http://www.cnblogs.com/polestar/p/5651870.html
6.查看事件内容
show binary logs; 查看binlog文件列表
show master status 当前正在写入的binlog文件

SHOW BINLOG EVENTS [IN ·log_name·] [FROM pos] [LIMIT [offset,] row_count] 查看指定binlog文件的内容语法：
1.SHOW BINLOG EVENTS IN ·mysql-bin.000005·
2.SHOW BINLOG EVENTS IN ·mysql-bin.000005· FROM 194 LIMIT limit 0,10

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SHOW RELAYLOG EVENTS [IN ·log_name·] [FROM pos] [LIMIT [offset,] row_count]

SHOW RELAYLOG EVENTS IN ·mariadb-relay-bin.000049· FROM 11216592 limit 0,10