didadida 封 kayaker 在 Military 版 (转载)# Joke - 肚皮舞运动
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Design and code a system that can accept millions of events in real time and
report the number of events for the last 10 minutes (sliding window). The
system has to account for performance and concurrency.
report the number of events for the last 10 minutes (sliding window). The
system has to account for performance and concurrency.