Re: How about a psql backslash command to show GUCs?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>
Cc: Christoph Berg <myon(at)debian(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Joe Conway <mail(at)joeconway(dot)com>, Mark Dilger <mark(dot)dilger(at)enterprisedb(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, David Rowley <dgrowleyml(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: How about a psql backslash command to show GUCs?
Date: 2022-06-08 02:57:37
Message-ID: 1478411.1654657057@sss.pgh.pa.us
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"Jonathan S. Katz" <jkatz(at)postgresql(dot)org> writes:
> I don't know how frequently issues around "max_stack_depth" being too
> small are reported -- I'd be curious to know that -- but I don't have
> any strong arguments against allowing the behavior you describe based on
> our current docs.

I can't recall any recent gripes on our own lists, but the issue was
top-of-mind for me after discovering that NetBSD defaults "ulimit -s"
to 2MB on at least some platforms. That would leave us setting
max_stack_depth to something less than that, probably about 1.5MB.

regards, tom lane

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