synchronization

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> 本文作者:丁辉
# Bitnami部署Mysql主从
1. 创建持久化目录
```bash
mkdir -p /opt/mysql/data
chmod 777 /opt/mysql/data
```
2. 部署 Master 容器
```bash
docker run --name mysql-master --restart=always \
-p 3306:3306 \
-v /opt/mysql/data:/bitnami/mysql/data \
-e MYSQL_ROOT_PASSWORD=root \
-e MYSQL_REPLICATION_MODE=master \
-e MYSQL_REPLICATION_USER=slave \
-e MYSQL_REPLICATION_PASSWORD=slave_password \
-e MYSQL_AUTHENTICATION_PLUGIN=mysql_native_password \
-d bitnami/mysql:latest
```
3. 部署 Slave 容器
```bash
docker run --name mysql-slave --restart=always \
-p 3306:3306 \
-v /opt/mysql/data:/bitnami/mysql/data \
-e MYSQL_MASTER_HOST=<MYSQL_MASTER_HOST> \
-e MYSQL_MASTER_ROOT_PASSWORD=root \
-e MYSQL_MASTER_PORT_NUMBER=3306 \
-e MYSQL_REPLICATION_MODE=slave \
-e MYSQL_REPLICATION_USER=slave \
-e MYSQL_REPLICATION_PASSWORD=slave_password \
-e MYSQL_AUTHENTICATION_PLUGIN=mysql_native_password \
-d bitnami/mysql:latest
```
4. 进入 Slave 容器
```bash
docker exec -it mysql-slave bash
mysql -u root -proot
```
5. 查看同步状态
```bash
show slave status\G;
```
> 切记请勿在主使用清空 GTID 信息命令,会使主从状态失效