On Sun, Jan 23, 2005 at 03:40:03PM -0500, Tom Lane wrote:
> There was some discussion in Toronto this week about storing bitmaps
> that would tell VACUUM whether or not there was any need to visit
> individual pages of each table.  Getting rid of useless scans through
> not-recently-changed areas of large tables would make for a significant
> reduction in the cost of VACUUM.
FWIW, that's already on the TODO. See also
Jim C. Nasby, Database Consultant               [EMAIL PROTECTED] 
Give your computer some brain candy! www.distributed.net Team #1828

Windows: "Where do you want to go today?"
Linux: "Where do you want to go tomorrow?"
FreeBSD: "Are you guys coming, or what?"

---------------------------(end of broadcast)---------------------------
TIP 8: explain analyze is your friend

Reply via email to