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Software Engineering

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    What you are describing here is essentially a distributed transaction: en.wikipedia.org/wiki/Distributed_transaction Commented Jan 6, 2023 at 16:23
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    You must decide: Did the user get created? One possibility is the user didn't get created. Another possibility is the user did get created but e.g. they didn't get a new shopping cart. The latter case means the shopping cart service needs to create a shopping cart for them later (or return an error when they try to use it), and there is nothing to roll back. Commented Jan 6, 2023 at 21:11
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    Here's a good video by Jimmy Bogard that talks about the options available for dealing with distributed failures, Jimmy Bogard - Six Little Lines of Fail. Commented Jan 7, 2023 at 1:03