On Thursday 31 January 2008 09:55, Kevin Grittner wrote:
> >>> On Wed, Jan 30, 2008 at 8:13 PM, in message
>
> <d6d6637f0801301813n64fa58eu76385cf8a621907@mail.gmail.com>, "Christopher
>
> Browne" <cbbrowne@gmail.com> wrote:
> > There seems to be *plenty* of evidence out there that the performance
> > penalty would NOT be "essentially zero."
>
> I can confirm that I have had performance tank because of boosting
> the statistics target for selected columns. It appeared to be time
> spent in the planning phase, not a bad plan choice. Reducing the
> numbers restored decent performance.
>
Bad plans from boosting to 100 or less? Or something much higher?
--
Robert Treat
Build A Brighter LAMP :: Linux Apache {middleware} PostgreSQL