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by barsxl 5010 days ago
As with any tiered web application, the requests aren't evenly distributed across all the servers :) Most of our main Nginx proxies serve about 5k req/sec and have about 50k established connections. They are usually 8 cores + HT for a total of 16 "threads". They aren't at 100% utilization and the limiting factor isn't Nginx CPU usage - it's software interrupts generated by the NICs or bandwidth or something else... We have seen single machines serve upwards of 20k req/sec under "real world" conditions before.