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 [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 -~----------~----~----~----~------~----~------~--~---
