| Gehel added a comment. |
In T188413#4024380, @Smalyshev wrote:It probably covers both failed queries, and queries with negative response.
That's the thing - there's no case for Updater to look up URLs which would give negative response. It ever goes only to Wikidata (or whatever server is used to d/l updates) and if that fails, it's an error.
There is no nominal use case. There are error scenarios. Yes if the updater gets a negative response, it is because something outside of its control went wrong (broken DNS, broken configuration, broken network, ...). That does not mean that we should discount this scenario.
In the end, the difference between no negative cache and a small negative cache is small, so it does not matter much. The real issue is that it seems that we have an infinite negative cache and that's really wrong!
Cc: Smalyshev, Gehel, Aklapper, Lahi, Gq86, Darkminds3113, Lucas_Werkmeister_WMDE, GoranSMilovanovic, QZanden, EBjune, merbst, LawExplorer, Avner, Jonas, FloNight, Xmlizer, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, Manybubbles, Mbch331
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