Nginx (iv) FASTCGI related configuration

Source: Internet
Author: User

Nginx is an open source software that supports high concurrency and is fairly lightweight to handle static resources.

It also supports a variety of modules for function expansion, although nginx cannot handle dynamic resources by itself, but it can realize the function of dynamic resources through fastcgi module.

**nginx_http_fastcgi_module Module Configuration * *

    • Address for fastcgi server fastcgi_pass;

    • Fasgcgi_index name; Defines the default home page for fastcgi apps;

    • Fastcgi_param parameter value; Sets the parameters and values passed to the backend fastcgi server;

    • Fastcgi_cache_path path [levels=levels] [Use_temp_path=on|off] keys_zone=name:size [Inactive=time] [max_size=size]; Defines the caching mechanism, application context: HTTP

Caching mechanism:

Meta Data:

Data: disk, which is path;

Meta data: Memory, that is, keys_zone;

levels=#[:#[:#]]; Example: Levels=2:1


identifier of the Name:cache;

Size: Metadata cache sizes;

Max_size: Maximum cache space;

    • Fastcgi_cache Zone|off; The call defines the cache, and the zone is the name in the Keys_zone parameter when the cache is defined by Fastcgi_cache_path;

    • Fastcgi_cache_key string; Defines how the cache key is used;

    • Fastcgi_cache_methods get| head| POST ...; The default is get and head for the request that corresponds to which request method is cached;

    • Fastcgi_cache_valid [code..] time; The response of different response codes is set to cache length;

Note: When invoking a cache, the specified three parameters should be called:




Fastcgi_cache_path /var/cache/fastcgi levels=1:1 keys_zone=fastcgicache:10m inactive=5m  max_size=1g;               # Defines the fastcgi cache server {        listen        *:80;        server_name;         root         /usr/share /nginx/html;        # load configuration files for  the default server block.        include / etc/nginx/default.d/*.conf;        location / {                   #定义主页文件            index index.html index.php index.htm;         }        location ~* ^/(images|javascript| js|css|flash|media|static)/ {   #定义静态文件自己处理 with an expiry time of 30d           expires 30d;        }         location ~* \.php$ {                 #将动态资源发往本机的fastcgi处理           fastcgi_pass;         fastcgi_index  index.php;         fastcgi_param SCRIPT_FILENAME    $document _root$fastcgi_script_name;         include  Fastcgi_params;         fastcgi_cache fastcgicache;         #调用fastcgi的缓存;          fastcgi_cache_key $ request_uri;         fastcgi_cache_valid 200 302  10m;         fastcgi_cache_valid 403 1m;         }        error_page 404  /404.html;                     location = /40x.html {        }         error_page 500 502 503 504 /50x.html;             location = /50x.html {         }    } 

* * Enable the Status page for PHP-FPM * *

[[email protected] nginx]# grep "^pm.status_path"/etc/php-fpm.d/#在php-fpm file to enable the item Pm.status_path =/phpfpmstatus #状态页         The polygon URL can be defined by itself; location/phpfpmstatus {#在nginx配置文件中增加此状态页面location fastcgi_pass;         Fastcgi_param script_filename $fastcgi _script_name;        Include Fastcgi_params; }

Restart Nginx and PHP-FPM:

650) this.width=650; "src=" Http:// "title=" 1.PNG " alt= "Wkiol1bdgouz0sg_aaa92pq7lmu698.png"/>

POOL-FPM: Pool name, mostly www;

Process Manager: How processes are managed;

Start time: start date;

Start since: length of operation;

Accepted Conn: the number of requests received by the current pool;

Listen queue: Request Wait queue, if not 0, the number of processes required to increase fpm;

Max Listen queue: The maximum number of request waiting queues;

Listen queue Len:socket wait-length;

Idle processes: number of idle processes;

Active processes: number of active processes;

Total processes: number of overall processes;

Max Active Processes: The maximum number of active processes, calculated from the start;

Max Childrwn reached:

Slow requests: Slow log feature with FPM enabled, number of slow requests

* * UNIX-based socket file connection php-fpm**

Through the way of listening port processing PHP request, forwarding mode is the TCP protocol, each time to do three handshake and four disconnects, when Nginx and PHP-FPM on the same host, we can based on the local UNIX socket file for communication, improve transmission performance;

Listen =/var/run/php-fpm.sock;  #修改php-FPM configuration file to enable it to listen to the UNIX socket file; Fastcgi_pass Unix:/var/run/php-fpm.sock; #修改nginx配置文件中的fastcgi_pass选项;

Nginx (iv) FASTCGI related configuration

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