What you probably want is a motherboard which has a small area of main
memory protected by battery, and a ramdisk driver which knows how to use it.
Then you'd get the 1,000,000 IOPS. No idea if anyone makes such a thing.
You are correct that ZFS gets an enormous benefit from even tiny amounts if
NV ZIL. Trouble is that no other operating systems or filesystems work this
well with such relatively tiny amounts of NV storage, so such a hardware
solution is very ZFS-specific.
No comment on how good or otherwise it is, but I just came across this:
http://www.ddrdrive.com/
Which appears to be looking to provide something for OpenSolaris...
(And some other minority interest OS called Windows).
Julian
--
Julian King
Computer Officer, University of Cambridge, Unix Support
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