Robert Haas <robertmhaas@gmail.com> writes:
> On Thu, Jan 13, 2011 at 5:29 PM, Magnus Hagander <magnus@hagander.net> wrote:
>> +1, I like the idea. Would it still be there to override if necessary?
> Depends what people want to do. We could make the default "0kB", and
> define that to mean "auto-tune", or we could remove the parameter
> altogether. I think I was envisioning the latter, but if people are
> hesitant to do that we could do the former instead.
I think we need to keep the override capability until the autotune
algorithm has proven itself in the field for a couple of years.
I agree with Josh that a negative value should be used to select the
autotune method.
regards, tom lane