title: What does "Stage Skipped" mean in Apache Spark web UI?
body: <p>From my Spark UI. What does it mean by skipped?</p>
  
  <p><a href="https://i.stack.imgur.com/cyvd1.png"><img src="https://i.stack.imgur.com/cyvd1.png" alt="enter image description here"></a></p>