Maybe you should look at this issue : http://code.google.com/p/googleappengine/issues/detail?id=732
FYI : it is useless to add "no-cache" to the response (ie. self.headers['Cache-Control'] = 'no-cache') because it is done by default. Regards On 24 sep, 10:59, djidjadji <[EMAIL PROTECTED]> wrote: > Hi Tony, > > after a few other observations I think the Firefox cache is doing > things different then I suspect. Now I have added a 'no-cache' to the > response for the HTML pages. > I will see if the problem is solved. The images are still cached. > > Djidjadji > > 2008/9/23 Tony Arkles <[EMAIL PROTECTED]>: > > > > > It should be distributed. Could you post some code that exhibits the > > behaviour you're describing? > > > On Sep 22, 6:04 pm, djidjadji <[EMAIL PROTECTED]> wrote: > >> To speed up the response for most queries I use memchache to store > >> part of the generated html. > >> When the objects change that are used for this memcache entry I call > >> memcache.delete(key) then > >> I redirect myself to the page that will generate the memcache content > >> for this key. > > >> What I see is that sometimes the new page contains the modifications, > >> memcache(key) is updated. > >> In the other cases I see the old content. Then I wait a while and do a > >> second reload > >> and then I see the new content. I don't think it is a browser cache > >> issue because there are cases > >> where the updated content is show when I redirect. > >> If the redirect is serviced by the same host I can assume the memcache > >> item is deleted. > >> But if the redirect request is serviced by another host or another > >> datacenter is the item then also deleted? > > >> The manual and a few post in this group memtion that mecache inc() and > >> dec() an integer value atomically in the memcache. > >> This would suggest that ALL instances of my application see the same > >> memcache items. > > >> My question? > > >> Is there one (1) memcache as observed by the programmer? > >> Does it take time to distribute the delete (or inc or dec) operation > >> across the datacenters? > >> Or is the memcache separate for every host or every datacenter? > > >> All the examples that use mecache that I I have seen use it for > >> keeping score of a total with a timeout of around 60 min. > >> Not a problem if it is not the exact number (of people online, of > >> messages posted today...) > >> I have a timeout value of around 3600 (60min), large time between > >> mutations. > > >> djidjadji --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com 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 -~----------~----~----~----~------~----~------~--~---