开启MySQL?binlog日志的服务器,如果不设置自动清理日志,默认binlog日志一直保留着,时间一长,服务器磁盘空间被binlog日志占满,导致MySQL数据库出错.
使用下面方法可以安全清理binlog日志
第一段：没有主从同步的情况下清理日志
mysql -u root -p ?#进入mysql 控制台
reset master; ?#重置binlog
第二段：MySQL主从同步下安全清理binlog日志
①.、mysql ?-u root -p ?#进入从服务器mysql控制台
show slave status\G; ?#检查从服务器正在读取哪个日志,有多个从服务器,选择时间最早的一个做为目标日志.
show master log; ?#获得主服务器上的一系列日志
第三段：设置自动清理MySQL binlog日志
log-bin=mysql-bin ?#注释掉之后,会关闭binlog日志
binlog_format=mixed ?#注释掉之后,会关闭binlog日志
:wq! ?#保存退出
扩展阅读：
help purge;
Description:
Syntax:
PURGE { BINARY | MASTER } LOGS
The binary log is a set of files that contain information about data
modifications made by the MySQL server. The log consists of a set of
binary log files, plus an index file (see
The PURGE BINARY LOGS statement deletes all the binary log files listed
in the log index file prior to the specified log file name or date.
BINARY and MASTER are synonyms. Deleted log files also are removed from
the list recorded in the index file, so that the given log file becomes
the first in the list.
This statement has no effect if the server was not started with the
Examples:
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