Is there a way to prioritize disk operations ?

Freddie Cash fjwcash at gmail.com
Tue Jan 15 20:10:46 UTC 2013


man gsched


On Tue, Jan 15, 2013 at 12:09 PM, Yuri <yuri at rawbw.com> wrote:

> Currently one can set nice value to the process. But it only affects the
> CPU scheduling, so if this process is CPU bound it would yield to others.
> What if the process is disk-bound, like some backup operations? The backup
> copying large disk seriously affects performance of all other apps
> accessing the same disk.
>
> Is there a way to set the priority value on the process for the disk
> operations, so that all disk operations originating from the process will
> be scheduled in similar way how CPU is scheduled based on the nice value of
> the process? The disk-intense backup process with low disk priority won't
> affect the other processes at all.
>
> Yuri
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-- 
Freddie Cash
fjwcash at gmail.com


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