Re: Suggested memory size

[Mike Keefe <mkeefe@ucentric.com>]

Steve Lord wrote:

> On Thu, 2002-05-02 at 11:05, Seth Mos wrote:
> > On Thu, 2 May 2002, Mike Keefe wrote:
> >
> > > Hello,
> > >     I noticed that the Technical Specifications for XFS specified
> > >     that at least 64 MB of memory is suggested for a Linux-based
> > >     XFS system.  What I'd like to know is: what is the smallest memory
> > >     configuration that Linux XFS has been installed on and run
> > > successfully ?
> >
> > 12MB
> >
> > >     Do you even see it as being feasible to run on a signle processor
> > > embedded
> > >     system with 16 MB of main memory ?
> >
> > Others already are. Performance won't be stellar but it will do just
> > fine.
>
> There used to be some issues with filesystem recovery using a lot of
> memory, these should be gone now. I would not recommend 16M if you
> are looking for streaming data on or off the filesystem, other than
> that is should not be a problem.
>
> Steve
>
> >
> > Cheers
> > Seth
> --
>
> Steve Lord                                      voice: +1-651-683-3511
> Principal Engineer, Filesystem Software         email: lord@sgi.com

======================================================

What if you were using direct i/o (O_DIRECT) to stream data from a 16M
system ?  Would that still be as much of an issue - would the same
performance
considerations still hold ?

Thanks,
Mike Keefe