Chapter 19. Creating KPIs
The only man I know who behaves sensibly is my tailor; he takes my measurements anew each time he sees me. The rest go on with their old measurements and expect me to fit them.
—George Bernard Shaw
A startup decides that web site speed is important to the success of its business. Management decides that page load time will be the key performance indicator (KPI) that determines employee pay raises at the end of the year. Soon services that shared machines are given dedicated resources to avoid any possibility of interprocess interference. Only the fastest machines are purchased. Many features are delayed as time is dedicated to code optimization. By the end of the year, the KPI measurements confirm the web pages have ...