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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: Andrew Dunstan <andrew@dunslane.net>
Cc: Erikjan Rijkers <er@xs4all.nl>
Cc: Himanshu Upadhyaya <upadhyaya.himanshu@gmail.com>
Cc: Julien Rouhaud <rjuju123@gmail.com>
Cc: Nikita Glukhov <n.gluhov@postgrespro.ru>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Cc: Pavel Stehule <pavel.stehule@gmail.com>
Cc: Dmitry Dolgov <9erthalion6@gmail.com>
Cc: Oleg Bartunov <obartunov@gmail.com>
Subject: Re: SQL/JSON: JSON_TABLE
Date: Tue, 05 Apr 2022 23:22:23 -0400
Message-ID: <2971844.1649215343@sss.pgh.pa.us> (raw)
In-Reply-To: <20220406022118.3ocqvhxr6kciw5am@alap3.anarazel.de>
References: <20220118063213.a2oyiy3qboyv32aj@jrouhaud>
	<194755c5-3450-b746-4462-233f241203ce@dunslane.net>
	<9e28ea54-e487-039e-28ee-0efd04a60ef9@dunslane.net>
	<CAPF61jDjaUx58qzjZT_C4X5_UP7sADtH+mfXuWimtmrjR+0HAA@mail.gmail.com>
	<5b237456-20f0-632a-c8d1-ce8ad9f47999@dunslane.net>
	<d5f0fc28-b3fd-a512-8e06-836fe9fb2117@xs4all.nl>
	<7675f582-3550-a0c6-7e6d-2febfe47bc0a@dunslane.net>
	<bbf93f05-3cc8-1efa-c08e-ec441812db52@dunslane.net>
	<c9a128c6-5ea6-0494-f281-39026fbe09eb@dunslane.net>
	<cb6ce329-2899-9a2c-80d9-62284f2e570f@dunslane.net>
	<20220406022118.3ocqvhxr6kciw5am@alap3.anarazel.de>

Andres Freund <andres@anarazel.de> writes:
> The new jsonb_sqljson test is, on my machine, the slowest test in the main
> regression tests:
> ...
> Any chance the slowness isn't required slowness?

In general, there's been a serious bump in the buildfarm cycle
time in the last month --- for example, on my admittedly slow
animal prairiedog, the cycle time excluding the "make" phase
(which is really variable because ccache) has gone from about
4:26 a month ago to 5:25 in its last run.

I don't want to worry about this before feature freeze, but after that
we should take a hard look at cutting out unnecessary test cycles.

			regards, tom lane





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