Why do electronic health cards always have too many visitors?

There is too much traffic.

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2. Server problem: Whether it is an enterprise or an individual, renting a server will be limited by the peak load. Once the capacity of the server is exceeded, the server will be paralyzed, the application will be suspended, and the website will be inaccessible. The server has a peak limit and cannot bear unlimited concurrency. The reason why the server is paralyzed is that in the same time period, the number of visits is large, which leads to a sudden surge in traffic, which is beyond the tolerance of the server.

3. Architecture problem: the function affects the "nucleic acid detection" service, indicating that the module may not be a micro-service architecture from interface to data call interaction.

4. Performance overload: In a typical performance overload scenario, whether the internal root cause is the bottleneck of the database or the bottleneck of the number of network links, the external cause is caused by overload.