Help Center > > FAQs> Capacity Expansion and Specification Change> Are My RDS DB Instances Available When Scaling?

Are My RDS DB Instances Available When Scaling?

Updated at: Jun 09, 2021 GMT+08:00

Currently, you can scale up storage space and change the CPU or memory of a DB instance.

  • When storage space is being scaled up, RDS DB instances are still available and services are not affected. However, you cannot delete or reboot DB instances that are being scaled.
  • When the CPU or memory of DB instances is being changed, the network is intermittently disconnected once or twice within a few seconds. (For Microsoft SQL Server 2017 Enterprise Edition, you need to stop services first and then change the CPU or memory of DB instances.) For primary/standby DB instances, a failover may occur and services may be briefly interrupted.

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