{
  "id": "bbg-p0362-observability-reliability-and-debugging-observability",
  "title": "Slow API Debugging Path",
  "chapter": "observability-reliability-and-debugging",
  "batch": "30",
  "rank": 298,
  "sourcePage": 362,
  "sourcePointer": "p. 362",
  "status": "accepted",
  "reviewerStatus": "reviewed",
  "fidelityScore": 0.9,
  "canvas": {
    "width": 960,
    "height": 640
  },
  "fireworksTechGraph": {
    "style": "style-1-flat-icon",
    "diagramType": "flowchart",
    "topologyNotes": [
      "source page render inspected",
      "extracted page text inspected",
      "source page render inspected",
      "preserve debugging sequence: network, payload, backend CPU/blocking work, database, third-party services, and observability evidence",
      "omit vendor logos, source screenshots, and copied flow text"
    ],
    "publicBoundary": [
      "original vector output",
      "no source pixels",
      "no source mark or long wording"
    ]
  },
  "callouts": [],
  "sourceReview": {
    "conceptAnchors": [
      "concept: slow API",
      "concept: network latency",
      "concept: payload compression",
      "concept: backend profiling",
      "concept: database and dependency timing"
    ],
    "labelSource": "curated",
    "semanticStatus": "reviewed"
  },
  "groups": [
    {
      "id": "path",
      "label": "Triage path",
      "x": 58,
      "y": 130,
      "w": 844,
      "h": 132
    },
    {
      "id": "evidence",
      "label": "Evidence and fixes",
      "x": 142,
      "y": 346,
      "w": 676,
      "h": 120
    }
  ],
  "shapes": [
    {
      "id": "start",
      "kind": "circle",
      "label": "Slow API",
      "x": 88,
      "y": 166,
      "w": 70,
      "h": 70,
      "tone": "red"
    },
    {
      "id": "network",
      "kind": "rect",
      "label": "Network",
      "detail": "latency CDN",
      "x": 220,
      "y": 166,
      "w": 112,
      "h": 64,
      "tone": "blue"
    },
    {
      "id": "payload",
      "kind": "rect",
      "label": "Payload",
      "detail": "compress",
      "x": 382,
      "y": 166,
      "w": 112,
      "h": 64,
      "tone": "orange"
    },
    {
      "id": "backend",
      "kind": "rect",
      "label": "Backend",
      "detail": "profile CPU",
      "x": 544,
      "y": 166,
      "w": 112,
      "h": 64,
      "tone": "purple"
    },
    {
      "id": "deps",
      "kind": "diamond",
      "label": "Dependency",
      "detail": "slow?",
      "x": 704,
      "y": 154,
      "w": 118,
      "h": 88,
      "tone": "teal"
    },
    {
      "id": "db",
      "kind": "cylinder",
      "label": "Database",
      "detail": "query timing",
      "x": 188,
      "y": 368,
      "w": 116,
      "h": 76,
      "tone": "green"
    },
    {
      "id": "third",
      "kind": "rect",
      "label": "Third party",
      "detail": "timeouts",
      "x": 422,
      "y": 376,
      "w": 116,
      "h": 58,
      "tone": "gray"
    },
    {
      "id": "trace",
      "kind": "rect",
      "label": "Trace metrics",
      "detail": "find hot path",
      "x": 656,
      "y": 376,
      "w": 116,
      "h": 58,
      "tone": "blue"
    }
  ],
  "connectors": [
    {
      "from": "start",
      "to": "network",
      "label": "start",
      "flow": "main"
    },
    {
      "from": "network",
      "to": "payload",
      "label": "large?",
      "flow": "control"
    },
    {
      "from": "payload",
      "to": "backend",
      "label": "profile",
      "flow": "main"
    },
    {
      "from": "backend",
      "to": "deps",
      "label": "calls",
      "flow": "control"
    },
    {
      "from": "deps",
      "to": "db",
      "label": "query",
      "flow": "data"
    },
    {
      "from": "deps",
      "to": "third",
      "label": "external",
      "flow": "async"
    },
    {
      "from": "backend",
      "to": "trace",
      "label": "measure",
      "flow": "data",
      "dashed": true
    },
    {
      "from": "trace",
      "to": "network",
      "label": "iterate",
      "flow": "control",
      "dashed": true
    }
  ]
}