There have been a few threads discussing this recently. It appears that they are bringing in the new instance scheduler in the background, which will eventually replace the "Always On" concept. Unfortunately this has the side effect that the current Always On instances aren't being used in the way they were before.
There's a very good explanation by a Googler in this thread: https://groups.google.com/d/msg/google-appengine/nRtzGtG9790/d0hB-q9__S8J -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine-java/-/x0bcMO7McZkJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
