本篇博客将探讨如何在Spring Cloud Alibaba项目中配置Nacos配置中心的集群和负载均衡。我们将介绍配置Nacos集群以及实现负载均衡的方法,帮助您构建高可用的配置中心。
Spring Cloud Alibaba提供了Nacos作为配置中心,使得在微服务架构中管理和分发配置变得更加便捷。为了确保高可用性和性能,配置Nacos集群和负载均衡是很重要的。本文将分享如何配置Nacos集群以及在使用中实现负载均衡。
集群配置文件
vim /root/cluster/nacos01/conf/cluster.conf vim /root/cluster/nacos02/conf/cluster.conf vim /root/cluster/nacos03/conf/cluster.conf vim /root/cluster/nacos04/conf/cluster.conf vim /root/cluster/nacos05/conf/cluster.conf
host:
192.168.66.100:8851 192.168.66.100:8852 192.168.66.100:8853 192.168.66.100:8854 192.168.66.100:8855
config:
vim /root/cluster/nacos01/conf/application.properties
mysql:
spring.datasource.platform=mysql
db.num=1
db.url.0=jdbc:mysql://192.168.66.100:3306/nacos_config?characterEncoding=utf8&connectTi meout=1000&socketTimeout=3000&autoReconnect=true&useUnicode=true&useSSL=false&se rverTimezone=Asia/Shanghai db.user.0=root db.password.0=root
启动集群: sh /root/cluster/nacos01/bin/startup.sh
关闭: sh /root/cluster/nacos01/bin/shutdown.sh sh /root/cluster/nacos02/bin/shutdown.sh
JVM 调整: vim /root/cluster/nacos01/bin/startup.sh 访问地址: 192.168.66.100:8851/nacos/ 192.168.66.100:8852 192.168.66.100:8853 192.168.66.100:8854 192.168.66.100:8855
负载均衡:
upstream nacos-servers { server 192.168.66.100:8851; server 192.168.66.100:8852; server 192.168.66.100:8853; server 192.168.66.100:8854; server 192.168.66.100:8855; }
server { listen 9999; server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
location / { #root html; #index index.html index.htm; proxy_pass http://nacos-servers; }
集群配置文件
vim /root/cluster/nacos01/conf/cluster.conf
vim /root/cluster/nacos02/conf/cluster.conf
vim /root/cluster/nacos03/conf/cluster.conf
vim /root/cluster/nacos04/conf/cluster.conf
vim /root/cluster/nacos05/conf/cluster.conf
host:
192.168.66.100:8851
192.168.66.100:8852
192.168.66.100:8853
192.168.66.100:8854
192.168.66.100:8855
config:
vim /root/cluster/nacos01/conf/application.properties
mysql:
spring.datasource.platform=mysql
### Count of DB:
db.num=1
### Connect URL of DB:
db.url.0=jdbc:mysql://192.168.66.100:3306/nacos_config?characterEncoding=utf8&connectTi
meout=1000&socketTimeout=3000&autoReconnect=true&useUnicode=true&useSSL=false&se
rverTimezone=Asia/Shanghai
db.user.0=root
db.password.0=root
启动集群:
sh /root/cluster/nacos01/bin/startup.sh
关闭:
sh /root/cluster/nacos01/bin/shutdown.sh
sh /root/cluster/nacos02/bin/shutdown.sh
JVM 调整:
vim /root/cluster/nacos01/bin/startup.sh
访问地址:
192.168.66.100:8851/nacos/
192.168.66.100:8852
192.168.66.100:8853
192.168.66.100:8854
192.168.66.100:8855
日志:
tail -f /root/cluster/nacos03/logs/start.out
负载均衡:
upstream nacos-servers {
server 192.168.66.100:8851;
server 192.168.66.100:8852;
server 192.168.66.100:8853;
server 192.168.66.100:8854;
server 192.168.66.100:8855;
}
server {
listen 9999;
server_name localhost;
#charset koi8-r;
#access_log logs/host.access.log main;
location / {
#root html;
#index index.html index.htm;
proxy_pass http://nacos-servers;
}
启动Nginx
加载配置启动
./nginx -c /usr/nginx/conf/nginx.conf
查看是否启动
ps -ef|grep nginx
通过Nginx访问Nacos
http://192.168.127.154:9999/nacos
通过配置Nacos集群和实现负载均衡,您可以确保Spring Cloud Alibaba项目的配置中心具备高可用性和性能。集群模式保证了数据的一致性,负载均衡则提高了配置中心的可扩展性。