On Wed, Mar 20, 2013 at 4:45 PM, Arlie Stephens wrote:
> On Mar 20 2013, valdis.kletni...@vt.edu wrote:
>> On Wed, 20 Mar 2013 16:05:09 -0700, Arlie Stephens said:
>> > The ongoing thread reminds me of a simple question I've had since I
>> > first read about linux' mutiple I/O schedulers. Why is t
On Mar 20 2013, valdis.kletni...@vt.edu wrote:
> On Wed, 20 Mar 2013 16:05:09 -0700, Arlie Stephens said:
> > The ongoing thread reminds me of a simple question I've had since I
> > first read about linux' mutiple I/O schedulers. Why is the choice of
> > I/O scheduler global to the whole kernel, ra
On Wed, 20 Mar 2013 16:05:09 -0700, Arlie Stephens said:
> The ongoing thread reminds me of a simple question I've had since I
> first read about linux' mutiple I/O schedulers. Why is the choice of
> I/O scheduler global to the whole kernel, rather than per-device or
> similar?
They aren't global
The ongoing thread reminds me of a simple question I've had since I
first read about linux' mutiple I/O schedulers. Why is the choice of
I/O scheduler global to the whole kernel, rather than per-device or
similar?
Consider a system with both traditional rotating disks and SSDs - not
at all far fe