This machine is a Sun x4100 m2 w/ 2 x Quad Core Opteron 2356 and 32GB ram.  We're not expecting enough traffic to make it even blink but I was just curious :-).

On Oct 15, 2012, at 8:26 PM, Anthony Minessale wrote:

What Hardware is it?

One note is that the 3.2 kernel has drastically improved support for the sandybridge so if you have an i-series intel, you might want to give it a try.  We have run into issues with the kernel going wonky for minutes at a time on a 2.6.28 build.

At late 2.6 or greater, you don't need to worry about tickless or hz because it supports timerfd which replaces the need for those.  
I think preemption is a good choice but it works either way.




On Mon, Oct 15, 2012 at 10:03 AM, Spencer Thomason <spencer@5ninesolutions.com> wrote:
Hello,
I'm working on recompiling a custom kernel for our FreeSWITH installations.  Are there any recommendations in regard to the options that should or should not be set for optimum performance.  This is based on Linux Kernel 2.6.32.  Is disabling the tickless feature and building a 1000hz timer still a recommendation?  Is there any recommendation as to the preemption model for the CFS scheduler in this version?

Thanks,
Spencer
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