No solution or nothing learned yet.  After my initial post it seems
like things have gotten better.

I'm an avid Spring fan, but wouldn't think to use it on GAEJ b/c it's
too heavy weight for GAEJ.  If you must use Spring then consider other
cloud solutions like AWS Beanstalk.

-brian



On Mar 7, 5:30 pm, Galoch <[email protected]> wrote:
> Did you find any solution?
>
> I am seeing the exact behavior ... but instead of 3AlwaysOn
> instances I only have 2AlwaysOn instances and 1 dynamic instance.
>
> Interestingly, I am seeing my tasks executing on dynamic instance that
> results in a loading request.
>
> I use Spring framework and it is very expensive on loading
> requests ... so some of them end up in Hard deadline exceeded error.
>
> Right now there is very little traffic on my site and I am wondering
> why there is Dynamic instance at all?
>
> I am desperately seeking a solution
>
> Thanks
> galoch
>
> On Jan 17, 8:58 pm, brianl <[email protected]> wrote:
>
>
>
>
>
>
>
> > Doesn't that then beg the question of how many requests one 'Always
> > On' instance could handle and what's the typical performance of an
> > instance in terms of CPU, network requests, etc?
>
> > With 8 instances I would guess there's some distributed caching
> > overhead that may be unwanted or undesirable if the app doesn't have
> > lots of traffic.
>
> > -brian
>
> > On Jan 17, 8:42 pm, Robert Kluin <[email protected]> wrote:
>
> > > Out of curiosity, why?  Generally speaking, the more instances your
> > > app has the more likely it is that a new request will be serviced
> > > quickly.  You are not charged for the additional instances, unless
> > > they are doing something (in which case you probably needed them
> > > anyway).
>
> > > Robert
>
> > > On Mon, Jan 17, 2011 at 22:35, brianl <[email protected]> wrote:
> > > > Just checked my Instances allocations...  Seeing the 3 'AlwaysOn'
> > > > instances and 5 Dynamic instances.  The 5 Dynamic instances seems
> > > > unusually high.  So guess I have 8 instances total.  There's very
> > > > little traffic to the app to cause so many instances to be running.
> > > > I'd like to be just running the 3 'AlwaysOn' instances and no Dynamic
> > > > instances, is this possible?  If so where's the setting to have NO
> > > > Dynamic instances running when 'AlwaysOn' is enabled?
>
> > > > On Jan 17, 1:41 pm, "Brandon Wirtz" <[email protected]> wrote:
> > > >>Alwayson helps if you only need 3 instances to keep things running.  If
> > > >> your app requires 4 instances be running all the time you won't see any
> > > >> benefit.  If on the other hand you serve one request an hour, you'd 
> > > >> see a
> > > >> lot of benefit on that one request.
>
> > > >> Without knowing what you are doing, or why you are doing it we can't 
> > > >> help
> > > >> you diagnose if what you are doing is sane and rational, or if it is
> > > >> something in your design that is causing the issue.
>
> > > >> From: [email protected]
> > > >> [mailto:[email protected]] On Behalf Of brianl
> > > >> Sent: Monday, January 17, 2011 11:53 AM
> > > >> To: [email protected]
> > > >> Subject: [google-appengine]AlwaysOn - Amount of Loading Requests the 
> > > >> same
>
> > > >> According to the docs the 'AlwaysOn' feature mitigates the impact of
> > > >> loading requests.  I've been running w/ the 'AlwaysOn' feature for 
> > > >> several
> > > >> days.  I thought I'd see far fewer loading requests, but it appears to 
> > > >> be
> > > >> the same as before.  There are still cases where I'll see loading 
> > > >> requests
> > > >> just a few minutes apart.  Most times I see loading requests occur 
> > > >> about
> > > >> 50~60 minutes apart.  So far I'm not seeing the benefit of the 
> > > >> 'AlwaysOn'
> > > >> feature.  It appears to be a waste of money.
>
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