


PHP-FPM achieves performance optimization, php-fpm performance optimization_PHP tutorial
Jul 12, 2016 am 08:55 AMPHP-FPM achieves performance optimization, php-fpm performance optimization
Introduction:
PHP-FPM is a PHP FastCGI manager. Generally, when running PHP programs on Nginx, the PHP programs will be thrown to PHP-FPM for parsing. Okay, that’s it!
PHP 5.4 has integrated PHP-FPM, which means that when compiling PHP, just --enable-fpm will install PHP-FPM.
1. Install PHP-FPM
shell > ./configure --prefix=/usr/local/php \ --with-config-file-path=/usr/local/php --with-mysql=/usr/local/mysql/ \ --with-mysqli=/usr/local/mysql/bin/mysql_config --with-gd --with-xsl --with-bz2 \ --with-zlib --with-curl --with-pear --without-iconv --with-mcrypt \ --with-gettext --with-openssl --with-libxml-dir --with-png-dir --with-jpeg-dir --with-freetype-dir \ --with-libdir=lib64 --enable-ftp --enable-fpm --enable-opcache --enable-exif --enable-soap --enable-bcmath --enable-calendar \ --enable-sockets --enable-mbstring --enable-gd-native-ttf --disable-rpath --disable-debug
## Did you see the bunch of parameters above? This is compiling PHP. One of the parameters is --enable-fpm. Yes, this is to enable the PHP-FPM extension.
shell > make; make install
2. Configure PHP-FPM
shell > cp /usr/local/src/php-5.6.17/php.ini-production /usr/local/php/php.ini # 這是 PHP 的配置文件 shell > cp /usr/local/src/php-5.6.17/sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm # 這是 PHP-FPM 的啟動(dòng)腳本 shell > cd /usr/local/php/etc/ shell > cp php-fpm.conf.default php-fpm.conf # 復(fù)制一份配置文件 shell > vim php-fpm.conf [global] pid = run/php-fpm.pid # PID rlimit_files = 65535 # 打開文件數(shù)限制 [www] # 進(jìn)程池 user = nginx # 以 nginx 身份運(yùn)行 group = nginx listen = 127.0.0.1:9000 # 監(jiān)聽本機(jī)的 9000 端口 ;listen = /dev/shm/php-cgi.sock; # 監(jiān)聽 UNIX SOCKET ,并把 SOCKET 放在了內(nèi)存空間中,速度更快 ( Nginx 也要相應(yīng)修改 )! ;listen.backlog = 10240 # UNIX SOCKET 的方式高并發(fā)下有點(diǎn)不穩(wěn)定,該參數(shù)用來緩解 ( SOCKET 等待隊(duì)列長度 ) ;listen.owner = nginx # UNIX SOCKET 的權(quán)限 ;listen.group = nginx ;listen.mode = 0660 pm = dynamic # 創(chuàng)建進(jìn)程的方式,動(dòng)態(tài)創(chuàng)建 pm.max_children = 32 # 最大進(jìn)程數(shù) ( 不能只看內(nèi)存來創(chuàng)建,要看具體使用率,有時(shí)內(nèi)存足夠,進(jìn)程數(shù)大多時(shí),導(dǎo)致 CPU 頻繁上下文切換,負(fù)載會(huì)很高 ) pm.start_servers = 5 # 初始進(jìn)程數(shù) pm.min_spare_servers = 5 # 最小空閑進(jìn)程數(shù) pm.max_spare_servers = 10 # 最大空閑進(jìn)程數(shù) pm.status_path = /php_status # PHP-FPM 狀態(tài)監(jiān)控 ( Nginx 要設(shè)置訪問權(quán)限 ) shell > service php-fpm start
3. Monitoring PHP-FPM
shell > vim /usr/local/nginx/conf/nginx.conf location ~ /php_status { # 創(chuàng)建一個(gè)單獨(dú)的 server 或直接在 server {} 中加入配置 access_log off; allow 127.0.0.1; allow 36.110.41.194; # 做好權(quán)限 deny all; fastcgi_pass 127.0.0.1:9000; # 如果是 UNIX SOCKET 的方式,要類似這樣寫: fastcgi_pass unix:/dev/shm/php-cgi.sock; fastcgi_param SCRIPT_FILENAME $fastcgi_script_name; include fastcgi_params; } shell > kill -HUP `cat /usr/local/nginx/logs/nginx.pid` shell > curl http://127.0.0.1/php_status # 訪問該路徑得到如下數(shù)據(jù) pool: www # 進(jìn)程池名稱 process manager: dynamic # 進(jìn)程管理方式 start time: 22/Jan/2016:15:49:00 +0800 # 啟動(dòng)時(shí)間 start since: 375 # 運(yùn)行時(shí)長 accepted conn: 7 # 當(dāng)前進(jìn)程池接受的請(qǐng)求數(shù) listen queue: 0 # 請(qǐng)求等待隊(duì)列,如果不為 0 ,意味著 FPM 進(jìn)程不足,需要增加 max listen queue: 0 # 最大等待隊(duì)列數(shù)量 listen queue len: 1024 # SOCKET 等待隊(duì)列長度 idle processes: 4 # 空閑進(jìn)程數(shù) active processes: 1 # 活躍的進(jìn)程數(shù) total processes: 5 # 總進(jìn)程數(shù) max active processes: 1 # 最大活躍進(jìn)程數(shù) max children reached: 0 # 達(dá)到最大進(jìn)程數(shù)的次數(shù),如果不為 0 ,意味著最大進(jìn)程數(shù)不足,需要增加 slow requests: 0 # 慢請(qǐng)求數(shù)量,需要設(shè)置 slow log shell > curl http://127.0.0.1/php_status # 這里有多種參數(shù)供選擇,例如: http://127.0.0.1/php_status?html 、?json 、?xml 、?full
# I think the ?json format is the best to use python script for monitoring!
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