{
  "date": "2026-09-22",
  "host": "Juniper",
  "cpu": "Intel Xeon Platinum 8260, 24 cores / 48 logical processors",
  "constraints": "Shared host with concurrent development and CI (this machine is also a CI runner). The run started only once the one-minute load average was below the 48 logical processors and no other dotnet build/test process was running. Load averages at start and end: 25.97, 32.39, 30.57; 15.02, 25.11, 28.11. Every timing sample also records the load average. No benchmark-specific CPU or memory limits; shared-host diagnostic evidence, not environment qualification.",
  "variant": "baseline single-pass read (session C, paired with the shipped read)",
  "repositoryCommit": "b9f8bad14c844e162309500a13208eeefca1c8c7",
  "harnessSha256": "fe9ebf184f87d410ccbf868b3a7a5b337dc7b2155bfe5faffbccde6be83343e0",
  "testPassed": true,
  "observations": [
    {
      "kind": "environment",
      "mongo": "8.0.28",
      "dotnet": "10.0.0",
      "buildConfiguration": "Release",
      "processors": 48,
      "studyCount": 100000,
      "noiseCount": 10000,
      "reviewerCount": 50,
      "reviewsPerStudy": 2,
      "iterations": 10,
      "activeReviewerTracking": true,
      "enforceMaxInProgressSessions": true,
      "maxInProgress": null,
      "fullyReviewed": false,
      "abstractBytes": 4096,
      "savedPercent": 35,
      "atCapacityPercent": 5,
      "excludedPercent": 5,
      "reservedPercent": 5,
      "hostLoadAverage": "23.34 31.23 30.26",
      "dataBytes": 637481890,
      "indexBytes": 24834048,
      "indexes": [
        {
          "name": "_id_",
          "key": "{ \"_id\" : 1 }"
        },
        {
          "name": "ProjectId_1_ScreeningInfo.InclusionInfo.ProjectAgreementThreshold.NumberScreened_1_ScreeningInfo.InclusionInfo.ProjectAgreementThreshold.AbsoluteAgreementRatio_1_ScreeningInfo.InclusionInfo.Overscreened_1",
          "key": "{ \"ProjectId\" : 1, \"ScreeningInfo.InclusionInfo.ProjectAgreementThreshold.NumberScreened\" : 1, \"ScreeningInfo.InclusionInfo.ProjectAgreementThreshold.AbsoluteAgreementRatio\" : 1, \"ScreeningInfo.InclusionInfo.Overscreened\" : 1 }"
        },
        {
          "name": "ProjectId_1_ScreeningInfo.InclusionInfo.ProjectAgreementThreshold.NumberScreened_1_ScreeningInfo.InclusionInfo.ProjectAgreementThreshold.AbsoluteAgreementRatio_1_ScreeningInfo.InclusionInfo.StudyScreenStatus_1_ScreeningInfo.InclusionInfo.Overscreened_1",
          "key": "{ \"ProjectId\" : 1, \"ScreeningInfo.InclusionInfo.ProjectAgreementThreshold.NumberScreened\" : 1, \"ScreeningInfo.InclusionInfo.ProjectAgreementThreshold.AbsoluteAgreementRatio\" : 1, \"ScreeningInfo.InclusionInfo.StudyScreenStatus\" : 1, \"ScreeningInfo.InclusionInfo.Overscreened\" : 1 }"
        },
        {
          "name": "ProjectId_1_ScreeningInfo.Screenings.ScreenerId_1",
          "key": "{ \"ProjectId\" : 1, \"ScreeningInfo.Screenings.ScreenerId\" : 1 }"
        },
        {
          "name": "ProjectId_1_ScreeningInfo.AgreementMeasure.NumberScreened_1_ScreeningInfo.AgreementMeasure.AbsoluteAgreementRatio_1_SystematicSearchId_1",
          "key": "{ \"ProjectId\" : 1, \"ScreeningInfo.AgreementMeasure.NumberScreened\" : 1, \"ScreeningInfo.AgreementMeasure.AbsoluteAgreementRatio\" : 1, \"SystematicSearchId\" : 1 }"
        },
        {
          "name": "ProjectId_1_ScreeningInfo.AgreementMeasure.NumberScreened_1_ScreeningInfo.AgreementMeasure.AbsoluteAgreementRatio_1_DateTimeCreated_1",
          "key": "{ \"ProjectId\" : 1, \"ScreeningInfo.AgreementMeasure.NumberScreened\" : 1, \"ScreeningInfo.AgreementMeasure.AbsoluteAgreementRatio\" : 1, \"DateTimeCreated\" : 1 }"
        },
        {
          "name": "ProjectId_1_ScreeningInfo.AgreementMeasure.NumberScreened_1_ScreeningInfo.AgreementMeasure.AbsoluteAgreementRatio_1_ExtractionInfo.Sessions.InvestigatorId_1_ExtractionInfo.Sessions.Status_1_SystematicSearchId_1",
          "key": "{ \"ProjectId\" : 1, \"ScreeningInfo.AgreementMeasure.NumberScreened\" : 1, \"ScreeningInfo.AgreementMeasure.AbsoluteAgreementRatio\" : 1, \"ExtractionInfo.Sessions.InvestigatorId\" : 1, \"ExtractionInfo.Sessions.Status\" : 1, \"SystematicSearchId\" : 1 }"
        },
        {
          "name": "ProjectId_1_ScreeningInfo.AgreementMeasure.NumberScreened_1_ScreeningInfo.AgreementMeasure.AbsoluteAgreementRatio_1_ExtractionInfo.SessionTallies.StageId_1_ExtractionInfo.SessionTallies.NumberOfCandidateSessions_1_SystematicSearchId_1",
          "key": "{ \"ProjectId\" : 1, \"ScreeningInfo.AgreementMeasure.NumberScreened\" : 1, \"ScreeningInfo.AgreementMeasure.AbsoluteAgreementRatio\" : 1, \"ExtractionInfo.SessionTallies.StageId\" : 1, \"ExtractionInfo.SessionTallies.NumberOfCandidateSessions\" : 1, \"SystematicSearchId\" : 1 }"
        },
        {
          "name": "ProjectId_1_ExtractionInfo.SessionTallies.StageId_1_ExtractionInfo.SessionTallies.NumberOfCandidateSessions_1_SystematicSearchId_1",
          "key": "{ \"ProjectId\" : 1, \"ExtractionInfo.SessionTallies.StageId\" : 1, \"ExtractionInfo.SessionTallies.NumberOfCandidateSessions\" : 1, \"SystematicSearchId\" : 1 }"
        },
        {
          "name": "ProjectId_1_ExtractionInfo.SessionTallies.StageId_1_ExtractionInfo.SessionTallies.NumberOfCandidateSessions_1",
          "key": "{ \"ProjectId\" : 1, \"ExtractionInfo.SessionTallies.StageId\" : 1, \"ExtractionInfo.SessionTallies.NumberOfCandidateSessions\" : 1 }"
        },
        {
          "name": "ProjectId_1_ExtractionInfo.SessionTallies.StageId_1_ExtractionInfo.SessionTallies.ReconciliationStarted_1",
          "key": "{ \"ProjectId\" : 1, \"ExtractionInfo.SessionTallies.StageId\" : 1, \"ExtractionInfo.SessionTallies.ReconciliationStarted\" : 1 }"
        },
        {
          "name": "ProjectId_1",
          "key": "{ \"ProjectId\" : 1 }"
        },
        {
          "name": "ProjectId_1__id_1",
          "key": "{ \"ProjectId\" : 1, \"_id\" : 1 }"
        },
        {
          "name": "ProjectId_1_WorkloadShareBucket_1",
          "key": "{ \"ProjectId\" : 1, \"WorkloadShareBucket\" : 1 }"
        },
        {
          "name": "Abstract_text_PublicationName.AlternateName_text_PublicationName.Name_text_Title_text_Keywords_text",
          "key": "{ \"_fts\" : \"text\", \"_ftsx\" : 1 }"
        },
        {
          "name": "ProjectId_1_SystematicSearchId_1",
          "key": "{ \"ProjectId\" : 1, \"SystematicSearchId\" : 1 }"
        },
        {
          "name": "ProjectId_1_ExtractionInfo.Annotations.AnnotatorId_1",
          "key": "{ \"ProjectId\" : 1, \"ExtractionInfo.Annotations.AnnotatorId\" : 1 }"
        }
      ]
    },
    {
      "kind": "timing",
      "name": "plan-build",
      "hostLoadAverage": "23.34 31.23 30.26",
      "firstCallMs": 128.4565,
      "warmMedianMs": 121.44444999999999,
      "warmP95Ms": 134.6438,
      "warmMaxMs": 134.6438,
      "meanProcessAllocatedBytes": 125128551,
      "samples": [
        119.3687,
        119.9264,
        120.286,
        120.8784,
        121.1651,
        121.7238,
        121.9168,
        123.9699,
        132.4777,
        134.6438
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    },
    {
      "kind": "timing",
      "name": "next-legacy",
      "hostLoadAverage": "21.28 30.53 30.04",
      "firstCallMs": 770.1035,
      "warmMedianMs": 523.08215,
      "warmP95Ms": 542.3986,
      "warmMaxMs": 542.3986,
      "meanProcessAllocatedBytes": 124272,
      "samples": [
        514.2501,
        519.7576,
        520.6271,
        521.0415,
        522.7736,
        523.3907,
        532.424,
        534.1322,
        536.5594,
        542.3986
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    },
    {
      "kind": "query-diagnostic",
      "name": "next-legacy",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, _id: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "5731",
      "diagnosticMs": "531"
    },
    {
      "kind": "query-explain",
      "name": "next-legacy",
      "stages": [
        "FETCH index=BsonNull nReturned=89600 keysExamined=BsonNull docsExamined=100000 ms=123",
        "  IXSCAN index=ProjectId_1__id_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=10",
        "$sample nReturned=1 ms=570"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-legacy",
      "residentMb": 920
    },
    {
      "kind": "timing",
      "name": "next-allocated",
      "hostLoadAverage": "21.28 30.53 30.04",
      "firstCallMs": 65.2447,
      "warmMedianMs": 28.3674,
      "warmP95Ms": 29.7773,
      "warmMaxMs": 29.7773,
      "meanProcessAllocatedBytes": 139708,
      "samples": [
        25.9368,
        26.3499,
        27.335,
        27.645,
        28.3534,
        28.3814,
        28.9833,
        29.0114,
        29.5547,
        29.7773
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    },
    {
      "kind": "query-diagnostic",
      "name": "next-allocated",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, WorkloadShareBucket: 1 }",
      "documentsExamined": "3997",
      "keysExamined": "4397",
      "responseBytes": "5731",
      "diagnosticMs": "27"
    },
    {
      "kind": "query-explain",
      "name": "next-allocated",
      "stages": [
        "FETCH index=BsonNull nReturned=3566 keysExamined=BsonNull docsExamined=3997 ms=1",
        "  IXSCAN index=ProjectId_1_WorkloadShareBucket_1 nReturned=3997 keysExamined=4397 docsExamined=BsonNull ms=0",
        "$sample nReturned=1 ms=34"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-allocated",
      "residentMb": 920
    },
    {
      "kind": "timing",
      "name": "reviewer-page",
      "hostLoadAverage": "21.15 29.88 29.84",
      "firstCallMs": 2092.4574,
      "warmMedianMs": 1723.9203,
      "warmP95Ms": 2033.36,
      "warmMaxMs": 2033.36,
      "meanProcessAllocatedBytes": 635932,
      "samples": [
        1691.2169,
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        1707.8121,
        1714.5648,
        1718.8551,
        1728.9855,
        1745.6139,
        1752.8202,
        1753.8404,
        2033.36
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    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-page",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "3516",
      "diagnosticMs": "1965"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-page",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=BsonNull ms=197",
        "  FETCH index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=100000 ms=100",
        "    IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=22",
        "$set nReturned=100000 ms=505",
        "$facet nReturned=1 ms=1740"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-page",
      "residentMb": 1083
    },
    {
      "kind": "timing",
      "name": "admin-progress",
      "hostLoadAverage": "17.27 28.11 29.25",
      "firstCallMs": 2262.039,
      "warmMedianMs": 2123.4621500000003,
      "warmP95Ms": 2372.1789,
      "warmMaxMs": 2372.1789,
      "meanProcessAllocatedBytes": 1824956,
      "samples": [
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        2088.6279,
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        2123.2331,
        2123.6912,
        2127.0199,
        2162.294,
        2365.8682,
        2372.1789
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    },
    {
      "kind": "query-diagnostic",
      "name": "admin-progress",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "5936",
      "diagnosticMs": "2128"
    },
    {
      "kind": "query-explain",
      "name": "admin-progress",
      "skipped": "profiled command is not a complete aggregate"
    },
    {
      "kind": "memory-snapshot",
      "name": "admin-progress",
      "residentMb": 1085
    },
    {
      "kind": "query-explain",
      "name": "admin-progress classification (whole project)",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=BsonNull ms=1871",
        "  FETCH index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=100000 ms=95",
        "    IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=59",
        "$unwind nReturned=238414 ms=2203",
        "$group nReturned=50 ms=2365"
      ]
    },
    {
      "kind": "timing",
      "name": "reviewer-stale",
      "hostLoadAverage": "19.53 27.24 28.90",
      "firstCallMs": 1644.498,
      "warmMedianMs": 1718.8238000000001,
      "warmP95Ms": 1969.8379,
      "warmMaxMs": 1969.8379,
      "meanProcessAllocatedBytes": 523658,
      "samples": [
        1615.189,
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        1645.6733,
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        1837.8701,
        1969.8379
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    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-stale",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "3491",
      "diagnosticMs": "1626"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-stale",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=BsonNull ms=179",
        "  FETCH index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=100000 ms=30",
        "    IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=12",
        "$set nReturned=100000 ms=502",
        "$facet nReturned=1 ms=1703"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-stale",
      "residentMb": 1093
    },
    {
      "kind": "timing",
      "name": "next-empty-buckets",
      "hostLoadAverage": "18.22 26.71 28.71",
      "firstCallMs": 2011.5466,
      "warmMedianMs": 322.0242,
      "warmP95Ms": 493.0194,
      "warmMaxMs": 493.0194,
      "meanProcessAllocatedBytes": 109851,
      "samples": [
        314.3982,
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        314.9999,
        316.1273,
        319.772,
        324.2764,
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        338.9847,
        415.8267,
        493.0194
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    },
    {
      "kind": "query-diagnostic",
      "name": "next-empty-buckets",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "146",
      "diagnosticMs": "317"
    },
    {
      "kind": "query-explain",
      "name": "next-empty-buckets",
      "stages": [
        "FETCH index=BsonNull nReturned=0 keysExamined=BsonNull docsExamined=100000 ms=339",
        "  IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=71",
        "$sample nReturned=0 ms=250"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-empty-buckets",
      "residentMb": 1094
    },
    {
      "kind": "timing",
      "name": "reviewer-at-in-progress-limit",
      "hostLoadAverage": "15.37 25.35 28.21",
      "firstCallMs": 1786.2479,
      "warmMedianMs": 1795.3573000000001,
      "warmP95Ms": 2417.9888,
      "warmMaxMs": 2417.9888,
      "meanProcessAllocatedBytes": 657047,
      "samples": [
        1712.8392,
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        1753.8484,
        1757.1068,
        1772.7638,
        1817.9508,
        1863.906,
        1897.2733,
        1915.0501,
        2417.9888
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    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-at-in-progress-limit",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "3557",
      "diagnosticMs": "1778"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-at-in-progress-limit",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=BsonNull ms=214",
        "  FETCH index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=100000 ms=85",
        "    IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=20",
        "$set nReturned=100000 ms=562",
        "$facet nReturned=1 ms=1830"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-at-in-progress-limit",
      "residentMb": 1094
    }
  ]
}