Help Center/ Relational Database Service/ User Guide (Ankara Region)/ FAQs/ Capacity Expansion and Specification Change/ Are My RDS DB Instances Still Available During Storage Scale-up and Instance Class Change?
Updated on 2024-04-11 GMT+08:00
Are My RDS DB Instances Still Available During Storage Scale-up and Instance Class Change?
Currently, you can scale up storage space and change the vCPU 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.
- During the change of the vCPU or memory, the network is intermittently disconnected for one or two times in seconds. For primary/standby DB instances, a failover may occur and services may be briefly interrupted. Changing the vCPU or memory takes 5 to 15 minutes.
After you change the vCPU or memory, the DB instances will reboot and services will be interrupted. Therefore, you are advised to change instance classes during off-peak hours.
Parent topic: Capacity Expansion and Specification Change
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