The Chunks tab provides information on the device holding the space, total space (number of pages and megabytes used), available free space, and the percentage of the space used.
Chunk 选项卡提供有关存放此空间的设备、总空间（使用的页面数和兆字节数）、可用空闲空间以及已用空间百分比的信息。
The number shown is the total number of buffer pool pages that are allocated for the database. For example, let's say we have the following buffer pools
所显示的数目就是分配给数据库的缓冲池页面的总数目。
NPAGESF (see number 3 in Figure 5) : Total number of pages on which rows of this table appear.
NPAGESF(见图5中3)：显示了此表行所占的总页数。
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