MySQL主从复制异步半同步实例

MySQL主从复制异步半同步实例

MySQL主从复制异步半同步实例

1. 建立mysql的复制

   node1:

   mysql> show master status;
   +------------------+----------+--------------+------------------+-------------------+
   | File            | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
   +------------------+----------+--------------+------------------+-------------------+
   | mysql-bin.000003 |      120 |              |                  |                  |
   +------------------+----------+--------------+------------------+-------------------+
   1 row in set (0.00 sec)

   mysql>

    

   node2:

   mysql> change master to master_host='192.168.56.102',master_user='qwer',master_password='system',master_log_file='mysql-bin.000003',master_log_pos=120,master_port=3306;
   Query OK, 0 rows affected, 2 warnings (0.04 sec)

   mysql> start slave;
   Query OK, 0 rows affected (0.03 sec)

   mysql> show slave status\G
   *************************** 1. row ***************************
                 Slave_IO_State: Waiting for master to send event
                     Master_Host: 192.168.56.102
                     Master_User: qwer
                     Master_Port: 3306
                   Connect_Retry: 60
                 Master_Log_File: mysql-bin.000003
             Read_Master_Log_Pos: 120
                 Relay_Log_File: node2-relay-bin.000002
                   Relay_Log_Pos: 283
           Relay_Master_Log_File: mysql-bin.000003
               Slave_IO_Running: Yes
               Slave_SQL_Running: Yes
               Replicate_Do_DB: tongs

2.加载插件

    node1:

     mysql> install plugin rpl_semi_sync_master soname 'semisync_master.so';           

    mysql> set global rpl_semi_sync_master_enabled=1;        --开启半同步
    mysql> set global rpl_semi_sync_master_timeout=1000;      --半同步1000毫秒

    node2:

     mysql> install plugin rpl_semi_sync_slave soname 'semisync_slave.so';
    mysql> set  global rpl_semi_sync_slave_enabled=1;

3.查看状态

    node1: 

    mysql> show variables like '%rpl_%';
    +-------------------------------------------+------------+
    | Variable_name                            | Value      |
    +-------------------------------------------+------------+
    | rpl_semi_sync_master_enabled              | ON        |
    | rpl_semi_sync_master_timeout              | 1000      |
    | rpl_semi_sync_master_trace_level          | 32        |
    | rpl_semi_sync_master_wait_for_slave_count | 1          |
    | rpl_semi_sync_master_wait_no_slave        | ON        |
    | rpl_semi_sync_master_wait_point          | AFTER_SYNC |
    | rpl_stop_slave_timeout                    | 31536000  | 
      +-------------------------------------------+------------+
    7 rows in set (0.00 sec)

    mysql>

    node2:

    mysql> show variables like '%rpl_%';
    +---------------------------------+----------+
    | Variable_name                  | Value    |
    +---------------------------------+----------+
    | rpl_semi_sync_slave_enabled    | ON      |
    | rpl_semi_sync_slave_trace_level | 32      |
    | rpl_stop_slave_timeout          | 31536000 |
      +---------------------------------+----------+
    3 rows in set (0.00 sec)

    mysql>

Ubuntu下Nginx做负载实现高性能WEB服务器5---MySQL主主同步

生产环境MySQL主主同步主键冲突处理

MySQL主从失败 错误Got fatal error 1236

MySQL主从复制，单台服务器上实施

搭建MySQL代理服务器实现读写分离+主从同步

MySQL 5.5 主从双向同步

MySQL 5.5主从同步排错

本文永久更新链接地址：