Knowledge Base
Load Generators

Load Generators

HttpArena uses three load generators, one per protocol version.

HTTP/1.1
gcannon — custom io_uring-based load generator for maximum HTTP/1.1 throughput.
HTTP/2
h2load — nghttp2’s load generator with TLS and stream multiplexing.
HTTP/3
oha — HTTP load generator with QUIC support for HTTP/3 benchmarks.