缓冲池数据物理读数(以表空间页宽为单位定义)。

Buffer pool data physical reads (defined in units of tablespace page size).

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从Informix SYSCHUNKS系统表中读数据，并根据以下标准包括镜像块。

Read data from the Informix SYSCHUNKS system table and include mirror chunks according to this criteria.

youdao

我曾多次看到采集了表具读数，但很少有人去查看这些数据。

I have seen many times, where meter information is collected, but never looked at.

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