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> huge lag between edits and public visibility of said edits from a non-logged-in browser

As the saying goes, "there are 2 great unsolved problems in computer science:, naming objects, cache invalidation, and off by one errors."

In case you haven't noticed, to reduce server pressure, a logged-in user sees comments in real time, but a guest only sees the cached version of the page that only updates slowly. When Hacker News sees an explosive amount of traffic, logging out is a way to help. The last time it happened was when Donald Trump was elected.



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