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...hook behavior, which is to reap old Unicorn workers via SIGQUIT after the new one has finished booting. Unfortunately, while the new workers are forking and begin processing requests, we''re still seeing significant spikes in our haproxy request queue. It seems as if after we restart, the unwarmed workers get swamped by the incoming requests. As far as I can tell, the momentary loss of capacity we experience translates fairly quickly into a thundering herd. We''ve experimented with rolling restarts at the server level but these do not resolve the problem. I''m curious if...