(Figure (1)
Description of the drawings: All core businesses are managed by a single server at any time. During the peak period of data management, due to the low server configuration, the single server is overwhelmed and the management speed is slow, which may easily cause service stagnation; If data is placed on a single-server hard drive, once the server fails, there is a risk of total data loss. (Please contact the author to modify the plan))
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