Horton

Re: Time to increase hash_mem_multiplier default?

Peter Geoghegan <pg@bowt.ie>

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From: Peter Geoghegan <pg@bowt.ie>
To: John Naylor <john.naylor@enterprisedb.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-02-15T06:32:43Z
Lists: pgsql-hackers 
On Wed, Jan 19, 2022 at 11:32 AM John Naylor
<john.naylor@enterprisedb.com> wrote:
> I don't have anything really profound to say here, but in the last
> year I did on a couple occasions recommend clients to raise
> hash_mem_multiplier to 2.0 to fix performance problems.

I would like to push ahead with an increase in the default for
Postgres 15, to 2.0.

Any objections to that plan?

-- 
Peter Geoghegan

Commits

  1. Increase hash_mem_multiplier default to 2.0.