jijiki added a comment.
Looking at mc1035's behaviour after reimaging, it appears that its hit ratio reached 0.95 after ~10h, and it reached 28Mil items in ~13h. I think it is safe to say that we can reimage one memcached server in each DC every 12 hours. F33939723: image.png <https://phabricator.wikimedia.org/F33939723> F33939725: image.png <https://phabricator.wikimedia.org/F33939725> TASK DETAIL https://phabricator.wikimedia.org/T213089 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: jijiki Cc: Ladsgroup, Krenair, elukey, jijiki, faidon, Paladox, Aklapper, Krinkle, aaron, Joe, MoritzMuehlenhoff, Devnull, lmata, wkandek, JMeybohm, Muchiri124, Alter-paule, Beast1978, Un1tY, Akuckartz, Hook696, WDoranWMF, Kent7301, holger.knust, EvanProdromou, joker88john, Legado_Shulgin, CucyNoiD, Nandana, Gaboe420, Jony, Giuliamocci, Davinaclare77, Qtn1293, Cpaulf30, Techguru.pc, Lahi, Gq86, Af420, Bsandipan, GoranSMilovanovic, Th3d3v1ls, Hfbn0, QZanden, LawExplorer, Vali.matei, Lewizho99, Zppix, Maathavan, _jensen, rosalieper, Agabi10, Scott_WUaS, Pchelolo, Wong128hk, Wikidata-bugs, aude, Mbch331, Rxy, Jay8g, fgiunchedi, Dzahn
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