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@divineforest
Created May 31, 2011 08:26
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God DJ watch config
DJ_WORKERS_NUM = 1
DJ_WORKERS_NUM.times do |num|
God.watch do |w|
script = File.join(RAILS_ROOT, "script/delayed_job -i #{num}")
w.name = "dj-#{num}"
w.group = 'dj'
w.interval = 30.seconds
w.start = "#{script} start"
w.stop = "#{script} stop"
w.restart = "#{script} restart"
w.dir = RAILS_ROOT
w.pid_file = File.join(RAILS_ROOT, "tmp/pids/delayed_job.#{num}.pid")
w.start_grace = 10.seconds
w.restart_grace = 10.seconds
w.uid = 'app'
w.behavior(:clean_pid_file)
w.start_if do |start|
start.condition(:process_running) do |c|
c.interval = 5.seconds
c.running = false
end
end
w.restart_if do |restart|
restart.condition(:memory_usage) do |c|
c.above = 500.megabytes
c.times = [3, 5] # 3 out of 5 intervals
end
restart.condition(:cpu_usage) do |c|
c.above = 50.percent
c.times = 5
end
end
w.lifecycle do |on|
on.condition(:flapping) do |c|
c.to_state = [:start, :restart]
c.times = 5
c.within = 5.minute
c.transition = :unmonitored
c.retry_in = 10.minutes
c.retry_times = 5
c.retry_within = 2.hours
end
end
end
end
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