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关于haproxy:haproxy

yum install haproxy -y

vi /etc/haproxy/haproxy.cfg
<code>

global
log 127.0.0.1 local3
log-send-hostname public-haproxy-primary

chroot /var/lib/haproxy
pidfile /var/run/haproxy.pid
maxconn 512000
user haproxy
group haproxy
daemon

#first  configure
# turn on stats unix socket
stats socket /var/lib/haproxy/stats level admin

#second configure
# turn on stats unix socket
nbproc 8
cpu-map 1 0
cpu-map 2 1
cpu-map 3 2
cpu-map 4 3
cpu-map 5 4
cpu-map 6 5
cpu-map 7 6
cpu-map 8 7

# turn on stats unix socket
stats socket /var/lib/haproxy/stats.1 level admin process 1
stats socket /var/lib/haproxy/stats.2 level admin process 2
stats socket /var/lib/haproxy/stats.3 level admin process 3
stats socket /var/lib/haproxy/stats.4 level admin process 4
stats socket /var/lib/haproxy/stats.5 level admin process 5
stats socket /var/lib/haproxy/stats.6 level admin process 6
stats socket /var/lib/haproxy/stats.7 level admin process 7
stats socket /var/lib/haproxy/stats.8 level admin process 8


defaults
mode                           http
log                               global
option                          httplog
option                          forwardfor
option                          dontlognull
option                          redispatch
retries                          3
timeout http-request  10s
timeout queue            1m
timeout connect         10s
timeout client             100m
timeout server            100m
timeout http-keep-alive 30s
timeout check            10s
maxconn                    512000
#-------------------------------------------------------------------------
#frontend
#-------------------------------------------------------------------------
frontend main
bind *:80
bind *:443 ssl crt /etc/pki/tls/private/xxx.pem crt /etc/pki/tls/private/xxx.pem
default_backend app

#-------------------------------------------------------------------------
#backend
#-------------------------------------------------------------------------
backend app
balance roundrobin
option httpchk OPTIONS * HTTP/1.1\r\nHost:\ www
server app-node1 ip:80 check
server app-node2 ip:80 check
server app-node3 ip:80 check

</code>

/etc/init.d/haproxy start

其它配置

listen game-proxy-server
bind :30001-39999,:50001-58999,:843
mode tcp
server game-servers x.x.x.x





故障判断和操作:1、首先查看端口是否能 telnet 通,查看虚构 ip 绑定在那台机器上,ip a
2、查看 keepalived,haproxy 日志
3、重启 keepalived,haproxy
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