1,寒暄5分钟
2, System design
考点主要是我根据面试官反应总结的
a) there is music app and a load balancing server, the LB server forwards the music uploading (write) request to 100 database server by the consistent hashing strategry, and the each server can store the same anount of music, Q: List the bottleneck and issues of this design.
1, google doc那道题的变种
2,主要就是答least connection balance, consis on the backed system when the app is going to launched in international areas.
1, data shard
2, 在其他地方建数据中心
coding:
是这道题:
楼主第二问的时候自己写BFS方向的时候,写了一个typo, 然后debug了10+分钟,最后一秒才找出bug.
求大米 求大米 求大米
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