Hello List, i would like to pimp my postgres setup. To make sure i dont have a slow hardware, i tested it on three diffrent enviorments: 1.) Native Debian Linux (Dom0) and 4GB of RAM 2.) Debian Linux in Xen (DomU) 4GB of RAM 3.) Blade with SSD Disk 8GB of RAM Here are my results: http://i39.tinypic.com/24azpxg.jpg Here is my postgres config: http://pastebin.com/m5e40dbf0 Here is my sysctl: ---------------------------------- kernel.shmmax = 3853361408 kernel.shmall = 99999999 Here is my pgbench benchmark script: http://pastebin.com/m676d0c1b Here are my hardware details: ======================== On Hardware 1 + 2 (native linux and debian) i have the following Hardware underneath: -------------------------------------------------------------------------------------------------------------------------------------------------------- - ARC-1220 8-Port PCI-Express on Raid6 with normal SATA drives 7200RPM - 1x Quadcore Intel(R) Xeon(R) CPU E5320 @ 1.86GHz The Blade: ---------------------------- - 2x 16GB SSD set up in striping mode (Raid 0) - 2x Quardcore Intel(R) Xeon(R) CPU E5420 @ 2.50GHz Any idea why my performance colapses at 2GB Database size? Thanks, Mario -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
