The Definitive Guide to Drupal 7

C H A P T E R  27

Scaling Drupal

by Károly Négyesi

To define scaling, let's look at a little café. When it opens up, because it's little, the owner does everything: she takes the order, prepares the drink, and takes the payment in exchange for the coffee. Some time passes and the café becomes popular so the owner hires a barista and a waiter. Now the waiter takes the order and gets the money. The barista gets a slip with the order, prepares the drink, and gives it to the customer. What you should notice here is that when one person did everything, the exchange of the money and the drink happened at the same time. But now the customer hands over ...