servant benchmark results
servant 0.20 is a haskell web framework. At concurrency 64 it serves 63 936 requests per second with a P50 latency of 0.99 ms, ranking 213 of 383 overall and 2 of 2 among haskell frameworks.
- Language: haskell 9.14
- Framework version: 0.20
- Website: https://docs.servant.dev
- Compare servant →
Throughput, latency & reliability
| Metric | Concurrency 64 | Concurrency 256 | Concurrency 512 |
|---|---|---|---|
| Requests / second | 63 936 | 57 378 | 56 188 |
| P50 latency | 0.99 ms | 4.39 ms | 8.87 ms |
| P75 latency | 1.01 ms | 4.44 ms | 9.10 ms |
| P90 latency | 1.03 ms | 4.55 ms | 10.11 ms |
| P99 latency | 1.23 ms | 5.41 ms | 10.77 ms |
| P99.999 latency | 3.15 ms | 78.98 ms | 817.58 ms |
| Average latency | 1.00 ms | 4.46 ms | 9.10 ms |
| Minimum latency | 0.18 ms | 0.09 ms | 0.06 ms |
| Standard deviation | 0.12 ms | 1.90 ms | 12.69 ms |
| Total requests | 959 069 | 860 756 | 842 985 |
| Bytes received | 139.80 MB | 125.49 MB | 122.89 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
| Concurrency | Overall | Among haskell frameworks |
|---|---|---|
| 64 | 213 of 383 | 2 of 2 |
| 256 | 220 of 383 | 2 of 2 |
| 512 | 224 of 383 | 2 of 2 |
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[](https://web-frameworks-benchmark.vercel.app/frameworks/haskell/servant/)Explore haskell frameworks
| # | Framework | Requests / second | P50 latency | P99 latency | HTTP errors |
|---|---|---|---|---|---|
| 1 | scotty 0.22 | 115 581 | 0.38 ms | 1.40 ms | 0 |