"Few hundred thousand" ~= 300,000 /day = 3.47 hits / s "Insert time / record" = ~50 ms (according to the internet) = 50 ms / s locked time. So I'm guessing

"Few hundred thousand" ~= 300,000 /day = 3.47 hits / s "Insert time / record" = ~50 ms (according to the internet) = 50 ms / s locked time. So I'm guessing not. Even if at peak he was seeing 10x traffic, you'd only expect short delays from the database.