Setting a Local Retention Period for RDS for MariaDB Binlogs

RDS for MariaDB deletes local binlogs after they are backed up to OBS. You can set the local retention period for binlogs as required.

Binary logging is enabled for RDS by default and uses row-based logging.

Read replicas do not provide binlogs.

Binlogs can be retained from 0 to 168 (7x24) hours locally.

If the retention period is set to 0, the binlogs of your DB instance will be deleted once they are synchronized to the standby instance and read replicas and successfully backed up to OBS. If the retention period is set to a value greater than 0, for example, 1 day, the binlogs will be retained for one day after they are synchronized to the standby instance and read replicas from the primary instance and successfully backed up to OBS. After the retention period expires, the binlogs will be automatically deleted. For details about how to view binlogs, see Downloading a Binlog Backup File.