{
  "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: 23.81, 28.37, 30.23; 16.88, 24.45, 28.47. Every timing sample also records the load average. No benchmark-specific CPU or memory limits; shared-host diagnostic evidence, not environment qualification.",
  "variant": "rejected: single-pass read with per-study session-holder narrowing",
  "repositoryCommit": "d79a7e53c417c24d129986173b1944eea129297a",
  "harnessSha256": "fe9ebf184f87d410ccbf868b3a7a5b337dc7b2155bfe5faffbccde6be83343e0",
  "testPassed": true,
  "observations": [
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      "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": "26.07 28.47 30.19",
      "dataBytes": 637481890,
      "indexBytes": 24846336,
      "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": "24.79 28.16 30.08",
      "firstCallMs": 125.853,
      "warmMedianMs": 122.0986,
      "warmP95Ms": 123.9048,
      "warmMaxMs": 123.9048,
      "meanProcessAllocatedBytes": 125128551,
      "samples": [
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        120.9945,
        121.3297,
        121.5646,
        122.6326,
        122.8291,
        122.9211,
        123.1604,
        123.9048
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    },
    {
      "kind": "timing",
      "name": "next-legacy",
      "hostLoadAverage": "23.68 27.88 29.98",
      "firstCallMs": 837.537,
      "warmMedianMs": 528.40645,
      "warmP95Ms": 541.8611,
      "warmMaxMs": 541.8611,
      "meanProcessAllocatedBytes": 124848,
      "samples": [
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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": "525"
    },
    {
      "kind": "query-explain",
      "name": "next-legacy",
      "stages": [
        "FETCH index=BsonNull nReturned=89600 keysExamined=BsonNull docsExamined=100000 ms=107",
        "  IXSCAN index=ProjectId_1__id_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=30",
        "$sample nReturned=1 ms=553"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-legacy",
      "residentMb": 932
    },
    {
      "kind": "timing",
      "name": "next-allocated",
      "hostLoadAverage": "23.68 27.88 29.98",
      "firstCallMs": 63.5316,
      "warmMedianMs": 26.35255,
      "warmP95Ms": 27.4193,
      "warmMaxMs": 27.4193,
      "meanProcessAllocatedBytes": 139225,
      "samples": [
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        26.9956,
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        27.4193
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    },
    {
      "kind": "query-diagnostic",
      "name": "next-allocated",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, WorkloadShareBucket: 1 }",
      "documentsExamined": "3997",
      "keysExamined": "4397",
      "responseBytes": "5731",
      "diagnosticMs": "24"
    },
    {
      "kind": "query-explain",
      "name": "next-allocated",
      "stages": [
        "FETCH index=BsonNull nReturned=3566 keysExamined=BsonNull docsExamined=3997 ms=13",
        "  IXSCAN index=ProjectId_1_WorkloadShareBucket_1 nReturned=3997 keysExamined=4397 docsExamined=BsonNull ms=0",
        "$sample nReturned=1 ms=32"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-allocated",
      "residentMb": 929
    },
    {
      "kind": "timing",
      "name": "reviewer-page",
      "hostLoadAverage": "20.02 26.67 29.52",
      "firstCallMs": 1795.8318,
      "warmMedianMs": 1694.21925,
      "warmP95Ms": 1986.0019,
      "warmMaxMs": 1986.0019,
      "meanProcessAllocatedBytes": 635578,
      "samples": [
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        1986.0019
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    {
      "kind": "query-diagnostic",
      "name": "reviewer-page",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "3516",
      "diagnosticMs": "1659"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-page",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=BsonNull ms=216",
        "  FETCH index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=100000 ms=78",
        "    IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=27",
        "$set nReturned=100000 ms=520",
        "$facet nReturned=1 ms=1740"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-page",
      "residentMb": 1083
    },
    {
      "kind": "timing",
      "name": "admin-progress",
      "hostLoadAverage": "22.80 27.03 29.57",
      "firstCallMs": 2955.5685,
      "warmMedianMs": 2380.2201999999997,
      "warmP95Ms": 2712.9363,
      "warmMaxMs": 2712.9363,
      "meanProcessAllocatedBytes": 1825601,
      "samples": [
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    },
    {
      "kind": "query-diagnostic",
      "name": "admin-progress",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "5936",
      "diagnosticMs": "2415"
    },
    {
      "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=2208",
        "  FETCH index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=100000 ms=134",
        "    IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=75",
        "$unwind nReturned=238414 ms=2547",
        "$group nReturned=50 ms=2691"
      ]
    },
    {
      "kind": "timing",
      "name": "reviewer-stale",
      "hostLoadAverage": "23.38 26.52 29.28",
      "firstCallMs": 1638.7676,
      "warmMedianMs": 1679.3383,
      "warmP95Ms": 1969.4805,
      "warmMaxMs": 1969.4805,
      "meanProcessAllocatedBytes": 528596,
      "samples": [
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    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-stale",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "3491",
      "diagnosticMs": "1618"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-stale",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=BsonNull ms=211",
        "  FETCH index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=100000 ms=71",
        "    IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=42",
        "$set nReturned=100000 ms=510",
        "$facet nReturned=1 ms=1684"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-stale",
      "residentMb": 1087
    },
    {
      "kind": "timing",
      "name": "next-empty-buckets",
      "hostLoadAverage": "21.25 25.96 29.07",
      "firstCallMs": 1951.3422,
      "warmMedianMs": 325.0894,
      "warmP95Ms": 494.2466,
      "warmMaxMs": 494.2466,
      "meanProcessAllocatedBytes": 103717,
      "samples": [
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    {
      "kind": "query-diagnostic",
      "name": "next-empty-buckets",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
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      "diagnosticMs": "312"
    },
    {
      "kind": "query-explain",
      "name": "next-empty-buckets",
      "stages": [
        "FETCH index=BsonNull nReturned=0 keysExamined=BsonNull docsExamined=100000 ms=317",
        "  IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=52",
        "$sample nReturned=0 ms=220"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-empty-buckets",
      "residentMb": 1075
    },
    {
      "kind": "timing",
      "name": "reviewer-at-in-progress-limit",
      "hostLoadAverage": "17.40 24.68 28.56",
      "firstCallMs": 1771.3707,
      "warmMedianMs": 1787.0176,
      "warmP95Ms": 2100.1679,
      "warmMaxMs": 2100.1679,
      "meanProcessAllocatedBytes": 650642,
      "samples": [
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    {
      "kind": "query-diagnostic",
      "name": "reviewer-at-in-progress-limit",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "3557",
      "diagnosticMs": "1802"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-at-in-progress-limit",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=BsonNull ms=227",
        "  FETCH index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=100000 ms=71",
        "    IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=35",
        "$set nReturned=100000 ms=537",
        "$facet nReturned=1 ms=1824"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-at-in-progress-limit",
      "residentMb": 1093
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  ]
}