On Dec 29, 2006, at 12:30 PM, Chris Browne wrote:
> How you get the work to spread consistently across 6 hours is a
> challenge; personally, my preference would generally be to try to get
> the work done ASAP, so the goal seems a tad off to me...
Agreed. If we're going to monkey with automatically setting vacuum
cost GUCs I'd *much* rather work towards having some kind of I/O
priority scheme; that would allow vacuum to use as much I/O as it
wants, provided nothing else in the system needs it.
--
Jim Nasby jim@nasby.net
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)