Re: FSM corruption leading to errors

Heikki Linnakangas <hlinnaka@iki.fi> writes:
> This didn't include anything to cope with an already-corrupt FSM, BTW. 
> Do we still want to try something for that? I think it's good enough if 
> we prevent the FSM corruption from happening, but not sure what the 
> consensus on that might be..

Can we document an existing procedure for repairing FSM corruption?
(VACUUM, maybe?)  We're going to need to be able to explain how to
fix busted visibility maps in 9.6.1, too.
        regards, tom lane