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What is the role of binlog in mysql
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- 2023-06-02 23:31:021908browse
1、数据恢复。只要有数据库在某个时刻的备份以及此时后的所有binlog，就可以恢复数据库的数据。
在我们的日常工作中，我们的DBA学生经常可以帮助我们将数据库的数据恢复到任何一秒。
2、主从复制。为了提高MySQL的效率，经常做读写分离，即一主多从。
一个主库(写库)，多个从库(读库)。
此时，从库可以监控主库的binlog日志，同步写库的所有更改操作。
实例
binlog_format = MIXED log-bin = E:mysql路径\\mysql-5.6.35-winx64\\logs\\mysql-bin.log expire-logs-days = 7 max_binlog_size = 200m binlog_cache_size = 10m max_binlog_cache_size = 500m
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