{
  "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: 21.29, 47.80, 59.31; 17.91, 44.02, 57.62. Every timing sample also records the load average. No benchmark-specific CPU or memory limits; shared-host diagnostic evidence, not environment qualification.",
  "variant": "rejected: covered bucket histogram + one rooted-$or deviating-study read + partial excluded index",
  "repositoryCommit": "29488c53d40b1c40f54d44fc464d1aef25a7d47a",
  "harnessSha256": "572a924546dfa1c12f50d748acadccd3f03d2f6c10a64d05defb8889a00ef747",
  "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": "19.81 46.17 58.59",
      "dataBytes": 63737190,
      "indexBytes": 2715648,
      "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": "ProjectId_1_SufficientlyExcluded_1_partial",
          "key": "{ \"ProjectId\" : 1, \"ScreeningInfo.InclusionInfo.SufficientlyExcluded\" : 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": "19.81 46.17 58.59",
      "firstCallMs": 265.2785,
      "warmMedianMs": 28.238500000000002,
      "warmP95Ms": 30.6641,
      "warmMaxMs": 30.6641,
      "meanProcessAllocatedBytes": 30805744,
      "samples": [
        27.447,
        27.9334,
        28.0575,
        28.098,
        28.1707,
        28.3063,
        28.3492,
        28.646,
        30.1262,
        30.6641
      ]
    },
    {
      "kind": "timing",
      "name": "next-legacy",
      "hostLoadAverage": "19.81 46.17 58.59",
      "firstCallMs": 255.4021,
      "warmMedianMs": 52.7085,
      "warmP95Ms": 58.4532,
      "warmMaxMs": 58.4532,
      "meanProcessAllocatedBytes": 123950,
      "samples": [
        49.7401,
        50.2385,
        50.3037,
        50.4834,
        52.1567,
        53.2603,
        53.8352,
        54.1025,
        55.9459,
        58.4532
      ]
    },
    {
      "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=6",
        "  IXSCAN index=ProjectId_1_ExtractionInfo.SessionTallies.StageId_1_ExtractionInfo.SessionTallies.NumberOfCandidateSessions_1 nReturned=10000 keysExamined=10000 docsExamined=BsonNull ms=3",
        "$sample nReturned=1 ms=51"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-legacy",
      "residentMb": 274
    },
    {
      "kind": "timing",
      "name": "next-allocated",
      "hostLoadAverage": "19.81 46.17 58.59",
      "firstCallMs": 60.9967,
      "warmMedianMs": 19.38665,
      "warmP95Ms": 40.7567,
      "warmMaxMs": 40.7567,
      "meanProcessAllocatedBytes": 233744,
      "samples": [
        16.7725,
        17.1153,
        18.5685,
        19.2288,
        19.2839,
        19.4894,
        19.6416,
        19.8759,
        19.9275,
        40.7567
      ]
    },
    {
      "kind": "query-diagnostic",
      "name": "next-allocated",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, WorkloadShareBucket: 1 }",
      "documentsExamined": "1988",
      "keysExamined": "3969",
      "responseBytes": "5730",
      "diagnosticMs": "15"
    },
    {
      "kind": "query-explain",
      "name": "next-allocated",
      "stages": [
        "FETCH index=BsonNull nReturned=1757 keysExamined=BsonNull docsExamined=1988 ms=1",
        "  IXSCAN index=ProjectId_1_WorkloadShareBucket_1 nReturned=1988 keysExamined=3969 docsExamined=BsonNull ms=1",
        "$sample nReturned=1 ms=14"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-allocated",
      "residentMb": 274
    },
    {
      "kind": "timing",
      "name": "reviewer-page",
      "hostLoadAverage": "19.27 45.62 58.34",
      "firstCallMs": 272.2854,
      "warmMedianMs": 197.78879999999998,
      "warmP95Ms": 212.5249,
      "warmMaxMs": 212.5249,
      "meanProcessAllocatedBytes": 1096456,
      "samples": [
        188.6132,
        191.4473,
        194.5306,
        196.6593,
        196.7282,
        198.8494,
        202.3137,
        207.3719,
        211.745,
        212.5249
      ]
    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-page",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "10000",
      "keysExamined": "10000",
      "responseBytes": "3487",
      "diagnosticMs": "189"
    },
    {
      "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": "18.60 45.04 58.09",
      "firstCallMs": 451.2989,
      "warmMedianMs": 336.90475000000004,
      "warmP95Ms": 353.0098,
      "warmMaxMs": 353.0098,
      "meanProcessAllocatedBytes": 4257382,
      "samples": [
        302.9528,
        320.4099,
        326.6859,
        335.8926,
        336.5203,
        337.2892,
        337.6692,
        338.4232,
        344.2873,
        353.0098
      ]
    },
    {
      "kind": "query-diagnostic",
      "name": "admin-progress",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, WorkloadShareBucket: 1 }",
      "documentsExamined": "0",
      "keysExamined": "10000",
      "responseBytes": "3066",
      "diagnosticMs": "7"
    },
    {
      "kind": "query-explain",
      "name": "admin-progress",
      "stages": [
        "project index=BsonNull nReturned=4172 keysExamined=BsonNull docsExamined=BsonNull ms=2",
        "  project index=BsonNull nReturned=4172 keysExamined=BsonNull docsExamined=BsonNull ms=2",
        "    group index=BsonNull nReturned=4172 keysExamined=BsonNull docsExamined=BsonNull ms=2",
        "      project index=BsonNull nReturned=10000 keysExamined=BsonNull docsExamined=BsonNull ms=2",
        "        ixseek index=ProjectId_1_WorkloadShareBucket_1 nReturned=10000 keysExamined=10000 docsExamined=BsonNull ms=2"
      ]
    },
    {
      "kind": "query-diagnostic",
      "name": "admin-progress",
      "command": "getmore",
      "plan": "IXSCAN { ProjectId: 1, WorkloadShareBucket: 1 }",
      "documentsExamined": "0",
      "keysExamined": "0",
      "responseBytes": "125236",
      "diagnosticMs": "8"
    },
    {
      "kind": "query-diagnostic",
      "name": "admin-progress",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, ExtractionInfo.SessionTallies.StageId: 1, ExtractionInfo.SessionTallies.NumberOfCandidateSessions: 1 }, IXSCAN { ProjectId: 1, ScreeningInfo.InclusionInfo.SufficientlyExcluded: 1 }",
      "documentsExamined": "4000",
      "keysExamined": "4500",
      "responseBytes": "1406",
      "diagnosticMs": "339"
    },
    {
      "kind": "query-explain",
      "name": "admin-progress",
      "skipped": "profiled command is not a complete aggregate"
    },
    {
      "kind": "memory-snapshot",
      "name": "admin-progress",
      "residentMb": 302
    },
    {
      "kind": "query-explain",
      "name": "admin-progress classification (deviating studies)",
      "stages": [
        "SUBPLAN index=BsonNull nReturned=4000 keysExamined=BsonNull docsExamined=BsonNull ms=363",
        "  PROJECTION_DEFAULT index=BsonNull nReturned=4000 keysExamined=BsonNull docsExamined=BsonNull ms=86",
        "    FETCH index=BsonNull nReturned=4000 keysExamined=BsonNull docsExamined=4000 ms=1",
        "      OR index=BsonNull nReturned=4000 keysExamined=BsonNull docsExamined=BsonNull ms=0",
        "        IXSCAN index=ProjectId_1_ExtractionInfo.SessionTallies.StageId_1_ExtractionInfo.SessionTallies.NumberOfCandidateSessions_1 nReturned=4000 keysExamined=4000 docsExamined=BsonNull ms=0",
        "        IXSCAN index=ProjectId_1_SufficientlyExcluded_1_partial nReturned=500 keysExamined=500 docsExamined=BsonNull ms=0",
        "$unwind nReturned=11177 ms=113",
        "$group nReturned=10 ms=133"
      ]
    },
    {
      "kind": "timing",
      "name": "reviewer-stale",
      "hostLoadAverage": "18.07 44.49 57.84",
      "firstCallMs": 173.6872,
      "warmMedianMs": 182.1363,
      "warmP95Ms": 193.2392,
      "warmMaxMs": 193.2392,
      "meanProcessAllocatedBytes": 514625,
      "samples": [
        169.8184,
        174.1212,
        176.3488,
        179.6073,
        181.3637,
        182.9089,
        183.464,
        183.6934,
        187.7667,
        193.2392
      ]
    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-stale",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "10000",
      "keysExamined": "10000",
      "responseBytes": "3470",
      "diagnosticMs": "178"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-stale",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=10000 keysExamined=BsonNull docsExamined=BsonNull ms=10",
        "  FETCH index=BsonNull nReturned=10000 keysExamined=BsonNull docsExamined=10000 ms=0",
        "    IXSCAN index=ProjectId_1 nReturned=10000 keysExamined=10000 docsExamined=BsonNull ms=0",
        "$set nReturned=10000 ms=53",
        "$facet nReturned=1 ms=180"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-stale",
      "residentMb": 300
    },
    {
      "kind": "timing",
      "name": "next-empty-buckets",
      "hostLoadAverage": "18.07 44.49 57.84",
      "firstCallMs": 571.3668,
      "warmMedianMs": 36.30015,
      "warmP95Ms": 39.7543,
      "warmMaxMs": 39.7543,
      "meanProcessAllocatedBytes": 102677,
      "samples": [
        33.039,
        33.8721,
        34.9189,
        35.5785,
        35.9868,
        36.6135,
        36.643,
        37.2716,
        39.4713,
        39.7543
      ]
    },
    {
      "kind": "query-diagnostic",
      "name": "next-empty-buckets",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "10000",
      "keysExamined": "10000",
      "responseBytes": "146",
      "diagnosticMs": "31"
    },
    {
      "kind": "query-explain",
      "name": "next-empty-buckets",
      "stages": [
        "FETCH index=BsonNull nReturned=0 keysExamined=BsonNull docsExamined=10000 ms=42",
        "  IXSCAN index=ProjectId_1 nReturned=10000 keysExamined=10000 docsExamined=BsonNull ms=0",
        "$sample nReturned=0 ms=5"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-empty-buckets",
      "residentMb": 300
    },
    {
      "kind": "timing",
      "name": "reviewer-at-in-progress-limit",
      "hostLoadAverage": "17.91 44.02 57.62",
      "firstCallMs": 227.7172,
      "warmMedianMs": 204.65285,
      "warmP95Ms": 213.1712,
      "warmMaxMs": 213.1712,
      "meanProcessAllocatedBytes": 1119496,
      "samples": [
        190.1723,
        192.7088,
        195.3775,
        195.4185,
        204.2453,
        205.0604,
        207.7843,
        208.9546,
        211.6797,
        213.1712
      ]
    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-at-in-progress-limit",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "10000",
      "keysExamined": "10000",
      "responseBytes": "3528",
      "diagnosticMs": "181"
    },
    {
      "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": 300
    }
  ]
}
