On Wed, Feb 8, 2012 at 6:45 PM, Peter van Hardenberg <pvh@pvh.ca> wrote:
> Having read the thread, I don't really see how I could study what a
> more principled value would be.
Agreed. Just pointing out more research needs to be done.
> That said, I have access to a very large fleet in which to can collect
> data so I'm all ears for suggestions about how to measure and would
> gladly share the results with the list.
I wonder if some kind of script that grabbed random queries and ran
them with explain analyze and various random_page_cost to see when
they switched and which plans are faster would work?