David,
> I understand that the sort_mem conf setting affects queries with order by,
> etc., and the doc mentions that it is used in create index. Does sort_mem
> affect the updating of indexes, i.e., can the sort_mem setting affect the
> performance of inserts?
Only if the table has Foriegn Keys whose lookup might require a large sort.
Otherwise, no.
--
--Josh
Josh Berkus
Aglio Database Solutions
San Francisco