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DescribeInstanceShards

最后更新时间:2024-04-03 11:33:21

    1. API Description

    Domain name for API request: redis.tencentcloudapi.com.

    This API is used to get the shard information of the instance on cluster architecture.

    A maximum of 20 requests can be initiated per second for this API.

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    2. Input Parameters

    The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

    Parameter Name Required Type Description
    Action Yes String Common Params. The value used for this API: DescribeInstanceShards.
    Version Yes String Common Params. The value used for this API: 2018-04-12.
    Region No String Common Params. This parameter is not required for this API.
    InstanceId Yes String ID of a specified instance, such as "crs-xjhsdj****" Log in to the Redis console and copy the instance ID in the instance list.
    FilterSlave No Boolean Whether to filter out the replica node information. Valid values: true (yes), false (no).

    3. Output Parameters

    Parameter Name Type Description
    InstanceShards Array of InstanceClusterShard List information of the instance shards, which includes node information, node ID, key count, used capacity, and capacity slope.
    TotalCount Integer Number of instance shard nodes
    RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

    4. Example

    Example1 Sample request

    This example shows you how to get the shard information of a cluster edition instance.

    Input Example

    POST / HTTP/1.1Host: redis.tencentcloudapi.comContent-Type: application/jsonX-TC-Action: DescribeInstanceShards<Common request parameters>{    "InstanceId": "crs-7pon****",    "FilterSlave": true}
    

    Output Example

    {
        "Response": {
            "InstanceShards": [
                {
                    "Connected": 1,
                    "Keys": 274171,
                    "Role": 0,
                    "Runid": "edd1020ca1e3767c0d281d205964d168a2f5XXXX",
                    "ShardId": "crs-7pon****-001-02",
                    "Slots": "[\"0-5460\"]",
                    "Storage": 92353816,
                    "StorageSlope": 0
                },
                {
                    "Connected": 1,
                    "Keys": 272958,
                    "Role": 0,
                    "Runid": "8f8b3760bfbea22e0fad8a0a9575d7716801XXXX",
                    "ShardId": "3",
                    "ShardName": "crs-XXXXXXXX-003-01",
                    "Slots": "[\"10923-16383\"]",
                    "Storage": 92096256,
                    "StorageSlope": 0
                },
                {
                    "Connected": 1,
                    "Keys": 273074,
                    "Role": 0,
                    "Runid": "b6ed2e93ed754054f06220b995d42f4a07c2XXXX",
                    "ShardId": "2",
                    "ShardName": "crs-XXXXXXXX-002-01",
                    "Slots": "[\"5461-10922\"]",
                    "Storage": 92149456,
                    "StorageSlope": 0
                }
            ],
            "RequestId": "9a57167a-f1a3-47ad-XXXX-b0ad835630a5",
            "TotalCount": 3
        }
    }
    

    5. Developer Resources

    SDK

    TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

    Command Line Interface

    6. Error Code

    The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

    Error Code Description
    FailedOperation.SystemError Internal system error, which is irrelevant to the business.
    InvalidParameter.PermissionDenied The API has no CAM permissions.
    InvalidParameterValue.UnSupportedType The instance type is not supported.