Performance Matters

A number of years ago the title of the talk is performance matters. And it turned out to be because they were SSH didn't under different accounts. So that means they had different home directories home directories or in your environment variables environment variables are in memory and that was enough like just the delta in the size of the environment variables was enough to change how the memory was laid out. Totally totally bloggers. I agree just totally insane to think about especially when you think about it's like well I was performance and measuring something could this be a larger effect that I need to deal with. Then you get other crazy things like this is one of the stories I really love like internally in Google. We have