由于分散的数据数量庞大，因此及时定位特定信息块可能会成为严峻的挑战。

With mounting quantities of data lying scattered, the challenge of locating certain pieces of information in a timely manner can be a scaling issue.

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你必须非常小心地定位光标，这将会分散你在滚动的数据上的注意力。

You must position the mouse cursor with great care, taking your attention away from the data you are scrolling.

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由于集群文件系统的文件数据分散存储在各个结点上，文件的定位需要借助元数据来完成，元数据的管理成为管理数据的一个关键。

Owing to the file data spreading around the cluster, locating a file needs the help of metadata, so managing metadata becomes a key of managing data.

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