Trino

Trino Cluster API

Cluster status and node information

Documentation GitHub OpenAPI

Operations 2

GET /v1/info Get Cluster Info #

GET /v1/node List Cluster Nodes #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Trino Client REST Cluster API
  description: 'The Trino Client REST API allows clients to submit SQL queries to a Trino coordinator and retrieve results. The protocol is HTTP-based: clients POST a query to /v1/statement, then poll GET on the returned nextUri until results are fully retrieved, and may DELETE nextUri to cancel a running query. Trino is a distributed SQL query engine for big data analytics supporting connectors to data lakes, relational databases, and NoSQL stores.'
  version: '480'
  contact:
    name: Trino Community
    url: https://trino.io/community.html
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: http://{host}:{port}
  description: Trino coordinator
  variables:
    host:
      default: localhost
      description: Trino coordinator hostname or IP
    port:
      default: '8080'
      description: Trino coordinator HTTP port
security: []
tags:
- name: Cluster
  description: Cluster status and node information
paths:
  /v1/info:
    get:
      operationId: getClusterInfo
      summary: Get Cluster Info
      description: Returns general information about the Trino cluster including version, uptime, and whether the coordinator is still starting up. Used by load balancers and Trino Gateway to verify cluster health.
      tags:
      - Cluster
      responses:
        '200':
          description: Cluster information
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ServerInfo'
  /v1/node:
    get:
      operationId: listNodes
      summary: List Cluster Nodes
      description: Returns a list of all active worker nodes in the Trino cluster, including their node ID, URI, last heartbeat time, and resource usage.
      tags:
      - Cluster
      responses:
        '200':
          description: List of active nodes
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/NodeStatus'
components:
  schemas:
    NodeStatus:
      type: object
      description: Status of a Trino cluster node
      properties:
        nodeId:
          type: string
          description: Unique node identifier
        nodeIp:
          type: string
          description: Node IP address
        lastResponseTime:
          type: string
          format: date-time
          description: Timestamp of last heartbeat
        recentRequests:
          type: number
          format: double
        recentFailures:
          type: number
          format: double
        recentSuccesses:
          type: number
          format: double
        age:
          type: string
          description: Duration since node joined the cluster
    ServerInfo:
      type: object
      description: Trino cluster information
      properties:
        nodeVersion:
          type: object
          properties:
            version:
              type: string
              description: Trino release version
              example: '480'
        environment:
          type: string
          description: Trino environment name (from node.environment config)
          example: production
        coordinator:
          type: boolean
          description: True if this node is the coordinator
        starting:
          type: boolean
          description: True if the cluster is still initializing
        uptime:
          type: string
          description: Human-readable uptime duration
externalDocs:
  description: Trino Client REST API Documentation
  url: https://trino.io/docs/current/develop/client-protocol.html