On Tue, 2008-12-09 at 15:07 -0500, Merlin Moncure wrote: > On Tue, Dec 9, 2008 at 1:11 PM, Joshua D. Drake <jd@xxxxxxxxxxxxxxxxx> wrote: > > Hard drives work, their cheap and fast. I can get 25 spindles, 15k in a > > 3U with controller and battery backed cache for <$10k. > > While I agree with your general sentiments about early adoption, etc > (the intel ssd products are the first flash drives that appear to have > real promise in the enterprise), the numbers tell a different story. Oh I have read about them and I am excited. I am just saying that there are plenty of people who can take advantage of the unknown without the worry of the pain that can cause. My client, can't. > > The main issue that I see with flash SSD is if the promised wear > lifetimes are believable in high load environments and the mechanism > of failure (slowly degrade into read only) is accurate. > Right. > So, at least in relative terms, 15k sas drives are not 'fast'. They > are terribly, awfully, painfully slow. They are also not cheap in > terms of $/IOPS. The end is near. > No doubt about it. I give it 24 months tops. Joshua D. Drake > merlin > -- PostgreSQL Consulting, Development, Support, Training 503-667-4564 - http://www.commandprompt.com/ The PostgreSQL Company, serving since 1997 -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
