FreeBSD vice OS X memory management

[jb]

Wojciech Puchar <wojtek <at> wojtek.tensor.gdynia.pl> writes:

> 
> >
> > "2) Inactive memory (which is memory that has been recently used but is no
> > longer) is supposed to be seamlessly reclaimed automatically by the OS when
> > needed for new programs. In practice, I?ve found that this isn?t the case,
> > and
> > my system slows to a crawl and starts paging out to disk when free memory 
> > drops
> > to zero, even as half of the available RAM (which is a lot) is marked as
> > inactive. ..."
> >
> > Well, this is not a case of a "BSD is dying" troll (you can safely ignore
> > those).
> >
> yes it is, just search a bit to know what "inactive" memory in FreeBSD is.

His description (the quoted text) is at least of intuitive nature, and in fact
in may be correct as it referrs to OS X MM subsys, which may be based on
least-recently used pageout algorithm (as FreeBSD originally used to be too).

jb