>> I'd double the RAM, use 15k drives for the RAID-10 array and make sure
>> I used a 64-bit O/S.
>
> This may be a foolish question, but are people running windows 64-bit
> o/s, obviously the adoption rate is not as fast as Linux, but are users
> who are deploying Windows PostgreSQL servers, are they using 32 or
> 64 bit o/s?
Regarding performance of 64-bit in general, I posted this last year about
My 64-bit Data Warehouse running RedHat with PostgreSQL:
http://archives.postgresql.org/pgsql-admin/2007-01/msg00307.php
> I have dual Xeon's in my DWH, and I used to run 32-bit which I upgraded to
> 64-bit over Christmas. We run a nightly import to that database which used
> to take around 5 hours which now completes in less than 1 hour.
I don't know that much about it in technical detail, but that's just my
experience.
As far as Windows 64-bit goes, I'm also running 64-bit on our MS SQL Server
for SAP and that box flies along under 64-bit. Barely breaks 30% usage with
around 80 users. Specs for that box are quad Xeon 64-bit processors (8
cores),
8gb RAM and RAID-10 SAS 15k disks.
(No, I didn't get a choice about Windows or MSSQL)
There are some conflicts between the 64-bit system and RadioBeacon / Valogix
which we had to do some trickery to get around, but in general it's quite
damn good.
Running 64-bit also allows the system to access and use over 4gb RAM without
having to get in to nasty things like PAE.
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