Disabling atime

[Ralf Corsepius]

On Sun, 2007-08-12 at 08:46 +0530, Rahul Sundaram wrote:
> Ralf Corsepius wrote:
> > On Sat, 2007-08-11 at 21:34 +0530, Rahul Sundaram wrote:
> >> Matthew Miller wrote:
> >>> On Fri, Aug 10, 2007 at 09:43:18PM +0000, Martin Ebourne wrote:
> >>>> The minority here is having atime, hardly anyone ever uses it compared to 
> >>>> the cost of having it. It's easy to reenable it for the few who really 
> >>>> find it useful and want to pay for it.
> >>> tmpwatch runs by default. Everyone uses that.
> >> Has a simple patch already which I mentioned in my original mail.
> > 
> > And how do you "fix" the "find"-based cron job users might have
> > implemented to clean up /var/cache from files not being used for time
> > span "x"?
> 
> Any change will have some corner cases where it will cause problems.
This is not a corner case. This is the OS having dropped a fundamental
feature.

>  We 
> can make defaults work good without atime and for other instances there 
> is always the release notes as usual. We are only talking about changing 
> this for a new release so users would have time to adopt if necessary.

> For most users, it is just a performance boost.
Implement "aging"/"time-based cleanup of /var/cache/yum" into yum and it
will affect everybody.