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Comment by rattray

TIL about Falcon, which can power any rack app, including Rails: https://socketry.github.io/falcon/index.html

TIL also that in Rails v5+, `config.allow_concurrency` is enabled by default, so Falcon works with it out of the box. Neat.

Looks like Falcon's [benchmarks](https://github.com/socketry/falcon-benchmark#results) show 250+ concurrent connections serve with an order of magnitude less latency and 2-3x the RPS of puma or passenger, and >10x that of unicorn.

Seems worth a look for anyone running Ruby in prod with really any concurrent traffic.

parent rattray 5 years ago

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