实现:
1.关闭mysql主从,关闭binlog
# vim /etc/my.cnf //注释掉log-bin,binlog_format # Replication Master Server (default) # binary logging is required for replication # log-bin=mysql-bin # binary logging format - mixed recommended # binlog_format=mixed
然后重启数据库
2.重启mysql,开启mysql主从,设置expire_logs_days
# vim /etc/my.cnf //修改expire_logs_days,x是自动删除的天数,一般将x设置为短点,如10 expire_logs_days = x //二进制日志自动删除的天数。默认值为0,表示“没有自动删除”
> show binary logs; > show variables like '%log%'; > set global expire_logs_days = 10;
3.手动清除binlog文件
# /usr/local/mysql/bin/mysql -u root -p > PURGE MASTER LOGS BEFORE DATE_SUB(CURRENT_DATE, INTERVAL 10 DAY); //删除10天前的MySQL binlog日志,附录2有关于PURGE MASTER LOGS手动删除用法及示例 > show master logs;
也可以重置master,删除所有binlog文件:
# /usr/local/mysql/bin/mysql -u root -p > reset master; //附录3有清除binlog时,对从mysql的影响说明
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