For God's sake buy a mainframe! =o) On 3/17/06, Michael Stone <mstone+postgres@xxxxxxxxx> wrote: > On Thu, Mar 16, 2006 at 10:44:25PM -0800, Luke Lonergan wrote: > >You'd be better off with 4 x $10K servers that do 800MB/s from disk each and > >a Bizgres MPP - then you'd do 3.2GB/s (faster than the SSD) at a price 1/10 > >of the SSD, and you'd have 24TB of RAID5 disk under you. > > Except, of course, that your solution doesn't have a seek time of zero. > That approach is great for applications that are limited by their > sequential scan speed, not so good for applications with random access. > At 3.2 GB/s it would still take over 5 minutes to seqscan a TB, so you'd > probably want some indices--and you're not going to be getting 800MB/s > per system doing random index scans from rotating disk (but you might > with SSD). Try not to beat your product drum quite so loud... > > Mike Stone > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Have you searched our list archives? > > http://archives.postgresql.org >
