Twitter is another example of a very simplistic application that does exactly what it was designed to do -- no more, no less – and is all the better for it.

Twitter 再一次演示了一个简单性应用程序，它只完成设计中提供的功能 —— 不多不少 —— 这就是它的魅力。

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In particular if it is not coordinated with the demands of the consuming application, data might be frequently refreshed in the target without being consumed, thus using the resource less efficiently.

特别是当它与使用数据的应用程序的需求不一致时，可能会在目标中频繁地刷新数据，而没有真正地使用数据，从而降低了资源的使用效率。

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Typically, an application is load tested less frequently than it is run on the system test environment.

与运行在系统测试环境中相比，应用程序进行负载测试的频次更少。

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Today, it is more widely appreciated that by moving an application to the cloud, less people are needed to rack and stack technology, demand for servers decrease, the need for cooling and power generation decreases as well, to take three prominent examples of costs savings.

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If a business critical application is running, take bandwidth from less important processes to support it.

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