Reducing digest storage consumption by tracking similarity elements in a data deduplication system

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United States of America Patent

PATENT NO 9116941
APP PUB NO 20140279954A1
SERIAL NO

13840438

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Abstract

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For reducing digests storage consumption in a data deduplication system using a processor device in a computing environment, input data is partitioned into chunks, and the chunks are grouped into chunk sets. Digests are calculated for input data and stored in sets corresponding to the chunk sets. Similarity elements are calculated for the input data and the similarity elements are stored in a similarity search structure. The number of similarity elements associated with a chunk set which are currently contained in the similarity search structure is maintained for each chunk set, and when this number of a specific chunk set becomes lower than a threshold, the digests set associated with that chunk set are removed from the repository.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aronovich, Lior Toronto, CA 182 1612

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