The snapshot monitor tool is a powerful but simple monitoring tool that incurs very little overhead.
快照监控器是一个功能强大但简单的监控工具，开销非常少。
Within each database, the snapshot monitor collects information based on the functional group levels shown in Table 3.
在每个数据库中，快照监控器基于表3中所示的功能组层次收集信息。
You will find that DB2 9 offers new buffer pool snapshot monitor elements for XML data that match the existing counters for relational data and indexes.
您将发现，与用于关系数据和索引的已有的计数器相对应，DB 2 9为XML数据提供了新的缓冲池快照监视器元素。
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