Took 4.67s to render http://www.webpagetest.org/result/100306_5PZ7/1/details/

I monitored cold startup for a month on one of my apps and some times see 10s cold startup. http://www.webpagetest.org/result/100309_5TDW/

This is after profiling, reducing imports, caching, using app appstats, etc.

Some folks have resorted to pinging every minute but Google discourages that since it ties up their resources. If everyone pinged their site once a minute then resources would never be freed....

Here's a good thread on the issue https://groups.google.com/group/google-appengine/browse_thre...