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API Category

最后更新时间：2024-04-20 14:35:55

Cluster Resource Management APIs

API Name	Feature	Frequency Limit (maximum requests per second)
CreateCluster	Creates EMR cluster instances	20
CreateInstance	Creates EMR instance	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
ScaleOutCluster	Scales out clusters	20
ScaleOutInstance	Scales out instances	20
TerminateInstance	Terminates EMR instances	20
TerminateTasks	Terminates a task node	20
TerminateClusterNodes	Terminates cluster nodes	20

Cluster Services APIs

API Name	Feature	Frequency Limit (maximum requests per second)
DescribeResourceSchedule	Queries the data of YARN Resource Scheduling	20
ModifyResourceScheduleConfig	Modifies the resource configuration of YARN Resource Scheduling	20
ModifyResourceScheduler	Changes the resource scheduler of YARN	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

Data Inquiry APIs

API Name	Feature	Frequency Limit (maximum requests per second)
DescribeHiveQueries	Inquiries Hive query data	20

Autoscaling APIs

API Name	Feature	Frequency Limit (maximum requests per second)
DescribeAutoScaleRecords	Inquiries autoscaling records.	20

Other APIs

API Name	Feature	Frequency Limit (maximum requests per second)
DescribeEmrApplicationStatics	Queries the statistics of YARN tasks	20
ModifyResourcesTags	Forcibly modifies tags.	20

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