title: what is system load?
body: <p>I have an application that loggs this value:</p>
  
  <p>and calls it system load.
  when I look at the log file this is a decimal number between 0 and 1.
  oh and the operating system is linux.
  I don't know what does it meen?</p>
  
  <pre><code> ManagementFactory.getOperatingSystemMXBean().getSystemLoadAverage();
  </code></pre>