Yes, we are now seeing the occasional deadline exceeded in the AM US time for a small-stack app as well.
On Nov 3, 6:18 am, Tim Hoffman <[email protected]> wrote: > > Also for a static page such as about, does it not make sense to cache the > > rendered template in Memcache, to save the processing? > > It does > > However you are not guarunteed to find anything in the cache, and I > think its indicative of a capacity problem in the early morning US > time > that startup times that normally are around 3-4 sec, blow out to 30 > sec are occuring very frequently. > > So the best example of this problem is one that doesn't load a big > stack and still blows out instance startup time, as per the OP's post. > > Rgds > > T > > On Nov 3, 5:53 am, William Montgomery > > > > <[email protected]> wrote: > > Also for a static page such as about, does it not make sense to cache the > > rendered template in Memcache, to save the processing? > > > Will. > > > 2009/11/2 Jason C <[email protected]> > > > > We have a webapp application that occasionally gets > > > DeadlineExceededErrors on cold start (i.e., >30s!). This is a regular > > > occurrence on our Django-based apps. > > > > Happens at the usual times: say, 6-9a PST. > > > > j > > > > On Nov 2, 2:17 pm, Brandon Thomson <[email protected]> wrote: > > > > For a simple webapp app, even cold start should be not more than > > > > 50-100ms extra. One thing you might be affected by is slow import bug; > > > > you may want to add more logging statements to see if that is the > > > > cause. Either way try to bring it to the attention of googlers so they > > > > can look into it as there is probably nothing you can do. > > > > > On Nov 1, 5:48 pm, Blake <[email protected]> wrote: > > > > > > Hi - > > > > > > I have a relatively simple app and I've noticed significant > > > > > performance degredation over the last week. Even on extremely simple > > > > > pages like the "about" page which has the following code: > > > > > > class About(webapp.RequestHandler): > > > > > > def get(self): > > > > > > template_values = {} > > > > > path = os.path.join(os.path.dirname(__file__), '../views/ > > > > > about.html') > > > > > self.response.out.write(template.render(path, > > > > > template_values)) > > > > > > Yesterday, requests to this page were taking anywhere from 10-15 > > > > > seconds to display from the time appengine first recorded the request > > > > > arrival - just to verify I adding some logging and it was almost the > > > > > entire time of the request before flow control was in my class. > > > > > Naturally once my code was executing it finished very quickly as all > > > > > it does is render a static html file. Some requests finished almost > > > > > instantaneously, but consistently I ran into the enormous delay. This > > > > > pattern leads me to believe that I'm being affected by the "cold > > > > > start" phenomenon but I would expect that as I continued to hit > > > > > refresh to generate logging data that all subsequent loads would be > > > > > fast, but many were not. Any insights? > > > > > > -Blake --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. 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?hl=en -~----------~----~----~----~------~----~------~--~---
