deduplication

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deduplication

(1) A method for compressing data by storing only changes to the original data. For example, when a document is created, it is stored as a regular, complete file. When changes are made, deduplication stores only the data that has been modified in a subsequent file with indexes to the original. The changes may be identified by bytes or blocks. See backup types.

(2) To remove duplicate records from a file or duplicate files in various storage locations.
References in periodicals archive ?
Examining performance improvements of the solution, the publication cited a number of enhancements, including a “400% improvement in throughput over previous versions, support for 10 Gbps local-area network (LAN) interfaces, and data read/write acceleration with multi-threaded data dedupe, parallel processing for read I/O and data throughput, multiple overlapped I/O and delta differencing.
Tim noted that "StorTrends had literally every single feature I was looking for: auto tiering, data dedupe and archiving, innovative data replication and WAN Optimization, a certified VMware plug-in - everything.