Hello, 
Recently, I had a request that took 40 mn to complete.  It was an ordinary 
http request, just with parameters that made it very long to process.  This 
hogged the instance and caused high latency for the whole time.
Obviously, we need to work on checking the request's parameters so that we 
can identify very early that this request will be too long and reject it.
However, this raises 2 questions:
1) I thought maximum response time for an http request was 1 mn, so I would 
have expected the request to be aborted somehow.   Maybe it was aborted for 
the client, but the processing did continue for 40 mn, and the request 
appears in the log not as an error, but as successfully processed in 40 
minutes.
2) In response, the load balancing did spawn more instances, as would be 
expected, but strangely the latency seemed to be affected on all 
instances.   Can this be real, or is it just a coincidence ?

Thank you for your thoughts and expertise.   Patrice.

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  • [google-appengine... Patrice B

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