Proposal - increase SYSV SEMMNI and SEMMNS

[Ruben de Groot]

On Fri, Jun 11, 2010 at 10:00:34AM +0200, Ulrich Sp??rlein typed:
> On Thu, 10.06.2010 at 15:26:52 +0200, Romain Tarti??re wrote:
> > On Thu, Jun 10, 2010 at 01:35:47PM +0200, Ivan Voras wrote:
> > > kern.ipc.semmni: 10 -> 50
> > > kern.ipc.semmns: 60 -> 300
> > 
> > Looks like a good idea.
> > 
> > > This change is not as critical as before [...] but increasing the
> > > defaults would be a convenience move, to save some
> > > reconfiguration-and-reboot hassle when installing software.
> > 
> > In the same vein, and while they can be tuned without a reboot, some ports
> > require to increase kern.ipc.shmmax and kern.ipc.shmall for them to work
> > correctly (e.g. multimedia/totem).
> > 
> > Maybe all these 'convenience increases of IPC related defaults' can be
> > done together?
> 
> Please just do it. We should ship with sensible defaults and not
> require tinkering for these sorts of things. I'm not sure if these
> defaults are already per-arch, but the embedded folks might want to
> retain the low defaults?

Definately! And I also think application based tuning (postgres, mono) should be done 
per application, not by default.

Ruben