Searching visually? Yes, 100k would be impossible. But then, even one year's worth would be impossible. So you're surely using your editor's search function, and that's definitely fast enough to not care whether you've got several lifetimes' notes.
A do see a lot of people who are making date stamped files, but I can't understand why. Do you want to switch between using C-s vs dropping to command-line for grep?
It's another function though, surely harder to reach for than the normal search. What's the value in bifurcating your searching process? What do you gain?
A do see a lot of people who are making date stamped files, but I can't understand why. Do you want to switch between using C-s vs dropping to command-line for grep?