TallTed added a comment.
In T206560#7775800 <https://phabricator.wikimedia.org/T206560#7775800>, @Bugreporter wrote: > Query performance is an important point to consider - I found a query that will run one million time slower in one database engine than in another one Claims without evidence, such as that quoted above, are generally not helpful for evaluations such as this. It //would// be helpful to all if you would post the query you describe, as well as the details of your testing — such as which engine(s) you tested (including name and version), on which OS (including version), on what hardware (including processor, bitness, and RAM), whether the engine & data were in a "hot/warm" state or just past cold start, etc. Testing your query against current public endpoints and posting details of those results would also be helpful. TASK DETAIL https://phabricator.wikimedia.org/T206560 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: TallTed Cc: AWesterinen, CtrlZvi, Bugreporter, SirkoS, Eposthumus, Lectrician1, driib, Bovlb, Dr.uesenfieber, JohannesKalmbach, accounting_data_logger, Fnielsen, nguyenm9, AndySeaborne, BenAtOlive, YULdigitalpreservation, Iamamz3, namedgraph, Versant.2612, AndreasKuczera, DD063520, Michael, toan, Kjauslin, Hannah_Bast, RShigapov, Izno, KingsleyIdehen, Daniel_Mietchen, karapayneWMDE, MarioGom, Mohammed_Sadat_WMDE, Hjfocs, danshick-wmde, Thadguidry, Tpt, TallTed, Sj, Afandian, Justin0x2004, Jerven, TheKtk, Ivanhercaz, Jneubert, DanBri, Lydia_Pintscher, Tagishsimon, Samantha_Alipio_WMDE, Ostrzyciel, GreenReaper, WMDE-leszek, Salgo60, So9q, Krabina, Jecummings4, TomT0m, Akuckartz, Susannaanas, Addshore, Andrawaag, Gehel, Lucas_Werkmeister_WMDE, Aklapper, Smalyshev, Astuthiodit_1, BeautifulBold, Suran38, Invadibot, MPhamWMF, Jtm-lis, maantietaja, Peteosx1x, NavinRizwi, CBogen, ItamarWMDE, Isaacandy, Demian, Olson.jared.m, Nandana, Namenlos314, Lahi, Gq86, Bryandamon, GoranSMilovanovic, QZanden, EBjune, merbst, LawExplorer, _jensen, rosalieper, Scott_WUaS, Jonas, Xmlizer, Steko, Samwilson, PhotographerTom, suriyaa, Psychoslave, tosfos, jkroll, Wikidata-bugs, Jdouglas, aude, Tobias1984, Darenwelsh, Dinoguy1000, Manybubbles, brion, Mbch331, MarkAHershberger
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