You can call this operation to delete a shard or mongos in a sharded cluster instance of ApsaraDB for MongoDB.

Before you call this operation, make sure that the following requirements are met:

  • The instance is in the running state.
  • The instance type is sharded cluster.
  • The billing method of the instance is pay-as-you-go.
  • The number of shards or mongos in the instance must be greater than two.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes DeleteNode

The operation that you want to perform. Set the value to DeleteNode.

DBInstanceId String Yes dds-bpxxxxxxxx

The ID of the instance.
NodeId String Yes s-bpxxxxxxxx

The ID of the shard or mongos to be deleted. You can call the DescribeDBInstanceAttribute operation to query the ID.

ClientToken String No ETnLKlblzczshOTUbOCzxxxxxxxxxx

The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must ensure that it is unique among different requests. The token can only contain ASCII characters and cannot exceed 64 characters in length.

RegionId String No cn-hangzhou

The ID of the region where the instance is deployed. You can call the DescribeRegions operation to query the region ID.

Response parameters

Parameter Type Example Description
OrderId String 111111111111111

The ID of the order.
RequestId String 9F9BDE64-BF30-41F3-BD29-C19CE4AB3404

The ID of the request.
TaskId Integer 111111111

The ID of the task.

Examples

Sample requests

http(s)://mongodb.aliyuncs.com/? Action=DeleteNode
&NodeId=s-bpxxxxxxxx
&DBInstanceId=dds-bpxxxxxxxx
&<Common request parameters>

Sample success responses

XML format 

<TaskId>111111111</TaskId>
<RequestId>04BDBD93-3B59-496C-8B5E-7FF158E10C5C</RequestId>
<OrderId>111111111111111</OrderId>

JSON format 

{
    "TaskId": 111111111,
    "RequestId": "04BDBD93-3B59-496C-8B5E-7FF158E10C5C",
    "OrderId": "111111111111111"
}

Error codes

For a list of error codes, visit the API Error Center.