Re: BF client script runs src/test/modules TAP tests multiple times
Andrew Dunstan <andrew@dunslane.net>
From: Andrew Dunstan <andrew@dunslane.net>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers@lists.postgresql.org, Robert Haas <robertmhaas@gmail.com>
Date: 2026-04-08T13:23:43Z
Lists: pgsql-hackers
On 2026-04-08 We 1:00 AM, Tom Lane wrote: > I spent some more time poking into why my buildfarm animals seemed > to have gotten markedly slower in the past month or so. One > particular inflection point was the introduction of test_plan_advice. > We knew that would be expensive, since it invokes an extra run of > the core regression tests. On my animal indri, which can do > install-check-C in about 10 or 11 seconds, you'd have expected that > to add ten-ish seconds to the total cycle time. But it added more > than 30 seconds. Investigation shows that what you'd guess from > simple arithmetic is the truth: the BF client script is invoking > that test *three times*. Once from make_misc_check, once from > make_testmodules_install_check with locale "C", and once from > make_testmodules_install_check with locale "en_US.utf8", since > that animal is set up with > locales => [ 'C', 'en_US.UTF-8' ], > > I do not think we need this. We should apply the same policy to > src/test/modules as we do to contrib, namely that TAP tests are > run just once during the "make check" phase, not during the "make > installcheck" phases. I've applied the attached to my animals > and it makes for a significant drop in cycle time. > > (I've not looked into whether the meson side has a similar issue.) > > Ok, I will try to rationalize this. cheers andrew -- Andrew Dunstan EDB:https://www.enterprisedb.com