spark 2.9 benchmark results

spark 2.9 is a java web framework. At concurrency 64 it serves 81 067 requests per second with a P50 latency of 0.76 ms, ranking 223 of 358 overall and 17 of 21 among java frameworks.

Language: java 21
Framework version: 2.9
Website: https://sparkjava.com
Open in the interactive charts: compare spark

All measured metrics for spark 2.9, by concurrency level.
Metric	Concurrency 64	Concurrency 256	Concurrency 512
Requests / second	81 067	74 555	73 532
P50 latency	0.76 ms	3.27 ms	3.25 ms
P75 latency	0.92 ms	3.54 ms	3.50 ms
P90 latency	1.07 ms	3.79 ms	3.76 ms
P99 latency	1.38 ms	4.24 ms	4.23 ms
P99.999 latency	3.40 ms	5.99 ms	5.41 ms
Average latency	0.78 ms	3.15 ms	3.28 ms
Minimum latency	0.09 ms	0.12 ms	0.10 ms
Standard deviation	0.23 ms	0.60 ms	0.39 ms
Total requests	1 216 078	1 118 584	1 103 307
Bytes received	188.98 MB	173.87 MB	171.52 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

Rank

Position of spark on requests per second.
Concurrency	Overall	Among java frameworks
64	223 of 358	17 of 21
256	234 of 358	17 of 21
512	233 of 358	17 of 21

Other java frameworks

Fastest java frameworks at concurrency 64.
#	Framework	Requests / second	P50 latency	P99 latency
1	activej 5.5	178 628	0.34 ms	0.51 ms
2	jooby 4.5	172 183	0.36 ms	0.55 ms
3	rapidoid 5.5	169 271	0.37 ms	0.55 ms
4	vertx 5.1	166 709	0.37 ms	0.60 ms
5	vertx4web 5.1	161 084	0.38 ms	0.62 ms
6	undertow 2.4	159 319	0.39 ms	0.61 ms
7	quarkus 3.37	151 687	0.42 ms	0.67 ms
8	light-4j 2.2	148 711	0.42 ms	0.80 ms
9	restheart 9.7	144 788	0.44 ms	0.67 ms
10	helidon-se 4.5	128 093	0.49 ms	0.73 ms

All 21 java frameworks