Question 115191 in Mongodb Question posted in
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Mongodb – How to replace all documents with new documents efficiently

I want to replace all documents in my collection and replace them with new documents.

So far, I tried using deleteMany() then create() but there seems to be a small latency between the 2 operations. So is there any way I can delete everything and create documents at the same time?

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Answers


  1. 0

    You might try replaceMany; since that’s an atomic operation, it’s considered as a single operation without any latency between deleting the old documents and creating the new ones.

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  2. 0

    If you want to keep the old object IDs, the replace or update method will be the solution. If not – delete and then сreate. Also you can combine it all in BulkWrite method.

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