[mod_python] Storing large amounts of data in RAM

I'm working on a web-application port of a text game, and I'm just  
wondering what the best way for me to implement this is.

Game data is stored in a single python object which is pickleable.  
I'm not sure of the exact size of the data in memory, but the pickled  
files are between 600 and 900k uncompressed. I would like to store  
each object in memory rather than saving and loading the object for  
each request. So, what is the best way to do this? I'm pretty sure I  
remember from earlier posts that it's not possible to have memory  
that's shared between multiple interpreters. Is it possible to only  
use one interpreter and keep all of the data objects in that  
interpreter?

Also, other than having a cron job send an HTTP request to the server  
intermittently, is there a way to have data objects save themselves  
to a file if their player hasn't made a request in a certain amount  
of time?

Aaron Gallagher
<habnabit at gmail.com>


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