hoo added a comment.
I collected some data about the parser cache sizes of the ruwiki pages with the most hits this month (as per stats.wikimedia.org <https://stats.wikimedia.org/v2/#/ru.wikipedia.org/reading/top-viewed-articles/normal%7C%7C2019-10-01~2019-11-01%7C~total%7C>). With that I found that currently, for all of these articles: 1. The average PC size is 103986.95 2. The median PC size is 73419.5 3. The minimum PC size is 13313 4. The maximum PC size is 399637 For that I took the ParserCache objects, serialized and `gzdeflate`d them, like SqlBagOStuff does. I also looked into using `gzcompress` with level 9, like MemcachedClient does, but that doesn't seem to have much of an impact. With this data as baseline we can roughly estimate the impact this will have on highly visited pages. The scripts I used can be found in P9535 <https://phabricator.wikimedia.org/P9535>. TASK DETAIL https://phabricator.wikimedia.org/T236749 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: hoo Cc: Aklapper, hoo, Iflorez, darthmon_wmde, alaa_wmde, DannyS712, Nandana, Lahi, Gq86, Darkminds3113, GoranSMilovanovic, QZanden, LawExplorer, Vali.matei, _jensen, rosalieper, Scott_WUaS, Jonas, Volker_E, Wikidata-bugs, aude, GWicke, Dinoguy1000, Lydia_Pintscher, Mbch331, Jay8g
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