmark.sock -z 10s -m POST -T 'application/json' -d '{ "content": "oha benchmark", "email": "[email protected]" }'

Framework	RPS	p50 latency
Rust Actix-Web	266K	0.2ms
Zig http.zig	264K	0.2ms
Kotlin Vert.x	247K	0.2ms
Go FastHTTP	199K	0.2ms
Python Blacksheep	192K	0.2ms
C# ASP.NET Core	190K	0.3ms
JS Bun Hono	156K	0.3ms
Elixir Bandit	139K	0.3ms