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集群三 php+memcached缓存服务器
nginx+php 安装 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 gd gd-devel curl curl-devel e2fsprogs e2fsprogs-devel krb5-devel libidn libidn-devel openssl openssl-devel openldap openldap-devel nss_ldap openldap-clients openldap-servers pcre pcre-devel ImageMagick ImageMagick-devel git mkdir /hequan && cd /hequan wget http://cn2.php.net/distributions/php-5.6.22.tar.bz2 wget http://ncu.dl.sourceforge.net/project/mhash/mhash/0.9.9.9/mhash-0.9.9.9.tar.gz wget http://nchc.dl.sourceforge.net/project/mcrypt/Libmcrypt/2.5.8/libmcrypt-2.5.8.tar.gz wget http://nchc.dl.sourceforge.net/project/mcrypt/MCrypt/2.6.8/mcrypt-2.6.8.tar.gz wget http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.14.tar.gz wget http://pecl.php.net/get/memcache-2.2.7.tgz wget http://xcache.lighttpd.net/pub/Releases/3.2.0/xcache-3.2.0.tar.gz wget http://pecl.php.net/get/imagick-3.1.2.tgz git clone https://github.com/cfsego/ngx_log_if.git php安装简单版 ./configure --prefix=/usr/local/php --with-config-file-path=/etc --with-mysql --with-mysqli --with-config-file-scan-dir=/etc/php.d --enable-fpm --with-gd --with-iconv --with-zlib --enable-xml --enable-inline-optimization --with-openssl --enable-pcntl --enable-zip --with-curl --with-bz2 --with-jpeg-dir --with-png-dir --enable-mbstring tar -zvxf libiconv-1.14.tar.gz cd libiconv-1.14/srclib sed -i -e ‘/gets is a security/d‘ ./stdio.in.h cd ../ ./configure --prefix=/application/ make make install cd /hequan tar -zxvf libmcrypt-2.5.8.tar.gz cd libmcrypt-2.5.8/ ./configure make make install cd libltdl/ ./configure --enable-ltdl-install make make install cd /hequan tar -zxvf mhash-0.9.9.9.tar.gz cd mhash-0.9.9.9/ ./configure make make install 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 ln -s /usr/local/bin/libmcrypt-config /usr/bin/libmcrypt-config cd /hequan tar -zxvf mcrypt-2.6.8.tar.gz cd mcrypt-2.6.8 export LD_LIBRARY_PATH=/usr/local/lib: LD_LIBRARY_PATH ./configure make make install cd /hequan/ tar -jxvf php-5.6.22.tar.bz2 cd php-5.6.22 ./configure --prefix=/usr/local/php --with-config-file-path=/application/php/etc --enable-fpm --with-fpm-user=www --with-fpm-group=www --with-mysql=mysqlnd --with-mysqli=mysqlnd --with-pdo-mysql=mysqlnd --with-iconv-dir --with-freetype-dir --with-jpeg-dir --with-png-dir --with-zlib --with-libxml-dir=/usr --enable-xml --disable-rpath --enable-magic-quotes --enable-safe-mode --enable-bcmath --enable-shmop --enable-sysvsem --enable-inline-optimization --with-curl --with-curlwrappers --enable-mbregex --enable-mbstring --with-mcrypt --enable-ftp --with-gd --enable-gd-native-ttf --with-openssl --with-mhash --enable-pcntl --enable-sockets --with-xmlrpc --enable-zip --enable-soap --without-pear --with-gettext --disable-fileinfo --enable-maintainer-zts make ZEND_EXTRA_LIBS=‘-liconv‘ make install cp php.ini-production /usr/local/php/etc/php.ini cp sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm chmod u+x /etc/init.d/php-fpm chkconfig --add php-fpm chkconfig php-fpm on groupadd www useradd -s /sbin/nologin -g www -M www mv /usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf ln -s /usr/local/php/etc/php.ini /etc/php.ini ln -s /usr/local/php/etc/php-fpm.conf /etc/php-fpm.conf /usr/local/php/sbin/php-fpm iptables -I INPUT -s 172.16.10.0/24 -p tcp --dport 9000 -j ACCEPT zlib====》提供数据压缩用的函式库 pcre====》rewrite的支持库 openssl====》https的支持库 libiconv====》字符编码转换库 libxml====》XML库 libpng====》图片库 freetype====》字库 libmcrypt====》加密算法 mhash====》加密库 curl====》URL传输 gd====》绘图 yum -y install nfs vim /etc/exports /data/web/ 192.168.50.58/24(rw,sync) /data/web/ 192.168.50.59/24(rw,sync) /data/web/ 192.168.50.60/24(r,sync) /data/web/ 192.168.50.61/24(r,sync) systemctl rstart nfs.service systemctl enable nfs.service yum install nfs-utils -y showmount -e 192.168.50.62 mkdir -p /data/web/ mount -t nfs 192.168.50.62:/data/web/ /data/web echo "<h1>DynamicServer is Health.</h1> " > /data/web/www/health.php echo "<h1>StaticServer is Health.</h1> " > /data/web/www/health.html Memcached 安装 下载 cd /tmp wget http://downloads.sourceforge.net/levent/libevent-2.0.22-stable.tar.gz wget http://www.memcached.org/files/memcached-1.4.33.tar.gz tar zxvf libevent-2.0.22-stable.tar.gz cd libevent-2.0.22-stable ./configure -prefix=/usr/local/ make && make install ls -al /usr/local/lib | grep libevent- cd /tmp tar zxvf memcached-1.4.33.tar.gzsgh5+9 cd memcached-1.4.33 ./configure --with-libevent=/usr/local/ --enable-64bit --enable-threads make && make install ls -al /usr/local/bin/memcached 0sac groupadd memcached useradd -g memcached memcached cd /var/run mkdir memcached chown -R memcached.memcached memcached cp /tmp/memcached-1.4.33/scripts/memcached.sysv /etc/init.d/memcached chown memcached.memcached /etc/init.d/memcached chmod 755 /etc/init.d/memcached vim /etc/init.d/memcached PORT=11211 USER=memcached MAXCONN=1024 CACHESIZE=128 OPTIONS=”” chown $USER /usr/local/bin/memcached /usr/local/bin/memcached –d –p $PORT –u $USER –m $CACHESIZE –c $MAXCONN –P /var/run/memcached/memcached.pid $OPTIONS 启动 chkconfig --add memcached chkconfig --level 235 memcached on chkconfig --list memcached service memcached start ps -ef | grep memcached service memcached stop magent安装 cd /usr/local mkdir magent cd magent tar zxvf magent-0.5.tar.gz vim ketama.h #在开头添加这三行 #ifndef SSIZE_MAX #define SSIZE_MAX 32767 #endif ln -s /usr/lib64/libm.so /usr/lib64/libm.a /sbin/ldconfig sed -i "s#LIBS = -levent#LIBS = -levent -lm#g" Makefile vi Makefile CFLAGS = -lrt -Wall -O2 -g #修改这行 make keepalived设置 主memcache: 开机不启动keepalved memcached vim /etc/keepalived/keepalived.conf ! Configuration File for keepalived global_defs { router_id mem1 } vrrp_script chk_magent { script "/opt/magent.sh" interval 2 } vrrp_script chk_memcached { script "killall -0 memcached" interval 1 weight -20 } vrrp_instance VI_1 { state MASTER interface eth0 virtual_router_id 101 priority 100 advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 192.168.50.199/24 } track_script { chk_magent chk_memcached } notify_master "/etc/keepalived/changemail.py master" notify_backup "/etc/keepalived/changemail.py backup" notify_fault "/etc/keepalived/changemail.py fault" } vim /opt/magent.sh #!/bin/bash k=`ps -ef |grep keepalived |grep -v grep |wc -l` if [ $k -gt 0 ];then /usr/local/magent/magent -u root -n 51200 -l 192.168.50.199 -p 12000 -s 192.168.50.63:11211 -b 192.168.50.64:11211 else pkill -9 magent fi 备用memcache: vim /etc/keepalived/keepalived.conf ! Configuration File for keepalived global_defs { router_id mem2 } vrrp_script chk_magent { script "/opt/magent.sh" interval 2 } vrrp_script chk_memcached { script "killall -0 memcached" interval 1 weight -20 } vrrp_instance VI_1 { state BACKUP interface eth0 virtual_router_id 101 priority 90 advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 192.168.50.199/24 } track_script { chk_magent chk_memcached } notify_master "/etc/keepalived/changemail.py master" notify_backup "/etc/keepalived/changemail.py backup" notify_fault "/etc/keepalived/changemail.py fault" } vim /opt/magent.sh #!/bin/bash k=`ip a |grep 192.168.50.199 |wc -l` if [ $k -gt 0 ];then /usr/local/magent/magent -u root -n 51200 -l 192.168.50.199 -p 12000 -s 192.168.50.53:11211 -b 192.168.50.64:11211 else pkill -9 magent fi 注意:如果将故障的memcached节点修复后,缓存是不会再通过到已修复的节点上的,如果是magent指定的主节点故障,那么主节点的缓存数据会丢失,修复后不能立刻重启memcached服务,如果重启,客户端会去查询主节点的数据。并发高的网站会拖死数据库。因此,建议一般业务低峰期的时候再启动memcached主节点服务。然后通过magent再指定主缓存节点和备缓存节点。 1.若memcached读写的数据多,一定将关掉防火墙或将防火墙设置为不使用跟踪链接表,否则会导致/var/log/message报错“kernel: nf_conntrack: table full, dropping packet”,详情请参考本博客中的博文http://blog.csdn.net/yanggd1987/article/details/45886913。 2.使用service iptables stop关掉,并且不能用iptables -L -vnx查看,因此使用此命令会将防火墙开启,虽然规则是清空的,但仍会记录连接跟踪表。 https://my.oschina.net/kisops/blog/150995 安装php扩展 cd /tmp tar zxvf /software/memcache-3.0.8.tgz -C /tmp cd memcache-3.0.8 /usr/local/php/bin/phpize ./configure --enable-memcache --with-php-config=/usr/local/php/bin/php-config --with-zlib-dir make make install vim /usr/local/php/etc/php.ini extension_dir = "/usr/local/php/lib/php/extensions/no-debug-non-zts-20131226/" extension=memcache.so [Memcache] memcache.allow_failover = 1 memcache.max_failover_attempts=20 memcache.chunk_size =8192 发布discuz unzip /software/Discuz_X3.2_SC_UTF8.zip -d /discuz/ chmod -R 777 /discuz/ #开启memcache支持 vim /discuz/upload/config/config_global.php $_config[‘memory‘][‘memcache‘][‘server‘] = ‘192.168.50.199‘; #magent代理服务器地址 $_config[‘memory‘][‘memcache‘][‘port‘] = 12000; $_config[‘memory‘][‘memcache‘][‘pconnect‘] = 1; $_config[‘memory‘][‘memcache‘][‘timeout‘] = 1; yum install -y telnet telnet 192.168.50.199 12000 stats STAT cmd_get 199 STAT cmd_set 37 STAT cmd_flush 0 STAT cmd_touch 0 STAT get_hits 167 STAT get_misses 32
本文出自 “何全” 博客,请务必保留此出处http://hequan.blog.51cto.com/5701886/1886309
集群三 php+memcached缓存服务器
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