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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
cc: Jeff Davis <pgsql@j-davis.com>, David Rowley <dgrowleyml@gmail.com>,
        Stephen Frost <sfrost@snowman.net>, Peter Geoghegan <pg@bowt.ie>,
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        Robert Haas <robertmhaas@gmail.com>,
        Justin Pryzby <pryzby@telsasoft.com>,
        Melanie Plageman <melanieplageman@gmail.com>,
        Tomas Vondra <tomas.vondra@2ndquadrant.com>,
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Subject: Re: Default setting for enable_hashagg_disk
In-reply-to: <20200713164736.GA25726@alvherre.pgsql>
References: <20200713164736.GA25726@alvherre.pgsql>
Comments: In-reply-to Alvaro Herrera <alvherre@2ndquadrant.com>
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Alvaro Herrera <alvherre@2ndquadrant.com> writes:
> I'm in favor of hash_mem_multiplier.  I think a >1 default is more
> sensible than =1 in the long run, but if strategic vote is what we're
> doing, then I support the =1 option.

FWIW, I also think that we'll eventually end up with >1 default.
But the evidence to support that isn't really there yet, so
I'm good with 1.0 default to start with.

			regards, tom lane