| From: | "Jim C(dot) Nasby" <jim(at)nasby(dot)net> |
|---|---|
| To: | Mark Wong <markw(at)osdl(dot)org> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: continuing daily testing of dbt2 against postgresql |
| Date: | 2006-10-09 19:35:46 |
| Message-ID: | 20061009193546.GH72517@nasby.net |
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| Thread: | |
| Lists: | pgsql-hackers |
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 jim(at)nasby(dot)net
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
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