In-memory data compression complementary to host data compression
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United States of America Patent
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Dec 5, 2017
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N/A
app pub date -
Oct 29, 2015
filing date -
Oct 30, 2014
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Abstract
A storage infrastructure, device and associated method for storing compressed data is provided. Included is a method for compressing data on a storage device in a storage infrastructure, including: receiving a compressed extent from a host, wherein the compressed extent includes data compressed with entropy-coding-less data compression; receiving logical identification information about the compressed extent from the host; performing in-memory entropy encoding on the compressed extent to generate a compressed unit; storing the compressed unit in a physical memory; and in a case where the host is aware of the in-memory entropy encoding, reporting size information of the compressed unit back the host.
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