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- [mysqld]
- # --- 1. 基础网络与端口配置 ---
- user = mysql
- port = 3306
- bind-address = 0.0.0.0
- mysqlx-port = 33060
- mysqlx-bind-address = 0.0.0.0
- # --- 2. 目录路径配置 ---
- # 注意：容器内路径。确保 Docker volumes 挂载了这些位置
- datadir = /var/lib/mysql
- log-error = /var/log/mysql/error.log
- secure-file-priv= /var/lib/mysql-files
- # --- 3. 基础性能与存储引擎 ---
- default_storage_engine = InnoDB
- disabled_storage_engines = "MyISAM,BLACKHOLE,FEDERATED,ARCHIVE,EXAMPLE"
- # --- 4. 事务与复制核心配置 (MGR 强制要求) ---
- server_id = 3
- gtid_mode = ON
- enforce_gtid_consistency = ON
- binlog_format = ROW
- log_slave_updates = ON
- binlog_checksum = NONE
- master_info_repository = TABLE
- relay_log_info_repository = TABLE
- transaction_write_set_extraction = XXHASH64
- # --- 5. MGR (Group Replication) 专项配置 ---
- plugin_load_add = 'group_replication.so'
- # 使用 loose- 前缀避免启动时的未知变量错误
- # 集群唯一标识 (必须是标准 UUID)
- loose-group_replication_group_name="235e4553-3508-46c2-b3a3-768fc0c829e2"
- # 节点间同步数据的通信地址（建议使用容器固定 IP）
- loose-group_replication_local_address = "192.168.0.213:33061"
- # 集群种子节点地址列表
- loose-group_replication_group_seeds = "192.168.0.211:33061,192.168.0.212:33061,192.168.0.213:33061"
- # 启动行为
- loose-group_replication_start_on_boot = OFF
- loose-group_replication_bootstrap_group = OFF
- # 模式配置 (推荐单主模式)
- loose-group_replication_single_primary_mode = ON
- loose-group_replication_enforce_update_everywhere_checks = OFF
- # --- 6. 日志与超时优化 ---
- slow_query_log = 1
- slow_query_log_file = /var/log/mysql/slow.log
- long_query_time = 2
- interactive_timeout = 28800
- wait_timeout = 28800
- # 限制 binlog 的总大小或保留天数（MySQL 8.0 推荐使用天数变量）, 7天 = 7 * 24 * 3600 秒，过期自动删除
- binlog_expire_logs_seconds = 604800
- # 限制单个 binlog 文件的大小
- max_binlog_size = 500M
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