This week I have discovered that even though MongoDB 4.0 supports multi-documents transactions, it actually needs a replica set or to have sharding enabled. Of course this is nowhere mentioned on their docs.

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But, I sort of understand why. Using multi documents is not that desired when you're talking about storing Documents on a NoSQL database.

I think this says much more about us not using the tool in the right way than about MongoDB.

That being said, MongoDB sucks, don't use it.

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@uoya Here's a list from 2015: cryto.net/~joepie91/blog/2015/

Some of these issues still linger to this day. Aggregation pipelines are a pain in the ass to make it work, transactions don't work if you don't use sharding/or replicas which are also a PITA to make it right.

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