Comment by luuio
11 hours ago
let's say you have an object like this when you started: {count: 10, etag: 1}. then for some reason, something failed.
when you retry and load the object, you get {count: 12, etag: 3}. how do you know if your previous attempt had successfully persisted or not, or if the updates to the object came from other processes/requests?
you're mixing up conflict handling vs. idempotency
Ah, the system is not capable of giving you a confirmation that your update succeeded, you don't really have a way to know without external "checkpoint" system?
Anyway, okay, I get that I don't get it, and I get that it does sound terrible, agreed!