I have also seen lately where the instance scheduler appears to be 
aggressively shutting down instances for my python app.  It was pretty bad 
on 9/18 - then got better - but today it is back.  

Looking at my logs, during non-peak times when the app may have a 10 second 
gap between requests, the scheduler was shutting down that instance causing 
the next request to start a new instance.  Before, the instance would stick 
around and be available to handle the next request.  On 9/18 I didn't see 
any instances running for more than two minutes, even with requests coming 
in every few seconds. 

Although, as I am writing this, looks like things are starting to improve 
again.  No instance shutdown for 30 minutes now.  Google engineers are 
probably making some adjustments getting ready for the next release.

Jeff


On Thursday, September 19, 2013 9:42:25 PM UTC-5, Cesium wrote:
>
> Lots of warmups started for me about 5 days ago.
>
> It settled down for a day.
>
> Now it's gone pear shaped again.
>
> David
>
>

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