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.
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.