{
  "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, 32.16, 49.34; 20.51, 30.68, 48.21. 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 + two disjoint deviating-study reads + partial excluded index",
  "repositoryCommit": "57e365c7163f4dabdf622aa1850ae08723f2169b",
  "harnessSha256": "fe9ebf184f87d410ccbf868b3a7a5b337dc7b2155bfe5faffbccde6be83343e0",
  "testPassed": true,
  "observations": [
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      "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": "19.63 31.25 48.77",
      "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 }"
        },
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          "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 }"
        },
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          "name": "ProjectId_1_ExtractionInfo.SessionTallies.StageId_1_ExtractionInfo.SessionTallies.NumberOfCandidateSessions_1",
          "key": "{ \"ProjectId\" : 1, \"ExtractionInfo.SessionTallies.StageId\" : 1, \"ExtractionInfo.SessionTallies.NumberOfCandidateSessions\" : 1 }"
        },
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          "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": "19.63 31.25 48.77",
      "firstCallMs": 263.2976,
      "warmMedianMs": 30.3808,
      "warmP95Ms": 32.3954,
      "warmMaxMs": 32.3954,
      "meanProcessAllocatedBytes": 30805744,
      "samples": [
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    {
      "kind": "timing",
      "name": "next-legacy",
      "hostLoadAverage": "19.63 31.25 48.77",
      "firstCallMs": 296.8918,
      "warmMedianMs": 57.85275,
      "warmP95Ms": 70.4607,
      "warmMaxMs": 70.4607,
      "meanProcessAllocatedBytes": 131390,
      "samples": [
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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": "57"
    },
    {
      "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=3",
        "$sample nReturned=1 ms=50"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-legacy",
      "residentMb": 278
    },
    {
      "kind": "timing",
      "name": "next-allocated",
      "hostLoadAverage": "19.63 31.25 48.77",
      "firstCallMs": 68.9439,
      "warmMedianMs": 22.03485,
      "warmP95Ms": 34.8862,
      "warmMaxMs": 34.8862,
      "meanProcessAllocatedBytes": 234450,
      "samples": [
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    },
    {
      "kind": "query-diagnostic",
      "name": "next-allocated",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, WorkloadShareBucket: 1 }",
      "documentsExamined": "1988",
      "keysExamined": "3969",
      "responseBytes": "5730",
      "diagnosticMs": "17"
    },
    {
      "kind": "query-explain",
      "name": "next-allocated",
      "stages": [
        "FETCH index=BsonNull nReturned=1757 keysExamined=BsonNull docsExamined=1988 ms=2",
        "  IXSCAN index=ProjectId_1_WorkloadShareBucket_1 nReturned=1988 keysExamined=3969 docsExamined=BsonNull ms=0",
        "$sample nReturned=1 ms=15"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-allocated",
      "residentMb": 278
    },
    {
      "kind": "timing",
      "name": "reviewer-page",
      "hostLoadAverage": "19.58 31.05 48.61",
      "firstCallMs": 279.5341,
      "warmMedianMs": 215.9349,
      "warmP95Ms": 225.0587,
      "warmMaxMs": 225.0587,
      "meanProcessAllocatedBytes": 1102681,
      "samples": [
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        225.0587
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    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-page",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "10000",
      "keysExamined": "10000",
      "responseBytes": "3487",
      "diagnosticMs": "198"
    },
    {
      "kind": "query-explain",
      "name": "reviewer-page",
      "skipped": "profiled command is not a complete aggregate"
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-page",
      "residentMb": 291
    },
    {
      "kind": "timing",
      "name": "admin-progress",
      "hostLoadAverage": "19.61 30.86 48.45",
      "firstCallMs": 683.8175,
      "warmMedianMs": 311.1685,
      "warmP95Ms": 409.2476,
      "warmMaxMs": 409.2476,
      "meanProcessAllocatedBytes": 4579436,
      "samples": [
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    },
    {
      "kind": "query-diagnostic",
      "name": "admin-progress",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, WorkloadShareBucket: 1 }",
      "documentsExamined": "0",
      "keysExamined": "10000",
      "responseBytes": "3066",
      "diagnosticMs": "13"
    },
    {
      "kind": "query-explain",
      "name": "admin-progress",
      "stages": [
        "project index=BsonNull nReturned=4172 keysExamined=BsonNull docsExamined=BsonNull ms=19",
        "  project index=BsonNull nReturned=4172 keysExamined=BsonNull docsExamined=BsonNull ms=8",
        "    group index=BsonNull nReturned=4172 keysExamined=BsonNull docsExamined=BsonNull ms=8",
        "      project index=BsonNull nReturned=10000 keysExamined=BsonNull docsExamined=BsonNull ms=8",
        "        ixseek index=ProjectId_1_WorkloadShareBucket_1 nReturned=10000 keysExamined=10000 docsExamined=BsonNull ms=0"
      ]
    },
    {
      "kind": "query-diagnostic",
      "name": "admin-progress",
      "command": "getmore",
      "plan": "IXSCAN { ProjectId: 1, WorkloadShareBucket: 1 }",
      "documentsExamined": "0",
      "keysExamined": "0",
      "responseBytes": "125236",
      "diagnosticMs": "9"
    },
    {
      "kind": "query-diagnostic",
      "name": "admin-progress",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, ScreeningInfo.InclusionInfo.SufficientlyExcluded: 1 }",
      "documentsExamined": "500",
      "keysExamined": "500",
      "responseBytes": "146",
      "diagnosticMs": "163"
    },
    {
      "kind": "query-explain",
      "name": "admin-progress",
      "skipped": "profiled command is not a complete aggregate"
    },
    {
      "kind": "query-diagnostic",
      "name": "admin-progress",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1, ExtractionInfo.SessionTallies.StageId: 1, ExtractionInfo.SessionTallies.NumberOfCandidateSessions: 1 }",
      "documentsExamined": "4000",
      "keysExamined": "4000",
      "responseBytes": "1406",
      "diagnosticMs": "354"
    },
    {
      "kind": "memory-snapshot",
      "name": "admin-progress",
      "residentMb": 311
    },
    {
      "kind": "query-explain",
      "name": "admin-progress classification (deviating studies, read 1 of 2)",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=4000 keysExamined=BsonNull docsExamined=BsonNull ms=116",
        "  FETCH index=BsonNull nReturned=4000 keysExamined=BsonNull docsExamined=4000 ms=26",
        "    IXSCAN index=ProjectId_1_ExtractionInfo.SessionTallies.StageId_1_ExtractionInfo.SessionTallies.NumberOfCandidateSessions_1 nReturned=4000 keysExamined=4000 docsExamined=BsonNull ms=10",
        "$unwind nReturned=11177 ms=150",
        "$group nReturned=10 ms=150"
      ]
    },
    {
      "kind": "query-explain",
      "name": "admin-progress classification (deviating studies, read 2 of 2)",
      "stages": [
        "PROJECTION_DEFAULT index=BsonNull nReturned=0 keysExamined=BsonNull docsExamined=BsonNull ms=0",
        "  FETCH index=BsonNull nReturned=0 keysExamined=BsonNull docsExamined=500 ms=0",
        "    IXSCAN index=ProjectId_1_SufficientlyExcluded_1_partial nReturned=500 keysExamined=500 docsExamined=BsonNull ms=0",
        "$unwind nReturned=0 ms=5",
        "$group nReturned=0 ms=5"
      ]
    },
    {
      "kind": "timing",
      "name": "reviewer-stale",
      "hostLoadAverage": "20.20 30.80 48.34",
      "firstCallMs": 209.8179,
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      "samples": [
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    },
    {
      "kind": "query-diagnostic",
      "name": "reviewer-stale",
      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
      "documentsExamined": "10000",
      "keysExamined": "10000",
      "responseBytes": "3470",
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    },
    {
      "kind": "query-explain",
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        "  FETCH index=BsonNull nReturned=10000 keysExamined=BsonNull docsExamined=10000 ms=3",
        "    IXSCAN index=ProjectId_1 nReturned=10000 keysExamined=10000 docsExamined=BsonNull ms=0",
        "$set nReturned=10000 ms=50",
        "$facet nReturned=1 ms=180"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "reviewer-stale",
      "residentMb": 325
    },
    {
      "kind": "timing",
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      "hostLoadAverage": "20.20 30.80 48.34",
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    {
      "kind": "query-diagnostic",
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      "command": "command",
      "plan": "IXSCAN { ProjectId: 1 }",
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      "keysExamined": "10000",
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    },
    {
      "kind": "query-explain",
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      "stages": [
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        "  IXSCAN index=ProjectId_1 nReturned=10000 keysExamined=10000 docsExamined=BsonNull ms=10",
        "$sample nReturned=0 ms=4"
      ]
    },
    {
      "kind": "memory-snapshot",
      "name": "next-empty-buckets",
      "residentMb": 325
    },
    {
      "kind": "timing",
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      "hostLoadAverage": "20.51 30.68 48.21",
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      "kind": "query-diagnostic",
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      "command": "command",
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      "keysExamined": "10000",
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    {
      "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",
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}
