The limit depends on a number of factors, and isn't fixed. You shouldn't rely on your app having a specific amount of memcache space available - treat it like a cache, and expect that data may disappear from it without notice.
-Nick Johnson On Thu, Mar 31, 2011 at 4:21 PM, Nischal Shetty <[email protected]>wrote: > @Nick > > Can you disclose what the limit is? And if there's a way it can be > increased? > > -N > > > On 31 March 2011 09:10, Nick Johnson (Google) <[email protected]>wrote: > >> On Thu, Mar 31, 2011 at 1:34 PM, Nischal Shetty < >> [email protected]> wrote: >> >>> @Nick >>> >>> I completely agree with you but I saw an elevated rate in the logs today >>> which does not normally happen. Want to confirm if there's actually >>> something like a memcache limit imposed on apps. I know there's a per object >>> size limit but is there a limit on the total data that can be cached by an >>> app running on GAE? >>> >> >> Yes. >> >> -Nick Johnson >> >> >>> >>> -N >>> >>> >>> On 31 March 2011 07:44, Nick Johnson (Google) >>> <[email protected]>wrote: >>> >>>> Hi, >>>> >>>> Memcache, as the name implies, is a cache. You can't rely on data >>>> existing in memcache, as it may be evicted at any time. >>>> >>>> -Nick Johnson >>>> >>>> >>>> On Thu, Mar 31, 2011 at 12:13 PM, nischalshetty < >>>> [email protected]> wrote: >>>> >>>>> Calls to retrieve objects stored in the memcache are returning null. My >>>>> app uses a lot of memcache and I had read some time back that there is a >>>>> certain limit on the amount of data that can be cached overall by an app. >>>>> Can someone from the appengine team look into this? >>>>> >>>>> -- >>>>> 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. >>>>> >>>> >>>> >>>> >>>> -- >>>> Nick Johnson, Developer Programs Engineer, App Engine >>>> >>>> >>>> >>> >>> >>> -- >>> -Nischal >>> +91-9920240474 >>> twitter: NischalShetty <http://twitter.com/nischalshetty> >>> facebook: Nischal <http://facebook.com/nischal> >>> >>> <http://www.justunfollow.com> >>> >>> >>> >> >> >> -- >> Nick Johnson, Developer Programs Engineer, App Engine >> >> >> -- >> 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. >> > > > > -- > -Nischal > +91-9920240474 > twitter: NischalShetty <http://twitter.com/nischalshetty> > facebook: Nischal <http://facebook.com/nischal> > > <http://www.justunfollow.com> > > > -- > 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. > -- Nick Johnson, Developer Programs Engineer, App Engine -- 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.
