title: Why does change configuration on Azure Cloud Service take so long?
body: <p>I have an Azure Cloud Service. One of the Web Role contains a configuration which I need to change its value every few days. </p>
  
  <p>Each time when I change the value, Azure takes about 10~15 min to finish the procedure. Which make me quite confusing, since what I've changed is just a configuration value. </p>
  
  <p>So I'm wondering what does Azure do in the background that make it so slow?</p>