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.

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Comments
  • Add in-terminal line graph representing the benchmark result

    Add in-terminal line graph representing the benchmark result

    In addition to the current statistics provided by bench.py, it would be useful to track the performance over time. E.g., maybe the roundtrip latency grows or shrinks rather than remaining static.

    A terminal line chart or graph, printed at the end of a benchmark, would accomplish this.

    help wanted good first issue hacktoberfest 
    opened by healeycodes 0
Owner
Andrew Healey
Software engineer / writer
Andrew Healey
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