title: What kind of Threads dose apache process include?
body: <p>I use Apache for windows.</p>
  
  <p>My Windows resource monitor shows 5 threads in httpd.exe although I set 1 for ThreadsParCild directive in httpd.conf.</p>
  
  <p>I know 1 of the thread must be worker thread as I set.</p>
  
  <p>Then what are another 4 threads for?. Are tye somthing idling thread?</p>