PHP-FPM实现性能优化,php-fpm性能优化
PHP-FPM实现性能优化,php-fpm性能优化
简介:
PHP-FPM 是一个 PHP FastCGI 管理器,一般 Nginx 上面跑 PHP 程序都会将 PHP 程序丢给 PHP-FPM 来解析。好了,就这样!
PHP 5.4 开始集成了 PHP-FPM ,也就是说编译 PHP 时,只要 --enable-fpm 就装好了 PHP-FPM 。
一、安装 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
## 看到上面这堆参数了没有,这是在编译 PHP ,其中有一个参数是 --enable-fpm 没错,这就是启用 PHP-FPM 扩展。
shell > make; make install
二、配置 PHP-FPM
shell > cp /usr/local/src/php-5.6.17/php.ini-production /usr/local/php/php.ini # 这是 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 # 这是 PHP-FPM 的启动脚本 shell > cd /usr/local/php/etc/ shell > cp php-fpm.conf.default php-fpm.conf # 复制一份配置文件 shell > vim php-fpm.conf [global] pid = run/php-fpm.pid # PID rlimit_files = 65535 # 打开文件数限制 [www] # 进程池 user = nginx # 以 nginx 身份运行 group = nginx listen = 127.0.0.1:9000 # 监听本机的 9000 端口 ;listen = /dev/shm/php-cgi.sock; # 监听 UNIX SOCKET ,并把 SOCKET 放在了内存空间中,速度更快 ( Nginx 也要相应修改 )! ;listen.backlog = 10240 # UNIX SOCKET 的方式高并发下有点不稳定,该参数用来缓解 ( SOCKET 等待队列长度 ) ;listen.owner = nginx # UNIX SOCKET 的权限 ;listen.group = nginx ;listen.mode = 0660 pm = dynamic # 创建进程的方式,动态创建 pm.max_children = 32 # 最大进程数 ( 不能只看内存来创建,要看具体使用率,有时内存足够,进程数大多时,导致 CPU 频繁上下文切换,负载会很高 ) pm.start_servers = 5 # 初始进程数 pm.min_spare_servers = 5 # 最小空闲进程数 pm.max_spare_servers = 10 # 最大空闲进程数 pm.status_path = /php_status # PHP-FPM 状态监控 ( Nginx 要设置访问权限 ) shell > service php-fpm start
三、监控 PHP-FPM
shell > vim /usr/local/nginx/conf/nginx.conf location ~ /php_status { # 创建一个单独的 server 或直接在 server {} 中加入配置 access_log off; allow 127.0.0.1; allow 36.110.41.194; # 做好权限 deny all; fastcgi_pass 127.0.0.1:9000; # 如果是 UNIX SOCKET 的方式,要类似这样写: 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 # 访问该路径得到如下数据 pool: www # 进程池名称 process manager: dynamic # 进程管理方式 start time: 22/Jan/2016:15:49:00 +0800 # 启动时间 start since: 375 # 运行时长 accepted conn: 7 # 当前进程池接受的请求数 listen queue: 0 # 请求等待队列,如果不为 0 ,意味着 FPM 进程不足,需要增加 max listen queue: 0 # 最大等待队列数量 listen queue len: 1024 # SOCKET 等待队列长度 idle processes: 4 # 空闲进程数 active processes: 1 # 活跃的进程数 total processes: 5 # 总进程数 max active processes: 1 # 最大活跃进程数 max children reached: 0 # 达到最大进程数的次数,如果不为 0 ,意味着最大进程数不足,需要增加 slow requests: 0 # 慢请求数量,需要设置 slow log shell > curl http://127.0.0.1/php_status # 这里有多种参数供选择,例如: http://127.0.0.1/php_status?html 、?json 、?xml 、?full
# 我想,用 python 脚本用做个监控,?json 格式是最好不过了吧!
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