this seems amazing, I'm just starting to understand its full extents.

By the way, I'm studying the integration of two boards. They are on separate webservers and I plan to have independents database servers for each of them. It seems this mod can help me combine both webservers so both boards can use one logical webserver which is the load balancing between the current ones, but won't help me integrate users and passwords since DBs will still be on separate machines, am I right?

Yes, that is correct. This will really do nothing as far as integration goes.

So if 2 forums have the same products that required uploads, it's best to include those files?

Yes, you can add them.

When referring to Windows, are we referring to Windows running IIS or Apache (or is it not relevant)? If Apache, would using the alias command work?

Alias "/site1/forums" "C:/htdocs/forums"
Alias "/site2/forums" "C:/htdocs/forums"
Alias "/site3/forums" "C:/htdocs/forums"

Has anyone tried NtFS link? http://sourceforge.net/project/platf...roup_id=161885

linkd? http://support.microsoft.com/kb/205524

NTFS Link creates hardlinks and junctions and linkd creates junctions. Both of these have been confirmed to not work. Well, they work but they are cached as if they were separate files.

Yeah, I doubt there is a Windows solution that will offer any cache relief. Of course, you could always go Linux, but who wants to start that discussion!

This might actually be a bug in the caching code that is not recoginzing Windows hardlinks/junctions in the same way it recognizes Linux symlinks. Since I use linux, I won't be pursuing this, but for those who have Windows servers, it might be worthwhile to submit this as a bug/feature request to APC/Xcache or whatever you're using.

If it happens with the big three opcode cache methods, I would then think it was something native with Windows. I dunno, not a .dll head here.. :)

Just wondering, are users/members of each forum independent? Or are they linked?