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A comment on 300ms Faster: Reducing Wikipedia's Total Blocking Time. Parent comment

Re:300ms Faster: Reducing Wikipedia's Total Blocking Time by ryan_lane on Monday May 29, 2023 @09:23PM (#36120155)
Then you'd need to shard your cache on user agent, which would lead to considerably worse performance for everyone.
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Re:300ms Faster: Reducing Wikipedia's Total Blocking Time by manquer on Tuesday May 30, 2023 @05:03PM (#36130768)
Surely at the scale of Wikipedia that wouldn’t be a factor ?

considering the dominance of few browsers (chrome , safari on iOS) will most users notice any difference? The first one (with that UA) to the site with a new build will have they cache key warmed up ?

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Re:300ms Faster: Reducing Wikipedia's Total Blocking Time by ryan_lane on Tuesday May 30, 2023 @08:23PM (#36133010)
User-agent is way more granular than chrome, safari, firefox, etc. It's not a great shard key.
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