Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> writes:
> Tom Lane wrote:
>> There may
>> be no very good way to do that without maintaining some shared state,
>> ie the last page handed out.
> We could put an extra field on the FSM root page. Hmm, it doesn't
> actually need to be a single global field, so we could have a field like
> that on every FSM page, for better concurrency.
Yeah, that would work, and it is only a hint so you needn't WAL-log
changing it.
regards, tom lane