1，查看二进制日志

show master logs;

2，删除二进制日志

mysql> purge master logs to 'mysql-bin.000009';
Query OK, 0 rows affected (0.01 sec)
删除09以前的日志
mysql> purge master logs before '2018-09-04';
Query OK, 0 rows affected (0.01 sec)
删除9月4号之前的日志
还可以把expire_logs_days = 10 设置短也可以删除mysqlbinlog
mysql> reset master;
Query OK, 0 rows affected (0.01 sec)
删除所有mysqlbinlog

**3，查看mysqlbinlog里面的内容
**

mysqlbinlog --no-defaults /var/lib/mysql/mysql-bin.000002

show binlog events in 'mysql-bin.000003';

4，导出binlog日志

4.1 按照时间导出mysqlbinlog

mysqlbinlog --no-defaults --start-datetime='2018-09-27 10:39:00' --stop-datetime='2018-09-27 10:42:00' -d zabbix /var/lib/mysql/mysql-bin.00000*>/home/0927.sql

4.2 按照位置导出

mysqlbinlog --no-defaults --start-position=4 --stop-position=468 -d zabbix /var/lib/mysql/mysql-bin.00000*>/home/092701.sql

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