We're using dual cpu (not dual core) 64bit AMD Opteron (Sun Fire V20's) based systems and are VERY impressed with their performance; our python benchmarks show dual Opteron 250 systems outperforming dual twin-core Xeon 3.6GHz with the same code. Almost everything we run is ZEO based and hosted over 2 or more boxes (7 or 8 in the case of our biggest system). We couldn't be happier with the combination of Opteron and ZEO. We benchmarked 64bit Opteron, 64Bit UltraSparc III, 32bit Xeon and 64bit Xeon for our applications. Opteron trounces them all in day to day use. Sun's dual core Opteron offerings are coming out VERY soon. So that will make the V20 a 4-way system, and the V40 an 8-way system! As a guide, our standard spec for a ZEO hosted Zope server is 2 x Opteron 250/252, 4Gb, dual Gbit NIC, dual 10krpm SCSI drives in RAID1 (the main ZEO backend server is a similar spec but utilising a big SATA array in RAID50). We've found we can host 6 or so big sites (resident seize of 250mb or more) on each node and still get excellent performance by duplicating across several nodes. We have ZEO served sessions and use Pound to load balance across the pool without any stickyness - meaning on each page access users will (potentially) go to a new box - resulting in much finer grained balancing and use of resources. Performance is *excellent*. -John John Snowdon - IT Support Specialist -==========================================- School of Medical Education Development Faculty of Medical Sciences Computing University of Newcastle
-----Original Message----- From: zope-bounces@zope.org [mailto:zope-bounces@zope.org] On Behalf Of Srdan Zagorac Sent: 26 July 2005 06:27 To: zope@zope.org Subject: [Zope] cpu performance zope/zeo
Hi
I need a suggestion / advice regarding the CPU options for the best ZOPE and ZEO performance. eg 32 vs 64 bits architecture, single vs dual core, hyper threading. Is there any bechmarks already posted on the web??
Thanks
-- ------------------------------------- Srdan Zagorac Software Developer / Webmaster / DB Administrator Bioengineering Institute University of Auckland email: srdan.zagorac@auckland.ac.nz url: http://www.bioeng.auckland.ac.nz ph: +64 9 373 7599 ext. 82046 fax: +64 9 367 7157 -------------------------------------
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