Questions tagged [eventual-consistency]

Assume we have a function that updates a User's password. Once the 'Update Password' button is clicked, an UpdatePasswordEvent is sent to a topic where 3 other services are subscribed: A service that actually updates the User's password A service…

We know that for Database Systems - the Consistency in ACID properties is part of the acronym: A - Atomicity C - Consistency I - Isolation D - Durability We know that for NoSQL Systems, the Consistency in the CAP Theorem is part of the acronym: C -…

I'm thinking about "simple" problem. I have database with messages and email adresses to send: emailAddress string message string Sent bool Is it possible to write a system in which I can be sure whatever happens that email will be sent only once?…