On Thu, Apr 07, 2005 at 02:34:03PM +0800, Qingqing Zhou wrote:
>
> "Alvaro Herrera" <[EMAIL PROTECTED]> writes
> > Because we can't reuse MultiXactIds at system crash (else we risk taking
> > an Id which is already stored in some tuple), we need to XLog it. Not
> > at the locking operation, becau
"Alvaro Herrera" <[EMAIL PROTECTED]> writes
> Because we can't reuse MultiXactIds at system crash (else we risk taking
> an Id which is already stored in some tuple), we need to XLog it. Not
> at the locking operation, because we don't want to log that one (too
> expensive.) We can log the curre
Hackers,
Again I come back to this topic. Now I have a better hold on an idea
that is hopefully implementable and doesn't have expensive performance
penalties.
Forget the idea of using the regular lock manager directly on tuples.
It's folly because we can't afford to have that many locks. Inste
