Re: I/O scheduler (aka dsched)

[Chris Turner <c.turner@xxxxxxxxxxxxxxxxxxx>]

Magnus Eriksson wrote:
> > The ionice priority is similar to nice, but the levels nice values range
> > from 0 to 10, and unlike the usual nice, 10 is the highest priority and 0
> > the lowest. Usage is exactly the same as nice:
>
> I think the principle of least surprise would suggest that it should 
> work exactly like nice, rather than flip it around, or people will get 
> confused why the misbehaving program continues to eat all IO even after 
> they reniced it.  :-)

nice is actually intuitive - the higher the number, the 'nicer' the 
processes are to the rest of the system..

negative nice => "mean"

it's just *system* relative - not process relative..

perhaps a commentary on our modern individualistic nature, that we get 
this wrong..

or something..

shutting up now.