Re: LWLock contention: I think I understand the problem

Tom Lane wrote:
> 
> Hannu Krosing <hannu@krosing.net> writes:
> > I misinterpreted the fact that new VACUUM will skip locked pages
> 
> Huh?  There is no such "fact".
> 
>                         regards, tom lane

Was it not the case that instead of locking whole tables the new 
vacuum locks only one page at a time. If it can't lock that page it 
just moves to next one instead of waiting for other backend to release 
its lock. At least I remember that this was the (proposed?) behaviour 
once.

---------------
Hannu