[c-nsp] BGP Memory Usage

[Jee Kay]

I'm looking for some pointers as to how to best evaluate how much
memory my BGP peerings are currently taking and whether or not a
router can support another full view without running into problems.

Specifically, I have a 3725 with 256MB memory. I take one full view,
which appears to be using 99MB:

#sh proc mem | inc BGP
 141   0  741656732  246114228   99064060          0          0 BGP Router

>From what I can gather, I have 50MB or so free - but my understanding
is that 2xfull views doesn't take double the memory of 1xfull view,
that it depends more on how many unique routes end up in the FIB?

#sh mem free
                Head    Total(b)     Used(b)     Free(b)   Lowest(b)  Largest(b)
Processor   637355E0   201227520   151717308    49510212    47765744    47066824
      I/O    F700000     9437184     4096760     5340424     5196296     5315968


Are there any other commands / components I should look at to
determine whether this box can handle another full view? (the CPU is
virtually idle.) What are peoples feelings regarding taking two full
views to a 256MB router?

Thanks in advance and apologies if I'm asking stupid questions...
google and cisco.com didn't seem to be very helpful on this subject :)

Ras