Hi Brandon, Memcache quota is definitely not limited at 10MB per app. The space available to a given app will vary based on a number of factors, including its traffic.
-Nick Johnson On Fri, Sep 18, 2009 at 3:05 PM, Brandon Thomson <gra...@gmail.com> wrote: > > I wrote an app to test this; it looks like there is currently a per- > app hard limit of ~10mb in the entire cache (that's compressed data; > not text) and maybe a ~22k hard key/value limit as well. These may > even be burst limits, because a few minutes later I can only squeeze > 8.9mb into the cache and that number has been gradually falling from > 10. > > Hopefully in the future we can buy our memcache quota. I really like > the idea of using memcache for non-critical deferred writes as > discussed in Google IO, but nervous about building an app around this > usage pattern when the behavior of the cache is so unspecified. > > On Aug 26, 2:43 pm, Devel63 <danstic...@gmail.com> wrote: > > Can someone from Google comment on this? This seems pretty > > important... > > > > You don't have to give a hard number, but 8K items isn't much, and > > could cause some re-architecting to be needed. > > > > On Aug 25, 6:13 am, Colin <aliq...@gmail.com> wrote: > > > > > Mymemcachestats, expire time is 48h, non of the itemd are older than > > > 5h, but often items that should be in the cache aren't there: > > > - items: 8423 > > > - bytes: 10655912 > > > > > I (wrongly) assumed that i hit the size limit once i had 25mb of data > > > inmemcache, i optimized (compressed and pickled data before putting > > > it in the cache) and now i hit the limit at roughly 10mb :/ > > > Thus my conclusion: there is an item limit at about 8k. > > > > > On 13 aug, 17:11, ted stockwell <emorn...@gmail.com> wrote: > > > > > > Hi Jeff, > > > > > > A question.... > > > > Can I assume that thememcachesize limit will increase as the number > > > > of servers running my application increases? > > > > > > On Aug 10, 5:53 pm, "Jeff S (Google)" <j...@google.com> wrote: > > > > > > > The overallmemcachesize limit is not set in stone so we usually > don't give > > > > > a hard number as whatever I say might soon be out of date. I > recommend using > > > > > as you need it because if your app goes over it's allotment, then > the > > > > > less-used data is evicted. > > > -- Nick Johnson, Developer Programs Engineer, App Engine Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration Number: 368047 --~--~---------~--~----~------------~-------~--~----~ 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 google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
