The system should have low latency: updates at the online processing server must reach the batch processing server quickly.
系统的滞后时间应较低：联机处理服务器上的更新必须快速到达批处理服务器。
The system should have low latency: updates at the online processing server must reach the batch processing server quickly.
系统的滞后时间应较低：联机处理服务器上的更新必须快速到达批处理服务器。
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