Size in bytes of a dictionary

[Xavier Defrang]

Dear Pythoneers,

I haven't been able to find a way to get the total size in bytes of a
dictionary object.  I'm writing an application that deals with a large
hashtable (a string-string mapping) and I'd like to be able to monitor its
size in memory.  Is there any heuristic formula I may use depending on the
number of keys and the way the interpreters allocates memory for the data
structure?

Regards,

Xavier Defrang
Perceval R&D Team
xavier at perceval.net

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