SUPPORTING DEDUPLICATION IN OBJECT STORAGE USING SUBSET HASHES
The present disclosure is related to methods, systems, and machine-readable media for supporting deduplication in object storage using subset hashes. A plurality of hashes of a plurality of blocks of a plurality of log segments can be received from a software defined data center, wherein each block...
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| creator | Austruy, Maxime Gao, Junlong Sokolinski, Ilia Gunturu, Vamsi Pudi, Satish Wang, Wenguang Languev, Ilya Vandrovec, Petr |
| description | The present disclosure is related to methods, systems, and machine-readable media for supporting deduplication in object storage using subset hashes. A plurality of hashes of a plurality of blocks of a plurality of log segments can be received from a software defined data center, wherein each block corresponds to a respective logical address. Each of the plurality of logical addresses can be associated with a respective sequentially-allocated chunk identifier in a logical map. A subset hash comprising a hash of a subset of the plurality of blocks can be determined that corresponds to a contiguous range of the plurality of logical addresses. A search of a hash map for the subset hash can be performed to determine if the subset hash is a duplicate. The subset of the plurality of blocks can be deduplicated responsive to a determination that the subset hash is a duplicate. |
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A plurality of hashes of a plurality of blocks of a plurality of log segments can be received from a software defined data center, wherein each block corresponds to a respective logical address. Each of the plurality of logical addresses can be associated with a respective sequentially-allocated chunk identifier in a logical map. A subset hash comprising a hash of a subset of the plurality of blocks can be determined that corresponds to a contiguous range of the plurality of logical addresses. A search of a hash map for the subset hash can be performed to determine if the subset hash is a duplicate. 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A plurality of hashes of a plurality of blocks of a plurality of log segments can be received from a software defined data center, wherein each block corresponds to a respective logical address. Each of the plurality of logical addresses can be associated with a respective sequentially-allocated chunk identifier in a logical map. A subset hash comprising a hash of a subset of the plurality of blocks can be determined that corresponds to a contiguous range of the plurality of logical addresses. A search of a hash map for the subset hash can be performed to determine if the subset hash is a duplicate. The subset of the plurality of blocks can be deduplicated responsive to a determination that the subset hash is a duplicate.</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLALDg0I8A8K8fRzV3BxdQkN8PF0dgzx9PdT8PRT8HfycnUOUQgO8Q9ydHdVCA0GqQoOdQp2DVHwcAz2cA3mYWBNS8wpTuWF0twMym6uIc4euqkF-fGpxQWJyal5qSXxocFGBkZGBpaG5mamjobGxKkCACsoK1g</recordid><startdate>20220324</startdate><enddate>20220324</enddate><creator>Austruy, Maxime</creator><creator>Gao, Junlong</creator><creator>Sokolinski, Ilia</creator><creator>Gunturu, Vamsi</creator><creator>Pudi, Satish</creator><creator>Wang, Wenguang</creator><creator>Languev, Ilya</creator><creator>Vandrovec, Petr</creator><scope>EVB</scope></search><sort><creationdate>20220324</creationdate><title>SUPPORTING DEDUPLICATION IN OBJECT STORAGE USING SUBSET HASHES</title><author>Austruy, Maxime ; Gao, Junlong ; Sokolinski, Ilia ; Gunturu, Vamsi ; Pudi, Satish ; Wang, Wenguang ; Languev, Ilya ; Vandrovec, Petr</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2022091765A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2022</creationdate><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>ELECTRIC DIGITAL DATA PROCESSING</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>Austruy, Maxime</creatorcontrib><creatorcontrib>Gao, Junlong</creatorcontrib><creatorcontrib>Sokolinski, Ilia</creatorcontrib><creatorcontrib>Gunturu, Vamsi</creatorcontrib><creatorcontrib>Pudi, Satish</creatorcontrib><creatorcontrib>Wang, Wenguang</creatorcontrib><creatorcontrib>Languev, Ilya</creatorcontrib><creatorcontrib>Vandrovec, Petr</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Austruy, Maxime</au><au>Gao, Junlong</au><au>Sokolinski, Ilia</au><au>Gunturu, Vamsi</au><au>Pudi, Satish</au><au>Wang, Wenguang</au><au>Languev, Ilya</au><au>Vandrovec, Petr</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SUPPORTING DEDUPLICATION IN OBJECT STORAGE USING SUBSET HASHES</title><date>2022-03-24</date><risdate>2022</risdate><abstract>The present disclosure is related to methods, systems, and machine-readable media for supporting deduplication in object storage using subset hashes. A plurality of hashes of a plurality of blocks of a plurality of log segments can be received from a software defined data center, wherein each block corresponds to a respective logical address. Each of the plurality of logical addresses can be associated with a respective sequentially-allocated chunk identifier in a logical map. A subset hash comprising a hash of a subset of the plurality of blocks can be determined that corresponds to a contiguous range of the plurality of logical addresses. A search of a hash map for the subset hash can be performed to determine if the subset hash is a duplicate. The subset of the plurality of blocks can be deduplicated responsive to a determination that the subset hash is a duplicate.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | SUPPORTING DEDUPLICATION IN OBJECT STORAGE USING SUBSET HASHES |
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