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I have a single instance running which is sitting behind their load balancer.

When I use apache's benchmark utility and point it at the instance the response time is more often than not, under 50ms. When I point ab at the load balancer the response time jumps up to 400ms+

I was wondering if anyone has encountered this and/or if there is a solution to get the response times lower?

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What size is the instance? How many connections are you throwing at it? –  David Schwartz Mar 21 '13 at 15:49

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