Re: autovacuum not prioritising for-wraparound tables

Tom Lane escribió:
> Alvaro Herrera <alvherre@2ndquadrant.com> writes:
> > Instead, what I propose (and is not really in the patch), as a
> > backpatchable item, is an approach in which the functions to compute
> > each rel's Browne strength and sort are hooks.  Normal behavior is not
> > to sort at all, as currently, and sites that have a problem with the
> > current random order can install a custom module that provide hooks to
> > change ordering as they see fit.  So behavior won't change for people
> > who have no problem today.
>
> Meh.  I'm not really thrilled with adding hooks (that presumably we'd
> have to preserve forever) to solve a short-term problem.  Nor does this
> sound hugely convenient for users with the problem, anyway.  Do we even
> know for sure that anyone would create such modules?

Well, I would.  Providing a custom module is many times more convenient
than providing a patched binary.  But since there seems to be
considerable resistance to the idea I will drop it, unless others vote
in favour.

--
Álvaro Herrera                http://www.2ndQuadrant.com/
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