Stefan Kaltenbrunner <stefan@kaltenbrunner.cc> writes:
> Tom Lane wrote:
>> Or do you mean that you have stats_row_level and/or stats_block_level on
>> in all four cases?
> yes - stats_row_level and stats_block_level on in all cases (sorry for
> the confusion) - I can easily redo the tests without those - but that's
> what I had in the running conf and I only remember that after I was
> nearly done with all the testing :-)
It'd be interesting to compare 8.1 and HEAD for the no-overhead case;
I don't think you need to redo all four cases, but I'd like to see that one.
regards, tom lane