{"id":"https://openalex.org/W4413948809","doi":"https://doi.org/10.14778/3746405.3746414","title":"KEIGO: Co-Designing Log-Structured Merge Key-Value Stores with a Non-Volatile, Concurrency-Aware Storage Hierarchy","display_name":"KEIGO: Co-Designing Log-Structured Merge Key-Value Stores with a Non-Volatile, Concurrency-Aware Storage Hierarchy","publication_year":2025,"publication_date":"2025-05-01","ids":{"openalex":"https://openalex.org/W4413948809","doi":"https://doi.org/10.14778/3746405.3746414"},"language":"en","primary_location":{"id":"doi:10.14778/3746405.3746414","is_oa":false,"landing_page_url":"https://doi.org/10.14778/3746405.3746414","pdf_url":null,"source":{"id":"https://openalex.org/S4210226185","display_name":"Proceedings of the VLDB Endowment","issn_l":"2150-8097","issn":["2150-8097"],"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":"Proceedings of the VLDB Endowment","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/A5119525593","display_name":"R\u00faben Ad\u00e3o","orcid":null},"institutions":[{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]},{"id":"https://openalex.org/I99682543","display_name":"University of Minho","ror":"https://ror.org/037wpkx04","country_code":"PT","type":"education","lineage":["https://openalex.org/I99682543"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"R\u00faben Ad\u00e3o","raw_affiliation_strings":["INESC TEC &amp; University of Minho"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INESC TEC &amp; University of Minho","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I99682543"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025475394","display_name":"Zhongjie Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I32971472","display_name":"Yale University","ror":"https://ror.org/03v76x132","country_code":"US","type":"education","lineage":["https://openalex.org/I32971472"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhongjie Wu","raw_affiliation_strings":["Yale University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Yale University","institution_ids":["https://openalex.org/I32971472"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058161666","display_name":"Changjun Zhou","orcid":"https://orcid.org/0000-0002-6685-8590"},"institutions":[{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Changjun Zhou","raw_affiliation_strings":["McGill University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"McGill University","institution_ids":["https://openalex.org/I5023651"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055620336","display_name":"Oana Balmau","orcid":"https://orcid.org/0000-0002-6822-8891"},"institutions":[{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Oana Balmau","raw_affiliation_strings":["McGill University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"McGill University","institution_ids":["https://openalex.org/I5023651"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054409160","display_name":"Jo\u00e3o Paulo","orcid":"https://orcid.org/0000-0001-9752-2822"},"institutions":[{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]},{"id":"https://openalex.org/I99682543","display_name":"University of Minho","ror":"https://ror.org/037wpkx04","country_code":"PT","type":"education","lineage":["https://openalex.org/I99682543"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Jo\u00e3o Paulo","raw_affiliation_strings":["INESC TEC &amp; University of Minho"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INESC TEC &amp; University of Minho","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I99682543"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032296284","display_name":"Ricardo Macedo","orcid":"https://orcid.org/0000-0003-4036-0126"},"institutions":[{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]},{"id":"https://openalex.org/I99682543","display_name":"University of Minho","ror":"https://ror.org/037wpkx04","country_code":"PT","type":"education","lineage":["https://openalex.org/I99682543"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Ricardo Macedo","raw_affiliation_strings":["INESC TEC &amp; University of Minho"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INESC TEC &amp; University of Minho","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I99682543"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.23922857,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"18","issue":"9","first_page":"2872","last_page":"2885"},"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9997000098228455,"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":0.9987999796867371,"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/merge","display_name":"Merge (version control)","score":0.7651933431625366},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6523208022117615},{"id":"https://openalex.org/keywords/concurrency","display_name":"Concurrency","score":0.6504381895065308},{"id":"https://openalex.org/keywords/hierarchy","display_name":"Hierarchy","score":0.48638179898262024},{"id":"https://openalex.org/keywords/memory-hierarchy","display_name":"Memory hierarchy","score":0.4683223366737366},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.45905646681785583},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.444867879152298},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.31535184383392334},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.29461437463760376},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.25368401408195496}],"concepts":[{"id":"https://openalex.org/C197129107","wikidata":"https://www.wikidata.org/wiki/Q1921621","display_name":"Merge (version control)","level":2,"score":0.7651933431625366},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6523208022117615},{"id":"https://openalex.org/C193702766","wikidata":"https://www.wikidata.org/wiki/Q1414548","display_name":"Concurrency","level":2,"score":0.6504381895065308},{"id":"https://openalex.org/C31170391","wikidata":"https://www.wikidata.org/wiki/Q188619","display_name":"Hierarchy","level":2,"score":0.48638179898262024},{"id":"https://openalex.org/C2778100165","wikidata":"https://www.wikidata.org/wiki/Q1589327","display_name":"Memory hierarchy","level":3,"score":0.4683223366737366},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.45905646681785583},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.444867879152298},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.31535184383392334},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.29461437463760376},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.25368401408195496},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.14778/3746405.3746414","is_oa":false,"landing_page_url":"https://doi.org/10.14778/3746405.3746414","pdf_url":null,"source":{"id":"https://openalex.org/S4210226185","display_name":"Proceedings of the VLDB Endowment","issn_l":"2150-8097","issn":["2150-8097"],"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":"Proceedings of the VLDB Endowment","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":26,"referenced_works":["https://openalex.org/W1985229168","https://openalex.org/W2051452441","https://openalex.org/W2068739275","https://openalex.org/W2087946700","https://openalex.org/W2437053200","https://openalex.org/W2605461040","https://openalex.org/W2742513757","https://openalex.org/W2764085896","https://openalex.org/W2792589388","https://openalex.org/W2798290321","https://openalex.org/W2892912285","https://openalex.org/W2963379900","https://openalex.org/W2981409546","https://openalex.org/W2982234780","https://openalex.org/W3085111528","https://openalex.org/W3098583838","https://openalex.org/W3131236281","https://openalex.org/W3206677347","https://openalex.org/W4210530509","https://openalex.org/W4308426416","https://openalex.org/W4315977519","https://openalex.org/W4318541520","https://openalex.org/W4327911810","https://openalex.org/W4385270376","https://openalex.org/W4385653218","https://openalex.org/W4400910159"],"related_works":["https://openalex.org/W2161401012","https://openalex.org/W2489934651","https://openalex.org/W108401543","https://openalex.org/W2279642117","https://openalex.org/W4300190729","https://openalex.org/W2953056293","https://openalex.org/W2035037799","https://openalex.org/W1971123707","https://openalex.org/W4200143910","https://openalex.org/W2019374455"],"abstract_inverted_index":{"We":[0,77,128],"present":[1],"Keigo,":[2],"a":[3,25],"concurrency-":[4],"and":[5,75,89,104,120,133,150,161],"workload-aware":[6],"storage":[7,28,46,61,126,159],"middleware":[8],"that":[9,36,48,137],"enhances":[10],"the":[11,45,56,140],"performance":[12],"of":[13,27,42,58,142],"log-structured":[14],"merge":[15],"key-value":[16],"stores":[17],"(LSM":[18],"KVS)":[19],"when":[20,155],"they":[21],"are":[22],"deployed":[23],"on":[24,70],"hierarchy":[26,47],"devices.":[29],"The":[30],"key":[31],"observation":[32],"behind":[33],"Keigo":[34,63,93,130],"is":[35,38,94,99],"there":[37],"no":[39],"one-size-fits-all":[40],"placement":[41],"data":[43,83],"across":[44,66,96],"optimizes":[49],"for":[50,148,152],"all":[51],"workloads.":[52],"Hence,":[53],"to":[54,101,122,146,157],"leverage":[55],"benefits":[57],"combining":[59],"different":[60,67,97],"devices,":[62],"places":[64],"files":[65],"devices":[68],"based":[69],"their":[71],"parallelism,":[72],"I/O":[73,91],"bandwidth,":[74],"capacity.":[76],"introduce":[78],"three":[79],"techniques":[80],"-":[81],"concurrency-aware":[82],"placement,":[84],"persistent":[85],"read-only":[86],"caching":[87],",":[88],"context-based":[90],"differentiation.":[92],"portable":[95],"LSMs,":[98],"adaptable":[100],"dynamic":[102],"workloads,":[103,135],"does":[105],"not":[106],"require":[107],"extensive":[108],"profiling.":[109],"Our":[110],"system":[111],"enables":[112],"established":[113],"production":[114],"KVS":[115],"such":[116],"as":[117],"RocksDB,":[118],"LevelDB,":[119],"Speedb":[121],"benefit":[123],"from":[124],"heterogeneous":[125],"setups.":[127],"evaluate":[129],"using":[131],"synthetic":[132],"realistic":[134],"showing":[136],"it":[138],"improves":[139],"throughput":[141],"production-grade":[143],"LSMs":[144],"up":[145],"4X":[147],"write-":[149],"18X":[151],"read-heavy":[153],"workloads":[154],"compared":[156],"general-purpose":[158],"systems":[160],"specialized":[162],"LSM":[163],"KVS.":[164]},"counts_by_year":[],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
