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 -~----------~----~----~----~------~----~------~--~---
