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This is simple but excellent. AWS should have graphs like that on their calculator page to help people decide how long it will take for their investment in a re
by forbes 13y ago
This is simple but excellent. AWS should have graphs like that on their calculator page to help people decide how long it will take for their investment in a reserved instance to get ahead of on-demand (or another reserved instance plan).
- bhauer 13y agoPerhaps it's pessimistic of me to say so, but I doubt Amazon wants you to be able to appreciate the price relationship with quite this degree of immediacy. Sure, the data is there for you to plot yourself or use a third-party tool such as the OP's. But if you naively select an on-demand instance (the default) where a dedicated instance would be more advantageous for you, Mr. Bezos is made a tiny bit happier.
- nirvdrum 13y agoMaybe, but the heavy reserved instances come with a required hourly commitment. If you buy one, you have to pay the 24/7 hourly usage fee regardless of whether you're actually running a server. That strikes me as the bigger "gotcha."
- promptcloud 13y agoThere is one more "gotcha" if you dig deeper. That is the drop in EC2 prices and Amazon in general has been vague about passing on the benefits of price drop to old reservations ( https://forums.aws.amazon.com/message.jspa?messageID=325153 https://forums.aws.amazon.com/message.jspa?messageID=325153 ) . We even thought about adding speculative price drop and then do the comparison, but dropped the idea. It will be interesting to hear the take of HN community on this ..
- mfenniak 13y agoAmazon actually regularly sends you e-mails letting you know if your configuration can be optimized to reduce it's price by moving to reserved instances. This suggests to me that they favor the reduced revenue but predictable capacity planning of reduced instances.