> freshness (on the timescale of minutes or hours) is almost worthless.
On the contrary, users get very angry if stuff isn't fresh.
Someone changes trump article to say he is a poopy head. If that gets fixed in 2 seconds, no big deal. If that gets cached, and the edit to fix it doesnt hit the caches for a couple hours, wikipedia is now the top story on CNN.
Generally wikipedia caches are expected to be updated within seconds or minutes at most.
On the contrary, users get very angry if stuff isn't fresh.
Someone changes trump article to say he is a poopy head. If that gets fixed in 2 seconds, no big deal. If that gets cached, and the edit to fix it doesnt hit the caches for a couple hours, wikipedia is now the top story on CNN.
Generally wikipedia caches are expected to be updated within seconds or minutes at most.