Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> writes:
> Thus, I would vote for removing GiST fillfactor altogether. Assuming
> we can't do this for compatibility reasons, I would vote for setting
> default GiST fillfactor to 100, and don't introduce new places where
> we take it into account.
We probably can't remove the fillfactor storage parameter, both for
backwards compatibility and because I think it's implemented independently
of index type. But there's no backwards-compatibility argument against
simply ignoring it, if we conclude it's a bad idea.
regards, tom lane