下图描述了使用keepalived+Haproxy主从配置来达到能够针对前段流量进行负载均衡到多台后端web1.web2.web3.img1.img2.但是由于haproxy会存在单点故障问题,因此使用keepalived来实现对Haproxy单点问题的高可用处理. 常用开源软件负载均衡器有:Nginx.LVS.Haproxy. 三大主流软件负载均衡器对比(LVS VS Nginx VS Haproxy) LVS:1.抗负载能力强.抗负载能力强.性能高,能达到F5硬件的60%:对内存和cpu…
先看一个ha的配置文件: # # Global settings # global # to have these messages end up in /var/log/haproxy.log you will # need to: # # ) configure syslog to accept network log events. This is done # by adding the ‘-r’ option to the SYSLOGD_OPTIONS in # /etc/sysco…