{
  "date": "2026-10-20",
  "source": "perf/e2e-mqtt-bridge-comparison/reports/2026-10-20-mini-debian-full-installed.md",
  "source_sha256": "95af570cfe18e17a736b78638dc6c7d50106f0d8b4a6fa209c49946911afc083",
  "scope": "Installed in-memory MQTT bridge/export workload on the measured Mini host; sampled operating points with invalid attempts retained.",
  "profile": "memory-backed export",
  "mqtt": "3.1.1",
  "qos": 1,
  "payload_bytes": 128,
  "connections": 200,
  "offer_seconds": 30,
  "product_physical_cores": 3,
  "generator": "separate host",
  "product_cpu": "Intel Core i7-3615QM",
  "thermal": {
    "peakCelsius": 103,
    "throttle_counter_increase": 146
  },
  "subjects": [
    {
      "name": "CitusIO Max · Alpine",
      "rate": 80000,
      "validPasses": 2,
      "attempts": 4,
      "image": "sha256:531b74e2a537f22e810283334a3d8af5bbc2c08056eb054815c0c65d0b9d01a2",
      "payload_rates": {
        "1024": 50000,
        "65536": 1000
      }
    },
    {
      "name": "CitusIO Max · Debian",
      "rate": 80000,
      "validPasses": 3,
      "attempts": 4,
      "image": "sha256:f333614f005d7c42158b97fa26b8d2d13b671f0155028836d842e22f99092b00",
      "payload_rates": {
        "1024": 50000,
        "65536": 1000
      }
    },
    {
      "name": "Mosquitto 2.1.2",
      "rate": 40000,
      "validPasses": 4,
      "attempts": 4,
      "image": "sha256:6f8d8a947c506f8a2290ec65cd4bd2bc7cb4d43fb5f6271f861cb013e2ef9797",
      "payload_rates": {
        "1024": 30000,
        "65536": 1000
      }
    },
    {
      "name": "EMQX 6.3.2",
      "rate": 15000,
      "validPasses": 2,
      "attempts": 2,
      "image": "sha256:96dd9eac72b1744ea995a30ee8fa16c8a5c3e0a3cd2bafc9749aba9a63c0b02a",
      "payload_rates": {
        "1024": 15000,
        "65536": 1000
      }
    }
  ],
  "experiment": {
    "cases": 125,
    "strict_passes": 85,
    "valid_product_limit_failures": 17,
    "invalid_offers": 23
  },
  "slo": {
    "ack_p99_max_seconds": 1,
    "oldest_ack_max_seconds": 1,
    "deadline_backlog_max_offer_seconds": 1.25,
    "drain_max_seconds": 2,
    "exact_sink_messages_and_bytes": true
  },
  "limitations": [
    "Thermally constrained host; sampled image/workload operating points.",
    "Memory-backed export evidence supplies no durable-store capacity or recovery claim.",
    "Invalid offers never count as passes; the experiment includes failures and invalid cells.",
    "No claim about universal broker ceilings or portable comparative ranking."
  ],
  "sustained": {
    "rate": 10000,
    "offer_seconds": 300,
    "payload_bytes": 128,
    "connections": 200,
    "source": "zig-out/evidence/20261020-three-way-full/three-way-five-minute-sustained.json",
    "source_sha256": "b71e8f83602526074fb17ef01015eda71be24f6f52899ac8164bf569b2a29457",
    "latency_measurement": "Ingress PUBACK histogram captured at the offer deadline; milliseconds.",
    "cpu_measurement": "Observed product CPU core-seconds over the perf attachment interval, including setup and collection around the offer.",
    "memory_measurement": "Sampled high-water RSS and PSS across the product processes; MiB.",
    "subjects": [
      {
        "name": "CitusIO Max · Alpine",
        "image": "sha256:531b74e2a537f22e810283334a3d8af5bbc2c08056eb054815c0c65d0b9d01a2",
        "ack_mean_ms": 0.4425841652084891,
        "ack_p95_ms": 0.659,
        "ack_p99_ms": 0.871,
        "cpu_core_seconds": 431.68802,
        "rss_mib": 591.71484375,
        "pss_mib": 466.9462890625
      },
      {
        "name": "Mosquitto 2.1.2",
        "image": "sha256:6f8d8a947c506f8a2290ec65cd4bd2bc7cb4d43fb5f6271f861cb013e2ef9797",
        "ack_mean_ms": 0.4206174406592018,
        "ack_p95_ms": 0.55,
        "ack_p99_ms": 0.713,
        "cpu_core_seconds": 190.31186,
        "rss_mib": 8.31640625,
        "pss_mib": 8.3046875
      },
      {
        "name": "EMQX 6.3.2",
        "image": "sha256:96dd9eac72b1744ea995a30ee8fa16c8a5c3e0a3cd2bafc9749aba9a63c0b02a",
        "ack_mean_ms": 0.5674622401615069,
        "ack_p95_ms": 0.728,
        "ack_p99_ms": 1.086,
        "cpu_core_seconds": 1274.40267,
        "rss_mib": 622.4296875,
        "pss_mib": 488.099609375
      }
    ]
  }
}