On Mon, Oct 09, 2006 at 10:37:32AM -0700, Mark Wong wrote: > Jim C. Nasby wrote: > >On Sun, Oct 08, 2006 at 05:26:11PM -0700, Mark Wong wrote: > >>I made another couple of gross mistakes of forgetting to compile > >>PostgreSQL with --enable-thread-safe and enabling the user space irq > >>balancing program in Linux. I've restarted the histories with 600 and > > > >What's the advantage of irq balancing in user space as opposed to the > >kernel (which is the default, right?) > > Linux doesn't have irq balancing in the kernel. They've made the > decision to leave that to a user space process. The irq balancing flag > in the kernel is just to enable the hooks for a user space program.
Oooh, interesting... I wonder how many installs out there are running without IRQ balancing enabled. -- Jim Nasby [EMAIL PROTECTED] EnterpriseDB http://enterprisedb.com 512.569.9461 (cell) ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match