That sounds pretty consistent with my own experience. https://developers.google.com/appengine/docs/python/memcache/overview#How_Cached_Data_Expires
If you want better guarantees you may want to star this issue: http://code.google.com/p/googleappengine/issues/detail?id=6078 On Tuesday, September 25, 2012 3:48:09 PM UTC-7, Tom Saulpaugh wrote: > > I've been observing our production system memcache stats today and noticed > that the oldest object in the cache is only 7 minutes old. On our test > system, running the same code, the oldest object is over 4 hours old. On > our production system, I saw today at least 3 times where the oldest aged > object would get up to as high as 33 minutes but then fall back to 1 minute > or so. We are using Objectify to set the cache expiration time for our > entity objects. These times range from 10 minutes to 2 hours. > > Are there any known conditions where memcache is cleared due to errors or > quotas? (or something else?). Has anyone else seen this behavior? > > Thanks, > Tom > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine/-/KhBb1Z-xPSAJ. To post to this group, send email to google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.