I personally would NEVER recommend using .toArray() to query an indefinite/very large no. of documents, as you're asking nodejs to fetch 3milllion documents from your db and store the whole thing in one humongosaurus array in memory. Hope you have a high-spec computer. Also, it won't write anything to aโฆ
Anuj Pancholi
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Answer: How to efficiently export 3 million documents from MongoDB Atlas collection to CSV file using NodeJS?
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