update

content/post/mysql-group-replication.md

@@ -17,66 +17,66 @@ mysql_33 | 192.168.1.33 | centos7.7 | 8.0.19
 - 懒得写了 ...
 
 ## 修改 my.cnf
-    ```
-    # mysql_11(选择一个)
-    server-id = 11
-    # mysql_22(选择一个)
-    server-id = 22
-    # mysql_33(选择一个)
-    server-id = 33
-    
-    # 开启 binlog
-    log-bin = /var/log/mysql-bin/master
-    binlog-format = ROW
-    # 关闭 binlog 校验
-    binlog-checksum = NONE
-    # 保留 2 天的 binlog
-    binlog-expire-logs-seconds = 172800
-    # 开启 gtid
-    gtid-mode = ON
-    enforce-gtid-consistency = TRUE
-    # 指定 relay-log 存储位置
-    relay-log = /var/lib/mysql-bin/slave
-    # relay-log 更新计入 binlog
-    log-slave-updates = TRUE
-    
-    # 多线程执行从库日志(可选)
-    slave-parallel-workers = 2
-    slave-parallel-type = LOGICAL_CLOCK
-    slave-preserve-commit-order = ON
-    
-    # 存储引擎只能用 InnoDB
-    disabled-storage-engines = "MyISAM,BLACKHOLE,FEDERATED,ARCHIVE,MEMORY"
-    # 加载插件，克隆插件用于快速 state transfer
-    plugin-load-add = "group_replication.so;mysql_clone.so"
-    # 集群 uuid
-    group-replication-group-name = "aaaa1111-bbbb-2222-cccc-3333dddd4444"
-    
-    # mysql_11(选择一个)
-    group-replication-local-address = "192.168.1.11:33061"
-    # mysql_22(选择一个)
-    group-replication-local-address = "192.168.1.22:33061"
-    # mysql_33(选择一个)
-    group-replication-local-address = "192.168.1.33:33061"
-    
-    # 种子节点
-    group-replication-group-seeds = "192.168.1.11:33061,192.168.1.22:33061,192.168.1.33:33061"
-    # 新主库在执行完自己的从库日志后，再处理用户的写请求
-    group-replication-consistency = BEFORE_ON_PRIMARY_FAILOVER
-    # 启动时，不自动创建/初始化新集群
-    group-replication-bootstrap-group = OFF
-    # 新节点启动时，先不启动组复制，待手动配置完成并确认正常后，再把 OFF 改成 ON
-    group-replication-start-on-boot = OFF
-    
-    # 怀疑某节点不可用，2秒内，如果该嫌疑节点依旧无响应，则开除它(可选)
-    group-replication-member-expel-timeout = 2
-    # 2秒内，依旧连接不上主网(majority)，则退出组复制，进入 ERROR 状态(可选)
-    group-replication-unreachable-majority-timeout = 2
-    # 退出组复制后，不再尝试重新加入组复制，直接执行指定的退出动作(默认)
-    group-replication-autorejoin-tries = 0
-    # 指定退出动作: 数据库设置超级只读并关闭客户端连接(推荐)
-    group-replication-exit-state-action = OFFLINE_MODE
-    ```
+```
+# mysql_11(选择一个)
+server-id = 11
+# mysql_22(选择一个)
+server-id = 22
+# mysql_33(选择一个)
+server-id = 33
+
+# 开启 binlog
+log-bin = /var/log/mysql-bin/master
+binlog-format = ROW
+# 关闭 binlog 校验
+binlog-checksum = NONE
+# 保留 2 天的 binlog
+binlog-expire-logs-seconds = 172800
+# 开启 gtid
+gtid-mode = ON
+enforce-gtid-consistency = TRUE
+# 指定 relay-log 存储位置
+relay-log = /var/lib/mysql-bin/slave
+# relay-log 更新计入 binlog
+log-slave-updates = TRUE
+
+# 多线程执行从库日志(可选)
+slave-parallel-workers = 2
+slave-parallel-type = LOGICAL_CLOCK
+slave-preserve-commit-order = ON
+
+# 存储引擎只能用 InnoDB
+disabled-storage-engines = "MyISAM,BLACKHOLE,FEDERATED,ARCHIVE,MEMORY"
+# 加载插件，克隆插件用于快速 state transfer
+plugin-load-add = "group_replication.so;mysql_clone.so"
+# 集群 uuid
+group-replication-group-name = "aaaa1111-bbbb-2222-cccc-3333dddd4444"
+
+# mysql_11(选择一个)
+group-replication-local-address = "192.168.1.11:33061"
+# mysql_22(选择一个)
+group-replication-local-address = "192.168.1.22:33061"
+# mysql_33(选择一个)
+group-replication-local-address = "192.168.1.33:33061"
+
+# 种子节点
+group-replication-group-seeds = "192.168.1.11:33061,192.168.1.22:33061,192.168.1.33:33061"
+# 新主库在执行完自己的从库日志后，再处理用户的写请求
+group-replication-consistency = BEFORE_ON_PRIMARY_FAILOVER
+# 启动时，不自动创建/初始化新集群
+group-replication-bootstrap-group = OFF
+# 新节点启动时，先不启动组复制，待手动配置完成并确认正常后，再把 OFF 改成 ON
+group-replication-start-on-boot = OFF
+
+# 怀疑某节点不可用，2秒内，如果该嫌疑节点依旧无响应，则开除它(可选)
+group-replication-member-expel-timeout = 2
+# 2秒内，依旧连接不上主网(majority)，则退出组复制，进入 ERROR 状态(可选)
+group-replication-unreachable-majority-timeout = 2
+# 退出组复制后，不再尝试重新加入组复制，直接执行指定的退出动作(默认)
+group-replication-autorejoin-tries = 0
+# 指定退出动作: 数据库设置超级只读并关闭客户端连接(推荐)
+group-replication-exit-state-action = OFFLINE_MODE
+```
 
 ## 初始化集群
 - 重新启动节点 mysql_11