Dubbo 는 Keepalived + Nginx 로 높 은 웹 부하 균형 을 실현 할 수 있 습 니 다.
6838 단어 dubbo
、
VIP IP Nginx
192.168.229.220 192.168.229.210 edu-proxy-01 88 MASTER
192.168.229.211 edu-proxy-02 88 BACKUP
Nginx
systemctl status firewalld
systemctl stop firewalld
systemctl disable firewalld
systemctl status firewalld
firewall-cmd --state
、 Nginx
1、 Nginx
# yum install gcc gcc-c++ make automake autoconf libtool pcre pcre-devel zlib zlib-devel
openssl openssl-devel
2、 Nginx(nginx-1.6.2.tar.gz) /usr/local/src
3、 Nginx
# cd /usr/local/src/
# tar -zxvf nginx-1.6.2.tar.gz
# cd nginx-1.6.2
# ./configure --prefix=/usr/local/nginx
# make && make install
4、 Nginx
# vi /usr/local/nginx/conf/nginx.conf
user root;
worker_processes 1;
#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
#pid logs/nginx.pid;
events {
worker_connections 1024;
}
http {
include mime.types;
default_type application/octet-stream;
#log_format main '$remote_addr - $remote_user [$time_local] "$request" '
# '$status $body_bytes_sent "$http_referer" '
# '"$http_user_agent" "$http_x_forwarded_for"';
#access_log logs/access.log main;
sendfile on;
#tcp_nopush on;
#keepalive_timeout 0;
keepalive_timeout 65;
#gzip on;
server {
listen 88;
server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
location / {
root html;
index index.html index.htm;
}
#error_page 404 /404.html;
# redirect server error pages to the static page /50x.html
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root html;
}
}
}
Nginx （ ， Nginx） ：
# vi /usr/local/nginx/html/index.html
192.168.229.210 1
Welcome to nginx! 1
192.168.229.211 2
Welcome to nginx! 2
5、 88
# vi /etc/sysconfig/iptables
## Nginx
-A INPUT -m state --state NEW -m tcp -p tcp --dport 88 -j ACCEPT
# service iptables restart
6、 Nginx
# /usr/local/nginx/sbin/nginx -t
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful
7、 Nginx
# /usr/local/nginx/sbin/nginx
Nginx
# /usr/local/nginx/sbin/nginx -s reload
8、 Nginx
# vi /etc/rc.local
：
/usr/local/nginx/sbin/nginx
192.168.229.210:88
192.168.229.211:88
、 Keepalived （ http://www.keepalived.org/download.html ）
1、 keepalived（keepalived-1.2.18.tar.gz） /usr/local/src
2、
# cd /usr/local/src
# tar -zxvf keepalived-1.2.18.tar.gz
# cd keepalived-1.2.18
# ./configure --prefix=/usr/local/keepalived
# make && make install
3、 keepalived Linux ：
keepalived （ /usr/local）, ，
# mkdir /etc/keepalived
# cp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived/
keepalived
------------------------------------------------------------------------
# cp /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/
# cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
# ln -s /usr/local/sbin/keepalived /usr/sbin/
# ln -s /usr/local/keepalived/sbin/keepalived /sbin/
keepalived ，
cp /usr/local/keepalived/sbin/keepalived /usr/sbin/
[root@edu-proxy-02 ~]# cp /usr/local/keepalived/sbin/keepalived /sbin/
-------------------------------------------------------------------------
keepalived
# chkconfig keepalived on
4、 Keepalived
(1) MASTER （192.168.229.210）
# vi /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
## keepalived sendmail 。 SMTP
router_id edu-proxy-01 ## ， hostname
}
## keepalived ， vrrp_instance 。
0， weight 0， 。 0， weight
0， 。 ， ， priority
。
vrrp_script chk_nginx {
script "/etc/keepalived/nginx_check.sh" ## nginx
interval 2 ##
weight -20 ## ， -20
}
## ，VI_1 ，
vrrp_instance VI_1 {
state MASTER ## MASTER， BACKUP
interface eth1 ## IP ， IP ， eth1 virtual_router_id 51 ## ID ， ， IP , VRID ， MAC
mcast_src_ip 192.168.229.210 ## IP
priority 100 ## ， 0-254，MASTER BACKUP
nopreempt ## nopreempt
advert_int 1 ## ， ， 1s
## ，
authentication {
auth_type PASS
auth_pass 1111 ## ，
}
## track_script instance
track_script {
chk_nginx ## Nginx
}
## IP ,
virtual_ipaddress {
192.168.229.200 ## ip，
}
}
(2)BACKUP （192.168.229.211）:
# vi /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
router_id edu-proxy-02
}
vrrp_script chk_nginx {
script "/etc/keepalived/nginx_check.sh"
interval 2
weight -20
}
vrrp_instance VI_1 {
state BACKUP
interface eth1
virtual_router_id 51
mcast_src_ip 192.168.229.211
priority 90
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
track_script {
chk_nginx
}
virtual_ipaddress {
192.168.229.200
}
}
5、 Nginx /etc/keepalived/nginx_check.sh ( keepalived.conf )
： nginx ， ， keepalived ，keepalied
ip BACKUP 。 ：
# vi /etc/keepalived/nginx_check.sh
#!/bin/bash
A=`ps -C nginx –no-header |wc -l`
if [ $A -eq 0 ];then
/usr/local/nginx/sbin/nginx
sleep 2
if [ `ps -C nginx --no-header |wc -l` -eq 0 ];then
killall keepalived
fi
fi
， ：
# chmod +x /etc/keepalived/nginx_check.sh
6、 Keepalived
# service keepalived start
Starting keepalived: [ OK ]
7、Keepalived+Nginx
(1) 192.168.229.210 Nginx，Keepalived
# /usr/local/nginx/sbin/nginx -s stop
(2) 192.168.229.210 Keepalived，VIP 192.168.229.211
# service keepalived stop
Keepalived ， VIP
VIP MAC，Windows CMD
VIP 192.168.229.211
VIP Nginx ， 192.168.229.211
(3) 192.168.229.210 Keepalived，VIP 192.168.229.210
# service keepalived start
IP
windows
arp -a 192.168.229.200
arp -a 192.168.229.210
Keepalived ：
：service keepalived stop
：service keepalived start
：service keepalived restart
：service keepalived status
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Dubbo 는 Keepalived + Nginx 로 높 은 웹 부하 균형 을 실현 할 수 있 습 니 다.Configuration File for keepalived global_defs { router_id edu-proxy-02 } vrrp_script chk_nginx { script "/etc/keepalived...
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