Re: Two Necessary Kernel Tweaks for Linux Systems

On Tue, Jan 8, 2013 at 11:28 AM, Shaun Thomas <sthomas@optionshouse.com> wrote:
> On 01/08/2013 12:25 PM, Midge Brown wrote:
>
>> The kernel on our Linux system doesn't appear to have these two
>> settings according to the list provided by sysctl -a. Please pardon
>> my ignorance, but should I add them?
>
>
> Sorry if I wasn't more clear. These only apply to Linux systems with the
> Completely Fair Scheduler, as opposed to the O(1) scheduler. For all intents
> and purposes, this means 3.0 kernels and above.
>
> With a 2.6 kernel, you're fine.
>
> Effectively these changes fix what is basically a performance regression
> compared to older kernels.

What's the comparison of these settings versus say going to the NOP scheduler?