[Bug 53522] Disk Scheduler Algorithm

[Pascal de Bruijn]

Public bug reported:

I noticed that Ubuntu still uses the Anticipatory disk scheduler by
default:

pmjdebruijn at agamemnon:~$ cat /sys/block/hda/queue/scheduler
noop [anticipatory] deadline cfq
pmjdebruijn at agamemnon:~$

Considering that (if I'm not mistaken) both RedHat and SuSE use CFQ by
default, shouldn't Ubuntu use CFQ too?

When one looks at the algorithm, it's obvious it could improve desktop
interactivity.

I also did some bonnie benchmarks a while back which also indicated that
cfq and deadline perform the best.

** Affects: linux-source-2.6.15 (Ubuntu)
     Importance: Untriaged
         Status: Unconfirmed

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Disk Scheduler Algorithm
https://launchpad.net/bugs/53522