Re:SSDs Have Become Fast, Except in the Cloud
by scottlamb on Tuesday February 20, 2024 @04:33PM
(#39447211)
Interesting, thanks!
> If you and I still worked at Google I'd just give you an automon dashboard link showing latency an order of magnitude better than that to prove myself…
I believe you, and I think in principle we should all be getting the 50 µs latency you're describing within a datacenter with no special effort.
...but it doesn't match what I observed, and I'm not sure why. Maybe difference of a couple years. Maybe I was checking somewhere with older equipment, or some important config difference in our tests. And obviously my memory's a bit fuzzy by now but I know I didn't like the result I got.
> If you and I still worked at Google I'd just give you an automon dashboard link showing latency an order of magnitude better than that to prove myself…
I believe you, and I think in principle we should all be getting the 50 µs latency you're describing within a datacenter with no special effort.
...but it doesn't match what I observed, and I'm not sure why. Maybe difference of a couple years. Maybe I was checking somewhere with older equipment, or some important config difference in our tests. And obviously my memory's a bit fuzzy by now but I know I didn't like the result I got.