> our laptops have 1gb of memory and your saying thats fine if 
> it is on a vps as it is only dealing with cf, but seeing as 
> it is our laptops and we are using it for various things then 
> we need to invest in laptops with more ram...

You have two options. You can limit the amount of memory that JRun consumes
to, say, 512 MB, or you can get more RAM. I recommend the latter.

> is what i have explained normal for jrun to behave like this? 
> and is there not a way for us to manage it more effectively? 
> if so can anyone point us to any tutorials or guides to help 
> us understand how we need to manage it better

Yes, that's pretty normal. Application servers tend to be
resource-intensive; they're not designed to coexist with all the other stuff
you run on a personal computer. They tend not to release memory that they've
acquired, since acquiring and releasing memory is expensive, and presumably
they'll need that memory in the future, so why let it go? For a dedicated
application server, there's nothing wrong if it's using all the RAM and CPU
cycles, as long as the applications it host perform well.

Dave Watts, CTO, Fig Leaf Software
http://www.figleaf.com/

Fig Leaf Training: Adobe/Google/Paperthin Certified Partners
http://training.figleaf.com/

WebManiacs 2008: the ultimate conference for CF/Flex/AIR developers!
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