Re: 1 TB of memory

For God's sake buy a mainframe! =o)

On 3/17/06, Michael Stone <mstone+postgres(at)mathom(dot)us> 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
>