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So it uses serverless functions, but still requires EC2. “ deploy InfiniCache on a EC2 instance with powerful CPU and high bandwidth”

I don’t understand.

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EC2 runs proxy, which does erasure coding and lambda periodic pings to keep them running and therefore preserving cache.

So basically abusing how serverless functions are supposed to work by "warming them up". I wouldn't count on this working long-term as cloud vendors will be more aggressive in discouraging this behaviour.

Eventually it gives them an incentive to embed such functionalities out of the box if they notice significant usage pattern. Why fight it when you can embrace it and profit from it?

Long before AWS implemented provisioned capacity, these kinds of hacks were pretty common.

I would expect that the number of customers that would roll this out and run it without any mistakes that drive up the monthly spend is small enough that Amazon doesn’t care.

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