Hi,

Something happened to my paid Go application about 3-4 days ago. I didn't 
change code recently and it was working nicely/stable earlier. Now, 
instance lifetime is showrt and latencies sky-rocketed even for the 
simplest handler returning fixed text. All I see in the logs for such 
requests is message:

*  Process terminated because the request deadline was exceeded. (Error 
code 123)*

and there are no my log messages so I think execution didn't event start.

Check the screenshots from the Dashboard bellow showing latencies and 
instance activity. For some reason AppEngine shows an instance as "active" 
while handlers are not really CPU busy - the service mostly talks to remote 
web services. (The remote service is not an issue as tasks eventually 
complete successfully (and quickly) on retry.) When working normally, 
latency was about one second but now requests times out (tasks after 10 
minutes)!

Any ideas? I'd appreciate if someone from Google could check what's going 
(my app id is bugsio-atlas-addons).

Thanks,
Radomir

<https://lh3.googleusercontent.com/-abXC4RUY6Sg/VED-Tozg5NI/AAAAAAAAA7k/jcTEMa1PyyY/s1600/latency2.png>
<https://lh3.googleusercontent.com/-60o0SXCdYlw/VED-Jn8I26I/AAAAAAAAA7c/DZ-xwRA5nNw/s1600/latency.png>


<https://lh3.googleusercontent.com/-d58gKQwd4as/VED-fjJUOAI/AAAAAAAAA7s/x69vENdAtxk/s1600/instances-activity.png>







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