This topic describes the limits on the sandbox feature provided by Database Backup (DBS).

Item Limit
Supported database types ApsaraDB RDS for MySQL database instances that use local SSDs, self-managed MySQL databases, and self-managed Oracle databases are supported.
Backup type Physical backup is supported.
Supported regions

China (Hangzhou), China (Shanghai), China (Shenzhen), China (Heyuan), China (Chengdu), China (Beijing), China (Zhangjiakou), China (Hohhot), China (Ulanqab), China (Hong Kong), Singapore (Singapore), Australia (Sydney), Malaysia (Kuala Lumpur), Indonesia (Jakarta), Japan (Tokyo), India (Mumbai), Germany (Frankfurt), US (Silicon Valley), US (Virginia), and China East 1 Finance.

Maximum number of snapshots
  • Capacity Edition: The maximum number of snapshots is determined based on the storage capacity that you specify for the sandbox.
  • Performance Edition: 256.
Snapshot type Full backups and incremental backups are supported.
Maximum sandbox storage capacity
  • Capacity Edition: 8 TB.
  • Performance Edition: 32 TB.
Number of CPU cores of a sandbox instance A sandbox instance can contain 1 to 8 CPU cores and uses exclusive CPU resources.
Maximum number of sandbox instances 1,000.
Maximum duration of a single sandbox instance No limits are imposed on the duration of sandbox instances.