title: How is delay of the akka scheduler?
body: <p>I wrote an actor, using a scheduler each 5 milliseconds to assign a time stamp to a field.</p>
  
  <p>And in test, I found that the result of <code>(System.currentTimeMillis() - timeField)</code> is at least 35</p>
  
  <p>And if I use a <code>scheduleAtFixedRate()</code> method from the Executors.scheduledThreadPool, the result is right.</p>
  
  <p>So is the scheduler delay has a min value ?</p>
  
  <p>Answer: the default tick duration is 100 milliseconds.</p>