Re: [GENERAL] Postgres database performance on 6 core Opteron vs 4 core Xeon

2009-11-30 Thread Grzegorz Jaśkiewicz
On Mon, Nov 30, 2009 at 3:33 PM, Greg Smith wrote: > > Returning to the real world of database performance, every dollar spent on > your processors and expensive memory is one you can't spend on disks > instead, so in reality AMD's cost effectiveness can make for a better > overall database syste

Re: [GENERAL] Postgres database performance on 6 core Opteron vs 4 core Xeon

2009-11-30 Thread Greg Smith
Postgres User wrote: The 6 core processor should offer a clear edge but these AMD processors are cited for relatively slow L3 cache speeds compared to their Intel counterparts. The big problem is that the raw memory speed in the Intel Nehelem designs (with 3-channel DDR3 1333MHz) is so superi

Re: [GENERAL] Postgres database performance on 6 core Opteron vs 4 core Xeon

2009-11-25 Thread Scott Marlowe
On Wed, Nov 25, 2009 at 11:20 AM, Postgres User wrote: > Has anyone seen any performance metrics comparing the Opteron 6-core > Istanbul class processor aginst the 4-core Xeon e5500 series > processor, esp running a dataase?  Or has anyone compared these 2 > processor options before ordering a Pos