Which Items Occupy the Storage Space of DDS Instances?

The following types of data will occupy the storage space:

• The storage space you applied for will contain the system overhead required for inode, reserved block, and database operation.
• User data (backups not included)
• Data required to ensure instances run properly, such as system database data, rollback logs, and search indexes.
• Log output files that are generated by DDS ensure the stable operating of DDS instances. For example, oplogs occupy 10% of the storage space by default. The retention period of rotation oplogs depends on the oplog generation rate. To change the defalut value, change the value of oplogSizePercent on the console. For details, see Modifying DDS DB Instance Parameters.