> True, but running several dozen instances on a single machine will
> require a lot more memory (or, conversely, each individual database gets
> a lot less memory to use).
>
> Of course, this is all hand-waving right now... it'd be interesting to
> see which approach was actually better.
I'm run
> [snip] (In fact, it's
> trivial to see how user-defined functions that are mislabeled immutable
> could make this fail.) So retail vacuum without any cross-check that
> you got all the index tuples is a scary proposition IMHO.
Wouldn't work to restrict that kind of vacuum to only tables which h
