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Update to latest rails
author nanaya <me@nanaya.net>
date Tue, 03 Sep 2024 19:21:25 +0900
parents d5a0d66ee457
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253:d726e8b92dd1 254:89f6c0016bab
1 # Puma can serve each request in a thread from an internal thread pool. 1 # This configuration file will be evaluated by Puma. The top-level methods that
2 # The `threads` method setting takes two numbers a minimum and maximum. 2 # are invoked here are part of Puma's configuration DSL. For more information
3 # Any libraries that use thread pools should be configured to match 3 # about methods provided by the DSL, see https://puma.io/puma/Puma/DSL.html.
4 # the maximum value specified for Puma. Default is set to 5 threads for minimum 4
5 # and maximum, this matches the default thread size of Active Record. 5 # Puma starts a configurable number of processes (workers) and each process
6 # serves each request in a thread from an internal thread pool.
6 # 7 #
7 threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }.to_i 8 # The ideal number of threads per worker depends both on how much time the
9 # application spends waiting for IO operations and on how much you wish to
10 # to prioritize throughput over latency.
11 #
12 # As a rule of thumb, increasing the number of threads will increase how much
13 # traffic a given process can handle (throughput), but due to CRuby's
14 # Global VM Lock (GVL) it has diminishing returns and will degrade the
15 # response time (latency) of the application.
16 #
17 # The default is set to 3 threads as it's deemed a decent compromise between
18 # throughput and latency for the average Rails application.
19 #
20 # Any libraries that use a connection pool or another resource pool should
21 # be configured to provide at least as many connections as the number of
22 # threads. This includes Active Record's `pool` parameter in `database.yml`.
23 threads_count = ENV.fetch("RAILS_MAX_THREADS", 3)
8 threads threads_count, threads_count 24 threads threads_count, threads_count
9 25
10 # Specifies the `port` that Puma will listen on to receive requests, default is 3000. 26 # Specifies the `port` that Puma will listen on to receive requests; default is 3000.
11 # 27 port ENV.fetch("PORT", 3000)
12 port ENV.fetch("PORT") { 3000 }
13 28
14 # Specifies the `environment` that Puma will run in. 29 # Allow puma to be restarted by `bin/rails restart` command.
15 # 30 plugin :tmp_restart
16 environment ENV.fetch("RAILS_ENV") { "development" }
17 31
18 # Specifies the number of `workers` to boot in clustered mode. 32 # Specify the PID file. Defaults to tmp/pids/server.pid in development.
19 # Workers are forked webserver processes. If using threads and workers together 33 # In other environments, only set the PID file if requested.
20 # the concurrency of the application would be max `threads` * `workers`. 34 pidfile ENV["PIDFILE"] if ENV["PIDFILE"]
21 # Workers do not work on JRuby or Windows (both of which do not support
22 # processes).
23 #
24 # workers ENV.fetch("WEB_CONCURRENCY") { 2 }
25
26 # Use the `preload_app!` method when specifying a `workers` number.
27 # This directive tells Puma to first boot the application and load code
28 # before forking the application. This takes advantage of Copy On Write
29 # process behavior so workers use less memory. If you use this option
30 # you need to make sure to reconnect any threads in the `on_worker_boot`
31 # block.
32 #
33 # preload_app!
34
35 # The code in the `on_worker_boot` will be called if you are using
36 # clustered mode by specifying a number of `workers`. After each worker
37 # process is booted this block will be run, if you are using `preload_app!`
38 # option you will want to use this block to reconnect to any threads
39 # or connections that may have been created at application boot, Ruby
40 # cannot share connections between processes.
41 #
42 # on_worker_boot do
43 # ActiveRecord::Base.establish_connection if defined?(ActiveRecord)
44 # end
45
46 # Allow puma to be restarted by `rails restart` command.
47 plugin :tmp_restart