Queries the list of node groups in an EMR cluster.
Debugging
Authorization information
Request parameters
Parameter | Type | Required | Description | Example |
---|---|---|---|---|
RegionId | string | Yes | The ID of the region in which you want to create the instance. | cn-hangzhou |
ClusterId | string | Yes | The cluster ID. | c-b933c5aac8fe**** |
NextToken | string | No | Marks the current position where reading starts. If you set this value to null, you can start from the beginning. | DD6B1B2A-5837-5237-ABE4-FF0C89568980 |
MaxResults | integer | No | The number of maximum number of records to obtain at a time. Valid values: 1 to 100. | 20 |
NodeGroupIds | array | No | The IDs of node groups. Valid values of the number of array elements N: 1 to 100. | |
string | No | The ID of the node group. | ng-869471354ecd**** | |
NodeGroupNames | array | No | The list of node group names. Valid values of the number of array elements N: 1 to 100. | |
string | No | The name of the node group. | core-1 | |
NodeGroupTypes | array | No | The list of node group types. Valid values of the number of array elements N: 1 to 100. | |
string | No | The type of the node group. Valid values:
| CORE | |
NodeGroupStates | array | No | The status of the node group. Valid values of the number of array elements N: 1 to 100. | |
string | No | The status of the node group. Valid values:
| RESIZING |
Response parameters
Examples
Sample success responses
JSON
format
{
"NodeGroups": [
{
"ZoneId": "cn-hangzhou",
"NodeGroupId": "ng-869471354ecd****",
"NodeGroupName": "core-1",
"NodeGroupType": "MASTER",
"RunningNodeCount": 3,
"InstanceTypes": [
"ecs.g7.2xlarge"
],
"PaymentType": "Subscription",
"DataDisks": [
{
"Category": "cloud_essd",
"Size": 80,
"PerformanceLevel": "PL1",
"Count": 5
}
],
"SystemDisk": {
"Category": "cloud_essd",
"Size": 60,
"PerformanceLevel": "PL1",
"Count": 1
},
"NodeGroupState": "RESIZING",
"Status": "CREATED",
"AdditionalSecurityGroupIds": [
""
],
"WithPublicIp": true,
"VSwitchIds": [
"vsw-bp1opd2qejvhsabfe****"
],
"SpotStrategy": "NoSpot",
"SpotBidPrices": [
{
"InstanceType": "ecs.g7.2xlarge",
"BidPrice": 1000
}
],
"StateChangeReason": {
"Code": "UserRequest",
"Message": "The instance type is required."
},
"MinimalNodeCount": 0,
"MaximalNodeCount": 200,
"GracefulShutdown": false,
"SpotInstanceRemedy": false,
"NodeResizeStrategy": "PRIORITY",
"CostOptimizedConfig": {
"OnDemandBaseCapacity": 80,
"OnDemandPercentageAboveBaseCapacity": 80,
"SpotInstancePools": 2
},
"DeploymentSetStrategy": "NONE",
"AutoCompensateState": false,
"ExtraAttributes": {
"key": "true"
},
"AckConfig": {
"AckInstanceId": "",
"NodeSelectors": [
{
"Key": "department",
"Value": "IT"
}
],
"Tolerations": [
{
"Key": "",
"Value": "",
"Operator": "",
"Effect": ""
}
],
"Namespace": "",
"RequestCpu": 0,
"RequestMemory": 0,
"LimitCpu": 0,
"LimitMemory": 0,
"DataDiskStorageClass": "",
"DataDiskSize": 0,
"CustomLabels": [
{
"Key": "department",
"Value": "IT"
}
],
"CustomAnnotations": [
{
"Key": "department",
"Value": "IT"
}
],
"MountHostCgroup": true
},
"IaaSType": ""
}
],
"RequestId": "DD6B1B2A-5837-5237-ABE4-FF0C8944****",
"NextToken": "DD6B1B2A-5837-5237-ABE4-FF0C89568980",
"MaxResults": 20,
"TotalCount": 200
}
Error codes
HTTP status code | Error code | Error message |
---|---|---|
400 | ConflictParameters | Parameters that must not be used together. %s |
400 | IncompleteSignature | The request signature is invalid. |
400 | InvalidAction | The action %s requested is invalid. |
400 | InvalidParameter | The specified parameter %s is not valid. |
400 | InvalidParameterValue | The input parameter %s is invalid or out of range. |
400 | MissingAction | The action %s requested is missing. |
400 | MissingParameter | The input parameter %s that is mandatory for processing this request is not supplied. |
400 | NotAuthorized | You do not have permission to perform this action. %s |
400 | ThrottlingException | The request was denied due to request throttling. %s |
404 | ResourceNotFound | The resource not found by %s. |
500 | InternalError | The request processing has failed due to some unknown error, exception or failure. |
503 | ServiceFailure | The request has failed due to a temporary failure of %s service. |
503 | ServiceUnavailable | The request has failed due to a temporary failure of the server. |
For a list of error codes, visit the Service error codes.
Change history
Change time | Summary of changes | Operation |
---|---|---|
2023-12-07 | The internal configuration of the API is changed, but the call is not affected | View Change Details |