Subj : large *.can files make things slow
To   : Digital Man
From : MRO
Date : Tue Jan 02 2024 05:30 pm

 Re: large *.can files make things slow
 By: Digital Man to MRO on Tue Jan 02 2024 01:01 pm

> If you have the available RAM, it wouldn't be a bad option to have. In fact,
> when importing QWK packets, the ip.can file *is* cached (since the source IP
> address of each message is compared, and that'd be really slow to re-read
> the file each time) - so there's already some cases where your SBBS instance
> is allocating that much RAM for the ip.can file, but for a shorter period of
> time since that memory is freed after QWK packet import is complete. For a
> server that's listening for incoming TCP/UDP connections, the memory (for
> the ip.can cache) wouldn't be freed until the server was terminated.

well i'm running 32bit windows 10 for this specific bbs, so I can only use 4 gigs of ram.  I'll just go back to blocking certain countries and some bad domains instead of blocking a million ip addresses.
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