{"id":"https://openalex.org/W4408867919","doi":"https://doi.org/10.1145/3689031.3717493","title":"Garbage Collection Does Not Only Collect Garbage: Piggybacking-Style Defragmentation for Deduplicated Backup Storage","display_name":"Garbage Collection Does Not Only Collect Garbage: Piggybacking-Style Defragmentation for Deduplicated Backup Storage","publication_year":2025,"publication_date":"2025-03-26","ids":{"openalex":"https://openalex.org/W4408867919","doi":"https://doi.org/10.1145/3689031.3717493"},"language":"en","primary_location":{"id":"doi:10.1145/3689031.3717493","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3689031.3717493","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Twentieth European Conference on Computer Systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5038685533","display_name":"Dingbang Liu","orcid":"https://orcid.org/0009-0007-9702-6678"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Dingbang Liu","raw_affiliation_strings":["Harbin Institute of Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Harbin Institute of Technology, Shenzhen, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021153181","display_name":"Xiangyu Zou","orcid":"https://orcid.org/0000-0001-5104-8301"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiangyu Zou","raw_affiliation_strings":["Harbin Institute of Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Harbin Institute of Technology, Shenzhen, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101463329","display_name":"Tao L\u00fc","orcid":"https://orcid.org/0000-0003-2362-2446"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tao Lu","raw_affiliation_strings":["DapuStor, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"DapuStor, Shenzhen, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091766663","display_name":"Philip Shilane","orcid":"https://orcid.org/0000-0003-1235-0502"},"institutions":[{"id":"https://openalex.org/I111088046","display_name":"Boston University","ror":"https://ror.org/05qwgg493","country_code":"US","type":"education","lineage":["https://openalex.org/I111088046"]},{"id":"https://openalex.org/I4210149435","display_name":"DELL (United States)","ror":"https://ror.org/05rejmm18","country_code":"US","type":"company","lineage":["https://openalex.org/I4210149435"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Philip Shilane","raw_affiliation_strings":["Dell Technologies, Boston, USA"],"affiliations":[{"raw_affiliation_string":"Dell Technologies, Boston, USA","institution_ids":["https://openalex.org/I4210149435","https://openalex.org/I111088046"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050928208","display_name":"Wen Xia","orcid":"https://orcid.org/0000-0003-4093-6391"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wen Xia","raw_affiliation_strings":["Harbin Institute of Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Harbin Institute of Technology, Shenzhen, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103430235","display_name":"W.X. Huang","orcid":"https://orcid.org/0009-0005-9410-3493"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenxuan Huang","raw_affiliation_strings":["Harbin Institute of Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Harbin Institute of Technology, Shenzhen, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059296415","display_name":"Yanqi Pan","orcid":"https://orcid.org/0009-0007-7832-0599"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanqi Pan","raw_affiliation_strings":["Harbin Institute of Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Harbin Institute of Technology, Shenzhen, China","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040222797","display_name":"Hao Huang","orcid":"https://orcid.org/0009-0009-0826-571X"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Huang","raw_affiliation_strings":["Harbin Institute of Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Harbin Institute of Technology, Shenzhen, China","institution_ids":["https://openalex.org/I204983213"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5038685533"],"corresponding_institution_ids":["https://openalex.org/I204983213"],"apc_list":null,"apc_paid":null,"fwci":1.0082,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.74481745,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1026","last_page":"1043"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12017","display_name":"Recycling and Waste Management Techniques","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12017","display_name":"Recycling and Waste Management Techniques","score":0.9926999807357788,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/garbage-collection","display_name":"Garbage collection","score":0.7947297692298889},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7871193885803223},{"id":"https://openalex.org/keywords/backup","display_name":"Backup","score":0.7096014022827148},{"id":"https://openalex.org/keywords/garbage","display_name":"Garbage","score":0.4507550597190857},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.37348121404647827},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3696761131286621},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.3372412621974945},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.3213930130004883},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.0801834762096405}],"concepts":[{"id":"https://openalex.org/C105122174","wikidata":"https://www.wikidata.org/wiki/Q322202","display_name":"Garbage collection","level":3,"score":0.7947297692298889},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7871193885803223},{"id":"https://openalex.org/C2780945871","wikidata":"https://www.wikidata.org/wiki/Q194274","display_name":"Backup","level":2,"score":0.7096014022827148},{"id":"https://openalex.org/C75403996","wikidata":"https://www.wikidata.org/wiki/Q5521979","display_name":"Garbage","level":2,"score":0.4507550597190857},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.37348121404647827},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3696761131286621},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.3372412621974945},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.3213930130004883},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0801834762096405}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3689031.3717493","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3689031.3717493","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Twentieth European Conference on Computer Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5799999833106995,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W22807665","https://openalex.org/W120798314","https://openalex.org/W1418704970","https://openalex.org/W2010150514","https://openalex.org/W2073053905","https://openalex.org/W2110322986","https://openalex.org/W2111238480","https://openalex.org/W2475932436","https://openalex.org/W2724102421","https://openalex.org/W2751343396","https://openalex.org/W2810972659","https://openalex.org/W2892122712","https://openalex.org/W2986445348","https://openalex.org/W3022503884","https://openalex.org/W3023701944","https://openalex.org/W3202721467","https://openalex.org/W3204993223","https://openalex.org/W4220848902","https://openalex.org/W4312554896","https://openalex.org/W4312996182","https://openalex.org/W4313040836","https://openalex.org/W4385324310","https://openalex.org/W4391360785","https://openalex.org/W4391594328","https://openalex.org/W4392824973","https://openalex.org/W4396904087","https://openalex.org/W4401070642","https://openalex.org/W4401726194","https://openalex.org/W4405022616"],"related_works":["https://openalex.org/W2132258996","https://openalex.org/W2245694847","https://openalex.org/W4381304378","https://openalex.org/W2188602196","https://openalex.org/W3174776489","https://openalex.org/W1700460898","https://openalex.org/W4387773637","https://openalex.org/W2808342711","https://openalex.org/W2034669405","https://openalex.org/W2785868435"],"abstract_inverted_index":{"Deduplication":[0],"is":[1],"widely":[2],"used":[3],"in":[4],"backup":[5,27,35],"storage":[6,9],"and":[7],"reduces":[8],"overhead":[10],"by":[11],"allowing":[12],"backups":[13],"to":[14,30,39],"share":[15],"common":[16],"data":[17],"chunks.":[18],"However,":[19],"it":[20],"naturally":[21],"disrupts":[22],"the":[23],"sequential":[24],"layout":[25],"of":[26],"images,":[28],"leading":[29],"fragmentation,":[31],"which":[32],"slows":[33],"down":[34],"restoration.":[36],"Existing":[37],"solutions":[38],"this":[40],"issue":[41],"often":[42],"come":[43],"with":[44],"trade-offs,":[45],"either":[46],"reducing":[47],"deduplication":[48],"effectiveness":[49],"or":[50],"introducing":[51],"significant":[52],"I/O":[53],"overhead.":[54]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-12-28T23:10:05.387466","created_date":"2025-10-10T00:00:00"}