Re: Default setting for enable_hashagg_disk - Mailing list pgsql-hackers

From Stephen Frost
Subject Re: Default setting for enable_hashagg_disk
Date
Msg-id 20200710215201.GO12375@tamriel.snowman.net
Whole thread Raw
In response to Re: Default setting for enable_hashagg_disk  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Greetings,

* Tom Lane (tgl@sss.pgh.pa.us) wrote:
> 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.

I agree that it shouldn't exist.

Thanks,

Stephen

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