负载均衡工具haproxy安装,配置,使用.doc

一，什么是haproxyHAProxy提供高可用性、负载均衡以及基于TCP和HTTP应用的代 理，支持虚拟主机，它是免费、快速并且可靠的一种解决方案。HAProxy特别适用于那些负载特大的web站点，这些站点通常又需要会话保持或七层处理。HAProxy运行在当前的硬件上，完全可以支持数以万计的并发连接。并且它的运行模式使得它可以很简单安全的整合进您当前的架构中， 同时可以保护你的web服务器不被暴露到网络上。二，安装haproxy下载列表地址http:/haproxy.1wt.eu#wget http:/haproxy.1wt.eu/download/1.4/src/haproxy-1.4.8.tar.gz#tar zxvf haproxy-1.4.8.tar.gz#cd haproxy-1.4.8#uname -a /查看linux内核版本#make TARGET=linux26 PREFIX=/usr/local/haproxy#make install PREFIX=/usr/local/haproxy三，配置haproxy#vi /usr/local/haproxy/haproxy.cfg修改配置文件为globalmaxconn 5120chroot /usr/local/haproxyuid 99gid 99daemonquietnbproc2pidfile /usr/local/haproxy/haproxy.piddefaultslog globalmodehttpoptionhttplogoptiondontlognulllog local3retries 3option redispatchmaxconn 2000contimeout5000clitimeout50000srvtimeout50000listen webinfo :1080 mode http balance roundrobin option httpclose option forwardforserver phpinfo1 :10000 check weight 1 minconn 1 maxconn 3 check inter 40000server phpinfo2 :80 check weight 1 minconn 1 maxconn 3 check inter 40000listen webmb :1081 mode http balance roundrobin option httpclose option forwardforserver webmb1 1:10000 weight 1 minconn 1 maxconn 3 check inter 40000server webmb2 :10000 weight 1 minconn 1 maxconn 3 check inter 40000listen stats :8888 mode http transparent stats uri / haproxy-stats stats realm Haproxy statistic stats auth zhangy:xtajmd三，启动haproxy#启动haproxy/usr/local/haproxy/haproxy -f /usr/local/haproxy/haproxy.cfg#查看是否启动zhangyBlackGhost haproxy$ ps -e|grep haproxy4859 ?00:00:00 haproxy4860 ?00:00:00 haproxy四，压力测试rootBlackGhost haproxy# /usr/local/bin/webbench -c 100 -t 30 http:/localhost:1080/phpinfo.phpWebbench Simple Web Benchmark 1.5Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.Benchmarking: GET http:/localhost:1080/phpinfo.php100 clients, running 30 sec.Speed=26508 pages/min, 20929384 bytes/sec.Requests: 13254 susceed, 0 failed.说明：haproxy监听的端口是1080，代理:10000，:10000统计监听的是8888端口 http:/localhost:8888/haproxy-statshaproxy负载均衡配置说明：1.4系列参考配置文件http:/haproxy