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Okay, just for the heck of it I decided to write a socket server in c# complete with protocol handlers for a lot of well known protocols. I noticed that it was taking 15MB just running the server, with no connections. Each connections would grow that by about 1k. I know there are a lot of linux enthusiasts out there and I was wonder if MONO is as much a memory hog as .Net and whether this is even a worthwhile venture.

I use mono pretty extensively at work, and I have never had any memory problems with it. It is of course more of a memory hog than C, but it's not any worse than Java. (This is for large programs - it may have some significant overhead for small programs, e.g. under a few 10s of Mb, I'm not sure I would have noticed that).

> I noticed that it was taking 15MB just running the
> server, with no connections. Each connections would grow
> that by about 1k

So if you had say 1000 users connected you'd be using a whole extra meg? This doesn't strike me as an issue. Mind you, my mud eats up 200 megs at boot-up. You know what they say, don't optimize too early, especially when memory prices are going to come down. FWIW it's running on a 64 bit machine with 4 gigs of memory... it's hardly a bite :) In case you're wondering WHY it eats so much memory, well all areas area pre-loaded into memory via XML descriptions, and the XML descriptions serve as templates for duplicate mobs/objects, and I just keep them in memory, since the kernal does a great job of swapping when and if it needs to.