{
  "schemaVersion": 1,
  "generatedAt": "2026-07-22",
  "benchmark": "admin user listing full component-path A/B",
  "environment": {
    "platform": "darwin",
    "arch": "arm64",
    "cpu": "Apple M4 Pro",
    "postgresImage": "postgres:18.2-alpine3.23",
    "container": "oxicloud-postgres-1",
    "client": "release Rust/sqlx harness over the local container bridge"
  },
  "scope": {
    "historical": "full-row SQL -> full DTO -> COUNT SQL -> Serde JSON",
    "candidate": "hot Moka user-flags lookup -> system-admin policy check -> narrow summary SQL -> summary DTO -> COUNT SQL -> Serde JSON",
    "commonWork": "one sqlx connection, identical 100-user ordering/count/pagination, identical temporary fixture and JSON page envelope",
    "excluded": "Axum routing, JWT parsing, socket-level HTTP framing and browser parsing; the historical side also omits the old handler's intermediate serde_json::Value materialization, making its baseline optimistic. This is a conservative component-path gate, not a whole HTTP-stack claim"
  },
  "method": {
    "users": 100,
    "limit": 100,
    "offset": 0,
    "minimalProfile": "small ordinary account-detail fields",
    "heavyProfile": "512 KiB image and 8 KiB UI-preference payload per user",
    "timing": "interleaved/alternating paths after three warmups; isolated from other benchmark agents",
    "rss": "three fresh client processes per path/profile using /usr/bin/time -l; process setup is common and included in max RSS",
    "databaseState": "per-process PostgreSQL TEMP table; no persistent rows or indexes"
  },
  "minimal": {
    "timing": {
      "samples": 31,
      "warmups": 3,
      "order": "interleaved and alternated",
      "historicalFullSamplesMs": [
        4.4581669999999995,
        0.8505,
        0.9585,
        0.808334,
        0.865125,
        0.867916,
        0.8726670000000001,
        0.937375,
        1.013833,
        1.114166,
        5.163166,
        206.010333,
        208.088916,
        4.949625,
        1.5272919999999999,
        2.3782080000000003,
        0.9502090000000001,
        8.851790999999999,
        3.048167,
        1.546792,
        1.5305410000000002,
        1.380125,
        1.295833,
        1.279625,
        1.33425,
        0.9305410000000001,
        8.786916,
        1.217792,
        5.245125,
        0.967917,
        1.1993749999999999
      ],
      "candidateSummaryHotAuthzSamplesMs": [
        1.0223330000000002,
        0.7933330000000001,
        0.829875,
        0.793083,
        0.86025,
        0.7274160000000001,
        5.1122499999999995,
        0.9088339999999999,
        0.707833,
        0.746458,
        0.8647079999999999,
        10.13475,
        1.094375,
        206.91925,
        1.455792,
        1.13725,
        0.791542,
        4.578875,
        1.0007499999999998,
        1.060708,
        1.033833,
        0.9833330000000001,
        1.194166,
        0.917292,
        0.966334,
        5.308375,
        0.965333,
        1.058333,
        0.804084,
        0.829,
        0.885375
      ],
      "historicalFullMedianMs": 1.295833,
      "candidateSummaryHotAuthzMedianMs": 0.966334,
      "medianSpeedup": 1.3409783780763174,
      "historicalFullP95Ms": 206.010333,
      "candidateSummaryHotAuthzP95Ms": 10.13475,
      "p95Speedup": 20.327125286760896,
      "historicalJsonBytes": 43759,
      "candidateJsonBytes": 28726,
      "byteReductionPercent": 34.35407573299207,
      "summaryProjectionEqual": true,
      "totalEqual": true
    },
    "freshProcessMemory": {
      "runsPerMode": 3,
      "historical": [
        {
          "maxRssBytes": 7782400,
          "responseElapsedMs": 1.56875,
          "jsonBytes": 43759,
          "exitCode": 0
        },
        {
          "maxRssBytes": 7782400,
          "responseElapsedMs": 204.553417,
          "jsonBytes": 43759,
          "exitCode": 0
        },
        {
          "maxRssBytes": 7782400,
          "responseElapsedMs": 2.007917,
          "jsonBytes": 43759,
          "exitCode": 0
        }
      ],
      "candidate": [
        {
          "maxRssBytes": 7651328,
          "responseElapsedMs": 3.949834,
          "jsonBytes": 28726,
          "exitCode": 0
        },
        {
          "maxRssBytes": 7667712,
          "responseElapsedMs": 1.091208,
          "jsonBytes": 28726,
          "exitCode": 0
        },
        {
          "maxRssBytes": 7684096,
          "responseElapsedMs": 0.982916,
          "jsonBytes": 28726,
          "exitCode": 0
        }
      ],
      "historicalMedianMaxRssBytes": 7782400,
      "candidateMedianMaxRssBytes": 7667712,
      "candidateMinusHistoricalRssBytes": -114688,
      "rssReductionPercent": 1.473684210526316,
      "historicalColdMedianElapsedMs": 2.007917,
      "candidateColdMedianElapsedMs": 1.091208,
      "coldMedianSpeedup": 1.8400863996598267
    }
  },
  "heavy": {
    "timing": {
      "samples": 11,
      "warmups": 3,
      "order": "interleaved and alternated",
      "historicalFullSamplesMs": [
        3519.616458,
        4157.738708,
        870.990208,
        301.8805,
        1296.212125,
        1141.4217500000002,
        60.022708,
        297.898916,
        2261.6492089999997,
        1438.1172920000001,
        398.208167
      ],
      "candidateSummaryHotAuthzSamplesMs": [
        4.283292,
        0.9297500000000001,
        0.933166,
        0.719,
        219.19591699999998,
        16.399291,
        0.919209,
        0.654208,
        0.965792,
        5.121874999999999,
        1.2095
      ],
      "historicalFullMedianMs": 1141.4217500000002,
      "candidateSummaryHotAuthzMedianMs": 0.965792,
      "medianSpeedup": 1181.8504916172428,
      "historicalFullP95Ms": 4157.738708,
      "candidateSummaryHotAuthzP95Ms": 219.19591699999998,
      "p95Speedup": 18.96813939285192,
      "historicalJsonBytes": 53306743,
      "candidateJsonBytes": 28726,
      "byteReductionPercent": 99.9461118830689,
      "summaryProjectionEqual": true,
      "totalEqual": true
    },
    "freshProcessMemory": {
      "runsPerMode": 3,
      "historical": [
        {
          "maxRssBytes": 151683072,
          "responseElapsedMs": 4506.601708,
          "jsonBytes": 53306743,
          "exitCode": 0
        },
        {
          "maxRssBytes": 144162816,
          "responseElapsedMs": 2585.629333,
          "jsonBytes": 53306743,
          "exitCode": 0
        },
        {
          "maxRssBytes": 146292736,
          "responseElapsedMs": 6410.820542,
          "jsonBytes": 53306743,
          "exitCode": 0
        }
      ],
      "candidate": [
        {
          "maxRssBytes": 7667712,
          "responseElapsedMs": 1.080875,
          "jsonBytes": 28726,
          "exitCode": 0
        },
        {
          "maxRssBytes": 7651328,
          "responseElapsedMs": 1.061042,
          "jsonBytes": 28726,
          "exitCode": 0
        },
        {
          "maxRssBytes": 7667712,
          "responseElapsedMs": 2.09175,
          "jsonBytes": 28726,
          "exitCode": 0
        }
      ],
      "historicalMedianMaxRssBytes": 146292736,
      "candidateMedianMaxRssBytes": 7667712,
      "candidateMinusHistoricalRssBytes": -138625024,
      "rssReductionPercent": 94.75865158472394,
      "historicalColdMedianElapsedMs": 4506.601708,
      "candidateColdMedianElapsedMs": 1.080875,
      "coldMedianSpeedup": 4169.401372036545
    }
  },
  "correctness": {
    "exactRenderedFieldProjectionAndOrder": true,
    "exactTotalCount": true,
    "hotAuthorizationFlagsAsserted": {
      "role": "admin",
      "isExternal": false,
      "active": true
    },
    "allProcessesExitedSuccessfully": true
  },
  "decision": {
    "status": "accepted",
    "productionVariant": "summary=true compact admin listing with authoritative service-layer AuthZ",
    "reason": "The representative minimal profile improved median component latency 1.296 -> 0.966 ms, reduced JSON 34.35%, and saved 112 KiB median max RSS. The heavy profile improved median latency 1141.422 -> 0.966 ms, reduced JSON 99.946%, and saved 138,625,024 bytes median max RSS. Exact projected fields, order, and counts matched."
  }
}