I don't now for sure, data is send in packages, the get message must
be completed read before the answer can send. Google has loads of
multiplexers and message handlers, some messages are handled as close
as possible to your location (static files), datastore actions in
north america, some endup dead (connection for example thru the ocean
fails shortly), what if something seams to send ok but some packages
are timedout?
Thats why i'm trying to keep the get/post messages as short as
possible and test (working on that) if the answer has arrived.
As far as i now this is inherit to distributed computing/programming.
You can't without it to get the best results as possible (the last 1%
is the difficults and without appengine very expensive).
But ofcourse this takes loads of testing and beginning at the start
again and again and learning, so sometimes (deadlines?) there are
frustrated mails is i think part off the game.
This is what i'm trying to optimize.
gr
wim


2010/11/22 Jaroslav Záruba <[email protected]>:
> if I had troubled internet connection I wouldn't be getting 500 error _from
> Google servers_ :)
>
> On Mon, Nov 22, 2010 at 6:41 PM, Wim den Ouden <[email protected]> wrote:
>>
>> This is my demo site http://e-comm.appspot.com (so you can see its
>> online and running)
>> Internet connections are by nature very onstable, per country it also
>> divers.
>> gr
>> wim
>>
>> On Mon, Nov 22, 2010 at 5:35 PM, Wim den Ouden <[email protected]>
>> wrote:
>> > Maybe the internet connection?
>> > no errors here
>> > gr
>> > wim
>> >
>> > 2010/11/22 Jaroslav Záruba <[email protected]>:
>> >> I'm still getting the 500 Server Error when trying to access console
>> >>
>> >> 2010/11/22 Viðar Svansson <[email protected]>
>> >>>
>> >>> I couldn't access the admin console, but it is back up now.
>> >>>
>> >>> Cheers,
>> >>> Viðar
>> >>>
>> >>> On Mon, Nov 22, 2010 at 4:06 PM, Wim den Ouden <[email protected]>
>> >>> wrote:
>> >>> > Down????
>> >>> > Its very fast now.
>> >>> > Are we talking about a different google app engine??
>> >>> > gr
>> >>> > wim (the Netherlands)
>> >>> >
>> >>> > 2010/11/22 Viðar Svansson <[email protected]>:
>> >>> >> It is hard to defend app engine as it is down at the moment.
>> >>> >>
>> >>> >> Viðar
>> >>> >>
>> >>> >> On Mon, Nov 22, 2010 at 3:26 PM, Wim den Ouden
>> >>> >> <[email protected]>
>> >>> >> wrote:
>> >>> >>> Hello Uberto,
>> >>> >>> Some of my experience till now.
>> >>> >>> http://code.google.com/p/relat/wiki/gaetips
>> >>> >>> Open real life example.
>> >>> >>> https://e-comm.appspot.com/
>> >>> >>> gr
>> >>> >>> wim
>> >>> >>>
>> >>> >>> On Mon, Nov 22, 2010 at 4:03 PM, Uberto Barbini
>> >>> >>> <[email protected]>
>> >>> >>> wrote:
>> >>> >>>>>> I can post post logs, but really who cares? 10 sec. /1 min. /10
>> >>> >>>>>> min.
>> >>> >>>>>> We don't have any control, we don't know which level of service
>> >>> >>>>>> our
>> >>> >>>>>> application will have. We started one year ago thinking that
>> >>> >>>>>> GAE
>> >>> >>>>>> was
>> >>> >>>>>> only very young but things are going worse and worse.
>> >>> >>>>>>
>> >>> >>>>> disagree strongly, I think it is getting better.
>> >>> >>>>
>> >>> >>>> we started to have problems since this summer. Before that we
>> >>> >>>> didn't
>> >>> >>>> notice, maybe we were still too small app.
>> >>> >>>> In August was still ok, in September and October was a
>> >>> >>>> disaster...
>> >>> >>>> lately it's better.
>> >>> >>>> This is our skin-feeling, nothing pr
>> >>> >>>>
>> >>> >>>>> Well just one of my projects has 18K LOC, + 4.5K LOC in
>> >>> >>>>> templates.
>> >>> >>>>>  60+
>> >>> >>>>> % of the code is generated directly
>> >>> >>>>> from UML, and I have over 800 current users. Currently about
>> >>> >>>>> 100,000
>> >>> >>>>> entities in the datastore and growing about 5K a week, with
>> >>> >>>>> the current user base. We expect to be at around 5000 users
>> >>> >>>>> within 6
>> >>> >>>>> months.
>> >>> >>>>>
>> >>> >>>>> I would like to think my application is professional as well.
>> >>> >>>>>  One
>> >>> >>>>> of
>> >>> >>>>> our other applications gets around 7000 unique visitors a day
>> >>> >>>>
>> >>> >>>> can you share some links to your application if this is not a
>> >>> >>>> problem?
>> >>> >>>> Just to figure out how to improve ours.
>> >>> >>>>
>> >>> >>>>> I just don't share your experience.  We have had problems but
>> >>> >>>>> nothing
>> >>> >>>>> like what you are experiencing.
>> >>> >>>>
>> >>> >>>> thank you for sharing your experience. I'm very happy to hear
>> >>> >>>> this.
>> >>> >>>> Moving away from gae it would mean lot of work, for sure we hope
>> >>> >>>> for
>> >>> >>>> Google to fix it.
>> >>> >>>> I'm perfectly ok for the free version of GAE to have such
>> >>> >>>> limitations,
>> >>> >>>> but we cannot make a business with several hours of outage every
>> >>> >>>> month.
>> >>> >>>>
>> >>> >>>>> However, I am using python.  I have been using appengine for
>> >>> >>>>> over 2
>> >>> >>>>> years (my first appengine project went live in Aug 2008)
>> >>> >>>>
>> >>> >>>> I hope it's not Java fault, the blogger is using python too
>> >>> >>>> anyway.
>> >>> >>>>
>> >>> >>>>
>> >>> >>>> cheers
>> >>> >>>>
>> >>> >>>> Uberto
>> >>> >>>>
>> >>> >>>> --
>> >>> >>>> 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.
>> >>> >>>>
>> >>> >>>>
>> >>> >>>
>> >>> >>>
>> >>> >>>
>> >>> >>> --
>> >>> >>> gr
>> >>> >>> wdo
>> >>> >>>
>> >>> >>> Demo free E-business: https://e-comm.appspot.com
>> >>> >>> Gae developer tips http://code.google.com/p/relat/wiki/gaetips
>> >>> >>> Wim den Ouden Google app engine based (web) apps
>> >>> >>>
>> >>> >>> --
>> >>> >>> 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.
>> >>> >>>
>> >>> >>>
>> >>> >>
>> >>> >> --
>> >>> >> 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.
>> >>> >>
>> >>> >>
>> >>> >
>> >>> >
>> >>> >
>> >>> > --
>> >>> > gr
>> >>> > wdo
>> >>> >
>> >>> > Demo free E-business: https://e-comm.appspot.com
>> >>> > Gae developer tips http://code.google.com/p/relat/wiki/gaetips
>> >>> > Wim den Ouden Google app engine based (web) apps
>> >>> >
>> >>> > --
>> >>> > 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.
>> >>> >
>> >>> >
>> >>>
>> >>> --
>> >>> 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
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>> >>> For more options, visit this group at
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>> >>>
>> >>
>> >> --
>> >> 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
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>> >> For more options, visit this group at
>> >> http://groups.google.com/group/google-appengine?hl=en.
>> >>
>> >
>> >
>> >
>> > --
>> > gr
>> > wdo
>> >
>> > Demo free E-business: https://e-comm.appspot.com
>> > Gae developer tips http://code.google.com/p/relat/wiki/gaetips
>> > Wim den Ouden Google app engine based (web) apps
>> >
>>
>>
>>
>> --
>> gr
>> wdo
>>
>> Demo free E-business: https://e-comm.appspot.com
>> Gae developer tips http://code.google.com/p/relat/wiki/gaetips
>> Wim den Ouden Google app engine based (web) apps
>>
>> --
>> 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.
>>
>
> --
> 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.
>



-- 
gr
wdo

Demo free E-business: https://e-comm.appspot.com
Gae developer tips http://code.google.com/p/relat/wiki/gaetips
Wim den Ouden Google app engine based (web) apps

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