pub.chive.admin.getNodeMetrics

lexicons.governance.chive.pub

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Get Node.js runtime metrics and process information

main query

Get Node.js runtime metrics and process information

Output

Encodingapplication/json
metrics array Required

Node.js and process metric entries

processInfo ref#processInfo Required

Process runtime information

Errors

AuthenticationRequired
AdminRequired
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View raw schema 
{
  "description": "Get Node.js runtime metrics and process information",
  "errors": [
    {
      "name": "AuthenticationRequired"
    },
    {
      "name": "AdminRequired"
    }
  ],
  "output": {
    "encoding": "application/json",
    "schema": {
      "properties": {
        "metrics": {
          "description": "Node.js and process metric entries",
          "items": {
            "ref": "#nodeMetric",
            "type": "ref"
          },
          "type": "array"
        },
        "processInfo": {
          "description": "Process runtime information",
          "ref": "#processInfo",
          "type": "ref"
        }
      },
      "required": [
        "metrics",
        "processInfo"
      ],
      "type": "object"
    }
  },
  "parameters": {
    "properties": {},
    "type": "params"
  },
  "type": "query"
}
nodeMetric object

A Node.js runtime metric

Properties

name string Required

Metric name

type string Required

Metric type

Known values: counter, gauge, histogram
unit string Optional

Unit of measurement (bytes, seconds, percent)

value string Required

Current value (numeric string)

View raw schema 
{
  "description": "A Node.js runtime metric",
  "properties": {
    "name": {
      "description": "Metric name",
      "type": "string"
    },
    "type": {
      "description": "Metric type",
      "knownValues": [
        "counter",
        "gauge",
        "histogram"
      ],
      "type": "string"
    },
    "unit": {
      "description": "Unit of measurement (bytes, seconds, percent)",
      "type": "string"
    },
    "value": {
      "description": "Current value (numeric string)",
      "type": "string"
    }
  },
  "required": [
    "name",
    "value",
    "type"
  ],
  "type": "object"
}
processInfo object

Node.js process runtime information

Properties

cpuSystem integer Optional

CPU system time in microseconds

cpuUser integer Optional

CPU user time in microseconds

eventLoopLag integer Optional

Event loop lag in microseconds

external integer Optional

External memory in bytes

heapTotal integer Required

V8 heap total in bytes

heapUsed integer Required

V8 heap used in bytes

pid integer Required

Process ID

rss integer Required

Resident set size in bytes

uptime integer Required

Process uptime in seconds

View raw schema 
{
  "description": "Node.js process runtime information",
  "properties": {
    "cpuSystem": {
      "description": "CPU system time in microseconds",
      "type": "integer"
    },
    "cpuUser": {
      "description": "CPU user time in microseconds",
      "type": "integer"
    },
    "eventLoopLag": {
      "description": "Event loop lag in microseconds",
      "type": "integer"
    },
    "external": {
      "description": "External memory in bytes",
      "type": "integer"
    },
    "heapTotal": {
      "description": "V8 heap total in bytes",
      "type": "integer"
    },
    "heapUsed": {
      "description": "V8 heap used in bytes",
      "type": "integer"
    },
    "pid": {
      "description": "Process ID",
      "type": "integer"
    },
    "rss": {
      "description": "Resident set size in bytes",
      "type": "integer"
    },
    "uptime": {
      "description": "Process uptime in seconds",
      "type": "integer"
    }
  },
  "required": [
    "pid",
    "uptime",
    "heapUsed",
    "heapTotal",
    "rss"
  ],
  "type": "object"
}

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