Re: [PATCH 00/23] per device dirty throttling -v8

Karel Zak
2007-08-08T10:43:09Z

On Sat, Aug 04, 2007 at 07:17:24PM +0200, Ingo Molnar wrote:
>
> * Diego Calleja <diegocg@gmail.com> wrote:
>
> > El Sat, 4 Aug 2007 18:37:33 +0200, Ingo Molnar <mingo@elte.hu> escribiA3:
> >
> > > thousands of applications. So for most file workloads we give
> > > Windows a 20%-30% performance edge, for almost nothing. (for
> > > RAM-starved kernel builds the performance difference between atime
> > > and noatime+nodiratime setups is more on the order of 40%)
> >
> > Just curious - do you have numbers with relatime?
>
> nope. Stupid question, i just tried it and got this:
>
> EXT3-fs: Unrecognized mount option "relatime" or missing value
>
> i've got util-linux-2.13-0.46.fc6 and 2.6.22 on that box, shouldnt that

The relatime patch has been applied to util-lilnux-ng-2.13 (now -rc3),
you will see it in Fedora 8 (and probably in the others distros).

Karel

--
Karel Zak <kzak@redhat.com>