Subject: Re: default vnodes in the system
To: Hubert Feyrer <>
From: Daniel Carosone <>
List: tech-kern
Date: 06/02/2003 22:31:19
On Mon, Jun 02, 2003 at 02:13:42PM +0200, Hubert Feyrer wrote:
> What would it have to do to allocate many vnodes - open many files
> concurrently, or sequentially? In the latter case, a kernel-compile/build
> with -j1 (to make sure that enough RAM is left) might show some impact
> from a change, no?

I think you want at least a full build, not just the kernel, so
you have more files open.

On my 1Gb SMP machine, i tweak kern.maxvnodes=131072 in sysctl.conf.
Without that, i was never able to make it use all the RAM, even
with reasonably large values for make -j.