We are running nginx and uwsgi behind Load Balancer (AWS ELB). uwsgi is able to process request in lesses than 100 ms but nginx is adding some overhead and final request time is becoming way more than uwsgi time. This is not happening for all of the requests but for only 2-3 % of requests. Log Format '$status [$time_local] "$request" $body_bytes_sent $request_length $request_time $by shakir@moengage.com - Other discussion