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API Overview

Table 1 and Table 2 describes MRS APIs that meet RESTful API design standards.

**Table 1** V2 APIs
API	Function	API URI
Cluster management APIs	Creating Clusters	POST /v2/{project_id}/clusters
Job object APIs	Adding and Executing a Job	POST /v2/{project_id}/clusters/{cluster_id}/job-executions
	Querying Information About a Job	GET /v2/{project_id}/clusters/{cluster_id}/job-executions/{job_execution_id}
	Querying a List of Jobs	GET /v2/{project_id}/clusters/{cluster_id}/job-executions
	Terminating a Job	POST /v2/{project_id}/clusters/{cluster_id}/job-executions/{job_execution_id}/kill
	Deleting Jobs in Batches	POST /v2/{project_id}/clusters/{cluster_id}/job-executions/batch-delete
	Obtain the SQL Result	GET /v2/{project_id}/clusters/{cluster_id}/job-executions/{job_execution_id}/sql-result
SQL APIs	Submitting an SQL Statement	POST /v2/{project_id}/clusters/{cluster_id}/sql-execution
	Querying SQL Results	GET /v2/{project_id}/clusters/{cluster_id}/sql-execution/{sql_id}
	Cancel an SQL Execution Task	POST /v2/{project_id}/clusters/{cluster_id}/sql-execution/{sql_id}/cancel
Cluster HDFS File APIs (V2)	Obtaining Files from a Specified Directory	GET /v2/{project_id}/clusters/{cluster_id}/files?path={directory}&offset={offset}&limit={limit}&sort_key={sort_key}&order={order}
Agency Management (V2)	Querying the Mapping Between a User (Group) and an IAM Agency	GET /v2/{project_id}/clusters/{cluster_id}/agency-mapping
Agency Management (V2)	Updating the Mapping Between a User (Group) and an IAM Agency	PUT /v2/{project_id}/clusters/{cluster_id}/agency-mapping

**Table 2** V1.1 APIs
APIs	Function	API URI
Cluster management APIs (V2)	Creating a Cluster and Running a Job	POST /v1.1/{project_id}/run-job-flow
	Resizing a Cluster	PUT /v1.1/{project_id}/cluster_infos/{cluster_id}
	Querying a Cluster List	GET /v1.1/{project_id}/cluster_infos
	Querying Cluster Details	GET /v1.1/{project_id}/cluster_infos/{cluster_id}
	Deleting a Cluster	DELETE /v1.1/{project_id}/clusters/{cluster_id}
	Querying a Host List	GET /v1.1/{project_id}/clusters/{cluster_id}/hosts
Job object APIs (V2)	Adding a Job and Executing the Job	POST /v1.1/{project_id}/jobs/submit-job
	Querying the exe Object List of Jobs	GET /v1.1/{project_id}/job-exes
	Querying exe Object Details	GET /v1.1/{project_id}/job-exes/{job_exe_id}
Job execution object APIs	Deleting a Job Execution Object	DELETE /v1.1/{project_id}/job-executions/{job_execution_id}
Auto scaling APIs	Configuring an Auto Scaling Rule	POST /v1.1/{project_id}/autoscaling-policy/{cluster_id}
Tag Management APIs	Adding a Tag to a Specified Cluster	POST /v1.1/{project_id}/clusters/{cluster_id}/tags
	Deleting a Tag of a Specified Cluster	DELETE /v1.1/{project_id}/clusters/{cluster_id}/tags/{key}
	Querying Tags of a Specified Cluster	GET /v1.1/{project_id}/clusters/{cluster_id}/tags
	Adding or Deleting Cluster Tags in Batches	POST /v1.1/{project_id}/clusters/{cluster_id}/tags/action
	Querying All Tags	GET /v1.1/{project_id}/clusters/tags
	Querying a List of Clusters with Specified Tags	POST /v1.1/{project_id}/clusters/resource_instances/action

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