Nginx HTTP Server - Fourth Edition

Events module

The events module comes with directives that allow you to configure network mechanisms. Some of the parameters have an important impact on the application's performance.

All of the directives listed in the following table must be placed in the events block, which is located at the root of the configuration file:

user nginx nginx; 
master_process on; 
worker_processes 4; 
events { 
  worker_connections 1024; 
  use epoll; 
} 
[...] 

These directives cannot be placed elsewhere (if you do so, the configuration test will fail):

Directive name	Syntax and description
accept_mutex	Accepted values: on or off Syntax: accept_mutex on; Default value: As of version 1.11.3 off; prior to version 1.11.3, was on Enables or disables the ...