> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Steinar H. Gunderson > Sent: 30 mai 2005 12:55 > To: pgsql-performance@postgresql.org > Subject: Re: [PERFORM] Postgresql and xeon. > > On Mon, May 30, 2005 at 09:19:40AM -0700, Josh Berkus wrote: > > Search the archives of this list. This has been discussed > ad nauseum. > > www.pgsql.ru > > I must admit I still haven't really understood it -- I know > that it appears on multiple operating systems, on multiple > architectures, but most with Xeon CPUs, and that it's > probably related to the poor memory bandwidth between the > CPUs, but that's about it. I've read the threads I could find > on the list archives, but I've yet to see somebody pinpoint > exactly what in PostgreSQL is causing this. > > Last time someone claimed this was bascially understood and > "just a lot of work to fix", I asked for pointers to a more > detailed analysis, but nobody answered. Care to explain? :-)
Same here archives references are just overview but no real data.... to where and why, i would state pg 7.4.8 and kernel 2.6 with preemptive scheduler and dual xeon 3.2 ghz 6 gig of ram. Eric Lauzon [Recherche & Développement] Above Sécurité / Above Security Tél : (450) 430-8166 Fax : (450) 430-1858 ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings
