mysql日志清理

mysql bin-log 日志清理

发现mysql数据库目录中bin-log中日志文件非常大

[root@localhost var]# du -sh mysql-bin* | sort
1020K   mysql-bin.
.1G    mysql-bin.
1.1M    mysql-bin.
136K    mysql-bin.
172K    mysql-bin.
191M    mysql-bin.
224M    mysql-bin.
28K     mysql-bin.
3.5M    mysql-bin.
.0K    mysql-bin.
.0K    mysql-bin.
.0K    mysql-bin.
.0K    mysql-bin.
.0K    mysql-bin.
.0K    mysql-bin.
.0K    mysql-bin.
.0K    mysql-bin.index
5.5M    mysql-bin.
63M     mysql-bin.
64K     mysql-bin.
65M     mysql-bin.
72K     mysql-bin.
863M    mysql-bin.
[root@localhost var]#
登陆到mysql查看bin-log
mysql> show binary logs;
+------------------+------------+
| Log_name         | File_size  |
+------------------+------------+
| mysql-bin. |       |
| mysql-bin. |     |
| mysql-bin. |        |
| mysql-bin. |         |
| mysql-bin. |         |
| mysql-bin. |         |
| mysql-bin. |         |
| mysql-bin. |    |
| mysql-bin. |       |
| mysql-bin. |       |
| mysql-bin. |     |
| mysql-bin. |     |
| mysql-bin. |   |
| mysql-bin. |      |
| mysql-bin. |         |
| mysql-bin. |         |
| mysql-bin. |   |
| mysql-bin. |     |
| mysql-bin. |      |
| mysql-bin. |   |
| mysql-bin. |  |
| mysql-bin. |    |
+------------------+------------+
 rows in set (0.00 sec)

mysql> 

删除2014-06-01 00:01:01 之前的日志：

mysql> PURGE BINARY LOGS BEFORE '2014-06-01 00:01:01';
Query OK,  rows affected (0.21 sec)

mysql> 

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
保留最后一次bin-logs

mysql> PURGE BINARY LOGS TO 'mysql-bin.000022';
Query OK,  rows affected (0.60 sec)
mysql>
mysql>
mysql>
mysql>
mysql>
mysql> show binary logs;
+------------------+-----------+
| Log_name         | File_size |
+------------------+-----------+
| mysql-bin. |   |
+------------------+-----------+
 row in set (0.00 sec)

mysql>