Anyone rolling a kernel nowadays?

[Jordon Bedwell]

On Mon, 2010-08-09 at 14:05 -0400, Ric Moore wrote:
> On Mon, 2010-08-09 at 12:49 -0500, Jordon Bedwell wrote:
> > On Mon, 2010-08-09 at 13:26 -0400, Ric Moore wrote:
> > > I hear that, it's just that my AMD64 3200 is starting to get a little
> > > long in the tooth (it was Gee Whiz! when I first bought it) so I figured
> > > that the speed gains that I got on my 486/DX2-66, back when I rolled
> > > kernels routinely, would also pep up this machine. I sure don't need
> > > references to Intel or ARM or X-box CPU's taking up kernel real-estate.
> > > Besides, it's just for this machine and me. :) Ric
> > 
> > I think it's only the old folk [not literally old folk] who do that.  I
> > know I still roll custom Kernels on all my machines and especially on my
> > servers and they're flagged as coming from me so me and clients know
> > this is the case. I like and love my upstream providers but they use a
> > generic kernel and it makes me a sad panda because I, like you, like a
> > clean system, therefore why do I have references for all the crap not in
> > my machine that belongs to another machine in their data center?  I've
> > even fought with some upstream providers of this, stop saving a few
> > gigabytes of space when storage is cheap now when you can cleanup your
> > clients systems and build images for specific server sets, alas they
> > don't care.  Anyways too much off topic, I know lots including myself
> > who always use a custom kernel no matter what.
> 
> Is the speed/performance gain noticeable? Thanks, Ric
> 
> 
> 
> 

Yes there is a significant amount of overhead removed with custom
kernels, especially on servers where we need that overhead removed so
that we can utilize the hardware as much as we can.  You can also do
some basic optimizations in /etc/sysctl.conf