One of the hidden costs of Unicorn is spin-up time. Unicorn takes a long time to start, then fork. We would get a ton of request timeouts during this period. Sw

One of the hidden costs of Unicorn is spin-up time. Unicorn takes a long time to start, then fork. We would get a ton of request timeouts during this period. Switching back to Thin, we never got timeouts during deploys - even under very heavy load.