brennen added a comment.
A handful of responses:
1. Deployers have no way to know in the moment that something is only a
deprecation warning with no other consequences. If a warning isn't material to
production health, it should probably either be labeled in a way that makes
that extremely clear, or be sent to some channel that isn't surfaced where
deployers are looking for signs of production breakage.
1a. What is obvious to MediaWiki developers is frequently not obvious to
train deployers. We aren't MediaWiki developers.
2. If there's ever a conversation about whether something might become a
train blocker, RelEng would greatly appreciate if we were looped into the
discussion by having it surfaced on the blocker task. Please see
Deployments/Risky change template
<https://wikitech.wikimedia.org/wiki/Deployments/Risky_change_template>. We can
and will improve our documentation about this. (See T273802
<https://phabricator.wikimedia.org/T273802>.)
3. It is undeniably true that we sometimes halt the train on things which are
"only" logspam. Partly this is because it's hard for us to tell the difference
without developer input. Partly this is because halting the train is the only
way we can get enough of them fixed to keep production logspam down to
tolerable levels. If you think this is a broken system, you are probably
right, but please remember that our incentives include maintaining a viable
signal about production health week over week and month over month. A process
which is currently manual in the extreme, and centralized on our team. We're
working on changing that, but it's a hard problem.
TASK DETAIL
https://phabricator.wikimedia.org/T277362
EMAIL PREFERENCES
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To: Ladsgroup, brennen
Cc: thcipriani, dancy, Legoktm, RhinosF1, brennen, Lucas_Werkmeister_WMDE,
Ladsgroup, Addshore, hoo, daniel, WMDE-leszek, toan, Aklapper, maantietaja,
Hazizibinmahdi, Akuckartz, Iflorez, alaa_wmde, Nandana, Lahi, Gq86,
GoranSMilovanovic, QZanden, LawExplorer, _jensen, rosalieper, Scott_WUaS,
Jonas, abian, Wikidata-bugs, aude, Lydia_Pintscher, Mbch331
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