Limits

Updated at:

This topic describes the limits of Self-managed MyBase.

Important

When you use Self-managed MyBase, specific unexpected operations may result in unstable or unavailable databases. To prevent this issue, take note of the limits of Self-managed MyBase.

Prohibited operation

Possible result

Suggestion

Delete host nodes of ApsaraDB for MyBase in the Elastic Compute Service (ECS) console.

Data loss occurs and ApsaraDB for MyBase clusters become unavailable.

None.

Delete the Container Service for Kubernetes (ACK) cluster or node pool on which ApsaraDB for MyBase is deployed in the ACK console.

Data loss occurs and ApsaraDB for MyBase clusters become unavailable.

None.

Modify parameters in component configuration files in the ECS console.

After ApsaraDB for MyBase restarts, the modified parameters are overwritten.

Modify the parameters in the ApsaraDB for MyBase console.

Redeploy ECS instances in the ECS console.

The usage of ApsaraDB for MyBase clusters is affected.

None.

Attach disks to the host nodes of ApsaraDB for MyBase in the ECS console.

The disks become unavailable because ApsaraDB for MyBase cannot recognize and initialize the disks.

None.

Detach disks from the host nodes of ApsaraDB for MyBase in the ECS console.

Data loss occurs because ApsaraDB for MyBase is unaware of the disk detaching operation.

Modify the security group to which ECS instances belong when an ApsaraDB for MyBase cluster or instance is running.

  • The network connection between nodes is abnormal.

  • Components become unavailable.

None.