Re: [gentoo-user] Harddisk priority

On Sonntag, 8. Juni 2008, Thomas Pedersen wrote:
> Michal 'vorner' Vaner skrev:
> > Hello
> >
> > On Sun, Jun 08, 2008 at 10:53:12AM +0200, Thomas Pedersen wrote:
> >> I'm running a few processes in a cron-job, which makes the harddisk
> >> quiet busy, like the emerge --sync command.
> >> I know it's possible to nice them to use less CPU power, but is there a
> >> similar approach for reading/writing to the disk?
> >
> > I heard of tool called ionice, which does exactly this. AFAIK it needs a
> > kernel patch.
>
> Knowing the name of what you're looking for sure helps...
> ionice is already installed by the lastest util-linux
> It seems to require the CFQ I/O scheduler, anyone know if it's a big
> disadvantage to run this scheduler instead of the Anticipatory ???
> ...and does anyone know if this works in a default stable Gentoo
> installation??

from my experience CFQ is A LOT better than anticipatory on a desktop.

And why shouldn't it work?

-- 
Conclusions 
 In a straight-up fight, the Empire squashes the Federation like a bug. Even 
with its numerical advantage removed, the Empire would still squash the 
Federation like a bug. Accept it. -Michael Wong 
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