Hi Brandon,

Thanx for chiming in.

Min latency is set to 10 and max to auto.  Should I change something ?

BTW do you know if PageSpeed can be used as some kind of CDN to offload 
some traffic from my instances ?

It doesn't seem so as most requests are logged twice when PS is actived, 
one for the PageSpeed client and one for the final client.  If your code is 
already optimized it seems pretty useless then.

Thanx for helping.

François



On Tuesday, November 27, 2012 6:38:20 PM UTC+1, Brandon Wirtz wrote:
>
> Apps serve only 8 requests concurrently. If you have your min/max pending 
> latency set wrong you may have a scenario where the 12-16 requests that a 
> browser will make at a time pushes you to 2 instances with 1 idle.
>
>  
>
>  
>
> *From:* [email protected] <javascript:> [mailto:
> [email protected] <javascript:>] *On Behalf Of *Francois 
> Masurel
> *Sent:* Tuesday, November 27, 2012 3:51 AM
> *To:* [email protected] <javascript:>
> *Subject:* [google-appengine] Re: GAE keeps starting new instances 
> causing lots of user facing loading requests
>
>  
>
> Could frequent instance loadings be related to the use of multiple custom 
> domains on the same app ?  Looks like it the case for my app : vncts1
>
>  
>
> And why GAE seems to send all traffic to the new fresh instance instead of 
> using the other already loaded instances ?
>
>  
>
> This is pretty annoying as we use lazy loading a lot and new instances 
> take some time to get fully initialized.
>
>  
>
> How come GAE needs 3 instances to display a simple home page with few 
> javascripts and CSS ?
>
>  
>
> There is really something wrong with the GAE instance scheduler.
>
>  
>
> What should I say to my customers about that ?  I feel really desperate 
> about this.
>
>  
>
> Will it improve sometimes in the future ?  or is it normal behavior for 
> GAE and will never be fixed ?
>
>  
>
> Will I have to pay 600$ to get an answer ?
>
>  
>
> Thanx for your help.
>
>  
>
> François
>
>  
>
>  
>
>  
>
>
> On Saturday, November 17, 2012 4:21:28 PM UTC+1, Francois Masurel wrote:
>
> I've notice lots of user facing loading requests since a few hours (days?).
>
>  
>
> Just check the screenshot below.  Two new instances have been started to 
> serve only 13 (12 + 1) requests though another instance was already running 
> and available and obviously was not overloaded as it had only served 105 
> requests during the last hour :
>
>  
>
> [image: Image removed by 
> sender.]<https://lh4.googleusercontent.com/-UxI0M8fnvw0/UKep9Wkb_VI/AAAAAAAAwN0/wxKaPhZvXlI/s1600/Instances+-+VinoCities+-+Google+Chrome.jpg>
>
> My application instance settings are all set to automatic and pending 
> latency set to 10s :
>
> [image: Image removed by 
> sender.]<https://lh4.googleusercontent.com/-TxgVTyTvqJM/UKeqaNNQvBI/AAAAAAAAwN8/fKUP3ftluk8/s1600/Application+Settings+-+VinoCities+-+Google+Chrome.jpg>
>
> Did something change on GAE side recently ?
>
> These user facing loading requests are really killing my business as my 
> users are getting really upset about it.
>
> Thanx for your help.
>
> François
>
> App Id = vncts1
>
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