I am paying for 3 reserved server instances and have a Spring based
web app that isn’t doing anything fancy, initializing about 15 beans
at startup.  My logs show that the app can be initialized in less than
3 seconds and consumes around 4 seconds of cpu time on successful warm
ups.

However the warm up can take much longer.  Particularly over the last
3 days I’ve noticed that roughly 1/3 of the time the warm up fails
with a DeadlineExceeededException sometime after 30 seconds.  I was
also surprised to find that sometimes the warmup was successful, but
took around 40 seconds. (I thought GAE would always timeout the
request after 30 seconds.)

I’m curious if anyone else is experiencing this and if the GAE team
has an explanation for this behavior.

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