On Tuesday November 9 2004 9:52, Jan Wieck wrote:
> > I see the madness, no way to bookmark progress on the master without
> > getting way into MVCC.
>
> And with that MVCC mess, make "sure" that no vacuum on that master
> accidentially removes old rows. These are not locked by any existing
> transaction any more, because the COPYing slon got clobbered ... but we
> would like them to hang in there longer anyway. It is madness, indeed.

By "old rows" removed by vacuum, I assume you're talking about dead tuples 
that get reused by vacuum or reclaimed by vacuum full?  Why do we care 
about those?  If they were dead, I thought they didn't exist as far as any 
live db activity was concerned?

Ed