Lnmmp

简介

LNMMP=Linux+Nginx+MySQL+Memcache+PHP；

利用Nginx的高性能特点做前端反向代理服务器，分发用户请求，并在能够利用缓存的地方使用Memcache缓存服务，以加速缓存效率，具体架构图如下；

具体部署

代理层：Nginx

编译安装Nginx


yum install gcc openssl-devel pcre-devel zlib-devel

groupadd -r nginx

useradd -r -g nginx -M nginx

./configure   --prefix=/usr/local/nginx   --sbin-path=/usr/sbin/nginx   --conf-path=/etc/nginx/nginx.conf   --error-log-path=/var/log/nginx/error.log   --http-log-path=/var/log/nginx/access.log   --pid-path=/var/run/nginx/nginx.pid    --lock-path=/var/lock/nginx.lock   --user=nginx   --group=nginx   --with-http_ssl_module   --with-http_flv_module   --with-http_stub_status_module   --with-http_gzip_static_module   --http-client-body-temp-path=/var/tmp/nginx/client/   --http-proxy-temp-path=/var/tmp/nginx/proxy/   --http-fastcgi-temp-path=/var/tmp/nginx/fcgi/   --http-uwsgi-temp-path=/var/tmp/nginx/uwsgi   --http-scgi-temp-path=/var/tmp/nginx/scgi   --with-pcre

make && make install

vi /etc/init.d/nginx # 编辑服务脚本

#!/bin/sh

#

# nginx - this script starts and stops the nginx daemon

#

# chkconfig:   - 85 15

# description:  Nginx is an HTTP(S) server, HTTP(S) reverse #               proxy and IMAP/POP3 proxy server

# processname: nginx

# config:      /etc/nginx/nginx.conf

# config:      /etc/sysconfig/nginx

# pidfile:     /var/run/nginx.pid

# Source function library.

. /etc/rc.d/init.d/functions

# Source networking configuration.

. /etc/sysconfig/network

# Check that networking is up.

[ "$NETWORKING" = "no" ] && exit 0

nginx="/usr/sbin/nginx"

prog=$(basename $nginx)

NGINX_CONF_FILE="/etc/nginx/nginx.conf"

[ -f /etc/sysconfig/nginx ] && . /etc/sysconfig/nginx

lockfile=/var/lock/subsys/nginx

make_dirs() {

   # make required directories

   user=`nginx -V 2>&1 | grep "configure arguments:" | sed ‘s/[^*]*--user=\([^ ]*\).*/\1/g‘ -`

   options=`$nginx -V 2>&1 | grep ‘configure arguments:‘`

   for opt in $options; do

       if [ `echo $opt | grep ‘.*-temp-path‘` ]; then

           value=`echo $opt | cut -d "=" -f 2`

           if [ ! -d "$value" ]; then

               # echo "creating" $value

               mkdir -p $value && chown -R $user $value

           fi

       fi

   done

}

start() {

    [ -x $nginx ] || exit 5

    [ -f $NGINX_CONF_FILE ] || exit 6

    make_dirs

    echo -n $"Starting $prog: "

    daemon $nginx -c $NGINX_CONF_FILE

    retval=$?

    echo

    [ $retval -eq 0 ] && touch $lockfile

    return $retval

}

stop() {

    echo -n $"Stopping $prog: "

    killproc $prog -QUIT

    retval=$?

    echo

    [ $retval -eq 0 ] && rm -f $lockfile

    return $retval

}

restart() {

    configtest || return $?

    stop

    sleep 1

    start

}

reload() {

    configtest || return $?

    echo -n $"Reloading $prog: "

    killproc $nginx -HUP

    RETVAL=$?

    echo

}

force_reload() {

    restart

}

configtest() {

  $nginx -t -c $NGINX_CONF_FILE

}

rh_status() {

    status $prog

}

rh_status_q() {

    rh_status >/dev/null 2>&1

}

case "$1" in

    start)

        rh_status_q && exit 0

        $1

        ;;

    stop)

        rh_status_q || exit 0

        $1

        ;;

    restart|configtest)

        $1

        ;;

    reload)

        rh_status_q || exit 7

        $1

        ;;

    force-reload)

        force_reload

        ;;

    status)

        rh_status

        ;;

    condrestart|try-restart)

        rh_status_q || exit 0

            ;;

    *)

        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|configtest}"

        exit 2

esac

配置Nginx


upstream memcached {

        server    172.16.25.111:11211;

        keepalive 1024;

    }

    upstream webserver {

        server    172.16.25.112:80;

        server    172.16.25.113:80;

    }

    upstream phpserver {

        server    172.16.25.112:9000;

        server    172.16.25.113:9000;

    }

    server {

        listen       80;

        server_name  xxrenzhe.lnmmp.com;

    access_log      /var/log/nginx/lnmmp.access.log;

    error_log       /var/log/nginx/lnmmp.errors.log notice;

    root              /www/lnmmp.com;

    index       index.php index.html;

    location / {

        set $memcached_key $request_uri;

        add_header X-mem-key $memcached_key;

        memcached_pass memcached;

        default_type test/html;

        error_page 404 500 502 504 = @webnocache;

    }

    location @webnocache {

        rewrite ^(\/)?$ /index.php last; # 配置直接访问域名或IP地址时，重定向至index.php文件

        rewrite ^/.*$ /set_mem.php?$request_uri last; # 将静态访问重定向至后端set_mem.php，以实现set memcache的功能

        proxy_pass http://webserver;

    }

    location ~* \.php(\?.*)?$ {

        fastcgi_pass phpserver;

        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;

        include fastcgi_params;

    }

启动服务

chmod +x /etc/init.d/nginx

chkconfig --add nginx

chkconfig nginx on

service nginx start

缓存层：Memcache+NFS

安装配置memcache


# 安装libevent

tar xf libevent-2.0.21-stable.tar.gz

cd libevent-2.0.21

./configure --prefix=/usr/local/libevent

make && make install

echo "/usr/local/libevent/lib" > /etc/ld.so.conf.d/libevent.conf

ldconfig

# 安装memcache

tar xf memcached-1.4.15.tar.gz

cd memcached-1.4.15

./configure --prefix=/usr/local/memcached --with-libevent=/usr/local/libevent

make && make install

# 编辑服务脚本 # 一次启动了2个memcache实例，一个用于Nginx，一个用于后端PHP服务

vi /etc/init.d/memcached

#!/bin/bash

#

# Init file for memcached

#

# chkconfig: - 86 14

# description: Distributed memory caching daemon

#

# processname: memcached

# config: /etc/sysconfig/memcached

. /etc/rc.d/init.d/functions

## Default variables

PORT1="11211"

PORT2="11311"

USER="nobody"

MAXCONN="1024"

CACHESIZE="64"

OPTIONS=""

RETVAL=0

prog="/usr/local/memcached/bin/memcached"

desc="Distributed memory caching"

lockfile1="/var/lock/subsys/memcached_$PORT1"

lockfile2="/var/lock/subsys/memcached_$PORT2"

start() {

        echo -n $"Starting $desc (memcached): "

        daemon $prog -d -p $PORT1 -u $USER -c $MAXCONN -m $CACHESIZE -o "$OPTIONS"

daemon $prog -d -p $PORT2 -u $USER -c $MAXCONN -m $CACHESIZE -o "$OPTIONS"

        RETVAL=$?

        [ $RETVAL -eq 0 ] && success && touch $lockfile1 && touch $lockfile2 || failure

        echo

        return $RETVAL

}

stop() {

        echo -n $"Shutting down $desc (memcached): "

        killproc $prog

        RETVAL=$?

        [ $RETVAL -eq 0 ] && success && rm -f $lockfile1 && rm -f $lockfile2 | failure

        echo

        return $RETVAL

}

restart() {

        stop

        start

}

reload() {

        echo -n $"Reloading $desc ($prog): "

        killproc $prog -HUP

        RETVAL=$?

        [ $RETVAL -eq 0 ] && success || failure

        echo

        return $RETVAL

}

case "$1" in

  start)

        start

        ;;

  stop)

        stop

        ;;

  restart)

        restart

        ;;

  condrestart)

        [ -e $lockfile1 ] && [ -e $lockfile1 ] && restart

        RETVAL=$?

        ;;

  reload)

        reload

        ;;

  status)

        status $prog

        RETVAL=$?

        ;;

   *)

        echo $"Usage: $0 {start|stop|restart|condrestart|status}"

        RETVAL=1

esac

exit $RETVAL

启动memcache服务


# 安装libevent

tar xf libevent-2.0.21-stable.tar.gz

cd libevent-2.0.21

./configure --prefix=/usr/local/libevent

make && make install

echo "/usr/local/libevent/lib" > /etc/ld.so.conf.d/libevent.conf

ldconfig

# 安装memcache

tar xf memcached-1.4.15.tar.gz

cd memcached-1.4.15

./configure --prefix=/usr/local/memcached --with-libevent=/usr/local/libevent

make && make install

# 编辑服务脚本 # 一次启动了2个memcache实例，一个用于Nginx，一个用于后端PHP服务

vi /etc/init.d/memcached

#!/bin/bash

#

# Init file for memcached

#

# chkconfig: - 86 14

# description: Distributed memory caching daemon

#

# processname: memcached

# config: /etc/sysconfig/memcached

. /etc/rc.d/init.d/functions

## Default variables

PORT1="11211"

PORT2="11311"

USER="nobody"

MAXCONN="1024"

CACHESIZE="64"

OPTIONS=""

RETVAL=0

prog="/usr/local/memcached/bin/memcached"

desc="Distributed memory caching"

lockfile1="/var/lock/subsys/memcached_$PORT1"

lockfile2="/var/lock/subsys/memcached_$PORT2"

start() {

        echo -n $"Starting $desc (memcached): "

        daemon $prog -d -p $PORT1 -u $USER -c $MAXCONN -m $CACHESIZE -o "$OPTIONS"

daemon $prog -d -p $PORT2 -u $USER -c $MAXCONN -m $CACHESIZE -o "$OPTIONS"

        RETVAL=$?

        [ $RETVAL -eq 0 ] && success && touch $lockfile1 && touch $lockfile2 || failure

        echo

        return $RETVAL

}

stop() {

        echo -n $"Shutting down $desc (memcached): "

        killproc $prog

        RETVAL=$?

        [ $RETVAL -eq 0 ] && success && rm -f $lockfile1 && rm -f $lockfile2 | failure

        echo

        return $RETVAL

}

restart() {

        stop

        start

}

reload() {

        echo -n $"Reloading $desc ($prog): "

        killproc $prog -HUP

        RETVAL=$?

        [ $RETVAL -eq 0 ] && success || failure

        echo

        return $RETVAL

}

case "$1" in

  start)

        start

        ;;

  stop)

        stop

        ;;

  restart)

        restart

        ;;

  condrestart)

        [ -e $lockfile1 ] && [ -e $lockfile1 ] && restart

        RETVAL=$?

        ;;

  reload)

        reload

        ;;

  status)

        status $prog

        RETVAL=$?

        ;;

   *)

        echo $"Usage: $0 {start|stop|restart|condrestart|status}"

        RETVAL=1

esac

exit $RETVAL

安装配置NFS


yum -y install nfs-utils

vi /etc/exports

/www/lnmmp.com 172.16.0.0/16(rw,no_root_squash)

exportfs -ar # 导出NFS共享目录

cd /www/lnmmp.com

unzip phpwind_v9.0_utf8.zip

mv phpwind_v9.0_utf8/upload/* .

chmod -R 777 attachment conf data html res src themes windid

Web层：Apache

Apache的安装见博客"httpd-2.4
编译安装"；

PHP-fpm的安装见博客“LAMP架构之PHP-FPM
服务器”；

PHP加速器opcache的安装配置见博客“LAMP-PHP各加速器性能剖析”；

配置PHP支持memcache


tar xf memcache-2.2.5.tgz

cd memcache-2.2.5

/usr/local/php/bin/phpize

./configure --with-php-config=/usr/local/php/bin/php-config --enable-memcache

make && make install

# 上述安装完后会有类似这样的提示：

Installing shared extensions:     /usr/local/php/lib/php/extensions/no-debug-non-zts-20090626/

vi /usr/local/php/lib/php.ini # 配置memcache模块位置及php会话保存至memcache中

extension=/usr/local/php/lib/php/extensions/no-debug-non-zts-20090626/memcache.so

session.save_handler = memcache

session.save_path = "tcp://172.16.25.111:11311"

# 自定义set memcache的程序

vi /www/lnmmp.com/set_mem.php

<?php

    $fn = dirname(__FILE__).$_SERVER[‘QUERY_STRING‘];

    if (file_exists($fn)) {

        $data = file_get_contents($fn);

        $mem = new Memcache();

        $mem->connect("172.16.25.111",11311) or die("Could not connect");

        $mem->set($_SERVER[‘QUERY_STRING‘],$data,0,600) or die("Failed to save data at the memcached server");

        header(‘Content-Length: ‘.filesize($fn)."\r\n");

        header(‘Content-Type: text/html‘."\r\n");

        header(‘X-cache: MISS‘."\r\n");

        print "$data";

    } else {

        header(‘Location: http://xxrenzhe.lnmmp.com‘."\r\n");

        header(‘Content-Length: ‘.filesize($fn)."\r\n");

        header(‘X-cache: ‘.$fn."\r\n");

    }

?>

Apache配置


vi /etc/httpd/httpd.conf

# DocumentRoot "/usr/local/apache/htdocs" # 注释掉此行

Include /etc/httpd/extra/httpd-vhosts.conf # 取消此行注释

vi /etc/httpd/extra/httpd-vhosts.conf

<VirtualHost *:80>

    DocumentRoot "/www/lnmmp.com"

    ServerName xxrenzhe.lnmmp.com

    ErrorLog "logs/lnmmp.com-error_log"

    CustomLog "logs/lnmmp.com-access_log"common

    <Directory "/www/lnmmp.com">

        Options Indexes FollowSymLinks

        AllowOverride None

        Require all granted

    </Directory>

</VirtualHost>

NFS目录挂载

mount -t nfs 172.16.25.111:/www/lnmmp.com /www/lnmmp.com

服务启动

service httpd start

service php-fpm start 

数据库层：Ameoba+MariaDB

MariaDB的安装详见博客“MySQL初识-架构-安装-初始化-连接-管理工具-数据文件”；

MariaDB的主从复制架构配置见博客“Maria10实现主从复制架构及SSL复制”；

Ameoba安装见“http://docs.hexnova.com/amoeba/index.html”；

Ameoba实现读写分离见“http://docs.hexnova.com/amoeba/rw-splitting.html”

测试验证

Nginx利用memcache缓存小静态文件测试效果

Nginx利用memcache缓存大静态文件测试效果

PHP利用memcache保存session数据测试效果

Lnmmp,布布扣,bubuko.com

时间： 2024-08-15 07:21:12

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