Supervisor

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/apache-druid/refs/heads/main/json-schema/apache-druid-supervisor-schema.json",
  "title": "Supervisor",
  "description": "An Apache Druid supervisor for managing continuous streaming data ingestion from Kafka or Kinesis.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Supervisor ID (same as datasource name by convention).",
      "example": "wikipedia-kafka"
    },
    "state": {
      "type": "string",
      "description": "Supervisor operational state.",
      "enum": [
        "PENDING",
        "RUNNING",
        "STOPPING",
        "STOPPED",
        "UNHEALTHY_SUPERVISOR",
        "UNHEALTHY_TASKS"
      ],
      "example": "RUNNING"
    },
    "healthStatus": {
      "type": "string",
      "description": "Supervisor health status.",
      "enum": [
        "HEALTHY",
        "UNHEALTHY"
      ],
      "example": "HEALTHY"
    },
    "detailedState": {
      "type": "string",
      "description": "Detailed supervisor sub-state.",
      "example": "RUNNING"
    },
    "spec": {
      "type": "object",
      "description": "Full supervisor spec including ioConfig and tuningConfig."
    },
    "lastTaskCompletionTime": {
      "type": "string",
      "format": "date-time",
      "description": "When the last task completed.",
      "example": "2025-03-15T14:30:00Z"
    },
    "activeTasks": {
      "type": "integer",
      "description": "Number of currently active ingestion tasks.",
      "example": 2
    },
    "publishingTasks": {
      "type": "integer",
      "description": "Number of tasks publishing segments.",
      "example": 0
    }
  }
}