| 摘要 |
A method of tracking changes to stored data is disclosed. The method comprises receiving, subsequent to a prior backup operation being performed, a request to write to a stored object and ensuring that an identifier associated with the stored object is included in a stored set of identifiers, wherein each identifier in the set is associated with a stored object that has been added or modified subsequent to the prior backup operation being performed. The method further comprises including the stored object in a subsequent incremental backup operation based at least in part on the presence of the identifier in the set.
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