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by timewizard 343 days ago
> I've always been told that caching is a tool to make software faster.

Who told you that?

> you don't have to go all the way back to some backend database or API server or SSD [...] Caching is thus a tool to improve performance.

That's called "latency." This is not at all the same as "performance."

> My feelings now are that that perspective on caching is wrong

I agree.