No, kern.ipc.nmbclusters is read-only.
Setting this in /etc/sysctl.conf is futile, it'll never actually be set in the kernel this way, the change will just get a read-only error, just like you would once the machine is booted. As long as I can remember it's been like this.
<snip>
sysctl: oid 'kern.ipc.nmbclusters' is a read only tunable
sysctl: Tunable values are set in /boot/loader.conf
<snip>
-mpf
--- Only dimly aware of a certain unease in the air ---
Vulpes Velox wrote:
On Fri, 13 Feb 2004 14:20:43 -0600 Matt Freitag <[EMAIL PROTECTED]> wrote:
For FreeBSD to support that many concurrent connections some kernel values must be tweaked. Namely, you'll need to set "kern.ipc.nmbclusters=81920" in loader.conf as it's a read-only oid.
Is this something that has changed since 4x? AFAIK it should be
settable in /etc/sysctl.conf... atleast it is on 4x, not sure about 5x
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