Which Items Occupy the Storage Space of My RDS DB Instances?

Both your regular data (backup data not included) and the data required for the operation of your DB instances (such as system database data, rollback logs, redo logs, and indexes) take up storage space on your RDS DB instances. The storage space includes the file system overhead required for inode, reserved blocks, and database operations. The following RDS log files also occupy storage space:

Binlog files generated by RDS for MySQL databases
Logs files generated by RDS for PostgreSQL database servers

These files ensure the stability of RDS DB instances.

Parent topic: Resource and Disk Management

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