负载均衡须要的软件和jar包
redis-2.4.14.tar.gz
tcl8.5.11-src.tar.gz
nginx-1.2.0.tar.gz
tomcat-redis-session-manager-1.0.jar
commons-pool-1.6-bin.tar.gz
jedis-2.1.0.jar
第一步 先设备tomcat支撑redis缓存策略
1.把jar拷贝到 ¥TOMCAT_HOME/lib/ 下面
2.批改¥TOMCAT_HOME/conf/context.xml
在最后加上
<Valve className="com.radiadesign.catalina.session.RedisSessionHandlerValve" />
<Manager className="com.radiadesign.catalina.session.RedisSessionManager"
host="localhost"
port="6379"
database="0"
maxInactiveInterval="60"
/>
第二步 安装redis应用景象
安装redis依附库
tcl8.5.11-src.tar.gz
tar zxvf tcl8.5.11-src.tar.gz
cd tcl8.5.11/unix
./configure --prefix=/usr
--enable-threads
--mandir=/usr/share/man &&
make &&
sed -i
-e "s@^(TCL_SRC_DIR="").*@1/usr/include""@"
-e "/TCL_B/s@=""(-L)\?.*unix@=""1/usr/lib@"
tclConfig.sh
make install &&
make install-private-headers &&
ln -v -sf tclsh8.5 /usr/bin/tclsh &&
chmod -v 755 /usr/lib/libtcl8.5.so
ln -v -sf tclsh8.5 /usr/bin/tclsh
ldconfig -p |grep ""tcl""
libtcl8.5.so (libc6,x86-64) => /usr/lib/libtcl8.5.so
libtcl8.4.so (libc6,x86-64) => /usr/lib64/libtcl8.4.so
libOpenIPMItcl.so.0 (libc6,x86-64) => /usr/lib64/libOpenIPMItcl.so.0
呈现 libtcl8.5.so申明安装成功。
开端安装redis
tar zxvf redis-2.4.14.tar.gz
cd redis-2.4.14
make
make test
make install
echo 1 > /proc/sys/vm/overcommit_memory
sudo -s
mkdir -p /usr/local/redis/bin
mkdir -p /usr/local/redis/etc
mkdir -p /usr/local/redis/var
cp redis-server redis-cli redis-benchmark redis-stat /usr/local/redis/bin/
cp redis.conf /usr/local/redis/etc/
vim redis.conf
当前目次redis.conf是redis的设备文件
daemonize no 将no改为redis后台运行
运行/usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf
./redis-cli是测试客户端脚本(履行这个脚本就可以和redis交互了)
set a b
get a
安装完成
启动toncat 测试 session存储
第三步 安装 nginx
起首安装依附类库
yum -y install pcre-devel //HTTP rewrite module
yum -y install openssl openssl-devel //HTTP cache module requireslibrary
yum install -y zlib-devel // gzib
安装nginx
./configure --prefix=/usr/local/nginx --without-http_rewrite_module
make make install
设备 vi /usr/local/nginx/conf/nginx.conf
//负载均衡主机列表 默认 权重为1
upstream backend
{
server 192.168.1.246:8080;
server 192.168.1.246:9080;
}
server 设备中添加
{
proxy_redirect off;
proxy_set_header Host ¥host;
proxy_set_header X-Real-IP ¥remote_addr;
proxy_set_header X-Forwarded-For ¥proxy_add_x_forwarded_for;
proxy_pass http://backend;
}
// 测试nginx 设备
sbin/nginx -t
重启nginx
kill -HUP `cat /usr/local/nginx/logs/nginx.pid`
over!