Re: Volunteer to build a configuration tool

[Dave Page <dpage(at)postgresql(dot)org>]

Tom Lane wrote:
> There's another reason for not setting shared_buffers huge, beyond the
> good ones Greg listed: the kernel may or may not consider a large
> shared-memory segment as potentially swappable.  

Another is that on Windows, shared memory access is more expensive and 
various people have noted that the smallest value for shared_buffers you 
can get away with can yield better performance as it leaves more free 
for the kernel to use, more efficiently.

Regards, Dave.