[K12OSN] Client RAM question

[Julius Szelagiewicz]

On Mon, 29 Mar 2004, Les Mikesell wrote:

> On Mon, 2004-03-29 at 15:12, Julius Szelagiewicz wrote:
> > >
> > Les,
> > 	my actual experience with bigmem kernels was very, very sobering.
> > The systems run slowly and erratically at best and were crashing at worst.
> > When i try to remember the tricks i was employing in the far away years of
> > the previous century to get my little Datapoint to access more than 64K
> > memory, i can see why it is a good idea to just have the wider data path
> > julius
> >
>
> That must be ancient history or something specifically to do with
> k12ltsp apps.  I have several dual-xeons with 6 Gigs RAM running RH9
> bigmem as shipped by Penguin and they have run for months without
> problems and I run a mix of bigmem and normal SMP kernels on a set
> of 4GB machines and could never tell any difference in production
> (also a mix of fedora and RH9).  One of the older ones is
> running 2.4.20-9bigmem and currently has an uptime of 321 days.
> These are running java web services and some homegrown stuff
> dealing with commodities exchange data but from the kernel's
> perspective the applications probably don't matter much.  The kernel
> really doesn't need to access all memory at once since it's job is to
> switch among user tasks.
>
Les,
	you are a very lucky man. Ancient history is here 3-4 months,
problems with both rh8, 9 and fedora on gateway dual xeon mobos. julius