Proto-buffers are mostly fast, but not always. And they are typically larger, I think more info about the objects are stored.
> -----Original Message----- > From: google-appengine@googlegroups.com [mailto:google- > appeng...@googlegroups.com] On Behalf Of Jeff Schnitzer > Sent: Wednesday, September 05, 2012 10:27 AM > To: google-appengine@googlegroups.com > Subject: Re: [google-appengine] Speeding up memcache by 3x for datastore > entities > > Have you compared this against the performance of ndb's integrated > caching? I believe it uses protocol buffers. > > Also, getting entity cache behavior right - so that contention doesn't throw > the cache out of sync - is very hard. > > Jeff > > On Wed, Sep 5, 2012 at 9:32 AM, Drake <drak...@digerat.com> wrote: > > Yes, this has been discussed before. We use marshal for a lot of our > > stuff, but it isn't always faster. It depends on how large the objects > > are and the types. > > > > > > > > The size difference is interesting, as we rarely see that. > > > > > > > > You should also benchmark against JSON which is often faster than > > Marshall, and often smaller. > > > > > > > > Lastly you should bench each with Zip compression. The size of the > > object does matter, and at different compression levels you get > > different performance curves. > > > > > > > > > > > > From: google-appengine@googlegroups.com > > [mailto:google-appengine@googlegroups.com] On Behalf Of Andrin von > > Rechenberg > > Sent: Wednesday, September 05, 2012 2:15 AM > > To: google-appengine@googlegroups.com > > Subject: [google-appengine] Speeding up memcache by 3x for datastore > > entities > > > > > > > > There is an amazingly simple trick how to speed up memcache by 3x for > > datastore models > > > > and entities use only half the size in memcache, see my blogpost: > > > > > > > > http://devblog.miumeet.com/2012/09/speeding-up-memcache-by-3x- > for.html > > > > > > > > Cheers, > > > > -Andrin > > > > -- > > 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. > > > > -- > > 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. > > -- > 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. -- 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.
