On Apr 18, 2009, at 11:27, Richard Elling wrote:

The win is nonvolatile main memory. When we get this on a large,
fast scale (and it will happen in our lifetime :-) then we can begin
to forget about file systems, with an interim step through ramdisks.

"Tape is dead, Disk is tape, Flash is disk, RAM locality is king."
        -- Jim Gray
        
http://research.microsoft.com/en-us/um/people/gray/talks/Flash_is_Good.ppt
        http://www.signallake.com/innovation/Flash_is_Good.pdf
        http://queue.acm.org/detail.cfm?id=864078

"Disk Is The New Tape—Flash Is The New Disk"
        -- Dave Hitz
        http://blogs.netapp.com/dave/2008/11/disk-is-the-new.html

This is also kind of reflects the philosophy of the Varnish web proxy:

Well, today computers really only have one kind of storage, and it is usually some sort of disk, the operating system and the virtual memory management hardware has converted the RAM to a cache for the disk storage.

http://varnish.projects.linpro.no/wiki/ArchitectNotes

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