Nginx - ошибка worker connections are not enough

Ошибка

2014/07/27 2:06:24 [alert] 147014#0: 1024 worker_connections are not enough
2014/07/27 2:06:24 [alert] 147014#0: 1024 worker_connections are not enough
2014/07/27 2:06:24 [alert] 147014#0: 1024 worker_connections are not enough
2014/07/27 2:06:24 [alert] 147014#0: 1024 worker_connections are not enough
2014/07/27 2:06:24 [alert] 147014#0: 1024 worker_connections are not enough
2014/07/27 2:06:24 [alert] 147014#0: 1024 worker_connections are not enough
2014/07/27 2:06:24 [alert] 147014#0: 1024 worker_connections are not enough
2014/07/27 2:06:24 [alert] 147014#0: 1024 worker_connections are not enough
2014/07/27 2:06:24 [alert] 147014#0: 1024 worker_connections are not enough
2014/07/27 2:06:24 [alert] 147014#0: 1024 worker_connections are not enough

означает, что nginx не справляется с большим числом соединений. Нужно увеличить либо worker_processes = количество ядер, либо worker_connections - количество коннектов на процесс:

# nano /etc/nginx/nginx.conf
и перезапустить nginx.