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I have an app that is responding pretty slowly. Most of the response time is Ruby, (800 ms per request!) however the load on the server is pretty low. It's a VPS with 4 cores and 4 gigs of ram, and the load is around 0.04 or so. OS is SL6.

How do I tune Ruby + Rails + Nginx + Passenger to use more cycles?

(I do realize that writing better code is certainly the preferred solution. However, the reason for me posting this at all is so I can learn the answer to the specific question "How do I tune Ruby + Rails + Nginx + Passenger to use more cycles?" so please stick to answering that question. Thanks!)

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closed as not a real question by mgorven, EEAA, Scott Pack, Jeff Ferland, Iain♦ Aug 22 '12 at 21:45

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, see the FAQ.