I've got two apps (everdynamicsite and domoroi) which have *exacly same code 
*base and similar datastore content.

everdynamicsite site is very very slow starting from last night
domoroi is as quick as usual

I enabled appstats, that shows great gaps beween datastore operations like 
below:

 @110ms *datastore_v3.Get* real=58ms api=66ms @2708ms *memcache.Get* real=15ms 
api=0ms

But I'm not sure that these are cause for problems because for other 
requests appstats' Grand Total shows 88ms, but response times are still 
very-very slow! Does it mean some sort of environmental issue at GAE side? 
I'm confident that this issue is not with my local setup as other people get 
similar results at other locations.

To me it looks like the request is hanged somewhere before it reaches 
everdynamicsite, as the request processing time (based on log records) is 
less than a second!

Even /appstats/details?time=1298213007287 requests take tens of seconds 
before response is received

Now few times in a row I get this message in the log file:

A serious problem was encountered with the process that handled this request, 
causing it to exit. This is likely to cause a new process to be used for the 
next request to your application. If you see this message frequently, you 
should contact the App Engine team. (Error code 203)


That looks really weird. What could be done to solve the problem?

Anatoliy


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