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ApsaraDB RDS:DescribeHADiagnoseConfig

Last Updated:Aug 28, 2026

Queries the availability check method of an instance.

Operation description

Supported database engines

  • MySQL
  • PostgreSQL
  • SQL Server
  • MariaDB

References

What is availability detection?

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • For mandatory resource types, indicate with a prefix of * .
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
Operation Access level Resource type Condition key Associated operation
rds:DescribeHADiagnoseConfig get
*DBInstance
acs:rds:{#regionId}:{#accountId}:dbinstance/{#dbinstanceId}
  • rds:ResourceTag
none

Request parameters

Parameter Type Required Description Example
DBInstanceId string Yes

The instance ID. You can call the DescribeDBInstances operation to query the instance ID.

rm-uf6wjk5xxxxxxxxxx
RegionId string Yes

The region ID. You can call the DescribeRegions operation to query the most recent region list.

cn-hangzhou

Response parameters

Parameter Type Description Example
object

The response parameters.

TcpConnectionType string

The availability check method of the instance. Valid values:

  • LONG: Alibaba Cloud uses persistent connections to check the availability of the instance.
  • SHORT: Alibaba Cloud uses short-lived connections to check the availability of the instance.
LONG
RequestId string

The request ID.

06B220E2-EAC5-4DBE-A1FC-1B62DB6A****

Examples

Sample success responses

JSONformat

{
  "TcpConnectionType": "LONG",
  "RequestId": "06B220E2-EAC5-4DBE-A1FC-1B62DB6A****"
}

Error codes

For a list of error codes, visit the Service error codes.

Change history

Change time Summary of changes Operation
2022-06-23 API Description Update View Change Details