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HttpMemcachedModule

Revision as of 07:38, 23 August 2013 by AndreiBelov (Talk | contribs)

WARNING: this article is obsoleted. Please refer to http://nginx.org/en/docs/ for the latest official documentation.

Contents

Synopsis

You can use this module to perform simple caching.

server {
  location / {
    set $memcached_key $uri;
    memcached_pass     name:11211;
    default_type       text/html;
    error_page         404 @fallback;
  }
 
  location @fallback {
    proxy_pass http://backend;
  }
}

Directives

memcached_pass

Syntax: memcached_pass address
Default:
Context: location
if in location
Reference:memcached_pass


The backend should set the data in memcached. The memcached key is "/uri?args".

Since 0.5.9 the memcached key is now in $memcached_key.

memcached_connect_timeout

Syntax: memcached_connect_timeout time
Default: 60s
Context: http
server
location
Reference:memcached_connect_timeout


The timeout for connecting to memcached.

memcached_read_timeout

Syntax: memcached_read_timeout time
Default: 60s
Context: http
server
location
Reference:memcached_read_timeout


The timeout for reading from memcached.

memcached_send_timeout

Syntax: memcached_send_timeout time
Default: 60s
Context: http
server
location
Reference:memcached_send_timeout


The timeout for sending to memcached.

memcached_buffer_size

Syntax: memcached_buffer_size size
Default: 4k|8k
Context: http
server
location
Reference:memcached_buffer_size


The recv/send buffer size, in bytes.

memcached_next_upstream

Syntax: memcached_next_upstream error | timeout | invalid_response | not_found | off ...
Default: error timeout
Context: http
server
location
Reference:memcached_next_upstream


Which failure conditions should cause the request to be forwarded to another upstream server? Applies only when the value in memcached_pass is an upstream with two or more servers.

Variables

$memcached_key

The value of the memcached key.

References

Original Documentation

[1] Speeding up your nginx server with memcached

See Also

  • The 3rd-party memc module that supports almost the whole memcached TCP protocol.
  • The 3rd-party Enhanced Memcached Module add some features : custom HTTP headers, hash keys, flush memcached and so on.