Re: Reducing the runtime of the core regression tests

From: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Reducing the runtime of the core regression tests
Date: 2019-04-11 04:54:09
Message-ID: CAKJS1f9OvUUq787SXRUADJ6o6Y66U2ofQyqTzOQVm_+ZKT1Pag@mail.gmail.com
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On Thu, 11 Apr 2019 at 16:44, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> writes:
> > I was surprised to see nothing mentioned about attempting to roughly
> > sort the test order in each parallel group according to their runtime.
>
> I'm confused about what you have in mind here? I'm pretty sure pg_regress
> launches all the scripts in a group at the same time, so that just
> rearranging the order they're listed in on the schedule line shouldn't
> make any noticeable difference.

I probably have looked closer to how that is handled. If they're all
launched at once then there's no point to what I mentioned. Please
disregard.

--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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