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accept_mutex

Syntax:	`accept_mutex on \| off;`
Default:	`accept_mutex off;`
Context:	`events`

If accept_mutex is enabled, worker processes will accept new connections by turn. Otherwise, all worker processes will be notified about new connections, and if volume of new connections is low, some of the worker processes may just waste system resources.

There is no need to enable accept_mutex on systems that support the EPOLLEXCLUSIVE flag (1.11.3) or when using reuseport.

Prior to version 1.11.3, the default value was on.

Links:

https://nginx.org/en/docs/ngx_core_module.html#accept_mutex

doc_nginx

2017-02-09 07:05:25

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