title: How to extend log4j2 RollingFileAppender?
body: <p>I need to copy the gz file after the gzip was done. What is the best way to do this?</p>
  
  <ol>
  <li>There is a way to extend the RollingFileAppender?</li>
  <li>Create another appender - but this means that every log line he will perform this task. </li>
  <li>Some other way that I don't know of. </li>
  </ol>