High-speed cables for Ruby
summary
Title indicates the topic but specifics sell it: Action Cable shows linear latency growth — benchmarks hit ~10s delivery with 10,000 clients and huge memory per connection — real site equipe.com cuts Heroku dynos by 5 and memory by 10GB after switching. Replacing the WebSocket server with AnyCable (Go or Erlang) yields Go-like throughput and low RAM, enables zero-disconnect deploys, and a mruby-in-Go experiment for executing simple channel logic is promising but still crashes.
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