{"id":"https://openalex.org/W4281979941","doi":"https://doi.org/10.1145/3534056.3534942","title":"O-AFA","display_name":"O-AFA","publication_year":2022,"publication_date":"2022-06-06","ids":{"openalex":"https://openalex.org/W4281979941","doi":"https://doi.org/10.1145/3534056.3534942"},"language":"en","primary_location":{"id":"doi:10.1145/3534056.3534942","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3534056.3534942","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 15th ACM International Conference on Systems and Storage","raw_type":"proceedings-article"},"type":"conference-paper","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/A5112148925","display_name":"Seung Won Yoo","orcid":null},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Seung Won Yoo","raw_affiliation_strings":["KAIST, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KAIST, Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019018094","display_name":"Joontaek Oh","orcid":"https://orcid.org/0000-0002-3084-092X"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Joontaek Oh","raw_affiliation_strings":["KAIST, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KAIST, Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110391759","display_name":"Youjip Won","orcid":"https://orcid.org/0000-0001-7178-5245"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Youjip Won","raw_affiliation_strings":["KAIST, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KAIST, Korea","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I157485424"],"apc_list":null,"apc_paid":null,"fwci":0.5392,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.53304437,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"96","last_page":"107"},"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":0.9994000196456909,"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9937000274658203,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7624812126159668},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.7525727152824402},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.6590015292167664},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5798742175102234},{"id":"https://openalex.org/keywords/flash","display_name":"Flash (photography)","score":0.543205738067627},{"id":"https://openalex.org/keywords/raid","display_name":"RAID","score":0.5391042828559875},{"id":"https://openalex.org/keywords/transfer","display_name":"Transfer (computing)","score":0.44091731309890747},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.3544398546218872}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7624812126159668},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.7525727152824402},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.6590015292167664},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5798742175102234},{"id":"https://openalex.org/C2777526259","wikidata":"https://www.wikidata.org/wiki/Q221836","display_name":"Flash (photography)","level":2,"score":0.543205738067627},{"id":"https://openalex.org/C133320665","wikidata":"https://www.wikidata.org/wiki/Q179299","display_name":"RAID","level":2,"score":0.5391042828559875},{"id":"https://openalex.org/C2776175482","wikidata":"https://www.wikidata.org/wiki/Q1195816","display_name":"Transfer (computing)","level":2,"score":0.44091731309890747},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.3544398546218872},{"id":"https://openalex.org/C153349607","wikidata":"https://www.wikidata.org/wiki/Q36649","display_name":"Visual arts","level":1,"score":0.0},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3534056.3534942","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3534056.3534942","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 15th ACM International Conference on Systems and Storage","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1916929620","https://openalex.org/W2009404871","https://openalex.org/W2043521205","https://openalex.org/W2051606425","https://openalex.org/W2110231861","https://openalex.org/W2147853062","https://openalex.org/W2412976325","https://openalex.org/W2604612850","https://openalex.org/W2955077087","https://openalex.org/W3207320104","https://openalex.org/W6683698695","https://openalex.org/W6684833465","https://openalex.org/W6746055352","https://openalex.org/W6784400895"],"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/W2389091612","https://openalex.org/W2081416538"],"abstract_inverted_index":{"In":[0],"this":[1,101],"work,":[2],"we":[3,119],"present":[4],"a":[5,25,58,92,121],"new":[6,147],"order-preserving":[7,148],"mechanism":[8,125,149],"for":[9,21,140,156,160],"software":[10],"RAID,":[11],"called":[12],"Order-Preserving":[13],"All":[14],"Flash":[15],"Array,":[16],"O-AFA.":[17],"O-AFA":[18,151],"is":[19,35,55,65,91],"designed":[20],"barrier-compliant":[22],"devices":[23,45],"in":[24,42,46],"RAID":[26],"system.":[27],"Our":[28],"contributions":[29],"are":[30],"three-fold.":[31],"First,":[32],"Barrier":[33,114],"Stripe":[34,115],"employed":[36,66],"to":[37,57,67,110,112,126],"preserve":[38],"the":[39,47,69,74,77,81,86,103,107,113,128,132,137,141],"storage":[40,44,48],"order":[41],"individual":[43],"array.":[49,60],"The":[50,146],"cache":[51],"barrier":[52],"command":[53],"stripe":[54,109],"dispatched":[56],"flash":[59],"Second,":[61],"Interstripe":[62],"epoch":[63],"management":[64],"follow":[68],"ordering":[70],"constraint":[71],"imposed":[72],"by":[73,144],"filesystem.":[75],"When":[76],"Linux":[78,104],"MD":[79,105],"dispatches":[80],"current":[82,108],"stripe,":[83],"it":[84],"receives":[85],"information":[87],"on":[88,100,162],"whether":[89],"there":[90],"remaining":[93],"write":[94],"request":[95],"among":[96],"un-dispatched":[97],"stripes.":[98],"Based":[99],"information,":[102],"converts":[106],"dispatch":[111,124,133],"or":[116],"not.":[117],"Third,":[118],"use":[120],"shadow-page":[122],"aware":[123],"replace":[127],"transfer":[129],"overhead":[130],"with":[131],"overhead.":[134],"It":[135],"brings":[136,152],"performance":[138,154],"gain":[139,155],"IO":[142],"handling":[143],"19%.":[145],"of":[150],"75%":[153],"varmail":[157],"and":[158],"77%":[159],"OLTP-Insert":[161],"MySQL.":[163]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2022-06-13T00:00:00"}
