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Re: Opteron vs Xeon (Was: What to do with 6 disks?) - Mailing list pgsql-performance

From Vivek Khera
Subject Re: Opteron vs Xeon (Was: What to do with 6 disks?)
Date
Msg-id 71ac0e6e17e61544522edec3fdecb087@khera.org
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In response to Re: Opteron vs Xeon (Was: What to do with 6 disks?)  (Jeff Frost <jeff@frostconsultingllc.com>)
List pgsql-performance
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On Apr 20, 2005, at 12:40 AM, Jeff Frost wrote:

> I've seen quite a few folks touting the Opteron as 2.5x faster with
> postgres than a Xeon box.  What makes the Opteron so quick?  Is it
> that Postgres really prefers to run in 64-bit mode?
>

The I/O path on the opterons seems to be much faster, and having 64-bit
all the way to the disk controller helps...  just be sure to run a
64-bit version of your OS.


Vivek Khera, Ph.D.
+1-301-869-4449 x806
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