{
  "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: 25.38, 33.95, 50.46; 21.29, 32.16, 49.34. 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": 10000,
      "noiseCount": 1000,
      "reviewerCount": 10,
      "reviewsPerStudy": 2,
      "iterations": 10,
      "activeReviewerTracking": true,
      "enforceMaxInProgressSessions": true,
      "maxInProgress": null,
      "fullyReviewed": false,
      "abstractBytes": 4096,
      "savedPercent": 35,
      "atCapacityPercent": 5,
      "excludedPercent": 5,
      "reservedPercent": 5,
      "hostLoadAverage": "24.01 33.38 50.10",
      "dataBytes": 63737190,
      "indexBytes": 2695168,
      "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": "24.01 33.38 50.10",
      "firstCallMs": 269.5671,
      "warmMedianMs": 28.6784,
      "warmP95Ms": 30.8626,
      "warmMaxMs": 30.8626,
      "meanProcessAllocatedBytes": 30805744,
      "samples": [
        26.5771,
        28.119,
        28.1399,
        28.4405,
        28.5091,
        28.8477,
        29.0115,
        29.106,
        30.5054,
        30.8626
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    },
    {
      "kind": "timing",
      "name": "next-legacy",
      "hostLoadAverage": "23.21 33.06 49.90",
      "firstCallMs": 261.9856,
      "warmMedianMs": 51.18165,
      "warmP95Ms": 63.2482,
      "warmMaxMs": 63.2482,
      "meanProcessAllocatedBytes": 124828,
      "samples": [
        49.993,
        50.1675,
        50.3144,
        50.7567,
        50.8818,
        51.4815,
        52.2372,
        55.2139,
        56.9961,
        63.2482
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    },
    {
      "kind": "query-diagnostic",
      "name": "next-legacy",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, ExtractionInfo.SessionTallies.StageId: 1, ExtractionInfo.SessionTallies.NumberOfCandidateSessions: 1 }",
      "documentsExamined": "10000",
      "keysExamined": "10000",
      "responseBytes": "5730",
      "diagnosticMs": "51"
    },
    {
      "kind": "query-explain",
      "name": "next-legacy",
      "stages": [
        "FETCH index=BsonNull nReturned=8800 keysExamined=BsonNull docsExamined=10000 ms=8",
        "  IXSCAN index=ProjectId_1_ExtractionInfo.SessionTallies.StageId_1_ExtractionInfo.SessionTallies.NumberOfCandidateSessions_1 nReturned=10000 keysExamined=10000 docsExamined=BsonNull ms=2",
        "$sample nReturned=1 ms=50"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-legacy",
      "residentMb": 271
    },
    {
      "kind": "timing",
      "name": "next-allocated",
      "hostLoadAverage": "23.21 33.06 49.90",
      "firstCallMs": 64.4329,
      "warmMedianMs": 20.521050000000002,
      "warmP95Ms": 39.0075,
      "warmMaxMs": 39.0075,
      "meanProcessAllocatedBytes": 234039,
      "samples": [
        19.144,
        19.3783,
        19.7849,
        20.2187,
        20.3703,
        20.6718,
        20.8636,
        34.6623,
        37.9597,
        39.0075
      ]
    },
    {
      "kind": "query-diagnostic",
      "name": "next-allocated",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, WorkloadShareBucket: 1 }",
      "documentsExamined": "1988",
      "keysExamined": "3969",
      "responseBytes": "6271",
      "diagnosticMs": "16"
    },
    {
      "kind": "query-explain",
      "name": "next-allocated",
      "stages": [
        "FETCH index=BsonNull nReturned=1757 keysExamined=BsonNull docsExamined=1988 ms=5",
        "  IXSCAN index=ProjectId_1_WorkloadShareBucket_1 nReturned=1988 keysExamined=3969 docsExamined=BsonNull ms=4",
        "$sample nReturned=1 ms=23"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-allocated",
      "residentMb": 271
    },
    {
      "kind": "timing",
      "name": "reviewer-page",
      "hostLoadAverage": "23.21 33.06 49.90",
      "firstCallMs": 280.483,
      "warmMedianMs": 195.87189999999998,
      "warmP95Ms": 228.2896,
      "warmMaxMs": 228.2896,
      "meanProcessAllocatedBytes": 1094185,
      "samples": [
        191.6174,
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        193.5346,
        194.1824,
        194.5823,
        197.1615,
        197.399,
        202.6474,
        217.093,
        228.2896
      ]
    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-page",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "10000",
      "keysExamined": "10000",
      "responseBytes": "3487",
      "diagnosticMs": "196"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-page",
      "skipped": "profiled command is not a complete aggregate"
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-page",
      "residentMb": 288
    },
    {
      "kind": "timing",
      "name": "admin-progress",
      "hostLoadAverage": "22.79 32.81 49.73",
      "firstCallMs": 447.9213,
      "warmMedianMs": 295.30465,
      "warmP95Ms": 423.2368,
      "warmMaxMs": 423.2368,
      "meanProcessAllocatedBytes": 1745486,
      "samples": [
        253.7222,
        265.9477,
        274.2719,
        281.9018,
        289.7342,
        300.8751,
        309.413,
        339.1747,
        382.4101,
        423.2368
      ]
    },
    {
      "kind": "query-diagnostic",
      "name": "admin-progress",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "10000",
      "keysExamined": "10000",
      "responseBytes": "1296",
      "diagnosticMs": "258"
    },
    {
      "kind": "query-explain",
      "name": "admin-progress",
      "skipped": "profiled command is not a complete aggregate"
    },
    {
      "kind": "memory-snapshot",
      "name": "admin-progress",
      "residentMb": 292
    },
    {
      "kind": "query-explain",
      "name": "admin-progress classification (whole project)",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=10000 keysExamined=BsonNull docsExamined=BsonNull ms=149",
        "  FETCH index=BsonNull nReturned=10000 keysExamined=BsonNull docsExamined=10000 ms=10",
        "    IXSCAN index=ProjectId_1 nReturned=10000 keysExamined=10000 docsExamined=BsonNull ms=0",
        "$unwind nReturned=23177 ms=190",
        "$group nReturned=10 ms=210"
      ]
    },
    {
      "kind": "timing",
      "name": "reviewer-stale",
      "hostLoadAverage": "21.93 32.46 49.53",
      "firstCallMs": 173.3179,
      "warmMedianMs": 181.39815,
      "warmP95Ms": 199.8153,
      "warmMaxMs": 199.8153,
      "meanProcessAllocatedBytes": 512353,
      "samples": [
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        181.0908,
        181.7055,
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        199.8153
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    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-stale",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "10000",
      "keysExamined": "10000",
      "responseBytes": "3470",
      "diagnosticMs": "180"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-stale",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=10000 keysExamined=BsonNull docsExamined=BsonNull ms=18",
        "  FETCH index=BsonNull nReturned=10000 keysExamined=BsonNull docsExamined=10000 ms=11",
        "    IXSCAN index=ProjectId_1 nReturned=10000 keysExamined=10000 docsExamined=BsonNull ms=0",
        "$set nReturned=10000 ms=50",
        "$facet nReturned=1 ms=171"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-stale",
      "residentMb": 304
    },
    {
      "kind": "timing",
      "name": "next-empty-buckets",
      "hostLoadAverage": "21.93 32.46 49.53",
      "firstCallMs": 520.4799,
      "warmMedianMs": 35.684,
      "warmP95Ms": 37.9991,
      "warmMaxMs": 37.9991,
      "meanProcessAllocatedBytes": 108949,
      "samples": [
        34.1837,
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        37.4625,
        37.9991
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    },
    {
      "kind": "query-diagnostic",
      "name": "next-empty-buckets",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "10000",
      "keysExamined": "10000",
      "responseBytes": "146",
      "diagnosticMs": "34"
    },
    {
      "kind": "query-explain",
      "name": "next-empty-buckets",
      "stages": [
        "FETCH index=BsonNull nReturned=0 keysExamined=BsonNull docsExamined=10000 ms=10",
        "  IXSCAN index=ProjectId_1 nReturned=10000 keysExamined=10000 docsExamined=BsonNull ms=0",
        "$sample nReturned=0 ms=2"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-empty-buckets",
      "residentMb": 304
    },
    {
      "kind": "timing",
      "name": "reviewer-at-in-progress-limit",
      "hostLoadAverage": "21.29 32.16 49.34",
      "firstCallMs": 202.2935,
      "warmMedianMs": 217.86995,
      "warmP95Ms": 247.0784,
      "warmMaxMs": 247.0784,
      "meanProcessAllocatedBytes": 1113636,
      "samples": [
        209.9241,
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        214.3775,
        216.4293,
        217.1537,
        218.5862,
        223.9757,
        224.6919,
        227.4839,
        247.0784
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    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-at-in-progress-limit",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "10000",
      "keysExamined": "10000",
      "responseBytes": "3528",
      "diagnosticMs": "205"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-at-in-progress-limit",
      "skipped": "profiled command is not a complete aggregate"
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-at-in-progress-limit",
      "residentMb": 304
    }
  ]
}