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A comment on Xero reveals the impact of mammoth Amazon Web Services migration. Parent comment

Re:Xero reveals the impact of mammoth Amazon Web Services mi... by manigandham on Thursday May 10, 2018 @06:12AM (#17037584)
Scaling really isn't that big of a deal. 99.99% of companies do not "scale" very fast at all. Most large deployments are grown organically over months or years.

Flexibility is a much bigger factor in using the cloud.

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Re:Xero reveals the impact of mammoth Amazon Web Services mi... by ukj on Wednesday May 16, 2018 @03:03AM (#17080531)
It is one an the same problem - money/time trade-off. Which one is worth more to you? It depends.

I've worked at organisations where "get N extra servers" was a 6-8 month process. Because of this you have to be extremely good at capacity planning.

And very few organisations are good at these guessing games.

Either you over-provision with a generous safety margin; or you don't - and your fail to handle peak loads.

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