title: Linux stdout where writes the log and how much memory assigned to it
body: <p>I am using <code>ConsoleAppender</code> for logging in my Java application.
  <code>ConsoleAppender</code> writes to the <code>System.out</code> which is <code>stdout</code> in case of Linux.</p>
  <p>Can someone help me understanding where does <code>stdout</code> logs go and how much is the memory assigned to it.</p>
  <p>I need to know this because all my logs to <code>stdout</code> are not being picked by filebeat to put in the elastic search index.</p>