>>>>> "JG" == John Gibson <gib@edgate.com> writes:
JG> Hi, all.
JG> I need to upgrade my dual Xeon PostgreSQL engine.
JG> Assuming similar memory and disk sub-systems, I am considering a Quad
JG> Xeon system vs. a Dual Itanium for PostgreSQL. I believe that the
Save the money from the dual itanium or quad xeon and buy a dual xeon
but faster disks with a larger cache in the RAID controller, and
perhaps a dedicated RAID controller for the disk set that holds the
write-ahead log.
You're sure to find that you saturate the disk system faster than you
fill up even one CPU, let alone 4.
I assume that the box will be running *only* the database and any
other applications will run elsewhere.
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Vivek Khera, Ph.D. Khera Communications, Inc.
Internet: khera@kciLink.com Rockville, MD +1-301-869-4449 x806
AIM: vivekkhera Y!: vivek_khera http://www.khera.org/~vivek/
