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Elastic Compute Service
Dedicated Host DDH
API reference
proprietary host
DescribeDedicatedHostClusters - Queries DDH cluster information
proprietary host
DescribeDedicatedHostClusters - Queries DDH cluster information
DescribeDedicatedHostClusters - Queries DDH cluster information
Call the DescribeDedicatedHostClusters operation to query detailed information about one or multiple DDH clusters.
Debugging
API Explorer
You can initiate calls online through API Explorer without paying attention to the signature generation process and quickly obtain the call results.
Request parameters
Only the request parameters specific to this operation and some common parameters are listed below. For more information, refer to Common parameters. Action string required Sample value: DescribeDedicatedHostClusters
The action that you want to perform. Value: DescribeDedicatedHostClusters.
Version string required Sample value: 2020-04-01
The API version. Valid value: 2020-04-01.
DedicatedHostClusterIds.N string[] Optional Sample value: DedicatedHostClusterIds.1=dc-ycle6b76kgv2wrsm****&DedicatedHostClusterIds.2=dc-yclc1jr9j4arsp3j****
The ID of the DDH cluster. A maximum of 10 IDs is supported.
- Parameter - N: indicates the serial number of the DDH cluster.
- Separate multiple cluster IDs with ampersands (&).
DedicatedHostClusterName string Optional Sample value: DDH-Cluster01
The name of the DDH cluster.
- Can not start with a number, a hyphen (-), or an underscore (_).
- Only Chinese, letters, numbers, underscores and hyphens are allowed.
- The length limit is 1 to 128 characters.
- Special characters are currently not supported.
MaxResults integer Optional Sample value: 10
The number of entries per page.
NextToken string Optional Sample value: --
Pagination token marking the query position. Omit this parameter for initial API requests. In the next query, set the NextToken parameter to the value returned by the previous API call.
ZoneId string Optional Sample value: cn-beijing-a
The ID of the availability zone where the DDH cluster is deployed.
Response parameters
Only the response parameters specific to this operation are listed below. For more information, refer to the response structure. DedicatedHostClusters object[] Sample value: --
The information of the DDH cluster.
CreatedAt string Sample value: 2023-08-11T10:30:25+08:00
The creation time of the DDH cluster.
DedicatedHostClusterCapacity object Sample value: --
The capacity information of the DDH cluster.
LocalVolumeCapacities object[] Sample value: --
Information about the local volume capacity within the DDH cluster.
AvailableSize integer Sample value: 64
The remaining capacity of the local volume. Unit: GiB.
TotalSize integer Sample value: 512
The total capacity of the local volume. Unit: GiB.
VolumeType string Sample value: LOCAL_SSD
The local volume type. Valid values:
AvailableInstanceTypes object[] Sample value: --
The available capacity of ECS instance types within the DDH cluster.
AvailableCapacity integer Sample value: 58
The available capacity of the instance types.
InstanceType string Sample value: ecs.ddhr2s.define.c4m16
Instance type
AvailableMemory integer Sample value: 441
The available memory size. Unit: GiB.
AvailableVcpus integer Sample value: 951296
Number of available vCPUs.
TotalMemory integer Sample value: 972800
The total memory size. Unit: GiB.
TotalVcpus integer Sample value: 448
The total number of vCPUs.
DedicatedHostClusterId string Sample value: dc-ycle6b76kgv2wrsm****
The ID of the dedicated host cluster.
DedicatedHostClusterName string Sample value: DDH-Cluster01
The name of the DDH cluster.
DedicatedHostIds string[] Sample value: ["dh-3tigy72q3u3vj0x2****","dh-ycje2rquioh9l3bn****"]
Dedicated host ID.
Description string Sample value: Dedicated Host Cluster for testing.
The description of the DDH cluster.
UpdatedAt string Sample value: 2023-08-11T10:30:25+08:00
The update time of the DDH cluster.
ZoneId string Sample value: cn-beijing-a
The ID of the availability zone where the DDH cluster is deployed.
NextToken string Sample value: eWNsYTg0b2s1Y3Yyd3Jzb2do****
The query credentials value returned by this call. If null is returned, this page is the last page.
Sample request
Sample response
Error codes
The table below lists the business-related error codes of the operation. For more information, refer to Common error codes. Last updated: 2026.01.16 19:04:50