# Querying Details About an ECS Flavor

#### Function

This API is used to query the details about an ECS flavor based on the flavor ID.

#### URI

GET /v2.1/{project_id}/flavors/{flavor_id}

GET /v2/{project_id}/flavors/{flavor_id}

Table 1 describes the parameters in the URI.

Table 1 Parameter description
Parameter | Mandatory | Description
--- | --- | ---
project_id | Yes | Specifies the project ID.
flavors_id | Yes | Specifies the flavor ID.

#### Request

None

#### Response

Table 2 describes the response parameters.

Table 2 Response parameters
Parameter | Type | Description
--- | --- | ---
flavor | Object | Specifies the ECS flavor. For details, see Table 3.

Table 3 flavor field description
Parameter | Type | Description
--- | --- | ---
id | String | Specifies the ID of the ECS flavor.
name | String | Specifies the name of the ECS flavor.
description | String | Describes the ECS flavor. This parameter is supported in microversion 2.55 and later.
vcpus | Integer | Specifies the number of vCPUs in the ECS flavor.
ram | Integer | Specifies the memory size (MB) in the ECS flavor.
disk | Integer | Specifies the system disk size in the ECS flavor. This parameter has not been used. Its default value is 0.
swap | String | Specifies the swap partition size required by the ECS flavor. This parameter has not been used. Its default value is "".
OS-FLV-EXT-DATA:ephemeral | Integer | Specifies the temporary disk size. This is an extended attribute. This parameter has not been used. Its default value is 0.
OS-FLV-DISABLED:disabled | Boolean | Specifies whether the ECS flavor has been disabled. This is an extended attribute. This parameter has not been used. Its default value is false.
rxtx_factor | Float | Specifies the ratio of the available network bandwidth to the network hardware bandwidth of the ECS. This parameter has not been used. Its default value is 1.0.

os-flavor-access:is_public

Boolean

Specifies whether a flavor is available to all tenants. This is an extended attribute.

- true: indicates that a flavor is available to all tenants.
- false: indicates that a flavor is available only to certain tenants.

Default value: true

links | Array of objects | Specifies shortcut links for ECS flavors. For details, see Table 4.

Table 4 links field description
Parameter | Type | Description
--- | --- | ---
rel | String | Specifies the shortcut link marker name.
href | String | Provides the corresponding shortcut link.

#### Example Request

    GET https://{endpoint}/v2/743b4c0428d94531b9f2add666642e6b/flavors/c3.2xlarge.2
    GET https://{endpoint}/v2.1/743b4c0428d94531b9f2add666642e6b/flavors/c3.2xlarge.2

#### Example Response

    {
        "flavor": {
            "name": "c3.2xlarge.2",
            "links": [
                {
                    "href": "https://compute.region.xxx.com/v2.1/743b4c0428d94531b9f2add666642e6b/flavors/c3.2xlarge.2",
                    "rel": "self"
                },
                {
                    "href": "https://compute.region.xxx.com/743b4c0428d94531b9f2add666642e6b/flavors/c3.2xlarge.2",
                    "rel": "bookmark"
                }
            ],
            "ram": 16384,
            "OS-FLV-DISABLED:disabled": false,
            "vcpus": 8,
            "swap": "",
            "os-flavor-access:is_public": true,
            "rxtx_factor": 1,
            "OS-FLV-EXT-DATA:ephemeral": 0,
            "disk": 0,
            "id": "c3.2xlarge.2"
        }
                    }

#### Returned Values

See Returned Values for General Requests.

Parent topic: Flavor Management