Lucas Fonseca Lucas Fonseca - 1 year ago 102
Ruby Question

Server Ruby on Rails + unicorn + nginx stop responding

My server Rails worker normally, but after 10 minutes without a request its response is a bad gateway.
I really think my configurations are in order, but it don't work.
I don't have more ideas what to is happening.

That my configurations:


@dir = File.expand_path(File.dirname(__FILE__)) + "/.."

worker_processes 2
working_directory @dir

timeout 10

listen File.join('/tmp/nutrimais.sock')
listen File.join('/tmp/nutrimais_2.sock')

preload_app true# if ENV['RAILS_ENV'] != 'development'

GC.respond_to?(:copy_on_write_friendly=) and
GC.copy_on_write_friendly = true

check_client_connection false

before_fork do |server, worker|

Signal.trap 'TERM' do
puts 'Unicorn master intercepting TERM and sending myself QUIT instead'
Process.kill 'QUIT',

defined?(ActiveRecord::Base) and

after_fork do |server, worker|

Signal.trap 'TERM' do
puts 'Unicorn worker intercepting TERM and doing nothing. Wait for master to send QUIT'

defined?(ActiveRecord::Base) and

nginx config:

upstream nutrimais {
# Path to Puma SOCK file, as defined previously
server unix:/tmp/nutrimais.sock max_fails=2 fail_timeout=10s;
server unix:/tmp/nutrimais_2.sock;

server {
listen 80;

location / {
autoindex on;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header Host $host;
# time out settings
proxy_next_upstream http_502 timeout;
proxy_next_upstream_timeout 0;
proxy_next_upstream_tries 0;
proxy_connect_timeout 159s;
proxy_send_timeout 600;
proxy_read_timeout 600;
proxy_buffer_size 64k;
proxy_buffers 16 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
proxy_pass_header Set-Cookie;
proxy_redirect off;
proxy_hide_header Vary;
proxy_set_header Accept-Encoding '';
proxy_ignore_headers Cache-Control Expires;
proxy_set_header Referer $http_referer;
proxy_set_header Host $host;
proxy_set_header Cookie $http_cookie;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Host $host;
proxy_set_header X-Forwarded-Server $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_pass http://nutrimais;


source ''
gem 'rails', '4.2.4'
gem 'unicorn-rails', '~> 2.2'
gem 'pg'
gem 'mysql2', '~> 0.3.18'
gem 'sass-rails', '~> 5.0'
gem 'uglifier', '>= 1.3.0'
gem 'coffee-rails', '~> 4.1.0'
gem 'duktape'
gem 'jquery-rails'
gem 'turbolinks'
gem 'jbuilder', '~> 2.0'
gem 'bootstrap-sass'
gem 'devise'
gem 'simple_form'
gem 'minitest'
gem "paperclip", "~> 4.3"
gem 'aws-sdk', '< 2.0'
gem 'mail_form', '~> 1.5.0.rc'
gem 'sendgrid-ruby'
gem 'zopim_rails'
gem 'meta-tags'
gem 'ckeditor'
gem 'slick_rails'

group :development do
gem 'better_errors'
gem 'binding_of_caller', :platforms=>[:mri_20]
gem 'quiet_assets'
gem 'rails_layout'
gem 'spring-commands-rspec'
gem 'web-console', '~> 2.0'
gem 'spring'
group :production do
gem 'therubyracer'
group :development, :test do
gem 'factory_girl_rails'
gem 'faker'
gem 'pry-rails'
gem 'pry-rescue'
gem 'rspec-rails'
gem 'rubocop'
gem 'byebug'

group :test do
gem 'capybara'
gem 'database_cleaner'
gem 'launchy'
gem 'selenium-webdriver'

Log while gives bad gateway:

Started GET "/menus" for at 2016-01-20 17:25:17 +0000
I, [2016-01-20T17:25:17.580380 #9] INFO -- : Processing by MenusController#index as HTML
D, [2016-01-20T17:25:17.904933 #9] DEBUG -- : [1m[36mMenu Load (322.3ms)[0m [1mSELECT `menus`.* FROM `menus` ORDER BY created_at DESC[0m
I, [2016-01-20T17:25:20.006674 #9] INFO -- : Started GET "/menus" for at 2016-01-20 17:25:20 +0000

It stays in
Started GET
and not does nothing

Answer Source

I discovery what was happening, the linux firewall killed the connection. When I put the database in the same machine it is worked without trumbles.

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