haproxy的配置安装
1、下载haproxy:http://www.haproxy.org/
2、指定目录安装
mkdir -p /usr/local/haproxy
tar -xvf haproxy-1.4.tar.gz
make TARGET=linux26 PREFIX=/usr/local/haproxy #系统内核版本2.6
make install PREFIX=/usr/local/haproxy
3、调整配置文件：
（192.168.1.32:20001-192.168.1.35:20001是node节点）
cat /etc/haproxy.cfg
global
# log 127.0.0.1 local3 debug
maxconn 20480
chroot /usr/local/haproxy
uid 0
gid 0
daemon
quiet
nbproc 4 #提升性能关键参数
pidfile /var/run/haproxy.pid
spread-checks 2
ulimit-n 82000
defaults
log global
timeout server 3s
timeout connect 3s
timeout client 30s
timeout http-request 3s
timeout queue 3s
mode tcp
balance static-rr
# balance roundrobin
# balance source
maxconn 10000
listen redis_cluster *:60001
mode tcp
balance static-rr
maxconn 10000
option httplog
option dontlognull
option logasap
option forwardfor
option httpclose
# option redis-check
server tm1 192.168.1.32:20001 weight 1 maxconn 10000 check inter 1s rise 2 fall 1
server tm2 192.168.1.33:20001 weight 1 maxconn 10000 check inter 1s rise 2 fall 1
server tm3 192.168.1.34:20001 weight 1 maxconn 10000 check inter 1s rise 2 fall 1
server tm4 192.168.1.35:20001 weight 1 maxconn 10000 check inter 1s rise 2 fall 1
listen admin_status
mode http
bind *:8083
option httplog
log global
stats enable
stats refresh 10s
# stats hide-version
stats realm Haproxy Statistics
stats uri /status
stats auth zhaogp:1234
stats admin if TRUE
4、启动：
haproxy -D -f /etc/haproxy.cfg -p /var/run/haproxy.pid
5、监控：
查看状态：http://localhost:8083/status
用户密码：zhaogp/1234
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