[erlang-questions] RamSan and the EveOnline architecture
Sat Dec 15 12:56:05 CET 2007
Note that mnesia uses disk_log for disc_copies, which
doesn't entail random access. For disc_only_copies, on the other
hand, it's dets, which would mean random access.
2007/12/15, Scott Lystig Fritchie <fritchie@REDACTED>:
> >>>>> "jm" == Jim McCoy <jim.mccoy@REDACTED> writes:
> jm> You could also try using one of the more recent NAND solid-state
> jm> drives. The performance numbers here
> jm> (http://www.nextlevelhardware.com/storage/battleship/) of running
> jm> raid 0 on a batch of these drives is pretty impressive, and for a
> jm> much better price if you are not bottlenecked on write ops.
> For anyone thinking of that particular line of NAND drives, you'll do
> well to fetch the product specification doc and look at page 9 (?) for
> the max. _*random* write I/O_ rate before making a purchase decision.
> If two orders of magnitude slower doesn't bother you, go for it. :-)
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