它的做法是从服务深入到应用程序组件和IT资源，以确定瓶颈或故障的来源。
IT does so by drilling down from the services to application components and to IT resources to identify the source of bottleneck or failure.
有了应用程序故障转移，任何未处理的请求(来自任何来源)将在代理主服务器上被处理。
With application failover, any unprocessed requests (from any source) will be processed on the acting primary server.
历史数据库系统作为分布式监测诊断系统的一个重要组成部分，为故障诊断、工况分析提供信号来源。
As an important part of a distributed monitoring and diagnosis system, history database system is the signal sources of the fault diagnosis and condition analysis.
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