nginx：configuration文件testing失败

我使用DirectAdmin和Nginx的安装，我有巨大的客户端，我有时看到“Nginx的503错误”，我有3Gb内存与790使用RAM …

而现在我想增加工作者连接，但在这个文件中我没有这个项目：

nano /etc/nginx/nginx.conf 

当我手动添加这个项目，我看到下面的错误Nginx重新启动后：

 [root@server ~]# service nginx restart nginx: [emerg] "worker_connections" directive is duplicate in /etc/nginx/nginx-events.conf:1 nginx: configuration file /etc/nginx/nginx.conf test failed 

另外当我增加“worker_processes 1;” 到5，重新启动nginx后，看到下面的输出还是1：

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 [root@server ~]# grep processor /proc/cpuinfo | wc -l 1 

下面是我的configuration文件的输出：

 #user nginx; # The number of worker processes is changed automatically by CustomBuild, according to the number of CPU cores, if it's set to "1" worker_processes 100; pid /var/run/nginx.pid; #error_log logs/error.log; #error_log logs/error.log notice; #error_log logs/error.log info; events { # worker_connections 1024; include /etc/nginx/nginx-events.conf; } http { include /etc/nginx/mime.types; # For user configurations not maintained by DirectAdmin. Empty by default. include /etc/nginx/nginx-includes.conf; # Supplemental configuration include /etc/nginx/nginx-modsecurity-enable.conf; include /etc/nginx/nginx-defaults.conf; include /etc/nginx/nginx-gzip.conf; include /etc/nginx/directadmin-ips.conf; include /etc/nginx/directadmin-settings.conf; include /etc/nginx/nginx-vhosts.conf; include /etc/nginx/directadmin-vhosts.conf; }