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A comment on Ask HN: Is your company sticking to on-premise servers? Why?. Parent comment

Re:Ask HN: Is your company sticking to on-premise servers? Why? by Wintereise on Wednesday May 06, 2020 @10:12PM (#23098928)
Yep. Got bitten HARD by this recently, $1.5k inter-az transfer charges that we never saw coming.

Our fault, I suppose -- but multi-az is prohibitively expensive if you need to run anything data heavy distributed.

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Re:Ask HN: Is your company sticking to on-premise servers? Why? by resonator on Thursday May 07, 2020 @01:48AM (#23100079)
I'm working on reducing a $50K per month bill for Inter-AZ traffic at the moment.

> but multi-az is prohibitively expensive if you need to run anything data heavy distributed.

If you communicate between your AZs via ALBs, multi-az is effectively free. Our bill is so high because within our Kubernetes cluster, our mesh isn't locality aware; it randomly routes to any available pod. 2/3rds of our traffic crosses AZs.

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