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METHOD OF EFFICIENTLY MIGRATING DATA FROM ONE TIER TO ANOTHER WITH SUSPEND AND RESUME CAPABILITY
METHOD OF EFFICIENTLY MIGRATING DATA FROM ONE TIER TO ANOTHER WITH SUSPEND AND RESUME CAPABILITY
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机译：一种具有挂起和恢复功能的将数据有效地从一个层级迁移到另一个层级的方法
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摘要
In an embodiment, a system and method for supporting a seeding process with suspend and resume capabilities are described. A resumable seeding component in a data seeding module can be used to move data from a source tier to a target tier. A resumption context including a perfect hash function (PHF) and a perfect hash vector (PHV) persists a state of a seeding process at the end of each operation in the seeding process. The PHV represents data segments of the data using the PHF. The resumption context is loaded into memory upon resumption of the seeding process after it is suspended. Information in the resumable context is used to determine a last successfully completed operation, and a last copied container. The seeding process is resumed by executing an operation following the completed operation in the resumable context.
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