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nginx reverse proxy greatly increases worst-case latency

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linux-howto

http://serverfault.com – I have a setup with nginx acting as a reverse proxy in front of a CherryPy app server. I'm using ab to compare performance going through nginx vs. not, and noticing that the former case has much worse worst-case performance: $ ab -n 200 -c 10 'http://localhost/noop' This is ApacheBench, Version 2.3 <$Revision: 655654 $> Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Licensed to The Apache Software Foundation, http://www.apache.org/ Benchmarking localhost (be patient) Completed 100 requests Completed 200 requests Finished 200 requests Server Software: (HowTos)