Items tagged redis, friends in 2010
Filters: Year: 2010 × redis × friends × Sorted by date
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Redis in Practice: Who’s Online? Using Redis to implement a “which of your friends are online now” feature, by maintaining a set of active user IDs for every minute, then intersecting the past five minutes of user IDs with a set containing the IDs of your friends. # 14th February 2010, 5:17 pm