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nginx in high concurrency setups

Dennis J.
December 14, 2009 02:20PM
Hi,
I'm currently experimenting how many concurrent connections nginx can
handle. The problem I'm running into is that for each request I send to the
server I get a connection in TIME_WAIT state. If I do this using
benchmarking tools like httperf or ab I quickly seem to hit a ceiling. Once
the number of TIME_WAIT connections reaches about 16000 the benchmarking
tools just freeze and I have to wait until that number comes down again.
What is the reason for these TIME_WAIT connections and how can I get rid of
them faster? I'm only serving small static files and the delivery is not
supposed to take longer than say 300ms so any connection that takes longer
than that can be aborted if that is necessary to make room for new incoming
connections.
Does anyone have experience with serving lots of small static requests
using nginx?

Regards,
Dennis

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Subject Author Posted

nginx in high concurrency setups

Dennis J. December 14, 2009 02:20PM

Re: nginx in high concurrency setups

merlin corey December 14, 2009 03:20PM

Re: nginx in high concurrency setups

Rasmus Andersson December 15, 2009 11:00AM

Re: nginx in high concurrency setups

Dennis J. December 15, 2009 09:10PM

Re: nginx in high concurrency setups

Timothy Ball December 15, 2009 12:04PM



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