title: Using RollingFileAppender in log4j for rolling log files
body: <p>I want to use log4j in my web application. I would like to configure log4j in such a way that when the file reaches a certain size, we start writing a new log files, making it easier to open and read.</p>
  
  <p>Can you please explain the set up of <code>RollingFileAppender</code>?</p>