[Spambayes] locking pickle/dbm against concurrent access?
skip at pobox.com
Mon Jan 20 18:34:52 EST 2003
>>>> Skip Montanaro wrote
>> Depending how your training works you might wind up copying a 20+MB
>> file for each message.
Anthony> Copying? When? You'd write out the new pickles, sure, but you
Anthony> have to do that, anyway.
How do you get the temp file from the real file without copying it? If I
understand the way things work, you'd do something like
* copy real to temp
* train on new messages
* update temp
* move temp back to real (the atomic part we all want)
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