On Fri, Feb 9, 2018 at 1:05 PM, Claudio Freire <klaussfreire@gmail.com> wrote:
> Turns out that it was a tad oversized. 300k tuples seems enough.
>
> Attached is a new patch version that:
>
> - Uses an unlogged table to make the large mwm test faster
> - Uses a wait_barrier helper that waits for concurrent transactions
> to finish before vacuuming tables, to make sure deleted tuples
> actually are vacuumable
> - Tweaks the size of the large mwm test to be as small as possible
> - Optimizes the delete to avoid expensive operations yet attain
> the same end result
Attached rebased versions of the patches (they weren't applying to
current master)