{
  "id": "bbg-p0330-messaging-events-and-streaming-messaging",
  "title": "Kafka Cluster At A High Level",
  "chapter": "messaging-events-and-streaming",
  "batch": "26",
  "rank": 256,
  "sourcePage": 330,
  "sourcePointer": "p. 330",
  "status": "accepted",
  "reviewerStatus": "reviewed",
  "fidelityScore": 0.9,
  "canvas": {
    "width": 960,
    "height": 640
  },
  "fireworksTechGraph": {
    "style": "style-1-flat-icon",
    "diagramType": "data-flow",
    "topologyNotes": [
      "source page render inspected",
      "extracted page text inspected",
      "source page render inspected",
      "preserve high-level Kafka topology: producers publish to topics/partitions in brokers, cluster metadata/coordination supports consumers and consumer groups",
      "omit logos, decorative source icons, and vendor examples"
    ],
    "publicBoundary": [
      "original vector output",
      "no source pixels",
      "no source mark or long wording"
    ]
  },
  "callouts": [],
  "sourceReview": {
    "conceptAnchors": [
      "concept: producers",
      "concept: topics and partitions",
      "concept: broker cluster",
      "concept: cluster coordination",
      "concept: consumer group"
    ],
    "labelSource": "curated",
    "semanticStatus": "reviewed"
  },
  "groups": [
    {
      "id": "produce",
      "label": "Producers",
      "x": 58,
      "y": 128,
      "w": 184,
      "h": 330
    },
    {
      "id": "cluster",
      "label": "Kafka cluster",
      "x": 296,
      "y": 110,
      "w": 374,
      "h": 364
    },
    {
      "id": "consume",
      "label": "Consumer group",
      "x": 728,
      "y": 128,
      "w": 174,
      "h": 330
    }
  ],
  "shapes": [
    {
      "id": "web",
      "kind": "rect",
      "label": "Web app",
      "detail": "events",
      "x": 92,
      "y": 168,
      "w": 112,
      "h": 54,
      "tone": "blue"
    },
    {
      "id": "mobile",
      "kind": "rect",
      "label": "Mobile app",
      "detail": "events",
      "x": 92,
      "y": 270,
      "w": 112,
      "h": 54,
      "tone": "blue"
    },
    {
      "id": "logs",
      "kind": "rect",
      "label": "Logs",
      "detail": "telemetry",
      "x": 92,
      "y": 370,
      "w": 112,
      "h": 54,
      "tone": "gray"
    },
    {
      "id": "topicA",
      "kind": "queue",
      "label": "Topic A",
      "detail": "partitions",
      "x": 332,
      "y": 160,
      "w": 122,
      "h": 52,
      "tone": "purple"
    },
    {
      "id": "topicB",
      "kind": "queue",
      "label": "Topic B",
      "detail": "partitions",
      "x": 510,
      "y": 160,
      "w": 122,
      "h": 52,
      "tone": "purple"
    },
    {
      "id": "brokers",
      "kind": "rect",
      "label": "Broker cluster",
      "detail": "replicas",
      "x": 400,
      "y": 300,
      "w": 146,
      "h": 62,
      "tone": "orange"
    },
    {
      "id": "coord",
      "kind": "gateway",
      "label": "Coordinator",
      "detail": "metadata",
      "x": 416,
      "y": 390,
      "w": 116,
      "h": 72,
      "tone": "teal"
    },
    {
      "id": "c1",
      "kind": "rect",
      "label": "Consumer 1",
      "detail": "offset",
      "x": 762,
      "y": 184,
      "w": 112,
      "h": 58,
      "tone": "green"
    },
    {
      "id": "c2",
      "kind": "rect",
      "label": "Consumer 2",
      "detail": "offset",
      "x": 762,
      "y": 324,
      "w": 112,
      "h": 58,
      "tone": "green"
    }
  ],
  "connectors": [
    {
      "from": "web",
      "to": "topicA",
      "label": "publish",
      "flow": "async"
    },
    {
      "from": "mobile",
      "to": "topicA",
      "label": "publish",
      "flow": "async"
    },
    {
      "from": "logs",
      "to": "topicB",
      "label": "publish",
      "flow": "async"
    },
    {
      "from": "topicA",
      "to": "brokers",
      "label": "store",
      "flow": "data"
    },
    {
      "from": "topicB",
      "to": "brokers",
      "label": "store",
      "flow": "data"
    },
    {
      "from": "brokers",
      "to": "coord",
      "label": "metadata",
      "flow": "control"
    },
    {
      "from": "topicA",
      "to": "c1",
      "label": "consume",
      "flow": "main"
    },
    {
      "from": "topicB",
      "to": "c2",
      "label": "consume",
      "flow": "main"
    },
    {
      "from": "c2",
      "to": "coord",
      "label": "commit",
      "flow": "data",
      "dashed": true
    }
  ]
}