| From: | Justin Pryzby <pryzby(at)telsasoft(dot)com> |
|---|---|
| To: | Jeff Davis <pgsql(at)j-davis(dot)com> |
| Cc: | Peter Geoghegan <pg(at)bowt(dot)ie>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, David Rowley <dgrowleyml(at)gmail(dot)com>, Melanie Plageman <melanieplageman(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Default setting for enable_hashagg_disk (hash_mem) |
| Date: | 2020-07-07 05:02:39 |
| Message-ID: | 20200707050239.GE4107@telsasoft.com |
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| Lists: | pgsql-docs pgsql-hackers |
On Mon, Jul 06, 2020 at 09:57:08PM -0700, Jeff Davis wrote:
> > I think that we should offer something like hash_mem that can work as
> > a multiple of work_mem, for the reason that Justin mentioned
> > recently.
> > This can be justified as something that more or less maintains some
> > kind of continuity with the old design.
>
> Didn't Justin argue against using a multiplier?
> https://postgr.es/m/20200703024649.GJ4107@telsasoft.com
I recanted.
https://www.postgresql.org/message-id/20200703145620.GK4107@telsasoft.com
--
Justin
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