Todd McKinney考虑得很周全。 他在评论里写道:"绝大多数数据现在还不能算是储存在云里,因为它们只是在某单个公司的服务器里而已。"
Yet one of the most thoughtful comments came from Todd McKinney who noted that "most things today aren't really in the cloud so much as they are a copy on a single company's server."
或者以超出计划却未充分利用服务系统而告终,或者是计划不够周全以至应用系统在尖峰负荷下崩溃——而这不是我们希望的。
Either we end up over-planning and have underutilized servers, or we under-plan and find our applications crashing at peak load — when we least want them to crash.
既然认识到了在确定服务粒度时需要考虑周全,那么在确定哪些操作应组成服务时有什么注意事项呢?
Having established that we need to be thoughtful when determining service granularity, what considerations apply in deciding which operations should constitute a service?
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