That's true, but anecdotal data would give me at least half your peaks are still online. Definitely higher for sites like Google. Is it really worth the other "

That's true, but anecdotal data would give me at least half your peaks are still online. Definitely higher for sites like Google. Is it really worth the other "non-continuous deployment" risks to not deploy against a quarter of your base? Let's say you really have a lower-bound of half your upper-bound; what if your deploy is only going to go south with somewhere in between? Now your engineer not only stayed up until 2am PST, but he is getting woken up at 6am PST to fix a hellstorm.