Benchmark a WebSocket server's message throughput ⌛

Overview

Build Status

📻 WebSocket Benchmarker

Message throughput is how fast a WebSocket server can parse and respond to a message. Some people consider this to be a good reference of a framework/library/server's performance. This tool measures the message throughput under load by mocking concurrent clients.




2019.01.26

Now with 100% more bleeding edge asyncio goodness.



Installation

Python 3.6.5+.

pip install -r requirements.txt


Usage

This program expects the host to be an echo server and measures the time between sending a message and recieving the same message back from the host. It performs this for a number of client connections simultaneously and is designed to produce repeatable results.

python bench.py will launch the benchmark and print statistics to stdout. If the log file path is to a non-file then one will be created otherwise results will be appended to the existing file.

The raw results are in CSV format with each line representing a client's roundtrip times.

E.g., 0.1, 0.1, 0.1 for one client performing three roundtrips.


Arg Description Default
--h Host address of WebSocket server localhost:3000
--n Number of clients to create 1000
--c Number of concurrent clients 64
--r Roundtrips per client 5
--s Message size in characters 30
--l Path to create or append to a log file ./log.txt

Tests

Full end-to-end testing via unittest.

python -m unittest
...
----------------------------------------------------------------------
Ran 3 tests in 8.371s

OK

License

MIT (c) 2019 healeycodes.

Inspiration taken from the unmaintained JavaScript project websocket-benchmark.

Owner
Andrew Healey
Software engineer / writer
Andrew Healey
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