{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/SystemMetrics",
  "title": "SystemMetrics",
  "type": "object",
  "properties": {
    "jvm": {
      "type": "object",
      "properties": {
        "heapUsed": {
          "type": "integer",
          "description": "Heap memory used in bytes"
        },
        "heapMax": {
          "type": "integer",
          "description": "Maximum heap memory in bytes"
        },
        "threads": {
          "type": "integer",
          "description": "Active thread count"
        },
        "uptime": {
          "type": "integer",
          "description": "JVM uptime in milliseconds"
        }
      }
    },
    "database": {
      "type": "object",
      "properties": {
        "activeConnections": {
          "type": "integer",
          "description": "Active database connections"
        },
        "maxConnections": {
          "type": "integer",
          "description": "Maximum pool connections"
        },
        "idleConnections": {
          "type": "integer",
          "description": "Idle connections"
        }
      }
    },
    "requests": {
      "type": "object",
      "properties": {
        "totalCount": {
          "type": "integer",
          "description": "Total request count"
        },
        "averageResponseTime": {
          "type": "number",
          "format": "double",
          "description": "Average response time in milliseconds"
        },
        "errorRate": {
          "type": "number",
          "format": "double",
          "description": "Error rate percentage"
        }
      }
    }
  }
}