Re: Select count(*), the sequel

On Tue, Oct 26, 2010 at 6:51 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Robert Haas <robertmhaas(at)gmail(dot)com> writes:
>> I don't think this is due to fillfactor - the default fillfactor is
>> 100, and anyway we ARE larger on disk than Oracle.  We really need to
>> do something about that, in the changes to NUMERIC in 9.1 are a step
>> in that direction, but I think a lot more work is needed.
>
> Of course, the chances of doing anything more than extremely-marginal
> kluges without breaking on-disk compatibility are pretty tiny.  Given
> where we are at the moment, I see no appetite for forced dump-and-reloads
> for several years to come.  So I don't foresee that anything is likely
> to come of such efforts in the near future.  Even if somebody had a
> great idea that would make things smaller without any other penalty,
> which I'm not sure I believe either.

Let's try not to prejudge the outcome without doing the research.

--
Robert Haas
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