It looks like settings Min-Idle-Instance to 1 will in fact keep 2 instances (or more) running most of the time.
The scheduler will spawn new instance each time it receives new requests to keep this "idle" instance available. Check these 2 related issues : http://code.google.com/p/googleappengine/issues/detail?id=5765 http://code.google.com/p/googleappengine/issues/detail?id=5764 Francois -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine/-/kXcXBjLKNNAJ. To post to this group, send email to google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.