Re: Out of Memory - 8.2.4 - Mailing list pgsql-general

Alvaro Herrera <alvherre@commandprompt.com> writes:
> I'm not having much luck really.  I think the problem is that ANALYZE
> stores reltuples as the number of live tuples, so if you delete a big
> portion of a big table, then ANALYZE and then VACUUM, there's a huge
> misestimation and extra index cleanup passes happen, which is a bad
> thing.

Yeah ... so just go with a constant estimate of say 200 deletable tuples
per page?

            regards, tom lane