Re: Cirrus-ci is lowering free CI cycles - what to do with cfbot, etc?

From: Andres Freund <andres(at)anarazel(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Daniel Gustafsson <daniel(at)yesql(dot)se>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Nazir Bilal Yavuz <byavuz81(at)gmail(dot)com>
Subject: Re: Cirrus-ci is lowering free CI cycles - what to do with cfbot, etc?
Date: 2023-08-23 22:56:30
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On 2023-08-23 18:32:26 -0400, Tom Lane wrote:
> Andres Freund <andres(at)anarazel(dot)de> writes:
> > There are other potential uses for libpq in pg_regress though - I'd e.g. like
> > to have a "monitoring" session open, which we could use to detect that the
> > server crashed (by waiting for the FD to be become invalid). Where the
> > connection default issue could matter more?
> Meh. I don't find that idea compelling enough to justify adding
> restrictions on what test scenarios will work. It's seldom hard to
> tell from the test output whether the server crashed.

I find it pretty painful to wade through a several-megabyte regression.diffs
to find the cause of a crash. I think we ought to use
restart_after_crash=false, since after a crash there's no hope for the tests
to succeed, but even in that case, we end up with a lot of pointless contents
in regression.diffs. If we instead realized that we shouldn't start further
tests, we'd limit that by a fair bit.


Andres Freund

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