Method of and system for adaptive selection of a deduplication chunking technique
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United States of America Patent
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Apr 14, 2009
Grant Date -
N/A
app pub date -
Mar 31, 2008
filing date -
Mar 31, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of adaptively selecting an optimum data deduplication chunking method receives a request to deduplicate a file, wherein the file has a file type. The method searches a table of file types, wherein the table includes, for each file type, a chunking method, a deduplication ratio, and a depulication ratio threshold. The method selects a chunking method for the file according to the table. The method chunks the file using the selected chunking method. The method deduplicates the chunked file according to prior art deduplication methods. The method calculates a deduplication ratio for the file type and updates the table with the calculated deduplication ratio for the file type. If the calculated deduplication ratio for the file type is less than the deduplication ratio threshold for the file type, the method selects a new chunking method for the file type and updates the table of file types with the new chunking method for the file type.
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