On Thursday February 27 2003 3:28, Andrew Sullivan wrote:
> On Thu, Feb 27, 2003 at 02:21:23PM -0700, Ed L. wrote:
> > Unfortunately, dbmirror does go through all the iterations, even
> > if
>
> So does dbmirror keep a copy of the row somewhere? Doesn't that
> add a lot to i/o?
Yes and yes, it would seem so. It could be a significant performance
issue for a database with lots of updates in a short amount of time.
The "current-as-of-snapshot" approach would be a valuable
enhancement.
Ed