Re: Fwd: Memory usage under Ubuntu + LTSP 4.1
On Wed, 2005-09-14 at 16:58, Matt Zimmerman wrote:
> On Wed, Sep 14, 2005 at 09:52:38AM +0100, Donovan Baarda wrote:
> > On Tue, 2005-09-13 at 19:39, Knut Yrvin wrote:
> > > An interesting test about memory usage og LTSP from Jonathan Carter:
> >
> > It would be interesting to see the effect of "unifying" the LTSP chroot
> > with the server (hardlinking identical files in the chroot and server).
> > This allows linux to share memory between the server and clients.
> > Provided the server and chroot are running identical distributions, most
> > disk buffering and libraries can be shared. I bet you would see about
> > 30M saving for GDM for example...
>
> This will save disk space and perhaps server I/O, but not memory. The
> clients run programs in the chroot over NFS, on different physical machines,
> and the server doesn't run programs in the chroot at all normally.
Yeah, I forgot that it doesn't run in the chroot... was thinking of
vservers.
However, it does mean much less disk buffers/cache is used, and stuff
read via nfs is more likely to be already buffered in RAM. It should
make startup time faster if nothing else...
--
Donovan Baarda <abo@minkirri.apana.org.au>
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