On Fri, June 13, 2008 7:05 pm, Tom Lane wrote: > How soon is "bang"? I'll run it again and post back. > The memory overhead per subtransaction is > not zero, though I think it's fairly small if you don't have any > triggers pending as a result of the insert. Two triggers are fired for each insert (before and after trigs). > (Hm ... any foreign keys on the table being inserted into?) Not on the table being inserted into, but it has a couple of tables with foreign keys referencing it.