API Category
Last updated: 2025-11-13 20:48:44
Cluster Resource Management APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| CreateCluster | Creates EMR cluster instances (new) | 20 |
| CreateInstance | Creates EMR instances (old) | 20 |
| DescribeClusterNodes | Queries the information of nodes in a cluster | 20 |
| DescribeInstances | Queries the information of instances in a cluster | 20 |
| DescribeInstancesList | Queries the cluster list | 20 |
| InquiryPriceCreateInstance | Queries price of instance creation | 20 |
| InquiryPriceRenewInstance | Queries the price for renewal | 20 |
| InquiryPriceScaleOutInstance | Queries price of scale-out | 20 |
| InquiryPriceUpdateInstance | Queries price of scaling | 20 |
| ConvertPreToPostCluster | Converts a monthly subscription cluster to a pay-as-you-go cluster | 20 |
| ScaleOutCluster | Scales out cluster nodes (new) | 20 |
| ScaleOutInstance | Scales out instances (old) | 20 |
| TerminateInstance | Terminates EMR instances | 20 |
| TerminateTasks | Scales in task nodes (old) | 20 |
| TerminateClusterNodes | Terminates cluster nodes (new) | 20 |
Cluster Services APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| DescribeGlobalConfig | Queries the global configurations of YARN Resource Scheduling | 20 |
| DescribeResourceSchedule | Queries YARN resource scheduling information (old) | 20 |
| ModifyGlobalConfig | Modifies the global configurations of YARN Resource Scheduling | 20 |
| ModifyResourceScheduleConfig | Modifies the resource configuration of YARN resource scheduling (old) | 20 |
| ModifyResourceScheduler | Modifies a YARN resource scheduler (old) | 20 |
| StartStopServiceOrMonitor | Starts or stops the monitor or services. | 20 |
User Management APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| AddUsersForUserManager | Adds the user list | 20 |
| DescribeUsersForUserManager | Queries the user list | 20 |
| ModifyUserManagerPwd | Changes user password (user management). | 20 |
| ModifyUserGroup | Modifies user groups under User Management | 20 |
| CreateGroupsSTD | Creates user groups in batches under User Management | 20 |
| DeleteGroupsSTD | Deletes user groups in batches under User Management | 20 |
| DescribeGroupsSTD | Queries a user group under User Management | 20 |
| ModifyUsersOfGroupSTD | Changes the user information of user groups under User Management | 20 |
Information Query APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| DescribeClusterFlowStatusDetail | Queries the running status details of EMR cluster tasks | 20 |
| DescribeHBaseTableOverview | Obtains an overview of HBase table-level monitoring data | 20 |
| DescribeInspectionTaskResult | Obtains the inspection task result list | 20 |
| DescribeNodeResourceConfigFast | Obtains node specifications quickly | 20 |
| DescribeNodeSpec | Queries node specifications | 20 |
| DescribeServiceNodeInfos | This API is used to query service process information. | 20 |
| DescribeHiveQueries | Inquiries Hive query data | 100 |
| DescribeInsightList | Obtains insight results | 20 |
| DescribeDAGInfo | Queries DAG information | 20 |
| DescribeEmrOverviewMetrics | Queries the metric data on the monitoring overview page | 20 |
| DescribeHDFSStorageInfo | Queries the number of files stored in HDFS | 20 |
| DescribeKyuubiQueryInfo | Queries Kyuubi query information | 20 |
| DescribeSparkApplications | Obtains the Spark task list | 20 |
| DescribeSparkQueries | Queries the Spark query list | 20 |
| DescribeStarRocksQueryInfo | Queries StarRocks information | 20 |
| DescribeTrinoQueryInfo | Queries Trino(PrestoSQL) query information | 20 |
Scaling APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| DescribeAutoScaleGroupGlobalConf | Obtains the global configuration of a scaling group | 20 |
| DescribeAutoScaleStrategies | This API is used to access automatic scaling rules. | 20 |
| AddMetricScaleStrategy | Adds automatic scaling rules | 20 |
| DeleteAutoScaleStrategy | Deletes auto scaling rules | 20 |
| DescribeAutoScaleRecords | Inquiries autoscaling records. | 20 |
| DescribeNodeDataDisks | Queries data disk information of nodes | 20 |
| ModifyAutoScaleStrategy | This API is used to modify automatic scaling rules. | 20 |
Configuration APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| ModifyInspectionSettings | Sets inspection task configurations | 20 |
| SetNodeResourceConfigDefault | Sets default attributes of node specifications | 20 |
| DescribeServiceConfGroupInfos | Describes service configuration group information | 20 |
Other APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| AddNodeResourceConfig | Adds node specifications | 20 |
| DeleteNodeResourceConfig | Deletes node specifications | 20 |
| DescribeEmrApplicationStatics | Queries the statistics of YARN tasks | 20 |
| DescribeYarnScheduleHistory | Queries the YARN resource scheduling history (old) | 20 |
| ModifyInstanceBasic | Modifies the cluster name | 20 |
| ModifyResourcesTags | Forcibly modifies tags. | 20 |
| ModifyYarnDeploy | Brings the configuration into effect after deployment (old) | 20 |
Cluster Lifecycle APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| AttachDisks | Mounts cloud disks | 20 |
| ModifyAutoRenewFlag | Enables or disables the auto-renewal API | 20 |
| ModifyResource | Resizes instances | 20 |
| ResizeDataDisks | Scales out cloud data disks | 20 |
Serverless HBase APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| DescribeSLInstance | Queries Serverless HBase instance information | 20 |
| TerminateSLInstance | Terminates a Serverless HBase instance | 20 |
| ModifySLInstanceBasic | Modifies the Serverless HBase instance name | 20 |
| DescribeSLInstanceList | Queries the Serverless HBase instance list | 20 |
| CreateSLInstance | Creates a Serverless HBase instance | 20 |
| ModifySLInstance | Resizes a Serverless HBase instance | 20 |
YARN Resource Scheduling APIs
| API Name | Feature | Frequency Limit (maximum requests per second) |
|---|---|---|
| DescribeResourceScheduleDiffDetail | Queries change details in YARN resource scheduling | 20 |
| DeployYarnConf | Brings the configuration into effect in YARN resource scheduling after deployment | 20 |
| ResetYarnConfig | Resets data in YARN resource scheduling | 20 |
| DescribeYarnQueue | Obtains queue information in resource scheduling | 20 |
| ModifyYarnQueueV2 | Modifies queue information in YARN resource scheduling | 20 |
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