muratyaman/demo-python-starlette

Demo HTTP server using Python and Starlette

demo-python-starlette

Demo HTTP server using Python, Starlette and Uvicorn

installation

pip3 install uvicorn
pip3 install starlette

execution

uvicorn main:app --no-access-log

references

Python

"Python is a programming language that lets you work quickly and integrate systems more effectively."

https://www.python.org/

Starlette

"Starlette is a lightweight ASGI framework/toolkit, which is ideal for building high performance asyncio services."

https://www.starlette.io/

Uvicorn

"Uvicorn is a lightning-fast ASGI server, built on uvloop and httptools."

http://www.uvicorn.org/

benchmark

Install autocannon.

https://github.com/mcollina/autocannon

npm i -g autocannon

Run autocannon using 10 connections for 60 seconds.

autocannon -c 10 -d 60 http://127.0.0.1:8000

A. Plain text responses

Output:

Running 60s test @ http://127.0.0.1:8000
10 connections

┌─────────┬──────┬──────┬───────┬──────┬─────────┬─────────┬──────────┐
│ Stat    │ 2.5% │ 50%  │ 97.5% │ 99%  │ Avg     │ Stdev   │ Max      │
├─────────┼──────┼──────┼───────┼──────┼─────────┼─────────┼──────────┤
│ Latency │ 0 ms │ 0 ms │ 0 ms  │ 1 ms │ 0.03 ms │ 0.21 ms │ 10.26 ms │
└─────────┴──────┴──────┴───────┴──────┴─────────┴─────────┴──────────┘
┌───────────┬─────────┬─────────┬─────────┬─────────┬─────────┬─────────┬─────────┐
│ Stat      │ 1%      │ 2.5%    │ 50%     │ 97.5%   │ Avg     │ Stdev   │ Min     │
├───────────┼─────────┼─────────┼─────────┼─────────┼─────────┼─────────┼─────────┤
│ Req/Sec   │ 10487   │ 11303   │ 16399   │ 16607   │ 15856   │ 1337.76 │ 10484   │
├───────────┼─────────┼─────────┼─────────┼─────────┼─────────┼─────────┼─────────┤
│ Bytes/Sec │ 1.54 MB │ 1.66 MB │ 2.41 MB │ 2.44 MB │ 2.33 MB │ 197 kB  │ 1.54 MB │
└───────────┴─────────┴─────────┴─────────┴─────────┴─────────┴─────────┴─────────┘

Req/Bytes counts sampled once per second.

951k requests in 60.05s, 140 MB read

B. JSON responses

Output:

Running 60s test @ http://127.0.0.1:8000
10 connections

┌─────────┬──────┬──────┬───────┬──────┬─────────┬─────────┬──────────┐
│ Stat    │ 2.5% │ 50%  │ 97.5% │ 99%  │ Avg     │ Stdev   │ Max      │
├─────────┼──────┼──────┼───────┼──────┼─────────┼─────────┼──────────┤
│ Latency │ 0 ms │ 0 ms │ 1 ms  │ 1 ms │ 0.08 ms │ 0.27 ms │ 10.61 ms │
└─────────┴──────┴──────┴───────┴──────┴─────────┴─────────┴──────────┘
┌───────────┬─────────┬─────────┬─────────┬─────────┬──────────┬─────────┬─────────┐
│ Stat      │ 1%      │ 2.5%    │ 50%     │ 97.5%   │ Avg      │ Stdev   │ Min     │
├───────────┼─────────┼─────────┼─────────┼─────────┼──────────┼─────────┼─────────┤
│ Req/Sec   │ 9575    │ 10151   │ 10447   │ 10519   │ 10414.94 │ 133.8   │ 9575    │
├───────────┼─────────┼─────────┼─────────┼─────────┼──────────┼─────────┼─────────┤
│ Bytes/Sec │ 1.69 MB │ 1.79 MB │ 1.84 MB │ 1.85 MB │ 1.83 MB  │ 23.5 kB │ 1.69 MB │
└───────────┴─────────┴─────────┴─────────┴─────────┴──────────┴─────────┴─────────┘

Req/Bytes counts sampled once per second.

625k requests in 60.04s, 110 MB read