title: Appengine Cold start on every request call (Java)
body: <p>I've recently started having coldstarts on nearly every call to my appengine app.  Initially I thought this was an issue with Cloud Endpoints, however now I believe it is an appengine issue, or something else in my code.
  This started on my most recent deployment.  I'm at a loss right now as to what is going on.  It has made my app useless.  I have tried 1.7.4 and 1.7.5 and both have this problem.</p>
  
  <p>The requests work other than being extremely slow!  Any help would be greatly appreciated, as I can not continue with 10-15 request times!</p>
  
  <p>Update:  By looking at my running instances I see NO instances running even after making a request.  Previously instances would remain running after requests were made.  It appears when a request is made an instance is spun up, serves the request, and then dies.  There are no errors in my logs.  No changes have been made to my app settings or billing.  This app does have billing enabled.</p>
  
  <p>Update 2:  I have adjusted my idle instance settings(which up to this point have worked and have been left untouched).  I set to a min of 1 and max of 2.  The instances are staying alive and serving requests as normal.  Previously it was set to automatic-1. Not sure what is going on here, perhaps Google adjusting the request scheduler or something.  Not COOL!</p>