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> , it's a system that works under the condition that there are no partitions But that is not a choice with distributed systems, unless as soon as a partition
by rdtsc 10y ago
> , it's a system that works under the condition that there are no partitions
But that is not a choice with distributed systems, unless as soon as a partition happens the system shuts down immediately. That is it effectively disappears and never re-appears again. But that's not a CA system then?
Or saying that it is not partition resistant is also difficult because the system in case of a partition will do _something_. The typical choices is that it either responds to clients (trying to be AP) or it doesn't (trying to be CP).
That is why I understand CA systems as equivalent to the belief that "partitions can't happen". Which I think is unrealistic.
- robryk 10y agoThis is a system which is guaranteed to be consistent and available as long as there are no partitions. If there are partitions, the system isn't guaranteed to be either. Yes, it's a pretty much useless system.