Explique os resultados da Vector Search do MongoDB

1
{
2
  explainVersion: '1',
3
  stages: [
4
    {
5
      '$vectorSearch': {
6
        index: 'vector_index',
7
        path: 'plot_embedding_voyage_3_large',
8
        queryVector: 'redacted',
9
        numCandidates: 150,
10
        limit: 10,
11
        explain: {
12
          query: {
13
            type: 'WrappedKnnQuery',
14
            args: {
15
              query: [
16
                {
17
                  type: 'InstrumentableKnnFloatVectorQuery',
18
                  args: {
19
                    field: '$type:knnVector/plot_embedding_voyage_3_large',
20
                    k: 150
21
                  },
22
                  stats: {
23
                    context: { millisElapsed: 0 },
24
                    match: { millisElapsed: 0 },
25
                    score: { millisElapsed: 0 }
26
                  }
27
                },
28
                {
29
                  type: 'DocAndScoreQuery',
30
                  args: {},
31
                  stats: {
32
                    context: {
33
                      millisElapsed: 1.378949,
34
                      invocationCounts: {
35
                        createWeight: Long('1'),
36
                        createScorer: Long('4')
37
                      }
38
                    },
39
                    match: {
40
                      millisElapsed: 0.341389,
41
                      invocationCounts: { nextDoc: Long('152') }
42
                    },
43
                    score: {
44
                      millisElapsed: 0.205415,
45
                      invocationCounts: {
46
                        score: Long('150'),
47
                        setMinCompetitiveScore: Long('26')
48
                      }
49
                    }
50
                  }
51
                }
52
              ]
53
            },
54
            stats: {
55
              context: {
56
                millisElapsed: 57.285674,
57
                invocationCounts: {
58
                  vectorExecution: Long('1'),
59
                  createWeight: Long('1'),
60
                  createScorer: Long('4')
61
                }
62
              },
63
              match: {
64
                millisElapsed: 0.341389,
65
                invocationCounts: { nextDoc: Long('152') }
66
              },
67
              score: {
68
                millisElapsed: 0.205415,
69
                invocationCounts: {
70
                  score: Long('150'),
71
                  setMinCompetitiveScore: Long('26')
72
                }
73
              }
74
            }
75
          },
76
          collectors: {
77
            allCollectorStats: {
78
              millisElapsed: 0.840381,
79
              invocationCounts: {
80
                collect: Long('150'),
81
                competitiveIterator: Long('2'),
82
                setScorer: Long('2')
83
              }
84
            }
85
          },
86
          metadata: {
87
            mongotVersion: '1.54.0',
88
            mongotHostName: '<hostname>.mongodb.net',
89
            indexName: 'vector_index',
90
            lucene: { totalSegments: 2, totalDocs: 3483 }
91
          },
92
          resourceUsage: {
93
            majorFaults: Long('0'),
94
            minorFaults: Long('0'),
95
            userTimeMs: Long('0'),
96
            systemTimeMs: Long('0'),
97
            maxReportingThreads: 1,
98
            numBatches: 1
99
          },
100
          luceneVectorSegmentStats: [
101
            {
102
              id: '_0',
103
              executionType: 'Approximate',
104
              docCount: 1952,
105
              approximateStage: { millisElapsed: 32.916505 }
106
            },
107
            {
108
              id: '_1',
109
              executionType: 'Approximate',
110
              docCount: 1531,
111
              approximateStage: { millisElapsed: 8.661519 }
112
            }
113
          ]
114
        }
115
      },
116
      nReturned: Long('10'),
117
      executionTimeMillisEstimate: Long('256')
118
    },
119
    {
120
      '$_internalSearchIdLookup': {
121
        limit: Long('10'),
122
        subPipeline: [
123
          { '$match': { _id: { '$eq': '_id placeholder' } } }
124
        ],
125
        totalDocsExamined: Long('10'),
126
        totalKeysExamined: Long('10'),
127
        numDocsFilteredByIdLookup: Long('0')
128
      },
129
      nReturned: Long('10'),
130
      executionTimeMillisEstimate: Long('256')
131
    }
132
  ],
133
  queryShapeHash: '2E39BED257F2B59D3F8652E1A81A18B1140602C4E253DED9FE208D584EA00083',
134
  serverInfo: {
135
    host: '<hostname>.mongodb.net',
136
    port: 27017,
137
    version: '8.2.1-rc1',
138
    gitVersion: '3312bdcf28aa65f5930005e21c2cb130f648b8c3'
139
  },
140
  serverParameters: {
141
    internalQueryFacetBufferSizeBytes: 104857600,
142
    internalQueryFacetMaxOutputDocSizeBytes: 104857600,
143
    internalLookupStageIntermediateDocumentMaxSizeBytes: 104857600,
144
    internalDocumentSourceGroupMaxMemoryBytes: 104857600,
145
    internalQueryMaxBlockingSortMemoryUsageBytes: 104857600,
146
    internalQueryProhibitBlockingMergeOnMongoS: 0,
147
    internalQueryMaxAddToSetBytes: 104857600,
148
    internalDocumentSourceSetWindowFieldsMaxMemoryBytes: 104857600,
149
    internalQueryFrameworkControl: 'trySbeRestricted',
150
    internalQueryPlannerIgnoreIndexWithCollationForRegex: 1
151
  },
152
  command: {
153
    aggregate: 'embedded_movies',
154
    pipeline: [
155
      {
156
        '$vectorSearch': {
157
          index: 'vector_index',
158
          path: 'plot_embedding_voyage_3_large',
159
          queryVector: [
160
            -0.034731735,  0.008558298,   -0.0153717, -0.029912498,  0.011549547,
161
            ...,
162
            -0.006688767,  0.047527634,  0.040714234
163
          ],
164
          numCandidates: 150,
165
          limit: 10
166
        }
167
      }
168
    ],
169
    cursor: {},
170
    '$db': 'sample_mflix'
171
  },
172
  ok: 1,
173
  '$clusterTime': {
174
    clusterTime: Timestamp({ t: 1759341228, i: 32 }),
175
    signature: {
176
      hash: Binary.createFromBase64('BsaUr/khHU1Fyl5/g8htqoavlU8=', 0),
177
      keyId: Long('7553982574624768005')
178
    }
179
  },
180
  operationTime: Timestamp({ t: 1759341228, i: 32 })
181
}

{
  explainVersion: '1',
  stages: [
    {
      '$vectorSearch': {
        index: 'vector_index',
        path: 'plot_embedding_voyage_3_large',
        queryVector: 'redacted',
        exact: true,
        limit: 10,
        explain: {
          query: {
            type: 'ExactVectorSearchQuery',
            args: {
              field: '$type:knnVector/plot_embedding_voyage_3_large',
              similarityFunction: 'dotProduct',
              filter: {
                type: 'DefaultQuery',
                args: { queryType: 'FieldExistsQuery' },
                stats: {
                  context: {
                    millisElapsed: 0.756254,
                    invocationCounts: {
                      createWeight: Long('1'),
                      createScorer: Long('4')
                    }
                  },
                  match: {
                    millisElapsed: 3.835071,
                    invocationCounts: { nextDoc: Long('3405') }
                  },
                  score: { millisElapsed: 0 }
                }
              }
            },
            stats: {
              context: {
                millisElapsed: 1.271846,
                invocationCounts: { createWeight: Long('1'), createScorer: Long('4') }
              },
              match: {
                millisElapsed: 7.699638,
                invocationCounts: { nextDoc: Long('3405') }
              },
              score: {
                millisElapsed: 139.077653,
                invocationCounts: {
                  score: Long('3403'),
                  setMinCompetitiveScore: Long('63')
                }
              }
            }
          },
          collectors: {
            allCollectorStats: {
              millisElapsed: 146.798572,
              invocationCounts: {
                collect: Long('3403'),
                competitiveIterator: Long('2'),
                setScorer: Long('2')
              }
            }
          },
          metadata: {
            mongotVersion: '1.54.0',
            mongotHostName: '<hostname>.mongodb.net',
            indexName: 'vector_index',
            lucene: { totalSegments: 2, totalDocs: 3483 }
          },
          resourceUsage: {
            majorFaults: Long('0'),
            minorFaults: Long('0'),
            userTimeMs: Long('0'),
            systemTimeMs: Long('0'),
            maxReportingThreads: 1,
            numBatches: 1
          }
        }
      },
      nReturned: Long('10'),
      executionTimeMillisEstimate: Long('208')
    },
    {
      '$_internalSearchIdLookup': {
        limit: Long('10'),
        subPipeline: [
          { '$match': { _id: { '$eq': '_id placeholder' } } }
        ],
        totalDocsExamined: Long('10'),
        totalKeysExamined: Long('10'),
        numDocsFilteredByIdLookup: Long('0')
      },
      nReturned: Long('10'),
      executionTimeMillisEstimate: Long('208')
    }
  ],
  queryShapeHash: '2E39BED257F2B59D3F8652E1A81A18B1140602C4E253DED9FE208D584EA00083',
  serverInfo: {
    host: '<hostname>.mongodb.net',
    port: 27017,
    version: '8.2.1-rc1',
    gitVersion: '3312bdcf28aa65f5930005e21c2cb130f648b8c3'
  },
  serverParameters: {
    internalQueryFacetBufferSizeBytes: 104857600,
    internalQueryFacetMaxOutputDocSizeBytes: 104857600,
    internalLookupStageIntermediateDocumentMaxSizeBytes: 104857600,
    internalDocumentSourceGroupMaxMemoryBytes: 104857600,
    internalQueryMaxBlockingSortMemoryUsageBytes: 104857600,
    internalQueryProhibitBlockingMergeOnMongoS: 0,
    internalQueryMaxAddToSetBytes: 104857600,
    internalDocumentSourceSetWindowFieldsMaxMemoryBytes: 104857600,
    internalQueryFrameworkControl: 'trySbeRestricted',
    internalQueryPlannerIgnoreIndexWithCollationForRegex: 1
  },
  command: {
    aggregate: 'embedded_movies',
    pipeline: [
      {
        '$vectorSearch': {
          index: 'vector_index',
          path: 'plot_embedding_voyage_3_large',
          queryVector: [
            -0.034731735,  0.008558298,   -0.0153717, -0.029912498,  0.011549547,
            ...,
            -0.006688767,  0.047527634,  0.040714234
          ],
          exact: true,
          limit: 10
        }
      }
    ],
    cursor: {},
    '$db': 'sample_mflix'
  },
  ok: 1,
  '$clusterTime': {
    clusterTime: Timestamp({ t: 1759341655, i: 1 }),
    signature: {
      hash: Binary.createFromBase64('/pUN/IbVV/OKyakbZcIug8HRS8M=', 0),
      keyId: Long('7553982574624768005')
    }
  },
  operationTime: Timestamp({ t: 1759341655, i: 1 })
}

{
  explainVersion: '1',
  stages: [
    {
      '$vectorSearch': {
        index: 'vector_index',
        path: 'plot_embedding_voyage_3_large',
        queryVector: 'redacted',
        numCandidates: 150,
        limit: 10,
        explain: {
          query: {
            type: 'WrappedKnnQuery',
            args: {
              query: [
                {
                  type: 'InstrumentableKnnFloatVectorQuery',
                  args: {
                    field: '$type:knnVector/plot_embedding_voyage_3_large',
                    k: 150
                  }
                },
                { type: 'DocAndScoreQuery', args: {} }
              ]
            }
          },
          metadata: {
            mongotVersion: '1.54.0',
            mongotHostName: '<hostname>.mongodb.net',
            indexName: 'vector_index',
            lucene: { totalSegments: 2, totalDocs: 3483 }
          }
        }
      }
    },
    {
      '$_internalSearchIdLookup': {
        limit: Long('10'),
        subPipeline: [
          { '$match': { _id: { '$eq': '_id placeholder' } } }
        ]
      }
    }
  ],
  queryShapeHash: '2E39BED257F2B59D3F8652E1A81A18B1140602C4E253DED9FE208D584EA00083',
  serverInfo: {
    host: '<hostname>.mongodb.net',
    port: 27017,
    version: '8.2.1-rc1',
    gitVersion: '3312bdcf28aa65f5930005e21c2cb130f648b8c3'
  },
  serverParameters: {
    internalQueryFacetBufferSizeBytes: 104857600,
    internalQueryFacetMaxOutputDocSizeBytes: 104857600,
    internalLookupStageIntermediateDocumentMaxSizeBytes: 104857600,
    internalDocumentSourceGroupMaxMemoryBytes: 104857600,
    internalQueryMaxBlockingSortMemoryUsageBytes: 104857600,
    internalQueryProhibitBlockingMergeOnMongoS: 0,
    internalQueryMaxAddToSetBytes: 104857600,
    internalDocumentSourceSetWindowFieldsMaxMemoryBytes: 104857600,
    internalQueryFrameworkControl: 'trySbeRestricted',
    internalQueryPlannerIgnoreIndexWithCollationForRegex: 1
  },
  command: {
    aggregate: 'embedded_movies',
    pipeline: [
      {
        '$vectorSearch': {
          index: 'vector_index',
          path: 'plot_embedding_voyage_3_large',
          queryVector: [
            -0.034731735,  0.008558298,   -0.0153717, -0.029912498,  0.011549547,
            ...,
            -0.006688767,  0.047527634,  0.040714234
          ],
          numCandidates: 150,
          limit: 10
        }
      }
    ],
    cursor: {},
    '$db': 'sample_mflix'
  },
  ok: 1,
  '$clusterTime': {
    clusterTime: Timestamp({ t: 1759341765, i: 1 }),
    signature: {
      hash: Binary.createFromBase64('rPjwbtfbjVrbcvkkN0ct/b1UYa8=', 0),
      keyId: Long('7553982574624768005')
    }
  },
  operationTime: Timestamp({ t: 1759341765, i: 1 })
}

{
  explainVersion: '1',
  stages: [
    {
      '$vectorSearch': {
        index: 'vector_index',
        path: 'plot_embedding_voyage_3_large',
        queryVector: 'redacted',
        exact: true,
        limit: 10,
        explain: {
          query: {
            type: 'ExactVectorSearchQuery',
            args: {
              field: '$type:knnVector/plot_embedding_voyage_3_large',
              similarityFunction: 'dotProduct',
              filter: {
                type: 'DefaultQuery',
                args: { queryType: 'FieldExistsQuery' }
              }
            }
          },
          metadata: {
            mongotVersion: '1.54.0',
            mongotHostName: '<hostname>.mongodb.net',
            indexName: 'vector_index',
            lucene: { totalSegments: 2, totalDocs: 3483 }
          }
        }
      }
    },
    {
      '$_internalSearchIdLookup': {
        limit: Long('10'),
        subPipeline: [
          { '$match': { _id: { '$eq': '_id placeholder' } } }
        ]
      }
    }
  ],
  queryShapeHash: '2E39BED257F2B59D3F8652E1A81A18B1140602C4E253DED9FE208D584EA00083',
  serverInfo: {
    host: '<hostname>.mongodb.net',
    port: 27017,
    version: '8.2.1-rc1',
    gitVersion: '3312bdcf28aa65f5930005e21c2cb130f648b8c3'
  },
  serverParameters: {
    internalQueryFacetBufferSizeBytes: 104857600,
    internalQueryFacetMaxOutputDocSizeBytes: 104857600,
    internalLookupStageIntermediateDocumentMaxSizeBytes: 104857600,
    internalDocumentSourceGroupMaxMemoryBytes: 104857600,
    internalQueryMaxBlockingSortMemoryUsageBytes: 104857600,
    internalQueryProhibitBlockingMergeOnMongoS: 0,
    internalQueryMaxAddToSetBytes: 104857600,
    internalDocumentSourceSetWindowFieldsMaxMemoryBytes: 104857600,
    internalQueryFrameworkControl: 'trySbeRestricted',
    internalQueryPlannerIgnoreIndexWithCollationForRegex: 1
  },
  command: {
    aggregate: 'embedded_movies',
    pipeline: [
      {
        '$vectorSearch': {
          index: 'vector_index',
          path: 'plot_embedding_voyage_3_large',
          queryVector: [
            -0.034731735,  0.008558298,   -0.0153717, -0.029912498,  0.011549547,
            ...,
            -0.006688767,  0.047527634,  0.040714234
          ],
          exact: true,
          limit: 10
        }
      }
    ],
    cursor: {},
    '$db': 'sample_mflix'
  },
  ok: 1,
  '$clusterTime': {
    clusterTime: Timestamp({ t: 1759342075, i: 1 }),
    signature: {
      hash: Binary.createFromBase64('jQiwcAMEmfzFnVU/pyb29TnYu0w=', 0),
      keyId: Long('7553982574624768005')
    }
  },
  operationTime: Timestamp({ t: 1759342075, i: 1 })
}

{
  explainVersion: '1',
  stages: [
    {
      '$vectorSearch': {
        index: 'vector_index',
        path: 'plot_embedding_voyage_3_large',
        queryVector: 'redacted',
        numCandidates: 150,
        limit: 10,
        explain: {
          query: {
            type: 'WrappedKnnQuery',
            args: {
              query: [
                {
                  type: 'InstrumentableKnnFloatVectorQuery',
                  args: {
                    field: '$type:knnVector/plot_embedding_voyage_3_large',
                    k: 150
                  },
                  stats: {
                    context: { millisElapsed: 0 },
                    match: { millisElapsed: 0 },
                    score: { millisElapsed: 0 }
                  }
                },
                {
                  type: 'DocAndScoreQuery',
                  args: {},
                  stats: {
                    context: {
                      millisElapsed: 0.013013,
                      invocationCounts: {
                        createWeight: Long('1'),
                        createScorer: Long('4')
                      }
                    },
                    match: {
                      millisElapsed: 0.459619,
                      invocationCounts: { nextDoc: Long('152') }
                    },
                    score: {
                      millisElapsed: 0.179147,
                      invocationCounts: {
                        score: Long('150'),
                        setMinCompetitiveScore: Long('26')
                      }
                    }
                  }
                }
              ]
            },
            stats: {
              context: {
                millisElapsed: 7.113224,
                invocationCounts: {
                  vectorExecution: Long('1'),
                  createWeight: Long('1'),
                  createScorer: Long('4')
                }
              },
              match: {
                millisElapsed: 0.459619,
                invocationCounts: { nextDoc: Long('152') }
              },
              score: {
                millisElapsed: 0.179147,
                invocationCounts: {
                  score: Long('150'),
                  setMinCompetitiveScore: Long('26')
                }
              }
            }
          },
          collectors: {
            allCollectorStats: {
              millisElapsed: 0.868815,
              invocationCounts: {
                collect: Long('150'),
                competitiveIterator: Long('2'),
                setScorer: Long('2')
              }
            }
          },
          metadata: {
            mongotVersion: '1.54.0',
            mongotHostName: '<hostname>.mongodb.net',
            indexName: 'vector_index',
            lucene: { totalSegments: 2, totalDocs: 3483 }
          },
          resourceUsage: {
            majorFaults: Long('0'),
            minorFaults: Long('0'),
            userTimeMs: Long('0'),
            systemTimeMs: Long('0'),
            maxReportingThreads: 1,
            numBatches: 1
          },
          luceneVectorSegmentStats: [
            {
              id: '_1',
              executionType: 'Approximate',
              docCount: 1531,
              approximateStage: { millisElapsed: 2.58089 }
            },
            {
              id: '_0',
              executionType: 'Approximate',
              docCount: 1952,
              approximateStage: { millisElapsed: 3.483542 }
            }
          ]
        }
      },
      nReturned: Long('10'),
      executionTimeMillisEstimate: Long('29')
    },
    {
      '$_internalSearchIdLookup': {
        limit: Long('10'),
        subPipeline: [
          { '$match': { _id: { '$eq': '_id placeholder' } } }
        ],
        totalDocsExamined: Long('10'),
        totalKeysExamined: Long('10'),
        numDocsFilteredByIdLookup: Long('0')
      },
      nReturned: Long('10'),
      executionTimeMillisEstimate: Long('30')
    }
  ],
  queryShapeHash: '2E39BED257F2B59D3F8652E1A81A18B1140602C4E253DED9FE208D584EA00083',
  serverInfo: {
    host: '<hostname>.mongodb.net',
    port: 27017,
    version: '8.2.1-rc1',
    gitVersion: '3312bdcf28aa65f5930005e21c2cb130f648b8c3'
  },
  serverParameters: {
    internalQueryFacetBufferSizeBytes: 104857600,
    internalQueryFacetMaxOutputDocSizeBytes: 104857600,
    internalLookupStageIntermediateDocumentMaxSizeBytes: 104857600,
    internalDocumentSourceGroupMaxMemoryBytes: 104857600,
    internalQueryMaxBlockingSortMemoryUsageBytes: 104857600,
    internalQueryProhibitBlockingMergeOnMongoS: 0,
    internalQueryMaxAddToSetBytes: 104857600,
    internalDocumentSourceSetWindowFieldsMaxMemoryBytes: 104857600,
    internalQueryFrameworkControl: 'trySbeRestricted',
    internalQueryPlannerIgnoreIndexWithCollationForRegex: 1
  },
  command: {
    aggregate: 'embedded_movies',
    pipeline: [
      {
        '$vectorSearch': {
          index: 'vector_index',
          path: 'plot_embedding_voyage_3_large',
          queryVector: [
            -0.034731735,  0.008558298,   -0.0153717, -0.029912498,  0.011549547,
            ...,
            -0.006688767,  0.047527634,  0.040714234
          ],
          numCandidates: 150,
          limit: 10
        }
      }
    ],
    cursor: {},
    '$db': 'sample_mflix'
  },
  ok: 1,
  '$clusterTime': {
    clusterTime: Timestamp({ t: 1759342175, i: 1 }),
    signature: {
      hash: Binary.createFromBase64('AZZrjVPfyyBofyQq/gzs9UBL+/Q=', 0),
      keyId: Long('7553982574624768005')
    }
  },
  operationTime: Timestamp({ t: 1759342175, i: 1 })
}

{
  explainVersion: '1',
  stages: [
    {
      '$vectorSearch': {
        index: 'vector_index',
        path: 'plot_embedding_voyage_3_large',
        queryVector: 'redacted',
        exact: true,
        limit: 10,
        explain: {
          query: {
            type: 'ExactVectorSearchQuery',
            args: {
              field: '$type:knnVector/plot_embedding_voyage_3_large',
              similarityFunction: 'dotProduct',
              filter: {
                type: 'DefaultQuery',
                args: { queryType: 'FieldExistsQuery' },
                stats: {
                  context: {
                    millisElapsed: 0.037129,
                    invocationCounts: {
                      createWeight: Long('1'),
                      createScorer: Long('4')
                    }
                  },
                  match: {
                    millisElapsed: 1.128957,
                    invocationCounts: { nextDoc: Long('3405') }
                  },
                  score: { millisElapsed: 0 }
                }
              }
            },
            stats: {
              context: {
                millisElapsed: 0.061268,
                invocationCounts: { createWeight: Long('1'), createScorer: Long('4') }
              },
              match: {
                millisElapsed: 2.531393,
                invocationCounts: { nextDoc: Long('3405') }
              },
              score: {
                millisElapsed: 7.956341,
                invocationCounts: {
                  score: Long('3403'),
                  setMinCompetitiveScore: Long('63')
                }
              }
            }
          },
          collectors: {
            allCollectorStats: {
              millisElapsed: 10.004281,
              invocationCounts: {
                collect: Long('3403'),
                competitiveIterator: Long('2'),
                setScorer: Long('2')
              }
            }
          },
          metadata: {
            mongotVersion: '1.54.0',
            mongotHostName: '<hostname>.mongodb.net',
            indexName: 'vector_index',
            lucene: { totalSegments: 2, totalDocs: 3483 }
          },
          resourceUsage: {
            majorFaults: Long('0'),
            minorFaults: Long('0'),
            userTimeMs: Long('0'),
            systemTimeMs: Long('0'),
            maxReportingThreads: 1,
            numBatches: 1
          }
        }
      },
      nReturned: Long('10'),
      executionTimeMillisEstimate: Long('25')
    },
    {
      '$_internalSearchIdLookup': {
        limit: Long('10'),
        subPipeline: [
          { '$match': { _id: { '$eq': '_id placeholder' } } }
        ],
        totalDocsExamined: Long('10'),
        totalKeysExamined: Long('10'),
        numDocsFilteredByIdLookup: Long('0')
      },
      nReturned: Long('10'),
      executionTimeMillisEstimate: Long('26')
    }
  ],
  queryShapeHash: '2E39BED257F2B59D3F8652E1A81A18B1140602C4E253DED9FE208D584EA00083',
  serverInfo: {
    host: '<hostname>.mongodb.net',
    port: 27017,
    version: '8.2.1-rc1',
    gitVersion: '3312bdcf28aa65f5930005e21c2cb130f648b8c3'
  },
  serverParameters: {
    internalQueryFacetBufferSizeBytes: 104857600,
    internalQueryFacetMaxOutputDocSizeBytes: 104857600,
    internalLookupStageIntermediateDocumentMaxSizeBytes: 104857600,
    internalDocumentSourceGroupMaxMemoryBytes: 104857600,
    internalQueryMaxBlockingSortMemoryUsageBytes: 104857600,
    internalQueryProhibitBlockingMergeOnMongoS: 0,
    internalQueryMaxAddToSetBytes: 104857600,
    internalDocumentSourceSetWindowFieldsMaxMemoryBytes: 104857600,
    internalQueryFrameworkControl: 'trySbeRestricted',
    internalQueryPlannerIgnoreIndexWithCollationForRegex: 1
  },
  command: {
    aggregate: 'embedded_movies',
    pipeline: [
      {
        '$vectorSearch': {
          index: 'vector_index',
          path: 'plot_embedding_voyage_3_large',
          queryVector: [
            -0.034731735,  0.008558298,   -0.0153717, -0.029912498,  0.011549547,
            ...,
            -0.006688767,  0.047527634,  0.040714234
          ],
          exact: true,
          limit: 10
        }
      }
    ],
    cursor: {},
    '$db': 'sample_mflix'
  },
  ok: 1,
  '$clusterTime': {
    clusterTime: Timestamp({ t: 1759342255, i: 1 }),
    signature: {
      hash: Binary.createFromBase64('sHuAxj9o8MbGe4iRz0Pv1PSi+UY=', 0),
      keyId: Long('7553982574624768005')
    }
  },
  operationTime: Timestamp({ t: 1759342255, i: 1 })
}

{
  explainVersion: '1',
  stages: [
    {
      '$vectorSearch': {
        index: 'vector_index',
        path: 'plot_embedding_voyage_3_large',
        queryVector: 'redacted',
        numCandidates: 150,
        limit: 10,
        explainOptions: {
          traceDocumentIds: [
            ObjectId('573a13d8f29313caabda6557'),
            ObjectId('573a1398f29313caabce98d9'),
            ObjectId('573a1391f29313caabcd8319'),
            ObjectId('573a1398f29313caabceb500'),
            ObjectId('573a1397f29313caabce780e')
          ]
        },
        explain: {
          query: {
            type: 'WrappedKnnQuery',
            args: {
              query: [
                {
                  type: 'InstrumentableKnnFloatVectorQuery',
                  args: {
                    field: '$type:knnVector/plot_embedding_voyage_3_large',
                    k: 150
                  },
                  stats: {
                    context: { millisElapsed: 0 },
                    match: { millisElapsed: 0 },
                    score: { millisElapsed: 0 }
                  }
                },
                {
                  type: 'DocAndScoreQuery',
                  args: {},
                  stats: {
                    context: {
                      millisElapsed: 0.010987,
                      invocationCounts: {
                        createWeight: Long('1'),
                        createScorer: Long('4')
                      }
                    },
                    match: {
                      millisElapsed: 0.009977,
                      invocationCounts: { nextDoc: Long('152') }
                    },
                    score: {
                      millisElapsed: 0.018875,
                      invocationCounts: {
                        score: Long('150'),
                        setMinCompetitiveScore: Long('26')
                      }
                    }
                  }
                }
              ]
            },
            stats: {
              context: {
                millisElapsed: 7.55246,
                invocationCounts: {
                  vectorExecution: Long('1'),
                  createWeight: Long('1'),
                  createScorer: Long('4')
                }
              },
              match: {
                millisElapsed: 0.009977,
                invocationCounts: { nextDoc: Long('152') }
              },
              score: {
                millisElapsed: 0.018875,
                invocationCounts: {
                  score: Long('150'),
                  setMinCompetitiveScore: Long('26')
                }
              }
            }
          },
          collectors: {
            allCollectorStats: {
              millisElapsed: 0.148807,
              invocationCounts: {
                collect: Long('150'),
                competitiveIterator: Long('2'),
                setScorer: Long('2')
              }
            }
          },
          metadata: {
            mongotVersion: '1.54.0',
            mongotHostName: '<hostname>.mongodb.net',
            indexName: 'vector_index',
            lucene: { totalSegments: 2, totalDocs: 3483 }
          },
          resourceUsage: {
            majorFaults: Long('0'),
            minorFaults: Long('0'),
            userTimeMs: Long('0'),
            systemTimeMs: Long('0'),
            maxReportingThreads: 1,
            numBatches: 1
          },
          vectorTracing: [
            {
              documentId: ObjectId('573a1391f29313caabcd8319'),
              visited: false,
              luceneSegment: '_0'
            },
            {
              documentId: ObjectId('573a1397f29313caabce780e'),
              visited: true,
              vectorSearchScore: 0.7469133734703064,
              luceneSegment: '_0'
            },
            {
              documentId: ObjectId('573a1398f29313caabce98d9'),
              visited: false,
              luceneSegment: '_0'
            },
            {
              documentId: ObjectId('573a1398f29313caabceb500'),
              visited: true,
              vectorSearchScore: 0.7521393895149231,
              luceneSegment: '_0'
            },
            {
              documentId: ObjectId('573a13d8f29313caabda6557'),
              visited: true,
              vectorSearchScore: 0.7710106372833252,
              luceneSegment: '_1'
            }
          ],
          luceneVectorSegmentStats: [
            {
              id: '_1',
              executionType: 'Approximate',
              docCount: 1531,
              approximateStage: { millisElapsed: 2.73042 }
            },
            {
              id: '_0',
              executionType: 'Approximate',
              docCount: 1952,
              approximateStage: { millisElapsed: 4.136979 }
            }
          ]
        }
      },
      nReturned: Long('10'),
      executionTimeMillisEstimate: Long('21')
    },
    {
      '$_internalSearchIdLookup': {
        limit: Long('10'),
        subPipeline: [
          { '$match': { _id: { '$eq': '_id placeholder' } } }
        ],
        totalDocsExamined: Long('10'),
        totalKeysExamined: Long('10'),
        numDocsFilteredByIdLookup: Long('0')
      },
      nReturned: Long('10'),
      executionTimeMillisEstimate: Long('22')
    }
  ],
  queryShapeHash: '2E39BED257F2B59D3F8652E1A81A18B1140602C4E253DED9FE208D584EA00083',
  serverInfo: {
    host: '<hostname>.mongodb.net',
    port: 27017,
    version: '8.2.1-rc1',
    gitVersion: '3312bdcf28aa65f5930005e21c2cb130f648b8c3'
  },
  serverParameters: {
    internalQueryFacetBufferSizeBytes: 104857600,
    internalQueryFacetMaxOutputDocSizeBytes: 104857600,
    internalLookupStageIntermediateDocumentMaxSizeBytes: 104857600,
    internalDocumentSourceGroupMaxMemoryBytes: 104857600,
    internalQueryMaxBlockingSortMemoryUsageBytes: 104857600,
    internalQueryProhibitBlockingMergeOnMongoS: 0,
    internalQueryMaxAddToSetBytes: 104857600,
    internalDocumentSourceSetWindowFieldsMaxMemoryBytes: 104857600,
    internalQueryFrameworkControl: 'trySbeRestricted',
    internalQueryPlannerIgnoreIndexWithCollationForRegex: 1
  },
  command: {
    aggregate: 'embedded_movies',
    pipeline: [
      {
        '$vectorSearch': {
          index: 'vector_index',
          path: 'plot_embedding_voyage_3_large',
          queryVector: [
            -0.034731735,  0.008558298,   -0.0153717, -0.029912498,  0.011549547,
            ...,
            -0.006688767,  0.047527634,  0.040714234
          ],
          numCandidates: 150,
          limit: 10,
          explainOptions: {
            traceDocumentIds: [
              ObjectId('573a13d8f29313caabda6557'),
              ObjectId('573a1398f29313caabce98d9'),
              ObjectId('573a1391f29313caabcd8319'),
              ObjectId('573a1398f29313caabceb500'),
              ObjectId('573a1397f29313caabce780e')
            ]
          }
        }
      }
    ],
    cursor: {},
    '$db': 'sample_mflix'
  },
  ok: 1,
  '$clusterTime': {
    clusterTime: Timestamp({ t: 1759343038, i: 1 }),
    signature: {
      hash: Binary.createFromBase64('E3FSIwLHavtFVMsmuqJM5reQc4I=', 0),
      keyId: Long('7553982574624768005')
    }
  },
  operationTime: Timestamp({ t: 1759343038, i: 1 })
}