MongoDB 보기를 사용하여 Atlas Vector Search를 위한 문서 변환 및 컬렉션 필터링
보기에서 Atlas Vector Search 인덱스를 생성하여 문서와 컬렉션을 변환할 수 있습니다. 이를 통해 컬렉션을 부분적으로 인덱싱하거나 호환되지 않는 데이터 타입 또는 데이터 모델을 지원하는 등의 작업이 가능합니다.
참고
MongoDB 보기를 Atlas Vector Search와 함께 사용하는 것은 미리 보기 기능으로 제공됩니다. 해당 기능과 관련 문서는 미리보기 기간 동안 언제든지 변경될 수 있습니다.
다음 예시는 sample_mflix 샘플 데이터베이스를 사용합니다.
참고
명확화
이 페이지에서는 표준 보기에 대해 설명합니다. 온디맨드 구체화된 보기에 대한 자세한 내용은 온디맨드 구체화 보기를 참조하세요.
보기 유형 간의 차이점에 대해 알아보려면 온디맨드 구체화 보기의 비교를 참조하세요.
요구 사항:
다음을 사용해야 합니다.
MongoDB 8.0 이상 버전
미리보기 기간 동안 다음을 사용해야 합니다.
제한 사항
Atlas Vector Search는 다음 단계에서
$expr에 대해서만 보기를 지원합니다.인덱스 이름은 소스 컬렉션과 모든 보기에서 고유해야 합니다.
Atlas Vector Search는
$$USER_ROLES및$random과 같은 동적 결과를 생성하는 변수로 정의된 보기를 지원하지 않습니다.Atlas Vector Search 쿼리는 소스 컬렉션에 표시된 대로 원본 문서를 반환합니다.
예시: 문서 필터링
보기를 생성하려면 createCollection 권한이 필요합니다.
문서를 필터링하여 컬렉션을 부분적으로 인덱싱할 수 있습니다. 다음 예시는 sample_mflix.embedded_movies 컬렉션에 벡터 임베딩 필드가 있는 문서만 인덱싱되도록 보기를 생성합니다.
1
mongosh를 사용하여 Atlas 클러스터에 연결합니다.
자세한 내용은 mongosh를 통한 연결을 참조하세요.
3
4
AtlasGo Atlas 에서 프로젝트 의 Clusters 페이지로 고 (Go) 합니다.
아직 표시되지 않은 경우 탐색 표시줄의 Organizations 메뉴에서 원하는 프로젝트가 포함된 조직을 선택합니다.
아직 표시되지 않은 경우 탐색 표시줄의 Projects 메뉴에서 원하는 프로젝트를 선택합니다.
아직 표시되지 않은 경우 사이드바에서 Clusters를 클릭합니다.
Clusters(클러스터) 페이지가 표시됩니다.
5
8
인덱스 구성을 시작합니다.
페이지에서 다음 항목을 선택한 후 Next를 클릭합니다.
Search Type | Atlas Vector Search 인덱스 유형을 선택합니다. |
Index Name and Data Source | 다음 정보를 지정합니다.
|
Configuration Method | For a guided experience, select Visual Editor. To edit the raw index definition, select JSON Editor. |
참고
Atlas Search 인덱스 의 이름은 기본값 으로 default 으로 지정됩니다. 이 이름을 유지하면 해당 인덱스 연산자에 다른 index 옵션을 지정하지 않는 모든 Atlas Search 쿼리 대한 기본값 검색 인덱스 됩니다. 여러 인덱스를 생성하는 경우 인덱스 전체에서 일관적인 되고 설명이 포함된 명명 규칙을 유지하는 것이 좋습니다.
9
12
13
embeddingsIndex 부분 인덱스에 쿼리를 실행합니다.
참고
다음 예시는 소스 컬렉션 embedded_movies에 대해 .aggregate 명령을 실행하여 embeddingsIndex 인덱스를 쿼리합니다. 미리보기 기간 동안 보기의 소스 컬렉션(embedded_movies)을 사용하여 보기에서 생성된 검색 인덱스를 쿼리해야 합니다. 보기(moviesWithEmbeddings)를 쿼리하면 Atlas Vector Search는 결과를 반환하지 않습니다.
use sample_mflix
1 db.embedded_movies.aggregate([ 2 { 3 "$vectorSearch": { 4 "index": "embeddingsIndex", 5 "path": "plot_embedding", 6 "queryVector": 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[ { "plot" : "A reporter, learning of time travelers visiting 20th century disasters, tries to change the history they know by averting upcoming disasters.", "title" : "Thrill Seekers" }, { "plot" : "At the age of 21, Tim discovers he can travel in time and change what happens and has happened in his own life. His decision to make his world a better place by getting a girlfriend turns out not to be as easy as you might think.", "title" : "About Time" }, { "plot" : "Hoping to alter the events of the past, a 19th century inventor instead travels 800,000 years into the future, where he finds humankind divided into two warring races.", "title" : "The Time Machine" }, { "plot" : "After using his mother's newly built time machine, Dolf gets stuck involuntary in the year 1212. He ends up in a children's crusade where he confronts his new friends with modern techniques...", "title" : "Crusade in Jeans" }, { "plot" : "An officer for a security agency that regulates time travel, must fend for his life against a shady politician who has a tie to his past.", "title" : "Timecop" }, { "plot" : "A time-travel experiment in which a robot probe is sent from the year 2073 to the year 1973 goes terribly wrong thrusting one of the project scientists, a man named Nicholas Sinclair into a...", "title" : "A.P.E.X." }, { "plot" : "Agent J travels in time to M.I.B.'s early days in 1969 to stop an alien from assassinating his friend Agent K and changing history.", "title" : "Men in Black 3" }, { "plot" : "Bound by a shared destiny, a teen bursting with scientific curiosity and a former boy-genius inventor embark on a mission to unearth the secrets of a place somewhere in time and space that exists in their collective memory.", "title" : "Tomorrowland" }, { "plot" : "With the help of his uncle, a man travels to the future to try and bring his girlfriend back to life.", "title" : "Love Story 2050" }, { "plot" : "A dimension-traveling wizard gets stuck in the 21st century because cell-phone radiation interferes with his magic. With his home world on the brink of war, he seeks help from a jaded ...", "title" : "The Portal" } ]
문제 해결
다음 시나리오에서는 인덱스 상태가 FAILED로 변경됩니다.
Atlas Vector Search와 호환되지 않는 보기에 인덱스를 생성하는 경우입니다.
Atlas Vector Search 호환성 요구 사항을 충족하지 않는 방식으로 보기를 편집하는 경우입니다.
보기의 소스 컬렉션을 제거하거나 변경한 경우
예를 들어 하나의 보기가 다른 보기를 기반으로 생성되었고 그 상위 보기 소스를 다른 컬렉션으로 변경하는 경우입니다.
참고
이 제한은 뷰가 다른 뷰의 하위인 경우에도 적용됩니다. 예를 들어, 모든 하위 항목의 출처가 되는 소스 컬렉션을 변경하거나 제거할 수 없습니다.
다음 시나리오에서는 인덱스가 중단됩니다.
경고
뷰에 정의된 집계 파이프라인이 컬렉션의 문서와 호환되지 않으면 검색 복제가 실패합니다. 예를 들어, 배열이 포함된 문서 필드에서 $toDouble 표현식이 작동하는 경우 복제가 실패합니다. 뷰가 컬렉션의 모든 문서에서 오류 없이 작동하는지 확인하세요.
인덱스가
READY되는 사이에 뷰 정의 집계 실패를 일으키면, 인덱스는STALE상태가 됩니다. 문서를 해결하거나 뷰 정의를 변경하여 더 이상 실패하지 않도록 하면 인덱스가READY로 돌아갑니다. 그러나 인덱스는 oplog에서 복제가 자동으로 제거될 때까지 쿼리할 수 있습니다.인덱스가
BUILDING일 때 뷰 정의가 집계 파이프라인 오류를 일으키면 문서를 수정할 때까지 인덱스 생성이 중단됩니다. 문서를 해결하거나 뷰 정의를 변경하여 더 이상 실패하지 않도록 하면 인덱스가READY로 돌아갑니다.
Atlas UI의 인덱스 상태 세부 정보 페이지에서 인덱스 상태를 볼 수 있습니다.
인덱스 프로세스
보기에 Atlas Vector Search 인덱스를 생성할 때 mongot 프로세스는 일반 컬렉션에 Atlas Vector Search 인덱스를 생성할 때와 동일한 작업을 수행합니다. mongot 프로세스는 다음과 같습니다.
컬렉션에 대한 인덱스 정의의 규칙에 따라 Atlas Vector Search 인덱스를 생성합니다.
Atlas Vector Search 인덱스를 정의한 컬렉션의 문서 및 인덱스의 현재 상태에 대한 변경 스트림을 모니터링합니다.
Atlas Vector Search 쿼리를 처리하고 일치하는 문서의 문서 ID 및 기타 검색 메타데이터를
mongod에 반환합니다. 그런 다음 전체 문서 조회를 수행하고 결과를 클라이언트에 반환합니다.
보기에서 Atlas Vector Search 인덱스를 생성하면 보기 정의는 1 및 2 단계에서 적용되고 변환된 문서는 디스크의 Atlas Vector Search 인덱스에 저장됩니다.
자세히 알아보기
뷰에 대한 자세한 내용은 뷰를 참조하세요.
보기에서 Atlas Search 인덱스를 생성하려면 MongoDB 보기를 사용하여 문서 변환 및 컬렉션 필터링을 참조하세요.