my bet is on the limited amount of shared memory. The setup as posted by Leon 
only shows 80 MB. On a 4 GB database, that's not all that much. Depending on 
what he's doing, this might be a bottleneck. I don't like the virtual memory 
strategy of Linux too much and would rather increase this to 1 - 2 GB for the 
Postgres DB - Specially since he's not running anything else on the machine 
and he has 4 GB to play with.

On Thursday 12 February 2004 14:05, Bruce Momjian wrote:
> Leon Out wrote:
> My only guess is that the tests are I/O bound and therefore the faster
> CPU's aren't helping PostgreSQL.

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