I think Django 1.0 is also supported. http://code.google.com/p/googleappengine/issues/detail?id=872
On Sep 21, 12:13 pm, pdub <[email protected]> wrote: > Thanks Josh, I actually did have a cron job running in App Engine > itself. I tried running an external job because I wasn't sure whether > or not external and internal requests are routed differently. > > Are you running a custom app framework like Django or are you mostly > sticking to stuff built into App Engine? > > I may have to consider going with Django 0.96 which apparently is > built into AppEngine, but I'm not really looking forward to such a > migration. > > Cheers, > Percy > > On Sep 21, 11:04 am, Joshua Smith <[email protected]> wrote: > > > > > How about creating a cron job in the application itself and pinging > > more frequently? > > > I have a statistics-collection cron in one of my apps that runs once a > > minute. So I suppose I'm doing exactly what you describe, and I > > certainly do not see much of any variation in response times. > > > Of course, I can see why google would find this kind of thing pretty > > annoying, since it could undermine their ability to use their hardware > > efficiently! > > > -Joshua > > > On Sep 21, 2009, at 11:51 AM, pdub wrote: > > > > I have a Python-based application deployed on the App Engine. The > > > application framework (Django App Engine Patch) is a little bit > > > heavyweight, so it takes some time to start up and load all the > > > necessary modules, but once it's loaded it's quite fast. From my > > > logs, it looks like the application is having to start up fairly > > > frequently, which causes very inconsistent response times depending on > > > whether or not it's loading again. To my knowledge, this can be due > > > to two reasons: > > > > 1. The request is being handled by a new processing node on which the > > > application hasn't been loaded yet > > > 2. The application had been loaded on this node, but it has been so > > > long since the last request that it has been unloaded in the meantime > > > > To try to resolve point 2, I created a cron job on an external server > > > that "pings" the home page of my app every 10 seconds or so, and this > > > has helped somewhat. However, my logs show that the application still > > > has to start up on about half of these ping requests. > > > > To improve my process for keeping my application warm, it would help > > > if I understood: > > > > A. How are requests routed in appengine (round-robin, some stickiness, > > > etc.)? > > > B. How long can I typically expect my application to stay loaded in > > > memory? > > > > This would help me figure out whether my approach is even viable (i.e. > > > won't work for round-robin over large cluster) and what to set my ping > > > interval at. > > > > Does anyone have any documentation/insights into either of these > > > points and/or suggestions for alternate approaches to achieving more > > > consistent response times? --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
