(www)www@ip-172-31-16-172:~$ uwsgi --ini uwsgi.ini
[uWSGI] getting INI configuration from uwsgi.ini
*** Starting uWSGI 2.0.12 (64bit) on [Sun Feb 26 16:57:48 2017] ***
compiled with version: 4.8.4 on 26 February 2017 16:40:36
os: Linux-3.13.0-74-generic #118-Ubuntu SMP Thu Dec 17 22:52:10 UTC 2015
nodename: ip-172-31-16-172
machine: x86_64
clock source: unix
detected number of CPU cores: 2
current working directory: /home/www
writing pidfile to pid/uwsgi.pid
detected binary path: /home/www/bin/uwsgi
!!! no internal routing support, rebuild with pcre support !!!
your processes number limit is 63794
your memory page size is 4096 bytes
detected max file descriptor number: 1024
lock engine: pthread robust mutexes
thunder lock: disabled (you can enable it with --thunder-lock)
uwsgi socket 0 bound to TCP address :8001 fd 3
Python version: 2.7.9 (default, Mar 29 2016, 10:54:29)  [GCC 4.8.4]
Python main interpreter initialized at 0x27b7d30
python threads support enabled
your server socket listen backlog is limited to 100 connections
your mercy for graceful operations on workers is 60 seconds
mapped 218304 bytes (213 KB) for 2 cores
*** Operational MODE: preforking ***

==== web.log ====
*** uWSGI is running in multiple interpreter mode ***
spawned uWSGI master process (pid: 18918)
spawned uWSGI worker 1 (pid: 18919, cores: 1)
spawned uWSGI worker 2 (pid: 18920, cores: 1)
epoll_ctl(): Operation not permitted [core/event.c line 521]
epoll_ctl(): Operation not permitted [core/event.c line 521]
epoll_ctl(): Operation not permitted [core/event.c line 521]