Re: [Openmosix-devel] Currently not implemented

[Bob A. <cu...@pb...>]

consider using linuxcompressed patch for compressing swap and cache.

i doubt lowmem machines are worth clustering , consider donating them to your firewall/router pool (those machines can't be clustered anyway, because of security reasons)




On Thu, 9 Oct 2003 11:21:51 -0700
Mike Fedyk <mf...@ma...> wrote:

> On Thu, Oct 09, 2003 at 02:03:04AM -0300, Peter Cordes wrote:
> > On Mon, Oct 06, 2003 at 12:47:51AM -0300, Peter Cordes wrote:
> > > On Sat, Oct 04, 2003 at 10:10:34PM -0700, Mike Fedyk wrote:
> > > >  o improve memory sharing between nodes (right now, it moves the entire rss
> > > >    from one node to another, and this can take a while.  The docs say that
> > > >    it only copies the pages needed, but it seems like too much the way it is
> > > >    now)
> > > 
> > >  Would it help/be possible to let the process run while copying its memory,
> > > and then stop it and use the rsync algorithm to clear up any changes that
> > > happened during copying?  This probably only helps when the system load is
> > > low enough that there isn't something else to run while the process is being
> > > copied.
> > 
> >  In which case you usually don't need to migrate the process anyway.
> > Probably wouldn't help in enough cases to be worth doing, or to be worth
> > taking up space in the kernel.  Maybe if the system was running tight on
> > memory instead of CPU?
> 
> Yes, that was my origional point.
> 
> I wanted to take several low memory computers, and let them share each
> other's memory over the network.  In many cases, this is faster than the
> hard drives in the machines (if used for swap).
> 
> OM is not too good in this situation. :(
> 
> 
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