config nginx for concurrent connections

gistfile1.txt

# ec2 t2.micro can get over 20k connections by adding this line to nginx.conf
# test on ubuntu 16.04

# modify /etc/nginx/nginx.conf
worker_connections 10240;

# restart nginx
sudo systemctl reload nginx

# tool for testing
https://github.com/giltene/wrk2

# cmd to test your nginx server
wrk -t2 -c100 -d30s -R2000 http://127.0.0.1:8080/index.html

# grep access log to see concurrent connections
awk '{ print $4 }' /var/log/nginx/access.log | awk -F: '{ print $2 ":" $3 ":" $4 }'|sort|uniq -c