{
  "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: 20.51, 30.68, 48.21; 44.09, 33.77, 45.66. 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 A, paired with covered-buckets)",
  "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": "26.67 30.88 47.52",
      "dataBytes": 637481890,
      "indexBytes": 24817664,
      "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": "26.67 30.88 47.52",
      "firstCallMs": 141.7421,
      "warmMedianMs": 133.999,
      "warmP95Ms": 160.7806,
      "warmMaxMs": 160.7806,
      "meanProcessAllocatedBytes": 125128584,
      "samples": [
        125.5896,
        128.522,
        129.0972,
        130.9376,
        133.4724,
        134.5256,
        135.188,
        137.7199,
        148.3568,
        160.7806
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    },
    {
      "kind": "timing",
      "name": "next-legacy",
      "hostLoadAverage": "24.56 30.29 47.15",
      "firstCallMs": 786.113,
      "warmMedianMs": 560.7674,
      "warmP95Ms": 783.8852,
      "warmMaxMs": 783.8852,
      "meanProcessAllocatedBytes": 130680,
      "samples": [
        524.8541,
        530.0233,
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        556.9866,
        557.0984,
        564.4364,
        568.6573,
        572.2746,
        613.0788,
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    },
    {
      "kind": "query-diagnostic",
      "name": "next-legacy",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, _id: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "6272",
      "diagnosticMs": "554"
    },
    {
      "kind": "query-explain",
      "name": "next-legacy",
      "stages": [
        "FETCH index=BsonNull nReturned=89600 keysExamined=BsonNull docsExamined=100000 ms=102",
        "  IXSCAN index=ProjectId_1__id_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=6",
        "$sample nReturned=1 ms=542"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-legacy",
      "residentMb": 919
    },
    {
      "kind": "timing",
      "name": "next-allocated",
      "hostLoadAverage": "24.56 30.29 47.15",
      "firstCallMs": 75.729,
      "warmMedianMs": 27.9526,
      "warmP95Ms": 33.2008,
      "warmMaxMs": 33.2008,
      "meanProcessAllocatedBytes": 138956,
      "samples": [
        25.9799,
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        26.9843,
        27.7851,
        28.1201,
        31.4985,
        32.1519,
        32.4889,
        33.2008
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    },
    {
      "kind": "query-diagnostic",
      "name": "next-allocated",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, WorkloadShareBucket: 1 }",
      "documentsExamined": "3997",
      "keysExamined": "4397",
      "responseBytes": "5731",
      "diagnosticMs": "26"
    },
    {
      "kind": "query-explain",
      "name": "next-allocated",
      "stages": [
        "FETCH index=BsonNull nReturned=3566 keysExamined=BsonNull docsExamined=3997 ms=15",
        "  IXSCAN index=ProjectId_1_WorkloadShareBucket_1 nReturned=3997 keysExamined=4397 docsExamined=BsonNull ms=0",
        "$sample nReturned=1 ms=31"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-allocated",
      "residentMb": 916
    },
    {
      "kind": "timing",
      "name": "reviewer-page",
      "hostLoadAverage": "21.39 29.18 46.43",
      "firstCallMs": 1859.1832,
      "warmMedianMs": 1845.95335,
      "warmP95Ms": 2144.0684,
      "warmMaxMs": 2144.0684,
      "meanProcessAllocatedBytes": 635116,
      "samples": [
        1663.7396,
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        1820.4439,
        1871.4628,
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        1921.3666,
        1984.8314,
        2144.0684
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    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-page",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "3516",
      "diagnosticMs": "1950"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-page",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=BsonNull ms=204",
        "  FETCH index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=100000 ms=77",
        "    IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=44",
        "$set nReturned=100000 ms=540",
        "$facet nReturned=1 ms=1935"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-page",
      "residentMb": 1084
    },
    {
      "kind": "timing",
      "name": "admin-progress",
      "hostLoadAverage": "23.76 28.86 45.68",
      "firstCallMs": 2782.2762,
      "warmMedianMs": 2415.7579,
      "warmP95Ms": 3086.121,
      "warmMaxMs": 3086.121,
      "meanProcessAllocatedBytes": 1825172,
      "samples": [
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        2634.392,
        3086.121
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    },
    {
      "kind": "query-diagnostic",
      "name": "admin-progress",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "5936",
      "diagnosticMs": "2323"
    },
    {
      "kind": "query-explain",
      "name": "admin-progress",
      "skipped": "profiled command is not a complete aggregate"
    },
    {
      "kind": "memory-snapshot",
      "name": "admin-progress",
      "residentMb": 1086
    },
    {
      "kind": "query-explain",
      "name": "admin-progress classification (whole project)",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=BsonNull ms=2037",
        "  FETCH index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=100000 ms=84",
        "    IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=27",
        "$unwind nReturned=238414 ms=2391",
        "$group nReturned=50 ms=2571"
      ]
    },
    {
      "kind": "timing",
      "name": "reviewer-stale",
      "hostLoadAverage": "30.53 29.76 45.26",
      "firstCallMs": 1677.5602,
      "warmMedianMs": 1737.4303,
      "warmP95Ms": 2067.1611,
      "warmMaxMs": 2067.1611,
      "meanProcessAllocatedBytes": 522466,
      "samples": [
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    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-stale",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "3491",
      "diagnosticMs": "1688"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-stale",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=BsonNull ms=222",
        "  FETCH index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=100000 ms=71",
        "    IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=39",
        "$set nReturned=100000 ms=580",
        "$facet nReturned=1 ms=1855"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-stale",
      "residentMb": 1090
    },
    {
      "kind": "timing",
      "name": "next-empty-buckets",
      "hostLoadAverage": "27.05 29.03 44.77",
      "firstCallMs": 2241.8177,
      "warmMedianMs": 372.93195000000003,
      "warmP95Ms": 511.6471,
      "warmMaxMs": 511.6471,
      "meanProcessAllocatedBytes": 109186,
      "samples": [
        357.6741,
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        382.2062,
        511.6471
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    },
    {
      "kind": "query-diagnostic",
      "name": "next-empty-buckets",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "146",
      "diagnosticMs": "353"
    },
    {
      "kind": "query-explain",
      "name": "next-empty-buckets",
      "stages": [
        "FETCH index=BsonNull nReturned=0 keysExamined=BsonNull docsExamined=100000 ms=588",
        "  IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=57",
        "$sample nReturned=0 ms=515"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-empty-buckets",
      "residentMb": 1086
    },
    {
      "kind": "timing",
      "name": "reviewer-at-in-progress-limit",
      "hostLoadAverage": "47.15 33.98 45.85",
      "firstCallMs": 3244.0207,
      "warmMedianMs": 2679.7186,
      "warmP95Ms": 3032.1919,
      "warmMaxMs": 3032.1919,
      "meanProcessAllocatedBytes": 659202,
      "samples": [
        2123.5392,
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        2848.4093,
        2913.1266,
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        2973.1844,
        3032.1919
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    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-at-in-progress-limit",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "100000",
      "keysExamined": "100000",
      "responseBytes": "3557",
      "diagnosticMs": "2770"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-at-in-progress-limit",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=BsonNull ms=364",
        "  FETCH index=BsonNull nReturned=100000 keysExamined=BsonNull docsExamined=100000 ms=144",
        "    IXSCAN index=ProjectId_1 nReturned=100000 keysExamined=100000 docsExamined=BsonNull ms=71",
        "$set nReturned=100000 ms=776",
        "$facet nReturned=1 ms=2494"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-at-in-progress-limit",
      "residentMb": 1094
    }
  ]
}