-----Original Message----- From: pgsql-performance-owner@postgresql.org on behalf of Andrzej Zawadzki Sent: Fri 5/23/2008 6:41 AM To: pgsql-performance@postgresql.org Subject: [PERFORM] Quad Xeon or Quad Opteron?
Hello,
We're planning new production server for PostgreSQL and I'm wondering which processor (or even platform) will be better: Quad Xeon or Quad Opteron (for example SUN now has a new offer Sun Fire X4440 x64).
When I was buying my last database server, then SUN v40z was a really very good choice (Intel's base server was slower). This v40z still works pretty good but I need one more.
AFAIK Intel made some changes in chipset but... is this better then AMD HyperTransport and Direct Connect Architecture from database point of view? How about L3 cache - is this important for performance?