Peter Geoghegan <pg@bowt.ie> writes:
> It now seems likely that the hash_mem/hash_mem_multiplier proposal has
> the support it needs to get into Postgres 13. Assuming that the
> proposal doesn't lose momentum, then it's about time to return to the
> original question you posed at the start of the thread:
> What should we do with the hashagg_avoid_disk_plan GUC (formerly known
> as the enable_hashagg_disk GUC), if anything?
> I myself think that there is a case to be made for removing it
> entirely.
+0.5 or so for removing it. It seems too confusing and dubiously
useful.
regards, tom lane