这个数据库按指定的时间间隔自动地捕捉相同的数据(由Collector任务执行)，这有助于进行历史趋势分析。
This database captures the same data automatically on a scheduled interval (performed by the Collector task) and is helpful when performing historical trend analysis.
一些工具支持快速诊断性能问题，而另一些工具则捕获历史趋势和分析数据。
Some of the tools allow you to troubleshoot a performance problem quickly while others capture data for historical trending and analysis.
这些标志可帮助您动态地收集信息，但我不会依赖其确定历史趋势和进行分析。
These can help you gather information on the fly, but I wouldn't rely on them for historical trending and analysis.
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