安装部署
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cp haproxy-systemd-wrapper /usr/sbin/ cp haproxy /usr/sbin chmod +x /usr/sbin/haproxy chmod +x /usr/sbin/haproxy-systemd-wrapper mkdir -p /etc/haproxy vi /etc/haproxy/haproxy.cfg useradd haproxy chown -R haproxy:haproxy /etc/haproxy mkdir /var/lib/haproxy chown -R haproxy:haproxy /var/lib/haproxy vi /etc/sysconfig/haproxy # Add extra options to the haproxy daemon here. This can be useful for # specifying multiple configuration files with multiple -f options. # See haproxy(1) for a complete list of options. OPTIONS="" vi /usr/lib/systemd/system/haproxy.service [Unit] Description=HAProxy Load Balancer After=syslog.target network.target [Service] EnvironmentFile=/etc/sysconfig/haproxy ExecStart=/usr/sbin/haproxy-systemd-wrapper -f /etc/haproxy/haproxy.cfg -p /run/haproxy.pid $OPTIONS ExecReload=/bin/kill -USR2 $MAINPID KillMode=mixed [Install] WantedBy=multi-user.target systemctl daemon-reload systemctl restart haproxy安装步骤
配置文件说明
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#--------------------------------------------------------------------- # 全局设定部分 #--------------------------------------------------------------------- global defaults log global mode tcp option dontlognull timeout connect 5000 timeout client 50000 timeout server 50000 #--------------------------------------------------------------------- # HAPROXY状态页面 #--------------------------------------------------------------------- listen admin_stats stats enable # 监听端口 bind *:12345 mode http option httplog log global maxconn 10 # 刷新间隔 stats refresh 30s # 页面路径 stats uri / stats realm haproxy # 访问认证 stats auth admin:password stats hide-version #--------------------------------------------------------------------- # TCP转发及负载均衡及简单TCP可用性校验 # weight权重;check inter检测频率;rise 1一次可用恢复;fall 2两次失败降级 #--------------------------------------------------------------------- frontend tidb-in bind *:10000 maxconn 80000 default_backend tidb backend tidb #使用HTTP对URI路径可用性进行检测 #option httpchk #http-check send meth GET uri /check.html #http-check expect status 200 server tidb-1 10.30.92.70:4000 maxconn 40480 weight 10 check inter 10s rise 1 fall 2 server tidb-2 10.30.92.71:4000 maxconn 40480 weight 10 check inter 10s rise 1 fall 2 server tidb-3 10.30.92.73:4000 maxconn 44440 weight 10 check inter 10s rise 1 fall 2haproxy.cfg
负载均衡配置
haproxy可以不需要虚拟vip,可以在多台主机上同时部署haproxy并且进行同样的配置,这样客户端无论连接哪台haproxy主机都能把请求转发到后台的服务主机上进行处理
标签:haproxy,stats,数据库,代理,etc,usr,tidb,check From: https://www.cnblogs.com/yxh168/p/17564935.html