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Good point, the multi-AZ RDS feature is a nice way to get most of the resilience upsides without any additional app complexity. You do double your database cost
by matt2000 7y ago
Good point, the multi-AZ RDS feature is a nice way to get most of the resilience upsides without any additional app complexity. You do double your database cost, but that might be worth it.
- runamok 7y agoNot necessarily. You could keep the reader a smaller size and scale it up only if needed.
- acdha 7y agoThat’s assuming that you a) religiously test with the smaller size and b) are comfortable that scaling up will work when lots of other people are shifting workloads, too. I usually work on projects where we haven’t wanted to deal with that but that’s a judgement call.
- liveoneggs 7y ago"dual az" is a checkbox that doubles your cost for transparent failover; it's different from the read only replica