Mastering Nginx

Directive Reference

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Directive Explanation Context/Default

fastcgi_cache_lock Enabling this directive will

prevent multiple requests from

making an entry into the same

cache key.

Valid contexts: http,

server, location

Default value: off

fastcgi_cache_lock_

timeout

The length of time a request will

wait for an entry to appear in the

cache or for the fastcgi_cache_

lock to be released.

Valid contexts: http,

server, location

Default value: 5s

fastcgi_cache_min_

uses

The number of requests for a

certain key needed before a

response is cached.

Valid contexts: http,

server, location

Default value: 1

fastcgi_cache_path Refer to the FastCGI directives

table in the Using NGINX with

PHP-FPM section in Chapter 6, The

NGINX HTTP Server.

Valid context: http

Default value: -

fastcgi_cache_use_

stale

The cases under which it is

acceptable to serve stale cached

data when an error occurs while

accessing the FastCGI server. The

updating parameter indicates

the case when fresh data are being

loaded.

Valid contexts: http,

server, location

Default value: off

fastcgi_cache_valid Indicates the length of time for

which a cached response with

response code 200, 301, or 302 is

valid. If an optional response code

is given before the time parameter,

that time is only for that response

code. The special parameter any

indicates that any response code

should be cached for that length

of time.

Valid contexts: http,

server, location

Default value: -

fastcgi_connect_

timeout

The maximum amount of time

NGINX will wait for its connection

to be accepted when making a

request to a FastCGI server.

Valid contexts: http,

server, location

Default value: 60s

fastcgi_hide_header A list of header fields that should

not be passed on to the client.

Valid contexts: http,

server, location

Default value: -