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Describe the proposal

EN:

Observability task: add IO interaction index statistics for service and application name mapping with metadata center for application
The relevant code is located in the registerServiceAppMapping method of the MetadataReport. The indicator item can refer to other indicator statistics (times, time, error, saturation) (usage, saturation, error rate) (Rate, Errors, Duration)
Code style refers to data interaction of metadata center

中文：
可观测性任务：为应用增加与元数据中心进行服务与应用名字映射的IO交互指标统计

相关代码位于MetadataReport的registerServiceAppMapping方法位置，指标项可以参考其他指标统计（次数，耗时、错误、饱和度）（使用率、、饱和度、错误率）（Rate、Errors、Duration）

代码风格参考元数据中心的数据交互