On Thu, Jan 8, 2009 at 3:36 AM, Stefano Nichele <stefano.nichele@xxxxxxxxx> wrote: > Find ! > > Dell CERC SATA RAID 2 PCI SATA 6ch > > Running lspci -v: > > 03:09.0 RAID bus controller: Adaptec AAC-RAID (rev 01) > Subsystem: Dell CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) IIRC that's the 'perc 6ir' card...no write caching. You are getting killed with syncs. If you can restart the database, you can test with fsync=off comparing load to confirm this. (another way is to compare select only vs regular transactions on pgbench). merlin -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
