memcached+session
客户端：192.168.1.2nginx：192.168.1.1、192.168.2.1
tomcat1：192.168.2.10（运行memcached主+session）
tomcat2：192.168.2.20（运行memcached备+session）
nginx：
# wget nginx-1.10.1.tar.gz
# tar -zxf nginx-1.10.1.tar.gz
# cd nginx-1.10.1
# groupadd www
# useradd -g www www
# yum -y install openssl openssl-devel pcre
./configure --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --without-http_rewrite_module --with-http_ssl_module && make && make install
# cat/usr/local/nginx/conf/nginx.conf
http {
upstream "tomcatgrp" {
server 192.168.2.10:8080;
server 192.168.2.20:8080;
}
server {
listen 80;
server_namelocalhost;
location / {
proxy_pass http://tomcatgrp;
}
}
}
tomcat1:
安装tomcat1
# wget apache-tomcat-6.0.32.tar.gz
# tar -zxf apache-tomcat-6.0.32.tar.gz
# mv apache-tomcat /usr/local/tomcat
修改/usr/local/tomcat/webapps/ROOT/index.jsp
# cat /usr/local/tomcat/webapps/ROOT/index.jsp
tomcatB 192.168.2.10
安装memcached
# wget libevent-2.0.15-stable.tar.gz
# tar -zxf libevent-2.0.15-stable.tar.gz
# cd libevent-2.0.15-stable
# ./configure && make && make install
# wgetmemcached-1.4.5.tar.gz
# tar -zxf memcached-1.4.5.tar.gz
# cd memcached-1.4.5
# ./configure && make && make install
# find / -name "libevent-2.0.so.5"
# /memcached+session-package/libevent-2.0.15-stable/.libs/libevent-2.0.so.5
# /usr/local/lib/libevent-2.0.so.5
# echo /usr/local/lib/ > /etc/ld.so.conf.d/libevent.conf
# ldconfig -v
配置tomcat把session_id保存在memcached
在tomcat安装链接mamcached的链接工具
# cp /session/*.jar /usr/local/tomcat/lib/
修改tomcat配置文件，链接指定的memcached服务器
tomcat2:
安装tomcat2
# wget apache-tomcat-6.0.32.tar.gz
# tar -zxf apache-tomcat-6.0.32.tar.gz
# mv apache-tomcat /usr/local/tomcat
修改/usr/local/tomcat/webapps/ROOT/index.jsp
# cat /usr/local/tomcat/webapps/ROOT/index.jsp
tomcatB 192.168.2.20
安装memcached
# wget libevent-2.0.15-stable.tar.gz
# tar -zxf libevent-2.0.15-stable.tar.gz
# cd libevent-2.0.15-stable
# ./configure && make && make install
# wgetmemcached-1.4.5.tar.gz
# tar -zxf memcached-1.4.5.tar.gz
# cd memcached-1.4.5
# ./configure && make && make install
# find / -name "libevent-2.0.so.5"
# /memcached+session-package/libevent-2.0.15-stable/.libs/libevent-2.0.so.5
# /usr/local/lib/libevent-2.0.so.5
# echo /usr/local/lib/ > /etc/ld.so.conf.d/libevent.conf
# ldconfig -v
配置tomcat把session_id保存在memcached
在tomcat安装链接mamcached的链接工具
# cp /session/*.jar /usr/local/tomcat/lib/
修改tomcat配置文件，链接指定的memcached服务器
在nginx服务器启动nginx服务
# /usr/local/nginx/sbin/nginx
在tomcat1和2服务器分别启动服务
# /usr/local/bin/memcached-u root -m 200M -n 10 -f 2 -d
# /usr/local/tomcat/bin/startup.sh
客户端测试：在客户端访问nginx服务器，页面在变，session_id不变。
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