Apache Hadoop

Apache Hadoop YARN Applications API

Application listing, submission, and lifecycle.

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OpenAPI Specification

openapi: 3.0.3
info:
  title: Apache Hadoop REST APIs WebHDFS YARN Applications 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 Applications
  description: Application listing, submission, and lifecycle.
paths:
  /ws/v1/cluster/apps:
    get:
      summary: List applications
      operationId: listApps
      tags:
      - YARN Applications
      parameters:
      - name: state
        in: query
        schema:
          type: string
      - name: user
        in: query
        schema:
          type: string
      - name: queue
        in: query
        schema:
          type: string
      responses:
        '200':
          description: Applications list
    post:
      summary: Submit a new application
      operationId: submitApp
      tags:
      - YARN Applications
      responses:
        '202':
          description: Submitted
  /ws/v1/cluster/apps/{appid}:
    get:
      summary: Application details
      operationId: getApp
      tags:
      - YARN Applications
      parameters:
      - name: appid
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Application details
  /ws/v1/cluster/apps/{appid}/state:
    put:
      summary: Update application state
      operationId: updateAppState
      tags:
      - YARN Applications
      parameters:
      - name: appid
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: State updated
  /ws/v1/cluster/apps/{appid}/queue:
    put:
      summary: Move application to a different queue
      operationId: updateAppQueue
      tags:
      - YARN Applications
      parameters:
      - name: appid
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Queue updated
  /ws/v1/cluster/apps/{appid}/priority:
    put:
      summary: Update application priority
      operationId: updateAppPriority
      tags:
      - YARN Applications
      parameters:
      - name: appid
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Priority updated
  /ws/v1/cluster/apps/{appid}/appattempts:
    get:
      summary: List application attempts
      operationId: listAppAttempts
      tags:
      - YARN Applications
      parameters:
      - name: appid
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Application attempts
  /ws/v1/cluster/appstatistics:
    get:
      summary: Application statistics
      operationId: getAppStatistics
      tags:
      - YARN Applications
      responses:
        '200':
          description: Application statistics by type and state