{"id":"https://openalex.org/W4394766056","doi":"https://doi.org/10.1145/3653716","title":"eZNS: Elastic Zoned Namespace for Enhanced Performance Isolation and Device Utilization","display_name":"eZNS: Elastic Zoned Namespace for Enhanced Performance Isolation and Device Utilization","publication_year":2024,"publication_date":"2024-04-12","ids":{"openalex":"https://openalex.org/W4394766056","doi":"https://doi.org/10.1145/3653716"},"language":"en","primary_location":{"id":"doi:10.1145/3653716","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3653716","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3653716","source":{"id":"https://openalex.org/S158124317","display_name":"ACM Transactions on Storage","issn_l":"1553-3077","issn":["1553-3077","1553-3093"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Storage","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://dl.acm.org/doi/pdf/10.1145/3653716","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103239997","display_name":"Jae\u2010Hong Min","orcid":"https://orcid.org/0000-0002-7871-2660"},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]},{"id":"https://openalex.org/I58610484","display_name":"Seattle University","ror":"https://ror.org/02jqc0m91","country_code":"US","type":"education","lineage":["https://openalex.org/I58610484"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jaehong Min","raw_affiliation_strings":["University of Washington, Seattle, United States","Computer Science, University of Washington, Seattle, USA"],"raw_orcid":"https://orcid.org/0000-0002-7871-2660","affiliations":[{"raw_affiliation_string":"University of Washington, Seattle, United States","institution_ids":["https://openalex.org/I201448701","https://openalex.org/I58610484"]},{"raw_affiliation_string":"Computer Science, University of Washington, Seattle, USA","institution_ids":["https://openalex.org/I201448701","https://openalex.org/I58610484"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019750903","display_name":"Chenxingyu Zhao","orcid":"https://orcid.org/0000-0001-8528-1689"},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]},{"id":"https://openalex.org/I58610484","display_name":"Seattle University","ror":"https://ror.org/02jqc0m91","country_code":"US","type":"education","lineage":["https://openalex.org/I58610484"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chenxingyu Zhao","raw_affiliation_strings":["University of Washington, Seattle, United States"],"raw_orcid":"https://orcid.org/0000-0001-8528-1689","affiliations":[{"raw_affiliation_string":"University of Washington, Seattle, United States","institution_ids":["https://openalex.org/I201448701","https://openalex.org/I58610484"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100347800","display_name":"Ming Liu","orcid":"https://orcid.org/0000-0002-6509-9449"},"institutions":[{"id":"https://openalex.org/I135310074","display_name":"University of Wisconsin\u2013Madison","ror":"https://ror.org/01y2jtd41","country_code":"US","type":"education","lineage":["https://openalex.org/I135310074"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ming Liu","raw_affiliation_strings":["University of Wisconsin\u2013Madison, Madison, United States"],"raw_orcid":"https://orcid.org/0000-0002-6509-9449","affiliations":[{"raw_affiliation_string":"University of Wisconsin\u2013Madison, Madison, United States","institution_ids":["https://openalex.org/I135310074"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101497042","display_name":"Arvind Krishnamurthy","orcid":"https://orcid.org/0000-0002-9505-9528"},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]},{"id":"https://openalex.org/I58610484","display_name":"Seattle University","ror":"https://ror.org/02jqc0m91","country_code":"US","type":"education","lineage":["https://openalex.org/I58610484"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Arvind Krishnamurthy","raw_affiliation_strings":["University of Washington, Seattle, United States"],"raw_orcid":"https://orcid.org/0000-0002-9505-9528","affiliations":[{"raw_affiliation_string":"University of Washington, Seattle, United States","institution_ids":["https://openalex.org/I201448701","https://openalex.org/I58610484"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.7342,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":{"value":0.84032995,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"20","issue":"3","first_page":"1","last_page":"41"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.9994999766349792,"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":0.9994999766349792,"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":0.9919000267982483,"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/T10772","display_name":"Distributed systems and fault tolerance","score":0.9919000267982483,"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/namespace","display_name":"Namespace","score":0.9893872141838074},{"id":"https://openalex.org/keywords/isolation","display_name":"Isolation (microbiology)","score":0.7467508316040039},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6211704611778259},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.2303728461265564},{"id":"https://openalex.org/keywords/bioinformatics","display_name":"Bioinformatics","score":0.05283471941947937}],"concepts":[{"id":"https://openalex.org/C2778383056","wikidata":"https://www.wikidata.org/wiki/Q873636","display_name":"Namespace","level":2,"score":0.9893872141838074},{"id":"https://openalex.org/C2775941552","wikidata":"https://www.wikidata.org/wiki/Q25212305","display_name":"Isolation (microbiology)","level":2,"score":0.7467508316040039},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6211704611778259},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.2303728461265564},{"id":"https://openalex.org/C60644358","wikidata":"https://www.wikidata.org/wiki/Q128570","display_name":"Bioinformatics","level":1,"score":0.05283471941947937},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3653716","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3653716","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3653716","source":{"id":"https://openalex.org/S158124317","display_name":"ACM Transactions on Storage","issn_l":"1553-3077","issn":["1553-3077","1553-3093"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Storage","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1145/3653716","is_oa":true,"landing_page_url":"https://doi.org/10.1145/3653716","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/3653716","source":{"id":"https://openalex.org/S158124317","display_name":"ACM Transactions on Storage","issn_l":"1553-3077","issn":["1553-3077","1553-3093"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Storage","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.6499999761581421,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[{"id":"https://openalex.org/G1452086972","display_name":null,"funder_award_id":"JUMP 2.0","funder_id":"https://openalex.org/F4320306087","funder_display_name":"Semiconductor Research Corporation"},{"id":"https://openalex.org/G2658240391","display_name":"Collaborative Research: CNS Core: Medium: Programmable Disaggregated Storage","funder_award_id":"2212193","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G8230838074","display_name":null,"funder_award_id":"CNS-2212193","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320306087","display_name":"Semiconductor Research Corporation","ror":"https://ror.org/047z4n946"},{"id":"https://openalex.org/F4320332180","display_name":"Defense Advanced Research Projects Agency","ror":"https://ror.org/02caytj08"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4394766056.pdf","grobid_xml":"https://content.openalex.org/works/W4394766056.grobid-xml"},"referenced_works_count":32,"referenced_works":["https://openalex.org/W128598158","https://openalex.org/W1444959585","https://openalex.org/W1569348226","https://openalex.org/W1964802076","https://openalex.org/W1985229168","https://openalex.org/W2079623992","https://openalex.org/W2084420026","https://openalex.org/W2106117073","https://openalex.org/W2109597634","https://openalex.org/W2121542813","https://openalex.org/W2352208637","https://openalex.org/W2537250698","https://openalex.org/W2742855437","https://openalex.org/W2751343396","https://openalex.org/W2903349259","https://openalex.org/W2911837627","https://openalex.org/W2912274232","https://openalex.org/W2922344031","https://openalex.org/W2962844766","https://openalex.org/W2998901514","https://openalex.org/W3135435620","https://openalex.org/W3193181769","https://openalex.org/W4200208024","https://openalex.org/W4210548206","https://openalex.org/W4221004587","https://openalex.org/W4244457258","https://openalex.org/W4248953716","https://openalex.org/W4252917185","https://openalex.org/W4254154714","https://openalex.org/W4254620533","https://openalex.org/W4309647923","https://openalex.org/W4383821639"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2370740425","https://openalex.org/W2912172084","https://openalex.org/W2295002787","https://openalex.org/W4233446872","https://openalex.org/W3017834062","https://openalex.org/W4205941804","https://openalex.org/W2142058655","https://openalex.org/W4239878326"],"abstract_inverted_index":{"Emerging":[0],"Zoned":[1],"Namespace":[2],"(ZNS)":[3],"SSDs,":[4],"providing":[5],"the":[6,11,16,56,103,120,126,135],"coarse-grained":[7],"zone":[8,57,83,93,97,141],"abstraction,":[9],"hold":[10],"potential":[12],"to":[13,39,44],"significantly":[14],"enhance":[15],"cost":[17],"efficiency":[18],"of":[19,129],"future":[20],"storage":[21],"infrastructure":[22],"and":[23,48,65,99,106,115,133,140,158,162],"mitigate":[24],"performance":[25],"unpredictability.":[26],"However,":[27],"existing":[28],"ZNS":[29,131],"SSDs":[30],"have":[31],"a":[32,92,107,130,152],"static":[33,153],"zoned":[34,154],"interface,":[35],"making":[36],"them":[37],"in-adaptable":[38],"workload":[40],"runtime":[41],"behavior,":[42],"unscalable":[43],"underlying":[45],"hardware":[46],"capabilities,":[47],"interfering":[49],"with":[50,84,111],"co-located":[51],"zones.":[52],"Applications":[53],"either":[54],"under-provision":[55],"resources":[58,101],"yielding":[59],"unsatisfied":[60],"throughput,":[61],"create":[62],"over-provisioned":[63],"zones":[64],"incur":[66],"costs,":[67],"or":[68],"experience":[69],"unexpected":[70],"I/O":[71,109],"latencies.":[72],"We":[73],"propose":[74],"eZNS,":[75],"an":[76,81],"elastic-ZNS":[77],"interface":[78,142,155],"that":[79,95,149],"exposes":[80],"adaptive":[82],"predictable":[85],"characteristics.":[86],"eZNS":[87,124,150],"comprises":[88],"two":[89],"major":[90],"components:":[91],"arbiter":[94],"manages":[96],"allocation":[98],"active":[100],"on":[102,119],"control":[104,114,118],"plane,":[105],"hierarchical":[108],"scheduler":[110],"read":[112],"congestion":[113],"write":[116],"admission":[117],"data":[121],"plane.":[122],"Together,":[123],"enables":[125],"transparent":[127],"use":[128],"SSD":[132],"closes":[134],"gap":[136],"between":[137],"application":[138],"requirements":[139],"properties.":[143],"Our":[144],"evaluations":[145],"over":[146],"RocksDB":[147],"demonstrate":[148],"outperforms":[151],"by":[156],"17.7%":[157],"80.3%":[159],"in":[160],"throughput":[161],"tail":[163],"latency,":[164],"respectively,":[165],"at":[166],"most.":[167]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}