excellent job of explaining how much RAM can be allocated for a given
process on Mac OS X, Windows, and Linux. As such, it would appear some
of the earlier numbers mentioned in regard to Windows aren't
practically correct.
For those that don't want to read the two page article that mostly
covers Mac OS X, I'll quote one of the more useful paragraphs.
"However, as far as 32-bit OSes go, Mac OS X is actually somewhat ahead
in the memory game. The virtual address space available to an
application is close to 4GB, which is more than the 2GB Windows
provides and the 3GB Linux provides. And the Mac's contiguous address
space of 2.25GB exceeds the 1.5-1.7GB on Windows and the 2GB for Linux.
Furthermore, Apple will not require you to shell out big money for some
"Advanced Server" version of its OS if you want to install more than
4GB of physical memory in your machine, which is what Microsoft and Red
Hat want you to do."
-Matt
On May 12, 2004, at 5:37 PM, Dick Applebaum wrote:
> According to this article it is an OS X limitation, not a G5/G4
> limitation
>
> http://www.osnews.com/story.php?news_id=4009
>
> Dick
>
> On May 12, 2004, at 12:58 PM, Matt Liotta wrote:
>
> > I don't believe that is true with the G5; only the G4.
> >
> >��-Matt
> >
> >��On May 12, 2004, at 3:45 PM, Dick Applebaum wrote:
> >
> >��> I found an answer at:
> >��>
> >��>��http://developer.apple.com/documentation/Performance/Conceptual/
> >��>��ManagingMemory/Concepts/AboutMemory.html
> >��>
> >��>��The OS X limit is 4 Gig RAM per process.
> >��>
> >��>��Jobs is supposed to preview Tiger (the next OS X) at Apple's
> WDDC
> >��> dev��
> >��>��conference at the end of June -- Haven't heard any rumors --
> moping
> >��> for��
> >��>��more RAM support & DB-based file system.
> >��>
> >��>��Dick
> >��>
> >��>��On May 12, 2004, at 11:24 AM, Ben Doom wrote:
> >��>
> >��>��> OS X and OS X Server support up to 8GB, so putting more in
> > wouldn't
> >��>��>��really help.
> >��>��>
> >��>��>��AFAIK, other than the 8GB limit, there's nothing inherent
> about
> > OS
> >��> X��
> >��>��> (or
> >��>��>��the BSD core for that matter) that would prevent a given app
> > from��
> >��>��> using
> >��>��>��as much of that as it wanted.
> >��>��>
> >��>��>��Technically, you could run MS-SQL Server on the Mac, but
> since
> > it��
> >��>��> would
> >��>��>��be running in Windows in an emulator, it really wouldn't do
> you
> > any
> >��>��>��good.��:-)
> >��>��>
> >��>��>��--Ben Doom
> >��>��>
> >��>��>��Matt Liotta wrote:
> >��>��>
> >��>��>��> You'd have to check with Apple on that. XServe G5s have 8
> > DIMM��
> >��>��> slots,
> >��>��>��> so physically it can have more than 8GB of RAM.
> >��>��>��>
> >��>��>��> -Matt
> >��>��>��>
> >��>��>��> On May 12, 2004, at 12:34 PM, Dick Applebaum wrote:
> >��>��>��>
> >��>��>��>��> Just out of curiosity --
> >��>��>��>��>
> >��>��>��>��>��The Mac XServe G% is 64 bit and can have 8 Gig RAM.
> >��>��>��>��>
> >��>��>��>��>��Is there anything in OS X that limits the RAM use?
> >��>��>��>��>
> >��>��>��>��>��Of course, you can't run SQL-Server on a MAc, but you
> can
> > nun
> >��>��>��>��>��Sybase_ASE, Oracle 9i. PostgreSQL, MySQL and others.
> >��>��>��>��>
> >��>��>��>��>��TIA
> >��>��>��>��>
> >��>��>��>��>��Dick
> >��>��>
> >��>
> >
>
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