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45 lines
2.0 KiB
45 lines
2.0 KiB
# 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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# 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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# 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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# to 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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max_threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 } |
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min_threads_count = ENV.fetch("RAILS_MIN_THREADS") { max_threads_count } |
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threads min_threads_count, max_threads_count |
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# Specifies the `worker_timeout` threshold that Puma will use to wait before |
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# terminating a worker in development environments. |
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# |
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worker_timeout 3600 if ENV.fetch("RAILS_ENV", "development") == "development" |
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# Specifies the `port` that Puma will listen on to receive requests; default is 3000. |
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# |
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port ENV.fetch("PORT") { 3000 } |
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# Specifies the `environment` that Puma will run in. |
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# |
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environment ENV.fetch("RAILS_ENV") { "development" } |
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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.fetch("PIDFILE") { "tmp/pids/server.pid" } |
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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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