分布式商城搭建：从数据库到缓存的全面部署-优快云博客

本文链接：https://blog.youkuaiyun.com/weixin_71132847/article/details/131072103

本文详细介绍了在一个分布式环境中搭建商城系统的步骤，包括设置三台服务器的主机名和IP，配置hosts文件，关闭防火墙和SELINUX，设置YUM源，以及数据库MySQL的主从复制，Mycat的读写分离，Zookeeper的分布式服务和Kafka的消息队列，最后还涉及了Redis缓存数据库的安装和网站前端的Nginx负载均衡配置。整个过程覆盖了数据库、中间件和缓存等关键组件，为构建高可用的分布式商城系统奠定了基础。

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环境准备：
三台节点
主机名 IP
gpmall-1 192.168.62.10
gpmall-2 192.168.62.20
gpmall-3 192.168.62.30
[root@gpmall-1 ~]# hostnamectl set-hostname mycat
[root@localhost ~]# bash
[root@localhost ~]# hostnamectl set-hostname db1
[root@localhost ~]# bash
[root@localhost ~]# hostnamectl set-hostname db2
[root@localhost ~]# bash
HOSTS
[root@mycat ~]# vi /etc/hosts
192.168.62.10 mycat
192.168.62.20 db1
192.168.62.30 db2
192.168.62.10 zookeeper1
192.168.62.20 zookeeper2
192.168.62.30 zookeeper3
192.168.62.10 redis
192.168.62.10 mysql.mall
192.168.62.10 zk1.mall
192.168.62.20 zk2.mall
192.168.62.30 zk3.mall
192.168.62.10 kafka1.mall
192.168.62.20 kafka2.mall
192.168.62.30 kafka3.mall
192.168.62.10 redis.mall
[root@db1 ~]# vi /etc/hosts
192.168.62.10 mycat
192.168.62.20 db1
192.168.62.30 db2
192.168.62.10 zookeeper1
192.168.62.20 zookeeper2
192.168.62.30 zookeeper3
192.168.62.10 redis
192.168.62.10 mysql.mall
192.168.62.10 zk1.mall
192.168.62.20 zk2.mall
192.168.62.30 zk3.mall
192.168.62.10 kafka1.mall
192.168.62.20 kafka2.mall
192.168.62.30 kafka3.mall
192.168.62.10 redis.mall
[root@db2 ~]# vi /etc/hosts
192.168.62.10 mycat
192.168.62.20 db1
192.168.62.30 db2
192.168.62.10 zookeeper1
192.168.62.20 zookeeper2
192.168.62.30 zookeeper3
192.168.62.10 redis
192.168.62.10 mysql.mall
192.168.62.10 zk1.mall
192.168.62.20 zk2.mall
192.168.62.30 zk3.mall
192.168.62.10 kafka1.mall
192.168.62.20 kafka2.mall
192.168.62.30 kafka3.mall
192.168.62.10 redis.mall
关闭防火墙与SELINUX
[root@mycat ~]#systemctl stop firewalld && systemctl disable firewalld
[root@db1 ~]# systemctl stop firewalld && systemctl disable firewalld
[root@db2 ~]# systemctl stop firewalld && systemctl disable firewalld
[root@mycat ~]# sed -i 's/SELINUX=enforcing/SELINUX=disabled/'g /etc/selinux/config
[root@mycat ~]# setenforce 0
[root@db1 ~]# sed -i 's/SELINUX=enforcing/SELINUX=disabled/'g /etc/selinux/config
[root@db1 ~]# setenforce 0
[root@db2 ~]# sed -i 's/SELINUX=enforcing/SELINUX=disabled/'g /etc/selinux/config
[root@db2 ~]# setenforce 0
YUM源
上传gpmall-repo 到 /mnt/下
DB1
[root@