常用命令：
show variables like 'version';
show
binary logs;
show
binlog events;
show
master status
show binlog events in 'mysql-bin.000058';
show variables like '%bin%';
d、獲取指定位置binlog的內容(show binlog events from)
mysql> show binlog events from 213;
show grants for 'canal'
http://www.linuxidc.com/Linux/2014-12/110653.htm