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He started before the feature was released and acknowledges they came up with an in-product solution:

"and it seems they now have a full fledged solution for the problem, based on pretty much a reimplementation of AutoScaling, using machine learning and with a beautiful UI and they are really successful with it. Funnily enough, they even contacted me to sell that solution to my company and we are seriously evaluating it"

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He's talking about Spotinst.com, not Amazon's fleet solution.

Ah, okay, I missed that part!

Yes, but I actually did start a few weeks before the spot fleet was launched.

The problem with the spot fleet 1) it's kind of awkward to use 2) it has statically defined capacity so you can't scale it 3) it has a static bid price, so if at some point your are outbid on all the group's bids, you end up with no capacity 4) among other things it lacks integration with the ELB so you can't really use it for so many use cases.

My solution is simpler, better integrated with the rest of AWS and more resilient and once I iron out the bugs and get it production-ready, it should be a better choice.

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