title: Understand Ring Buffer in async Logger
body: <p>In async logger of log4j2  <a href="https://logging.apache.org/log4j/2.x/manual/async.html" rel="nofollow noreferrer">mannual link</a></p>
  
  <p>default value of <code>log4j2.asyncLoggerConfigRingBufferSize</code> is <code>256 * 1024</code></p>
  
  <p>What does <code>256</code> and <code>1024</code> represent here?   </p>