Michael added a comment.
In T344362#9235624 <https://phabricator.wikimedia.org/T344362#9235624>, @Lucas_Werkmeister_WMDE wrote: > Quoting from the commit message of the change linked above: > >> Judging by some local testing, this should //not// effectively clear the parser cache: as far as I can tell, parser cache contents from before this code is deployed are still used for desktop page views afterwards (and the “Saved in parser cache” HTML comment indicates a cache key without `wbMobile`), but as soon as a mobile page view comes in, it removes the old parser cache content and adds one with `wbMobile=1`; the next desktop page view then generates a parser content with `wbMobile=0`. > > I just tested this on mwdebug2002 in production and it behaved the same way there. I put the details in P52867 <https://phabricator.wikimedia.org/P52867>, but basically, on items properties and lexemes, the desktop page views continued to serve the old parser cache content until I made a mobile request, at which point both desktop and mobile page views started to respond with new parser cache entries that had `wbMobile` in the key. > > Of course, this only tests the application-level cache; the HTTP-level cache can’t be tested with mwdebug. Thank you! But looking at the details, I just realized that there might be a step missing. Did we make sure that Items and Properties did have a mobile parsercache (with mobile Termbox) before deploying the change? If not, then there would be no surprise about it being regenerated. TASK DETAIL https://phabricator.wikimedia.org/T344362 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: Lucas_Werkmeister_WMDE, Michael Cc: VIGNERON, karapayneWMDE, Thadguidry, Lydia_Pintscher, Mohammed_Sadat_WMDE, Aklapper, Ankry, Lucas_Werkmeister_WMDE, Ijon, Michael, Danny_Benjafield_WMDE, Isabelladantes1983, Themindcoder, Adamm71, Jersione, Hellket777, LisafBia6531, Astuthiodit_1, 786, Biggs657, Invadibot, maantietaja, Juan90264, Alter-paule, Beast1978, ItamarWMDE, Un1tY, Akuckartz, Hook696, Kent7301, joker88john, CucyNoiD, Nandana, Gaboe420, Giuliamocci, Cpaulf30, Lahi, Gq86, Af420, Bsandipan, GoranSMilovanovic, Mahir256, QZanden, LawExplorer, Lewizho99, Maathavan, _jensen, rosalieper, Neuronton, Scott_WUaS, Wikidata-bugs, aude, Mbch331
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