下面介绍一下关于mysql日志的清除方法，下面不说多，不用代码框括起来了，直接就是文本吧，#的行是注释下面的是真实的例子，可供参考：
[ root@aslibra www.aslibra.com ]# -s /data/www.aslibra.com/mysql/mysql.sock -uadmin -ppassword
welcome to the mysql monitor.  commands end with ; or g.
your mysql connection id is 322891
server version: 5.5.2-m2-log source distribution
type 'help;' or 'h' for help. type 'c' to clear the current input statement.
#显示当前所有日志
 代码如下 复制代码
mysql> show master logs;
+------------------+------------+
| log_name         | file_size  |
+------------------+------------+
| mysql-bin.000001 |        126 |
| mysql-bin.000002 | 1074328576 |
| mysql-bin.000003 |  918443740 |
| mysql-bin.000004 |        126 |
| mysql-bin.000005 |        126 |
| mysql-bin.000006 |  109880744 |
+------------------+------------+
6 rows in set (0.00 sec)
#删除日志到某一个，不能超过最后一个
 代码如下 复制代码
mysql> purge master logs to 'mysql-bin.000027';
error 1373 (hy000): target log not found in binlog index
#删除日志到最后一个即可
 代码如下 复制代码
mysql> purge master logs to 'mysql-bin.000006';
query ok, 0 rows affected (3.80 sec)
#看看现在的情况
 代码如下 复制代码
mysql> show master logs;
+------------------+-----------+
| log_name         | file_size |
+------------------+-----------+
| mysql-bin.000006 | 109884395 |
+------------------+-----------+
1 row in set (0.00 sec)
#退出
 代码如下 复制代码
mysql> exit