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# Example: how to run unicorn, and monitor its child processes
RUBY = '/usr/local/ruby/1.9.3/bin/ruby' # ruby on the server
RAILS_ENV = 'production'
Eye.application "rails_unicorn" do
env "RAILS_ENV" => RAILS_ENV
# unicorn requires to be `ruby` in path (for soft restart)
env "PATH" => "#{File.dirname(RUBY)}:#{ENV['PATH']}"
working_dir File.expand_path(File.join(File.dirname(__FILE__), %w[ processes ]))
process("unicorn") do
pid_file "tmp/pids/unicorn.pid"
start_command "#{RUBY} ./bin/unicorn -Dc ./config/unicorn.rb -E #{RAILS_ENV}"
stdall "log/unicorn.log"
# stop signals:
# http://unicorn.bogomips.org/SIGNALS.html
stop_signals [:TERM, 10.seconds]
# soft restart
restart_command "kill -USR2 {PID}"
check :cpu, :every => 30, :below => 80, :times => 3
check :memory, :every => 30, :below => 150.megabytes, :times => [3,5]
start_timeout 100.seconds
restart_grace 30.seconds
monitor_children do
stop_command "kill -QUIT {PID}"
check :cpu, :every => 30, :below => 80, :times => 3
check :memory, :every => 30, :below => 150.megabytes, :times => [3,5]
end
end
end
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