{
  "id": "bbg-p0246-database-foundations-database-foundations-cache",
  "title": "Cache Failure Modes",
  "chapter": "database-foundations",
  "batch": "07",
  "rank": 68,
  "sourcePage": 246,
  "sourcePointer": "p. 246",
  "status": "accepted",
  "reviewerStatus": "reviewed",
  "fidelityScore": 0.9,
  "canvas": {
    "width": 960,
    "height": 640
  },
  "fireworksTechGraph": {
    "style": "style-1-flat-icon",
    "diagramType": "comparison",
    "topologyNotes": [
      "source page render inspected",
      "extracted page text inspected",
      "source page render and extracted text inspected",
      "preserve four cache failure cases and mitigation direction",
      "omit decorative source icons and long prose"
    ],
    "publicBoundary": [
      "original vector output",
      "no source pixels",
      "no source mark or long wording"
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  },
  "callouts": [],
  "sourceReview": {
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      "concept: thundering herd",
      "concept: cache penetration",
      "concept: cache breakdown",
      "concept: cache crash",
      "concept: mitigation"
    ],
    "labelSource": "curated",
    "semanticStatus": "reviewed"
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      "y": 126,
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      "h": 310
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      "y": 164,
      "w": 152,
      "h": 62,
      "tone": "red"
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      "x": 294,
      "y": 164,
      "w": 152,
      "h": 62,
      "tone": "orange"
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    {
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      "y": 164,
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      "tone": "purple"
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      "y": 164,
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      "h": 62,
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    },
    {
      "id": "db",
      "kind": "cylinder",
      "label": "Database",
      "detail": "overloaded",
      "x": 406,
      "y": 298,
      "w": 148,
      "h": 78,
      "tone": "gray"
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      "label": "Mitigation",
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      "x": 382,
      "y": 436,
      "w": 196,
      "h": 62,
      "tone": "green"
    }
  ],
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      "from": "herd",
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      "label": "stampede",
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}