3 ms·
As long as my 100k threads are all waiting on io the kernel doesn't need to switch to them. I get that once you reach full utelization, the best the kernel can
by delusional 7y ago
As long as my 100k threads are all waiting on io the kernel doesn't need to switch to them.
I get that once you reach full utelization, the best the kernel can do is to make it fair, and that's going to cost. That's not a general statement like "100k threads grinds the machine to a halt".