Re: Simple postgresql.conf wizard

Heikki Linnakangas <heikki.linnakangas@enterprisedb.com> writes:
> You're right, I haven't, but yes I know that's a problem. We've chatted 
> about that with Greg sometimes. It would be nice to have more stable 
> plans. My favorite idea is to stop using the current relation size in 
> the planner, and use the value snapshotted at ANALYZE instead.

Sorry, that's a nonstarter.  We used to act that way and it was
completely fatal to plan quality in very many typical scenarios.

IMHO, the only thing worse than an unstable plan is a stable one.
        regards, tom lane