{"id":"https://openalex.org/W3114958361","doi":"https://doi.org/10.1145/3429357.3430521","title":"HopsFS-S3","display_name":"HopsFS-S3","publication_year":2020,"publication_date":"2020-12-07","ids":{"openalex":"https://openalex.org/W3114958361","doi":"https://doi.org/10.1145/3429357.3430521","mag":"3114958361"},"language":"en","primary_location":{"id":"doi:10.1145/3429357.3430521","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3429357.3430521","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 1st International Middleware Conference Industrial Track","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/A5101963186","display_name":"Mahmoud Ismail","orcid":"https://orcid.org/0000-0001-9052-6986"},"institutions":[{"id":"https://openalex.org/I86987016","display_name":"KTH Royal Institute of Technology","ror":"https://ror.org/026vcq606","country_code":"SE","type":"education","lineage":["https://openalex.org/I86987016"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Mahmoud Ismail","raw_affiliation_strings":["KTH - Royal Institute of Technology and Logical Clocks AB"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KTH - Royal Institute of Technology and Logical Clocks AB","institution_ids":["https://openalex.org/I86987016"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001436192","display_name":"Salman Niazi","orcid":"https://orcid.org/0000-0002-1672-6899"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Salman Niazi","raw_affiliation_strings":["Logical Clocks AB"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Logical Clocks AB","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046648882","display_name":"Gautier Berthou","orcid":"https://orcid.org/0000-0002-9941-7679"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gautier Berthou","raw_affiliation_strings":["Logical Clocks AB"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Logical Clocks AB","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052059275","display_name":"Mikael Ronstr\u00f6m","orcid":"https://orcid.org/0009-0004-1524-606X"},"institutions":[{"id":"https://openalex.org/I1342911587","display_name":"Oracle (United States)","ror":"https://ror.org/006c77m33","country_code":"US","type":"company","lineage":["https://openalex.org/I1342911587"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mikael Ronstr\u00f6m","raw_affiliation_strings":["Oracle AB"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oracle AB","institution_ids":["https://openalex.org/I1342911587"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090695078","display_name":"Seif Haridi","orcid":"https://orcid.org/0000-0002-6718-0144"},"institutions":[{"id":"https://openalex.org/I86987016","display_name":"KTH Royal Institute of Technology","ror":"https://ror.org/026vcq606","country_code":"SE","type":"education","lineage":["https://openalex.org/I86987016"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Seif Haridi","raw_affiliation_strings":["KTH - Royal Institute of Technology and Logical Clocks AB"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KTH - Royal Institute of Technology and Logical Clocks AB","institution_ids":["https://openalex.org/I86987016"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055127792","display_name":"Jim Dowling","orcid":"https://orcid.org/0000-0002-9484-6714"},"institutions":[{"id":"https://openalex.org/I86987016","display_name":"KTH Royal Institute of Technology","ror":"https://ror.org/026vcq606","country_code":"SE","type":"education","lineage":["https://openalex.org/I86987016"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Jim Dowling","raw_affiliation_strings":["KTH - Royal Institute of Technology and Logical Clocks AB"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"KTH - Royal Institute of Technology and Logical Clocks AB","institution_ids":["https://openalex.org/I86987016"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.18250416,"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":"23","last_page":"30"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.9998999834060669,"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":0.9998999834060669,"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/T10101","display_name":"Cloud Computing and Resource Management","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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":0.9973999857902527,"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":0.8713943958282471},{"id":"https://openalex.org/keywords/metadata","display_name":"Metadata","score":0.7663668990135193},{"id":"https://openalex.org/keywords/file-system","display_name":"File system","score":0.5973021388053894},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.5961000323295593},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.5322971343994141},{"id":"https://openalex.org/keywords/metadata-management","display_name":"Metadata management","score":0.48274606466293335},{"id":"https://openalex.org/keywords/file-system-fragmentation","display_name":"File system fragmentation","score":0.4683752655982971},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.4556349813938141},{"id":"https://openalex.org/keywords/object-storage","display_name":"Object storage","score":0.4474317729473114},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.4330996870994568},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.4321031868457794},{"id":"https://openalex.org/keywords/directory","display_name":"Directory","score":0.43089765310287476},{"id":"https://openalex.org/keywords/computer-file","display_name":"Computer file","score":0.3845565915107727},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.34387367963790894},{"id":"https://openalex.org/keywords/computer-data-storage","display_name":"Computer data storage","score":0.250266969203949},{"id":"https://openalex.org/keywords/journaling-file-system","display_name":"Journaling file system","score":0.22929781675338745}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8713943958282471},{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.7663668990135193},{"id":"https://openalex.org/C2780940931","wikidata":"https://www.wikidata.org/wiki/Q174989","display_name":"File system","level":2,"score":0.5973021388053894},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.5961000323295593},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.5322971343994141},{"id":"https://openalex.org/C2779489174","wikidata":"https://www.wikidata.org/wiki/Q6822246","display_name":"Metadata management","level":3,"score":0.48274606466293335},{"id":"https://openalex.org/C26656859","wikidata":"https://www.wikidata.org/wiki/Q4089244","display_name":"File system fragmentation","level":4,"score":0.4683752655982971},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.4556349813938141},{"id":"https://openalex.org/C56640594","wikidata":"https://www.wikidata.org/wiki/Q7075068","display_name":"Object storage","level":3,"score":0.4474317729473114},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.4330996870994568},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.4321031868457794},{"id":"https://openalex.org/C2777683733","wikidata":"https://www.wikidata.org/wiki/Q201456","display_name":"Directory","level":2,"score":0.43089765310287476},{"id":"https://openalex.org/C95637964","wikidata":"https://www.wikidata.org/wiki/Q82753","display_name":"Computer file","level":2,"score":0.3845565915107727},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.34387367963790894},{"id":"https://openalex.org/C194739806","wikidata":"https://www.wikidata.org/wiki/Q66221","display_name":"Computer data storage","level":2,"score":0.250266969203949},{"id":"https://openalex.org/C2225880","wikidata":"https://www.wikidata.org/wiki/Q579047","display_name":"Journaling file system","level":3,"score":0.22929781675338745},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3429357.3430521","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3429357.3430521","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 1st International Middleware Conference Industrial Track","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W2012458771","https://openalex.org/W2029467255","https://openalex.org/W2080092502","https://openalex.org/W2153704625","https://openalex.org/W2155072926","https://openalex.org/W2612261081","https://openalex.org/W2903455402","https://openalex.org/W2954853526","https://openalex.org/W2963078748"],"related_works":["https://openalex.org/W1987834273","https://openalex.org/W2097829252","https://openalex.org/W4247882433","https://openalex.org/W2598111655","https://openalex.org/W2559378645","https://openalex.org/W1597355303","https://openalex.org/W2168643770","https://openalex.org/W2972994735","https://openalex.org/W2065428928","https://openalex.org/W2465577532"],"abstract_inverted_index":{"Object":[0],"stores":[1],"have":[2],"become":[3],"the":[4,10,55,89,94,138,170],"de-facto":[5],"platform":[6],"for":[7,111,123],"storage":[8,79,110],"in":[9,174],"cloud":[11],"due":[12],"to":[13,31,81,87,106,128,135,158,191],"their":[14],"scalability,":[15],"high":[16],"availability,":[17],"and":[18,27,132,188],"low":[19],"cost.":[20],"However,":[21],"they":[22],"provide":[23],"weaker":[24],"metadata":[25,148,173],"semantics":[26],"lower":[28],"performance":[29,131],"compared":[30],"distributed":[32,44,73],"hierarchical":[33,45],"file":[34,46,56,95],"systems.":[35],"In":[36,114],"this":[37],"paper,":[38],"we":[39,117,145],"introduce":[40],"HopsFS-S3,":[41],"a":[42,67,101],"hybrid":[43],"system":[47],"backed":[48],"by":[49],"an":[50,84],"object":[51,85,175],"store":[52,86,88],"while":[53],"preserving":[54],"system's":[57,96],"strong":[58],"consistency":[59],"semantics.":[60,97],"We":[61,75,98],"base":[62],"our":[63,115],"implementation":[64],"on":[65,150],"HopsFS,":[66],"next-generation":[68],"distribution":[69],"of":[70,142,161],"HDFS":[71],"with":[72,126,181],"metadata.":[74,192],"redesigned":[76],"HopsFS'":[77,182],"block":[78,103],"layer":[80],"transparently":[82],"use":[83],"file's":[90],"blocks":[91],"without":[92],"sacrificing":[93],"also":[99],"introduced":[100],"new":[102],"caching":[104],"service":[105],"leverage":[107],"faster":[108,163],"NVMe":[109],"hot":[112],"blocks.":[113],"experiments,":[116],"show":[118],"that":[119,147],"HopsFS-S3":[120,151,167],"outperforms":[121],"EMRFS":[122],"IO-bound":[124],"workloads,":[125],"up":[127,134,157,169],"20%":[129],"higher":[130],"delivers":[133],"3":[136],"AX":[137],"aggregated":[139],"read":[140],"throughput":[141],"EMRFS.":[143,165],"Moreover,":[144],"demonstrate":[146],"operations":[149],"(such":[152],"as":[153],"directory":[154],"rename)":[155],"are":[156],"two":[159],"orders":[160],"magnitude":[162],"than":[164],"Finally,":[166],"opens":[168],"currently":[171],"closed":[172],"stores,":[176],"enabling":[177],"correctly-ordered":[178],"change":[179,183],"notifications":[180],"data":[184],"capture":[185],"(CDC)":[186],"API":[187],"customized":[189],"extensions":[190]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2021-01-05T00:00:00"}
