Vgutierrez added a comment.
I find this pretty worrisome for the following reasons: 1. right now we have one remap rule that catches all the requests handled by appservers-rw. This means that ATS only tracks one counter of server connection retries for all the sites handled by appservers-rw.discovery.wmnet, wikipedia, wikidata, wikivoyage. 2. if one mw server behind appservers-rw.discovery.wmnet misbehaves and triggers enough BAD_INCOMING_RESPONSE errors, it could trigger ATS to mark appservers-rw.discovery.wmnet as down 3. At that point that ats-be instance would return 5xx (502/504) for every request that otherwise would be handled by appservers-rw.discovery.wmnet TASK DETAIL https://phabricator.wikimedia.org/T237319 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: Vgutierrez Cc: Vgutierrez, ema, Nikerabbit, DannyS712, Aklapper, darthmon_wmde, abi_, Legado_Shulgin, Nandana, Davinaclare77, Qtn1293, Techguru.pc, Lahi, Gq86, GoranSMilovanovic, Th3d3v1ls, Hfbn0, QZanden, LawExplorer, Zppix, _jensen, rosalieper, Taiwania_Justo, Scott_WUaS, Wong128hk, Wikidata-bugs, aude, faidon, KartikMistry, Mbch331, Rxy, Jay8g, fgiunchedi
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