DescribeHostGroupElasticStrategyParameters API reference - ApsaraDB RDS - Alibaba Cloud - ApsaraDB RDS

Debugging

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Debug

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:DescribeHostGroupElasticStrategyParameters	get	All Resources ``	none	none

Request parameters

Parameter	Type	Required	Description	Example
RegionId	string	Yes	The region ID. You can call the DescribeRegions operation to query the most recent region list.	cn-shanghai
DedicatedHostGroupName	string	Yes	The name of the dedicated cluster.	dhg-d0dwi82293b2w9t5
ResourceGroupId	string	No	The resource group ID.	rg-acfmy****

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The request ID.	60F9A12A-16B8-4728-B099-4CA38D32C31C
CpuShar	integer	The CPU utilization of the instance. Unit: percentage.	20
IopsZoom	integer	The number of I/O requests.	10
MaxConnZoom	integer	The maximum number of concurrent connections supported by the instance type.	30
CpuZoom	integer	The number of CPU cores used by the instance. Unit: cores.	4
MemoryZoom	integer	The total memory size of the instance in the dedicated cluster. Unit: MB.	1000

Examples

Sample success responses

JSONformat

{
  "RequestId": "60F9A12A-16B8-4728-B099-4CA38D32C31C",
  "CpuShar": 20,
  "IopsZoom": 10,
  "MaxConnZoom": 30,
  "CpuZoom": 4,
  "MemoryZoom": 1000
}

Error codes

HTTP status code	Error code	Error message
400	InvalidCPUZoom.NotSupport	The param cpuZoom not in valid range
400	InvalidCPUShar.NotSupport	The param cpuShar not in valid range
400	InvalidMemoryZoom.NotSupport	The param memory zoom not in valid range
400	InvalidIOPSZoom.NotSupport	The param iops zoom not in valid range
400	InvalidMaxConnZoom.NotSupport	The param MaxConne zoom not in valid range
400	InvalidResource.Type.NotSupport	The param Resource Type not in valid range
400	InvalidIncreaseRatio.Type.NotSupport	Insufficient host resources, please reduce the ratio
400	InvalidDedicatedHostGroupName	The DedicatedHostGroupName is invalid
400	InvalidInsName	The InsName is invalid
403	ClusterTypeError	Custins Cluster Type Error, Support User Cluster
403	DedicatedHostNameIsNull	Dedicated Host Name Is Null!
404	InvalidDedicatedHostGroupName	Physical Custins Not Found!
404	HostInfo.NotFound	Current cluster not found host info!

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

Change history

Change time	Summary of changes	Operation
2025-02-28	The Error code has changed	View Change Details
2024-11-20	API Description Update. The Error code has changed	View Change Details