{"id":"https://openalex.org/W2946498408","doi":"https://doi.org/10.23919/date.2019.8714938","title":"RAFS: A RAID-Aware File System to Reduce the Parity Update Overhead for SSD RAID","display_name":"RAFS: A RAID-Aware File System to Reduce the Parity Update Overhead for SSD RAID","publication_year":2019,"publication_date":"2019-03-01","ids":{"openalex":"https://openalex.org/W2946498408","doi":"https://doi.org/10.23919/date.2019.8714938","mag":"2946498408"},"language":"en","primary_location":{"id":"doi:10.23919/date.2019.8714938","is_oa":false,"landing_page_url":"https://doi.org/10.23919/date.2019.8714938","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 Design, Automation &amp; Test in Europe Conference &amp; Exhibition (DATE)","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/A5081041448","display_name":"Chenlei Tang","orcid":"https://orcid.org/0000-0002-9943-5324"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]},{"id":"https://openalex.org/I4210138186","display_name":"Wuhan National Laboratory for Optoelectronics","ror":"https://ror.org/03c9ncn37","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210138186"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Chenlei Tang","raw_affiliation_strings":["Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology"],"affiliations":[{"raw_affiliation_string":"Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology","institution_ids":["https://openalex.org/I4210138186","https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044866795","display_name":"Jiguang Wan","orcid":"https://orcid.org/0000-0003-3440-4460"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]},{"id":"https://openalex.org/I4210138186","display_name":"Wuhan National Laboratory for Optoelectronics","ror":"https://ror.org/03c9ncn37","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210138186"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiguang Wan","raw_affiliation_strings":["Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology"],"affiliations":[{"raw_affiliation_string":"Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology","institution_ids":["https://openalex.org/I4210138186","https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102214085","display_name":"Yifeng Zhu","orcid":null},"institutions":[{"id":"https://openalex.org/I7947594","display_name":"University of Maine","ror":"https://ror.org/01adr0w49","country_code":"US","type":"education","lineage":["https://openalex.org/I2802397601","https://openalex.org/I7947594"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yifeng Zhu","raw_affiliation_strings":["Tianjin Chengjian University, University of Maine"],"affiliations":[{"raw_affiliation_string":"Tianjin Chengjian University, University of Maine","institution_ids":["https://openalex.org/I7947594"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064147112","display_name":"Zhiyuan Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I4210138186","display_name":"Wuhan National Laboratory for Optoelectronics","ror":"https://ror.org/03c9ncn37","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210138186"]},{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiyuan Liu","raw_affiliation_strings":["Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology"],"affiliations":[{"raw_affiliation_string":"Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology","institution_ids":["https://openalex.org/I4210138186","https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101452057","display_name":"Peng Xu","orcid":"https://orcid.org/0000-0001-8547-5344"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]},{"id":"https://openalex.org/I4210138186","display_name":"Wuhan National Laboratory for Optoelectronics","ror":"https://ror.org/03c9ncn37","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210138186"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peng Xu","raw_affiliation_strings":["Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology"],"affiliations":[{"raw_affiliation_string":"Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology","institution_ids":["https://openalex.org/I4210138186","https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062125860","display_name":"Fei Wu","orcid":"https://orcid.org/0000-0001-9746-4714"},"institutions":[{"id":"https://openalex.org/I4210138186","display_name":"Wuhan National Laboratory for Optoelectronics","ror":"https://ror.org/03c9ncn37","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210138186"]},{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fei Wu","raw_affiliation_strings":["Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology"],"affiliations":[{"raw_affiliation_string":"Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology","institution_ids":["https://openalex.org/I4210138186","https://openalex.org/I47720641"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100329127","display_name":"Changsheng Xie","orcid":"https://orcid.org/0000-0003-1271-0571"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]},{"id":"https://openalex.org/I4210138186","display_name":"Wuhan National Laboratory for Optoelectronics","ror":"https://ror.org/03c9ncn37","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210138186"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Changsheng Xie","raw_affiliation_strings":["Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology"],"affiliations":[{"raw_affiliation_string":"Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology","institution_ids":["https://openalex.org/I4210138186","https://openalex.org/I47720641"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5081041448"],"corresponding_institution_ids":["https://openalex.org/I4210138186","https://openalex.org/I47720641"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.05863365,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"2019","issue":null,"first_page":"1373","last_page":"1378"},"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":0.9948999881744385,"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.941100001335144,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/raid","display_name":"RAID","score":0.9367085099220276},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8620348572731018},{"id":"https://openalex.org/keywords/file-system","display_name":"File system","score":0.532524585723877},{"id":"https://openalex.org/keywords/granularity","display_name":"Granularity","score":0.46023795008659363},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.4553469121456146},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.4510667622089386},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.32944756746292114},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.3290480375289917}],"concepts":[{"id":"https://openalex.org/C133320665","wikidata":"https://www.wikidata.org/wiki/Q179299","display_name":"RAID","level":2,"score":0.9367085099220276},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8620348572731018},{"id":"https://openalex.org/C2780940931","wikidata":"https://www.wikidata.org/wiki/Q174989","display_name":"File system","level":2,"score":0.532524585723877},{"id":"https://openalex.org/C177774035","wikidata":"https://www.wikidata.org/wiki/Q1246948","display_name":"Granularity","level":2,"score":0.46023795008659363},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.4553469121456146},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.4510667622089386},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.32944756746292114},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.3290480375289917}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.23919/date.2019.8714938","is_oa":false,"landing_page_url":"https://doi.org/10.23919/date.2019.8714938","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 Design, Automation &amp; Test in Europe Conference &amp; Exhibition (DATE)","raw_type":"proceedings-article"},{"id":"mag:3191585630","is_oa":false,"landing_page_url":"https://jglobal.jst.go.jp/en/detail?JGLOBAL_ID=201902238981829537","pdf_url":null,"source":{"id":"https://openalex.org/S4306512817","display_name":"IEEE Conference Proceedings","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":"IEEE Conference Proceedings","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/8","score":0.4000000059604645,"display_name":"Decent work and economic growth"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W106162958","https://openalex.org/W140839130","https://openalex.org/W142764049","https://openalex.org/W1172733195","https://openalex.org/W1560722379","https://openalex.org/W1964802076","https://openalex.org/W1970154407","https://openalex.org/W1978112799","https://openalex.org/W1995790197","https://openalex.org/W2056416836","https://openalex.org/W2061367020","https://openalex.org/W2170388911","https://openalex.org/W2410108711","https://openalex.org/W2412976325","https://openalex.org/W6604258156","https://openalex.org/W6605716994","https://openalex.org/W6605742385","https://openalex.org/W6627708365","https://openalex.org/W6633511770","https://openalex.org/W6714608049"],"related_works":["https://openalex.org/W2995711473","https://openalex.org/W2103998189","https://openalex.org/W2371108673","https://openalex.org/W2279423064","https://openalex.org/W2147100443","https://openalex.org/W2230581898","https://openalex.org/W2118968814","https://openalex.org/W2392203871","https://openalex.org/W1658882345","https://openalex.org/W2272661342"],"abstract_inverted_index":{"In":[0],"a":[1,39,78,84,108,141],"parity-based":[2],"SSD":[3],"RAID,":[4],"small":[5,37],"write":[6],"requests":[7],"not":[8],"only":[9,62],"accelerate":[10],"the":[11,34,45,55,72,90,116,135],"wear-out":[12],"of":[13,36,94,102],"SSDs":[14],"due":[15,26],"to":[16,27,48,54,88,112,115,133,145,148,161,164],"extra":[17],"writes":[18,52,114,147],"for":[19],"updating":[20],"parities":[21],"but":[22],"also":[23],"deteriorate":[24],"performance":[25,93],"associated":[28],"expensive":[29],"garbage":[30],"collection.":[31],"To":[32,119],"mitigate":[33,134],"problem":[35],"writes,":[38],"buffer":[40,110],"is":[41,69],"often":[42],"added":[43],"at":[44,71],"RAID":[46,96],"controller":[47],"absorb":[49],"overwrites":[50],"and":[51,92,127],"performed":[53],"same":[56,117],"stripe.":[57],"However,":[58],"this":[59],"approach":[60],"achieves":[61],"suboptimal":[63],"efficiency":[64],"because":[65],"file":[66,80,104],"layout":[67,87],"information":[68],"invisible":[70],"block":[73],"level.This":[74],"paper":[75],"proposes":[76],"RAFS,":[77],"RAID-aware":[79],"system,":[81],"which":[82],"utilizes":[83],"RAID-friendly":[85],"data":[86],"improve":[89,157],"reliability":[91],"SSD-based":[95],"5.":[97],"By":[98],"leveraging":[99],"delayed":[100],"allocation":[101,143],"modern":[103],"systems,":[105],"RAFS":[106,123,139,155],"employs":[107],"stripe-aware":[109],"policy":[111],"coalesce":[113],"file.":[118],"reduce":[120],"parity":[121,136],"updates,":[122],"compacts":[124],"buffered":[125],"updates":[126],"flushes":[128],"back":[129],"in":[130],"stripe":[131,149],"units":[132],"update":[137],"overhead.":[138],"adopts":[140],"stripe-granularity":[142],"scheme":[144],"align":[146],"boundaries.":[150],"Experimental":[151],"results":[152],"show":[153],"that":[154],"can":[156],"throughput":[158],"by":[159],"up":[160],"90%,":[162],"compared":[163],"Ext4.":[165]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
