On Mon, Apr 5, 2021 at 5:00 PM Andres Freund <and...@anarazel.de> wrote: > What do you mean with "appear to work"? Isn't, in 13, the only > consequence of vac_strategy not being "propagated" that we'll not use a > strategy in parallel workers? Presumably that was hard to notice > because most people don't run manual VACUUM with cost limits turned > on. And autovacuum doesn't use parallelism.
Oh yeah. "static BufferAccessStrategy vac_strategy" is guaranteed to be initialized to 0, simply because it's static and global. That explains it. -- Peter Geoghegan