对于大型的测试数据存储，这将耗费大量的时间。
For a large test data store, this can take a number of hours.
快照支持存储一个特点时间的的数据副本。
Snapshotssupport storing a copy of data at a particular instant of time.
Memory：用于自真实存储器中读写数据的时间。
Memory: Time spent reading and writing data to and from real memory
Memory：用于自真实存储器中读写数据的时间。
Memory: Time spent reading and writing data to and from real memory
应用推荐