openapi: 3.0.3 info: title: Apache Hadoop REST APIs WebHDFS YARN Cluster API description: Aggregated OpenAPI definition for the public REST APIs exposed by Apache Hadoop. Includes WebHDFS for filesystem operations and the YARN ResourceManager for cluster, application, and node management. version: stable contact: name: Apache Hadoop url: https://hadoop.apache.org/ license: name: Apache License 2.0 url: https://www.apache.org/licenses/LICENSE-2.0 servers: - url: http://{host}:{port} description: Hadoop service host variables: host: default: localhost port: default: '50070' tags: - name: YARN Cluster description: Cluster information and metrics. paths: /ws/v1/cluster/info: get: summary: Cluster info operationId: getClusterInfo tags: - YARN Cluster responses: '200': description: Cluster info /ws/v1/cluster/metrics: get: summary: Cluster metrics operationId: getClusterMetrics tags: - YARN Cluster responses: '200': description: Cluster metrics /ws/v1/cluster/scheduler: get: summary: Scheduler info operationId: getScheduler tags: - YARN Cluster responses: '200': description: Scheduler details