Re: [HACKERS] Re: [PORTS] vacuum takes too long

On Wed, 6 Jan 1999, Bruce Momjian wrote:

> > Start at the top of the table, go to the first 'blank' section (a deleted
> > record)...find the next good record that will fit in the space, move it
> > there...clear out the old space, etc...
> >
> > if dba issues a 'vacuum', lock the table and do all records at once, but
> > otherwise try and vacuum the table live...
> >
> > With the new MVCC serialization, this concept should be less intrusive on
> > readers, no?
>
> Wish I knew the answer. I can guess, but that isn't going to help.

Guess == throwing in ideas, even if they are incorrect...the way I
figure it, I through out alot of guesses...some of them spark ideas in
others and we see some really neat ideas come out of it :)

Marc G. Fournier
Systems Administrator @ hub.org
primary: scrappy(at)hub(dot)org secondary: scrappy(at){freebsd|postgresql}.org