The time interval can be set from a little as two minutes to up to the whole data set.
可以设置时间间隔,小到两分钟,大到整个数据集。
The snapshot contains a set of data regarding the program state and measurement information accumulated up to a specific point of time.
快照包含一组关于积累到一个具体时刻的程序状态和量度信息的数据。
The worst time to find out that there is something missing in your set up for disaster recovery is when you need to start up the disaster data center because of some disaster.
最糟糕的情况是,由于灾难而需要启动灾难数据中心时,却发现在灾难恢复中未设置某些项目。
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