Messages in this thread |  | | Date | Mon, 24 Jul 2006 08:41:37 -0400 (EDT) | | From | Justin Piszcz <> | | Subject | Re: CFQ will be the new default IO scheduler - why? |
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On Mon, 24 Jul 2006, Matthias Andree wrote:
> On Sun, 23 Jul 2006, Paa Paa wrote: > >> The default IO scheduler in 2.6.18 will be CFQ (Complete Fair Queuing) >> instead of AS (Anticipatory Scheduler) as described here: >> http://wiki.kernelnewbies.org/Linux_2_6_18. I tried to find (here, at lkml) >> the discussion about this change with no luck. > > That wiki document nicely shows the advantage of the scheduler, namely > that you have "ionice", which isn't possible for AS or Deadline > Schedulers - this allows the operating system to run processes like > updatedb with "nice I/O", meaning these hold when you're doing other > I/O. > > -- > Matthias Andree > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
Should there be a default scheduler per filesystem? As some filesystems may perform better/worse with one over another?
Justin. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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