{"id":"https://openalex.org/W2025307952","doi":"https://doi.org/10.1145/2825236.2825261","title":"On the Optimality of Greedy Garbage Collection for SSDs","display_name":"On the Optimality of Greedy Garbage Collection for SSDs","publication_year":2015,"publication_date":"2015-09-16","ids":{"openalex":"https://openalex.org/W2025307952","doi":"https://doi.org/10.1145/2825236.2825261","mag":"2025307952"},"language":"en","primary_location":{"id":"doi:10.1145/2825236.2825261","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2825236.2825261","pdf_url":null,"source":{"id":"https://openalex.org/S4210187660","display_name":"ACM SIGMETRICS Performance Evaluation Review","issn_l":"0163-5999","issn":["0163-5999","1557-9484"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM SIGMETRICS Performance Evaluation Review","raw_type":"journal-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/A5016114527","display_name":"Yudong Yang","orcid":"https://orcid.org/0000-0002-7142-2249"},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Yudong Yang","raw_affiliation_strings":["Columbia University"],"affiliations":[{"raw_affiliation_string":"Columbia University","institution_ids":["https://openalex.org/I78577930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019484217","display_name":"Vishal Misra","orcid":"https://orcid.org/0000-0002-9432-6938"},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Vishal Misra","raw_affiliation_strings":["Columbia University"],"affiliations":[{"raw_affiliation_string":"Columbia University","institution_ids":["https://openalex.org/I78577930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052765061","display_name":"Dan Rubenstein","orcid":"https://orcid.org/0000-0002-3747-9946"},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dan Rubenstein","raw_affiliation_strings":["Columbia University"],"affiliations":[{"raw_affiliation_string":"Columbia University","institution_ids":["https://openalex.org/I78577930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5016114527"],"corresponding_institution_ids":["https://openalex.org/I78577930"],"apc_list":null,"apc_paid":null,"fwci":0.6656,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.73947992,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"43","issue":"2","first_page":"63","last_page":"65"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9811000227928162,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12162","display_name":"Cellular Automata and Applications","score":0.9779999852180481,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer 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":0.9251700043678284},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7482969760894775},{"id":"https://openalex.org/keywords/greedy-algorithm","display_name":"Greedy algorithm","score":0.7217196226119995},{"id":"https://openalex.org/keywords/garbage","display_name":"Garbage","score":0.551523745059967},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.506964921951294},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.4881930947303772},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.37576955556869507},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.32632094621658325},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.1593562364578247}],"concepts":[{"id":"https://openalex.org/C105122174","wikidata":"https://www.wikidata.org/wiki/Q322202","display_name":"Garbage collection","level":3,"score":0.9251700043678284},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7482969760894775},{"id":"https://openalex.org/C51823790","wikidata":"https://www.wikidata.org/wiki/Q504353","display_name":"Greedy algorithm","level":2,"score":0.7217196226119995},{"id":"https://openalex.org/C75403996","wikidata":"https://www.wikidata.org/wiki/Q5521979","display_name":"Garbage","level":2,"score":0.551523745059967},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.506964921951294},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.4881930947303772},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.37576955556869507},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.32632094621658325},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.1593562364578247}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2825236.2825261","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2825236.2825261","pdf_url":null,"source":{"id":"https://openalex.org/S4210187660","display_name":"ACM SIGMETRICS Performance Evaluation Review","issn_l":"0163-5999","issn":["0163-5999","1557-9484"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM SIGMETRICS Performance Evaluation Review","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W2006425633","https://openalex.org/W2049442756","https://openalex.org/W2051435086","https://openalex.org/W2078878163","https://openalex.org/W2097490816","https://openalex.org/W2106436364","https://openalex.org/W2112157291","https://openalex.org/W2125255090","https://openalex.org/W2183188383","https://openalex.org/W4236020475","https://openalex.org/W4236376897"],"related_works":["https://openalex.org/W2132258996","https://openalex.org/W2245694847","https://openalex.org/W4387773637","https://openalex.org/W4381304378","https://openalex.org/W2188602196","https://openalex.org/W3174776489","https://openalex.org/W1700460898","https://openalex.org/W4297378365","https://openalex.org/W2808342711","https://openalex.org/W3174290724"],"abstract_inverted_index":{"Solid":[0],"state":[1],"drives":[2],"have":[3],"been":[4],"widely":[5],"applied":[6],"in":[7],"modern":[8],"computer":[9],"systems.":[10],"The":[11],"lifetime":[12],"of":[13,21,24],"the":[14,19,22,25,40,45,50],"SSD":[15],"depends":[16],"heavily":[17],"on":[18],"efficiency":[20],"implementation":[23],"garbage":[26],"collection":[27],"(GC)":[28],"algorithm":[29,48],"that":[30,44],"reclaims":[31],"previously":[32],"used":[33],"pages.":[34],"In":[35],"this":[36],"paper,":[37],"we":[38],"present":[39],"first":[41],"detailed":[42],"proof":[43],"greedy":[46],"GC":[47],"has":[49],"optimal":[51],"performance":[52],"(minimized":[53],"write":[54],"amplification)":[55],"for":[56],"memoryless":[57],"workloads.":[58]},"counts_by_year":[{"year":2025,"cited_by_count":9},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2}],"updated_date":"2026-02-25T08:12:03.925757","created_date":"2025-10-10T00:00:00"}
