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SubjectRe: [RFC] My research agenda for 2.7
On Wed, Jul 02, 2003 at 07:04:45PM -0700, Larry McVoy wrote:
> If we're thinking about the same thing, the basic idea was to store
> information into a higher level object and make more intelligent paging
> decisions based on the higher level object. In my brain, since I'm a
> SunOS guy, that means that you store information in the vnode (inode)
> which reflects the status of all pages backed by this inode.
> Instead of trying to figure out what to do at the page level, you figure
> out what to do at the object level.
> Some postings about this:
> http://groups.google.com/groups?q=topvn+mcvoy&hl=en&lr=&ie=UTF-8&oe=UTF-8&selm=3cgeu9%24h96%40fido.asd.sgi.com&rnum=1
> http://groups.google.com/groups?q=vnode+mcvoy&start=10&hl=en&lr=&ie=UTF-8&oe=UTF-8&selm=l0ojgnINN59t%40appserv.Eng.Sun.COM&rnum=12
> I can't find the writeup that you are thinking about. I know what you mean,
> there was a discussion of paging algs and I went off about how scanning a
> page a time is insane. If someone finds the URL let me know.

I believe people are already on file object local page replacement,
though it's more in the planning than implementation phase.


-- wli
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