The first resource performance issue usually noticed by administrators is high CPU (Central Processing Unit) usage. When users report slow performance, the first thing most administrators do is open Windows Task Manager and look at processor usage. This problem is usually a symptom of something else going on with the machine or application. It doesn’t take much for an immediate CPU spike—it could be as simple as an infinite loop in code.
What Causes CPU Pressure?
If there was an easy answer to the question of what causes CPU pressure, an administrator’s job would be a lot easier. Let’s look at a list of common items that cause pressure:
Poorly written applications
Servers not sized to support the applications