HTTP server & framework benchmarks

zio-http benchmark results

zio-http 3.11 is a scala web framework. At concurrency 64 it serves 108 419 requests per second with a P50 latency of 1509.55 ms, ranking 93 of 387 overall and 1 of 5 among scala frameworks.

Language: scala 3.9
Framework version: 3.11
Website: https://zio.dev/zio-http
Compare zio-http →

Throughput, latency & reliability

All measured metrics for zio-http 3.11, by concurrency level.
Metric	Concurrency 64	Concurrency 256	Concurrency 512
Requests / second	108 419	93 517	92 587
P50 latency	1509.55 ms	1798.31 ms	1038.34 ms
P75 latency	3317.42 ms	3702.44 ms	2507.09 ms
P90 latency	4567.72 ms	4993.71 ms	3359.06 ms
P99 latency	5386.92 ms	5866.15 ms	4644.18 ms
P99.999 latency	5703.68 ms	5990.40 ms	8992.77 ms
Average latency	1897.83 ms	2149.84 ms	1405.81 ms
Minimum latency	0.04 ms	0.04 ms	0.04 ms
Standard deviation	1718.59 ms	1859.97 ms	1346.41 ms
Total requests	1 518 384	1 352 344	1 331 069
Bytes received	121.44 MB	108.11 MB	106.51 MB
HTTP errors	0	0	0
Request timeouts	0	0	0
Socket connection errors	0	0	0
Socket read errors	0	0	0
Socket write errors	0	0	0

Position in this benchmark

Position of zio-http on requests per second.
Concurrency	Overall	Among scala frameworks
64	93 of 387	1 of 5
256	100 of 387	1 of 5
512	98 of 387	1 of 5

Explore scala frameworks

Fastest scala frameworks at concurrency 64.
#	Framework	Requests / second	P50 latency	P99 latency
2	cask 0.11	103 966	1766.57 ms	5748.74 ms
3	pekkohttp 1.7	87 643	2147.50 ms	6472.36 ms
4	play 3.0	74 628	2414.93 ms	6981.63 ms
5	http4s 0.23	66 705	2763.09 ms	7437.65 ms

All 5 scala frameworks