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  1. Core Server
  2. SERVER-74113

Investigate Long/Medium snapshot scan regressions

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    • Icon: Task Task
    • Resolution: Unresolved
    • Icon: Major - P3 Major - P3
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    • Query Execution
    • QE 2023-03-06, QE 2023-03-20
    • 3

    Description

      db.sbe_perf_latest.aggregate([{ $match: { tags: {$ne: "ignore"}, test: {$in: ["Long.Scan.Snapshot.Scan.21.21", "Medium.Scan.Snapshot.Scan.15.15"] }} }, {$project: {signed_percent_change_stable: 1, test: 1, signed_z_score_change_stable: 1,  _id: 0}}, {$sort: {signed_percent_change_stable: 1}}]).pretty()
      [
        {
          signed_percent_change_stable: -24.66040878744127,
          signed_z_score_change_stable: -3.169921403018614,
          test: 'Medium.Scan.Snapshot.Scan.15.15'
        },
        {
          signed_percent_change_stable: -24.211982539751745,
          signed_z_score_change_stable: -2.9066299053588978,
          test: 'Long.Scan.Snapshot.Scan.21.21'
        },
        {
          signed_percent_change_stable: -20.030570534513117,
          signed_z_score_change_stable: -1.6357795683938086,
          test: 'Medium.Scan.Snapshot.Scan.15.15'
        },
        {
          signed_percent_change_stable: -18.831185311502324,
          signed_z_score_change_stable: -1.6432838109504526,
          test: 'Long.Scan.Snapshot.Scan.21.21'
        },
        {
          signed_percent_change_stable: -17.19448683124061,
          signed_z_score_change_stable: -2.1648182774504536,
          test: 'Long.Scan.Snapshot.Scan.21.21'
        },
        {
          signed_percent_change_stable: -12.60341078706027,
          signed_z_score_change_stable: -2.241378239643826,
          test: 'Medium.Scan.Snapshot.Scan.15.15'
        }
      ] 

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            backlog-query-execution Backlog - Query Execution
            mihai.andrei@mongodb.com Mihai Andrei
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              Created:
              Updated: