一、配置Master主服务器(1)在Master MySQL上创建一个用户‘sync’,并允许其他Slave服务器可以通过远程访问Master,通过该用户读取二进制日志,实现数据同步。mysql>create user sync; //创建新用户mysql> GRANT REPLICATION SLAVE ON *.* TO 'sync'@'192.168.254.%' IDENTIFIED BY 'mysql';#sync用...【阅读全文】
博客文章除注明转载外,均为原创。转载请注明出处。本文链接地址:http://blog.chinaunix.net/uid-31396856-id-5767262.html本次调整的数据库版本如下:mysql> select version();+------------+| version() |+------------+| 5.7.18-log |+------------+1 row in set (0.01 sec)step1:mysql> show ...【阅读全文】
1.1 错误信息:Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 20,820,001 milliseconds ago. The last packet sent successfully to the server was 20,820,002 milliseconds ago. is longer than the server configured value of...【阅读全文】