BTW Adam, thanks for the Linode and SOLR references.  Very cool.

On Dec 3, 8:09 am, Adam Sah <[email protected]> wrote:
> I'm a *very* longtime GAE user and former googler and I love it... but
> for now,
>    I usually recommend it as an *ingredient* and not as the backbone
> of the
>    whole system.
>
> Specifically, GAE can't support certain libraries (e.g. anything with
> C/C++),
>    so you inevitably need another service like AWS, linode, etc.  I
> use Linode
>    to run SOLR for us and another PC instance for our offline pipeline
> (maybe
>    move to Tasks???)
>
> GAE makes a nice frontend-- just be prepared for whining about short
> outages,
>    limitations, etc. -- OTOH, I love not carrying a pager, instant
> scaling, etc.
>    I once did 600 QPS on appengine, effortlessly.  I've run $MM
> businesses
>    on appengine, painlessly.
>
> One thing: if you start on GAE you can easily migrate away, but if you
> start
>    elsewhere it's very hard to migrate to GAE.  This argues for giving
> it a shot,
>    then re-evaluating (say) monthly.
>
> For my latest startup, we're based entirely on GAE and it's love-hate,
> but we've
>    stuck with it and the issues haven't been big enough to matter--
> and v1.4
>    (any minute now!!!) should solve 50+% of the hassles.
>
> adam
>
> On Dec 2, 10:03 am, Grzegorz Machniewski
>
>
>
>
>
>
>
> <[email protected]> wrote:
> > > Do you know how Zynga's backend is set up on AWS?  I would imagine it's
>
> > pretty complex so, you have to have the system architects and administrators
> > to manage that.
>
> > Zynga is using RightScale  as a platform management software 
> > (http://www.rightscale.com/)... it automates management and scaling of the
> > application. It's quite impressive solution,
>
> > Regards
> > G.
>
> > On Thu, Dec 2, 2010 at 6:34 PM, Eli Jones <[email protected]> wrote:
> > > Maybe one of the Google developers will see this and can provide you with
> > > an informed answer.. but, if it slips through the cracks, you should
> > > definitely ask during the IRC office hours (or just check #appengine on
> > > irc.freenode.net, since someone from Google may be there at any time.)
>
> > > If your app becomes popular on a Farmville scale, you'd have to be 
> > > prepared
> > > to automatically start-up new instances and balance load across them.  
> > > Which
> > > means you'd need to spend time and energy designing this sort of system up
> > > front.
>
> > > Though, if you just plan on cranking up an Extra Large EC2 Instance and
> > > running off of that (and maybe using SimpleDB on the back end).. and 
> > > dealing
> > > with front end scaling issues later.  You would probably be fine.. most 
> > > apps
> > > do not become popular on the Farmville scale.  SimpleDB will enforce a
> > > little database discipline, and, if you do "blow up", you could probably
> > > figure out how to load balance over multiple static instances until you
> > > cooked up some sort of automated scaling method.  (Again, this depends on
> > > you using SimpleDB on the back-end.)
>
> > > With Appengine, you avoid any sort of systems architecting (just code as
> > > fast as possible).. but you have to spend time coding ways to deal with 
> > > the
> > > 99th percentile outlier Datastore issues.
>
> > > Maybe there are some people here who have user facing apps who can speak
> > > about this from experience (I happily do backend processing where 
> > > retrying a
> > > failed datastore operation or a failed cold start is no problem.. and 
> > > there
> > > is no user on the other side to become frustrated.)
>
> > > On Thu, Dec 2, 2010 at 1:10 AM, Shane <[email protected]> wrote:
>
> > >> I know this has been asked one way or another before, but most of the
> > >> main issues to do with GAE stability seem to have been asked around
> > >> the end of 2008, early 2009.
>
> > >> Basically, I have been arguing back and forth with my business partner
> > >> about whether to use GAE or AWS for the back-end of our social game
> > >> engine.  I love GAE (Java) for so many reasons, and although it used
> > >> to be unstable, it's pretty good now.  The main argument in favour of
> > >> AWS is the fact that AWS has proven itself with multiple games running
> > >> tens of millions of active users per day.  The obvious pin-up child
> > >> for AWS is Zynga, with its Farmville peaking at 80+million DAU.  And
> > >> that's just one of the hugely successful games running on the AWS
> > >> infrastructure.  Remarkable achievement.
>
> > >> So, one way or another it's KNOWN to work.  GAE on the other hand
> > >> doesn't have any examples that I could find doing these sorts of
> > >> numbers.  Not even close.  So can I trust it?  Is there a single
> > >> example of a large social game with millions of Daily Active Users,
> > >> using GAE?
>
> > >> I look forward to your thoughts, but please also note, this is not
> > >> intended to start any sort of flame war.  I love both systems, but
> > >> both have their positives and negatives, but I'm about to make an
> > >> architectural decision that likely won't be undone moving forward.
>
> > >> Regards,
> > >> Shane
>
> > >> --
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>
> > >  --
> > > You received this message because you are subscribed to the Google Groups
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> > > To unsubscribe from this group, send email to
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> > > For more options, visit this group at
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>
> > --
> > Grzegorz Machniewski

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