Inline learning-based selective deduplication for primary storage systems
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United States of America Patent
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Aug 25, 2015
Grant Date -
Dec 11, 2014
app pub date -
Jun 6, 2013
filing date -
Jun 6, 2013
priority date (Note) -
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Abstract
A computing device receives a plurality of writes; each write is comprised of chunks of data. The computing device records metrics associated with the deduplication of the chunks of data from the plurality of writes. The computing device generates groups based on associating each group with a portion of a range of the metrics, such that each of the chunks of data are associated with one of the groups, and a similar number of chunks of data are associated with each group. The computing device determines a deduplication affinity for each of the groups based on the chunks of data that are duplicates and at least one metric. The computing device sets a threshold for the deduplication affinity and in response to any of the groups exceeding the threshold, the computing device excluding the chunks of data associated with a group exceeding the threshold, from deduplication.
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