But that's not the case here, it's still 5s to copy 1GB of data unless the cache fills up, which many people won't normally do.
So the parent post's analogy with an undersized radiator is still appropriate, you need to understand the whole system to know what its impact on you will be - you can get one good 0-60 run, then need to let the car cool down at idle for 15 minutes before you try it again.
So the parent post's analogy with an undersized radiator is still appropriate, you need to understand the whole system to know what its impact on you will be - you can get one good 0-60 run, then need to let the car cool down at idle for 15 minutes before you try it again.