安装部署
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
#---------------------------------------------------------------------
# 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 2
haproxy.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