On Thu, May 21, 2020 at 11:15 AM Ranier Vilela <ranier.vf@gmail.com> wrote: > postgres=# set max_parallel_workers_per_gather = 0; > Time: 227238,445 ms (03:47,238) > postgres=# set max_parallel_workers_per_gather = 1; > Time: 138027,351 ms (02:18,027)
Ok, so it looks like NT/NTFS isn't suffering from this problem. Thanks for testing!
Maybe it wasn’t clear, the tests were done with your patch applied.