3 ms·

Tldr?

• HALtheWise 5y ago
  When a request hits the first server in the backend, it gets assigned a priority based on the service priority (i.e. wechat pay is prioritized over games) and a hash of the user's ID and the current date. When any service gets overloaded, it propagates a message to the other services that depends on it telling them to drop traffic below some threshold priority. That means the traffic gets dropped as early as possible, and the username hashing means people don't just keep refreshing until they can get through.
  • getcrunk 5y ago
    Oh wow. To both ur tldr and the method. Hmm gives me ... Many ideas