42 lines
1.9 KiB
Ruby
42 lines
1.9 KiB
Ruby
# This configuration file will be evaluated by Puma. The top-level methods that
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# are invoked here are part of Puma's configuration DSL. For more information
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# about methods provided by the DSL, see https://puma.io/puma/Puma/DSL.html.
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#
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# Puma starts a configurable number of processes (workers) and each process
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# serves each request in a thread from an internal thread pool.
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#
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# You can control the number of workers using ENV["WEB_CONCURRENCY"]. You
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# should only set this value when you want to run 2 or more workers. The
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# default is already 1.
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#
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# The ideal number of threads per worker depends both on how much time the
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# application spends waiting for IO operations and on how much you wish to
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# prioritize throughput over latency.
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#
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# As a rule of thumb, increasing the number of threads will increase how much
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# traffic a given process can handle (throughput), but due to CRuby's
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# Global VM Lock (GVL) it has diminishing returns and will degrade the
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# response time (latency) of the application.
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#
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# The default is set to 3 threads as it's deemed a decent compromise between
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# throughput and latency for the average Rails application.
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#
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# Any libraries that use a connection pool or another resource pool should
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# be configured to provide at least as many connections as the number of
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# threads. This includes Active Record's `pool` parameter in `database.yml`.
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threads_count = ENV.fetch("RAILS_MAX_THREADS", 3)
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threads threads_count, threads_count
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# Specifies the `port` that Puma will listen on to receive requests; default is 3000.
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port ENV.fetch("PORT", 3000)
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# Allow puma to be restarted by `bin/rails restart` command.
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plugin :tmp_restart
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# Run the Solid Queue supervisor inside of Puma for single-server deployments
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plugin :solid_queue if ENV["SOLID_QUEUE_IN_PUMA"]
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# Specify the PID file. Defaults to tmp/pids/server.pid in development.
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# In other environments, only set the PID file if requested.
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pidfile ENV["PIDFILE"] if ENV["PIDFILE"]
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