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1楼 2009-01-31 [文章作者:张宴 本文版本:v4.12 最后修改:2009.01.17 转载请注明原文链接:http://blog.s135.com/post/366.htm]
在高并发连接的情况下,Nginx是Apache服务器不错的替代品。Nginx同时也可以作为7层负载均衡服务器来使用。根据我的测试结果,Nginx 0.7.30 + PHP 5.2.8 (FastCGI) 可以承受3万以上的并发连接数,相当于同等环境下Apache的10倍。 根据我的经验,4GB内存的服务器+Apache(prefork模式)一般只能处理3000个并发连接,因为它们将占用3GB以上的内存,还得为系统预留1GB的内存。我曾经就有两台Apache服务器,因为在配置文件中设置的MaxClients为4000,当Apache并发连接数达到3800时,导致服务器内存和Swap空间用满而崩溃。 而这台 Nginx 0.7.30 + PHP 5.2.8 (FastCGI) 服务器在3万并发连接下,开启的10个Nginx进程消耗150M内存(15M*10=150M),开启的64个php-cgi进程消耗1280M内存(20M*64=1280M),加上系统自身消耗的内存,总共消耗不到2GB内存。如果服务器内存较小,完全可以只开启25个php-cgi进程,这样php-cgi消耗的总内存数才500M。 在3万并发连接下,访问Nginx 0.7.30 + PHP 5.2.8 (FastCGI) 服务器的PHP程序,仍然速度飞快。下图为Nginx的状态监控页面,显示的活动连接数为28457(关于Nginx的监控页配置,会在本文接下来所给出的Nginx配置文件中写明): ![]() 我生产环境下的两台Nginx + PHP5(FastCGI)服务器,跑多个一般复杂的纯PHP动态程序,单台Nginx + PHP5(FastCGI)服务器跑PHP动态程序的处理能力已经超过“700次请求/秒”,相当于每天可以承受6000万(700*60*60*24=60480000)的访问量(更多信息见此),而服务器的系统负载也不高: ![]()
sudo -s
LANG=C yum -y install gcc gcc-c++ autoconf libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libxml2 libxml2-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2-devel ncurses ncurses-devel curl curl-devel e2fsprogs e2fsprogs-devel krb5 krb5-devel libidn libidn-devel openssl openssl-devel
wget http://blog.s135.com/soft/linux/nginx_php/rpm/i386/libjpeg-devel-6b-33.i386.rpm
rpm -ivh libjpeg-devel-6b-33.i386.rpm wget http://blog.s135.com/soft/linux/nginx_php/rpm/i386/freetype-devel-2.1.9-1.i386.rpm rpm -ivh freetype-devel-2.1.9-1.i386.rpm wget http://blog.s135.com/soft/linux/nginx_php/rpm/i386/libpng-devel-1.2.7-1.i386.rpm rpm -ivh libpng-devel-1.2.7-1.i386.rpm
wget http://blog.s135.com/soft/linux/nginx_php/rpm/x86_64/libjpeg-devel-6b-33.x86_64.rpm
rpm -ivh libjpeg-devel-6b-33.x86_64.rpm wget http://blog.s135.com/soft/linux/nginx_php/rpm/x86_64/freetype-devel-2.1.9-1.x86_64.rpm rpm -ivh freetype-devel-2.1.9-1.x86_64.rpm wget http://blog.s135.com/soft/linux/nginx_php/rpm/x86_64/libpng-devel-1.2.7-1.x86_64.rpm rpm -ivh libpng-devel-1.2.7-1.x86_64.rpm
mkdir -p /data0/software
cd /data0/software wget http://sysoev.ru/nginx/nginx-0.7.30.tar.gz wget http://www.php.net/get/php-5.2.8.tar.gz/from/this/mirror wget http://php-fpm.anight.org/downloads/head/php-5.2.8-fpm-0.5.10.diff.gz wget http://dev.mysql.com/get/Downloads/MySQL-5.1/mysql-5.1.30.tar.gz/from/http://mirrors.24-7-solutions.net/pub/mysql/ wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.12.tar.gz wget "http://downloads.sourceforge.net/mcrypt/libmcrypt-2.5.8.tar.gz?modtime=1171868460&big_mirror=0" wget "http://downloads.sourceforge.net/mcrypt/mcrypt-2.6.7.tar.gz?modtime=1194463373&big_mirror=0" wget http://pecl.php.net/get/memcache-2.2.4.tgz wget "http://downloads.sourceforge.net/mhash/mhash-0.9.9.tar.gz?modtime=1175740843&big_mirror=0" wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-7.8.tar.gz wget http://bart.eaccelerator.net/source/0.9.5.3/eaccelerator-0.9.5.3.tar.bz2 wget http://pecl.php.net/get/PDO_MYSQL-1.0.2.tgz
mkdir -p /data0/software
cd /data0/software wget http://blog.s135.com/soft/linux/nginx_php/nginx/nginx-0.7.30.tar.gz wget http://blog.s135.com/soft/linux/nginx_php/php/php-5.2.8.tar.gz wget http://blog.s135.com/soft/linux/nginx_php/phpfpm/php-5.2.8-fpm-0.5.10.diff.gz wget http://blog.s135.com/soft/linux/nginx_php/mysql/mysql-5.1.30.tar.gz wget http://blog.s135.com/soft/linux/nginx_php/libiconv/libiconv-1.12.tar.gz wget http://blog.s135.com/soft/linux/nginx_php/mcrypt/libmcrypt-2.5.8.tar.gz wget http://blog.s135.com/soft/linux/nginx_php/mcrypt/mcrypt-2.6.7.tar.gz wget http://blog.s135.com/soft/linux/nginx_php/memcache/memcache-2.2.4.tgz wget http://blog.s135.com/soft/linux/nginx_php/mhash/mhash-0.9.9.tar.gz wget http://blog.s135.com/soft/linux/nginx_php/pcre/pcre-7.8.tar.gz wget http://blog.s135.com/soft/linux/nginx_php/eaccelerator/eaccelerator-0.9.5.3.tar.bz2 wget http://blog.s135.com/soft/linux/nginx_php/pdo/PDO_MYSQL-1.0.2.tgz
二、安装PHP 5.2.8(FastCGI模式) 1、编译安装PHP 5.2.8所需的支持库: tar zxvf libiconv-1.12.tar.gz
cd libiconv-1.12/ ./configure --prefix=/usr/local make make install cd ../ tar zxvf libmcrypt-2.5.8.tar.gz cd libmcrypt-2.5.8/ ./configure make make install /sbin/ldconfig cd libltdl/ ./configure --enable-ltdl-install make make install cd ../../ tar zxvf mhash-0.9.9.tar.gz cd mhash-0.9.9/ ./configure make make install cd ../ ln -s /usr/local/lib/libmcrypt.la /usr/lib/libmcrypt.la ln -s /usr/local/lib/libmcrypt.so /usr/lib/libmcrypt.so ln -s /usr/local/lib/libmcrypt.so.4 /usr/lib/libmcrypt.so.4 ln -s /usr/local/lib/libmcrypt.so.4.4.8 /usr/lib/libmcrypt.so.4.4.8 ln -s /usr/local/lib/libmhash.a /usr/lib/libmhash.a ln -s /usr/local/lib/libmhash.la /usr/lib/libmhash.la ln -s /usr/local/lib/libmhash.so /usr/lib/libmhash.so ln -s /usr/local/lib/libmhash.so.2 /usr/lib/libmhash.so.2 ln -s /usr/local/lib/libmhash.so.2.0.1 /usr/lib/libmhash.so.2.0.1 tar zxvf mcrypt-2.6.7.tar.gz cd mcrypt-2.6.7/ /sbin/ldconfig ./configure make make install cd ../ ?
/usr/sbin/groupadd mysql
/usr/sbin/useradd -g mysql mysql tar zxvf mysql-5.1.30.tar.gz cd mysql-5.1.30/ ./configure --prefix=/usr/local/webserver/mysql/ --enable-assembler --with-extra-charsets=complex --enable-thread-safe-client --with-big-tables --with-readline --with-ssl --with-embedded-server --enable-local-infile --with-innodb make && make install chmod +w /usr/local/webserver/mysql chown -R mysql:mysql /usr/local/webserver/mysql cp support-files/my-medium.cnf /usr/local/webserver/mysql/my.cnf cd ../ ?
/usr/local/webserver/mysql/bin/mysql_install_db --basedir=/usr/local/webserver/mysql --datadir=/usr/local/webserver/mysql/data --user=mysql
/bin/sh /usr/local/webserver/mysql/bin/mysqld_safe --defaults-file=/usr/local/webserver/mysql/my.cnf &
?
tar zxvf php-5.2.8.tar.gz
gzip -cd php-5.2.8-fpm-0.5.10.diff.gz | patch -d php-5.2.8 -p1 cd php-5.2.8/ ./configure --prefix=/usr/local/webserver/php --with-config-file-path=/usr/local/webserver/php/etc --with-mysql=/usr/local/webserver/mysql --with-mysqli=/usr/local/webserver/mysql/bin/mysql_config --with-iconv-dir=/usr/local --with-freetype-dir --with-jpeg-dir --with-png-dir --with-zlib --with-libxml-dir=/usr --enable-xml --disable-rpath --enable-discard-path --enable-safe-mode --enable-bcmath --enable-shmop --enable-sysvsem --enable-inline-optimization --with-curl --with-curlwrappers --enable-mbregex --enable-fastcgi --enable-fpm --enable-force-cgi-redirect --enable-mbstring --with-mcrypt --with-gd --enable-gd-native-ttf --with-openssl --with-mhash --enable-pcntl --enable-sockets make ZEND_EXTRA_LIBS='-liconv' make install cp php.ini-dist /usr/local/webserver/php/etc/php.ini cd ../ ?
tar zxvf memcache-2.2.4.tgz
cd memcache-2.2.4/ /usr/local/webserver/php/bin/phpize ./configure --with-php-config=/usr/local/webserver/php/bin/php-config make make install cd ../ tar jxvf eaccelerator-0.9.5.3.tar.bz2 cd eaccelerator-0.9.5.3/ /usr/local/webserver/php/bin/phpize ./configure --enable-eaccelerator=shared --with-php-config=/usr/local/webserver/php/bin/php-config make make install cd ../ tar zxvf PDO_MYSQL-1.0.2.tgz cd PDO_MYSQL-1.0.2/ /usr/local/webserver/php/bin/phpize ./configure --with-php-config=/usr/local/webserver/php/bin/php-config --with-pdo-mysql=/usr/local/webserver/mysql make make install cd ../
sed -i 's#extension_dir = "./"#extension_dir = "/usr/local/webserver/php/lib/php/extensions/no-debug-non-zts-20060613/"\nextension = "memcache.so"\nextension = "pdo_mysql.so"\n#' /usr/local/webserver/php/etc/php.ini
sed -i 's#output_buffering = Off#output_buffering = On#' /usr/local/webserver/php/etc/php.ini
mkdir -p /usr/local/webserver/eaccelerator_cache
vi /usr/local/webserver/php/etc/php.ini
引用
[eaccelerator]
zend_extension="/usr/local/webserver/php/lib/php/extensions/no-debug-non-zts-20060613/eaccelerator.so" eaccelerator.shm_size="128" eaccelerator.cache_dir="/usr/local/webserver/eaccelerator_cache" eaccelerator.enable="1" eaccelerator.optimizer="1" eaccelerator.check_mtime="1" eaccelerator.debug="0" eaccelerator.filter="" eaccelerator.shm_max="0" eaccelerator.shm_ttl="300" eaccelerator.shm_prune_period="120" eaccelerator.shm_only="0" eaccelerator.compress="1" eaccelerator.compress_level="9"
vi /etc/sysctl.conf
引用
kernel.shmmax = 134217728
/sbin/sysctl -p
?
/usr/sbin/groupadd www
/usr/sbin/useradd -g www www mkdir -p /data0/htdocs/blog chmod +w /data0/htdocs/blog chown -R www:www /data0/htdocs/blog mkdir -p /data0/htdocs/www chmod +w /data0/htdocs/www chown -R www:www /data0/htdocs/www
rm -f /usr/local/webserver/php/etc/php-fpm.conf
vi /usr/local/webserver/php/etc/php-fpm.conf
<textarea class="xml" style="display: none;" cols="100" rows="15" name="code"><?xml version="1.0" ?> <configuration> ?All relative paths in this config are relative to php's install prefix ?<section name="global_options"> ? ?Pid file ? ?<value name="pid_file">/usr/local/webserver/php/logs/php-fpm.pid</value> ? ?Error log file ? ?<value name="error_log">/usr/local/webserver/php/logs/php-fpm.log</value> ? ?Log level ? ?<value name="log_level">notice</value> ? ?When this amount of php processes exited with SIGSEGV or SIGBUS ... ? ?<value name="emergency_restart_threshold">10</value> ? ?... in a less than this interval of time, a graceful restart will be initiated. ? ?Useful to work around accidental curruptions in accelerator's shared memory. ? ?<value name="emergency_restart_interval">1m</value> ? ?Time limit on waiting child's reaction on signals from master ? ?<value name="process_control_timeout">5s</value> ? ?Set to 'no' to debug fpm ? ?<value name="daemonize">yes</value> ?</section> ?<workers> ? ?<section name="pool"> ? ? ?Name of pool. Used in logs and stats. ? ? ?<value name="name">default</value> ? ? ?Address to accept fastcgi requests on. ? ? ?Valid syntax is 'ip.ad.re.ss:port' or just 'port' or '/path/to/unix/socket' ? ? ?<value name="listen_address">127.0.0.1:9000</value> ? ? ?<value name="listen_options"> ? ? ? ?Set listen(2) backlog ? ? ? ?<value name="backlog">-1</value> ? ? ? ?Set permissions for unix socket, if one used. ? ? ? ?In Linux read/write permissions must be set in order to allow connections from web server. ? ? ? ?Many BSD-derrived systems allow connections regardless of permissions. ? ? ? ?<value name="owner"></value> ? ? ? ?<value name="gro
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