部分关于应用程序的伸缩性的问题可以从创建限定框过滤器时需要计算的词汇量找到答案。
For scaling, some of the question is answered by how many terms need to be enumerated when the bounding-box filter is created.
Data Capture and Delivery组件提供了一个框架来规范化、过滤、整理和总结这些数据，去掉无关的数据或是压缩数据量来减轻带宽和服务器负载。
Data Capture and Delivery provides a framework to normalize, filter, smooth, and summarize the data, eliminating extraneous data or compressing the data volume to reduce the bandwidth and server load.
使用率提供的也是使用和不使用网站搜索的访问量百分比，但是二级菜单中有更多的选项可供过滤数据。
Usage also provides you with the percentage of visits with and without site search, but you have more options to filter your data through secondary dimension.
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