error: nginx [warn] 8192 worker_connection are more than open file resource limit: 1024
vi /etc/sysctl.conf
fs.file-max = 70000
vi /etc/security/limits.conf
nginx soft nofile 10000 nginx hard nofile 30000 sysctl -p
# set open fd limit to 30000 worker_rlimit_nofile 30000;
# service nginx reload
# su - nginx
$ ulimit -Hn
$ ulimit -Sn
Sample outputs:
30000 10000