On Tue, 22 Jan 2008, Adrian Moisey wrote:
> Hi
>
>>> Which scheduler is recommended for a box that is dedicated to running
>>> postgres?
>>>
>>> I've asked google and found no answers.
>>
>> Is it the OS itself?
>
> Yes, in linux. I've found that cfq or deadline is best, but I haven't seen
> anyone try a benchmark
it also depends on your hardware. if you have a good battery-backed cache
on your I/O system you may be best off with 'none' (or simple elevator, I
don't remember the exact name)
the more complexity in your I/O that the kernek oesn't know about, the
less likely it is to make the right decision.
David Lang
