I have a vector search index. If I perform a write operation, I believe that indexes on a collection are updated before the write operation returns. Is that also true of an Atlas Search vector index, or is that updated in the background after the write operation?
Atlas Search and Atlas Vector Search both update the index in the background after a document has been updated in the database itself. It shouldn’t take long (under a second, typically) though is not instantaneous.
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Yes, in MongoDB Atlas write operation affecting the collection with Atlas search vector indexes typically update the indexes before write operation return.