{"id":"https://openalex.org/W4309562627","doi":"https://doi.org/10.1145/3568424","title":"<scp>Oasis</scp> : Controlling Data Migration in Expansion of Object-based Storage Systems","display_name":"<scp>Oasis</scp> : Controlling Data Migration in Expansion of Object-based Storage Systems","publication_year":2022,"publication_date":"2022-11-19","ids":{"openalex":"https://openalex.org/W4309562627","doi":"https://doi.org/10.1145/3568424"},"language":"en","primary_location":{"id":"doi:10.1145/3568424","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3568424","pdf_url":null,"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":null,"license_id":null,"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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100395351","display_name":"Yiming Zhang","orcid":"https://orcid.org/0000-0001-6450-8485"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yiming Zhang","raw_affiliation_strings":["NICEX Lab, School of Informatics, Xiamen University, China"],"raw_orcid":"https://orcid.org/0000-0001-6450-8485","affiliations":[{"raw_affiliation_string":"NICEX Lab, School of Informatics, Xiamen University, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100335972","display_name":"Li Wang","orcid":"https://orcid.org/0000-0002-2192-9674"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li Wang","raw_affiliation_strings":["Kylin Software, China"],"raw_orcid":"https://orcid.org/0000-0002-2192-9674","affiliations":[{"raw_affiliation_string":"Kylin Software, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010737353","display_name":"Shun Gai","orcid":"https://orcid.org/0000-0002-7967-0036"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shun Gai","raw_affiliation_strings":["NICEX Lab, School of Computer, NUDT, China"],"raw_orcid":"https://orcid.org/0000-0002-7967-0036","affiliations":[{"raw_affiliation_string":"NICEX Lab, School of Computer, NUDT, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049401858","display_name":"Qiwen Ke","orcid":"https://orcid.org/0000-0003-3733-5456"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiwen Ke","raw_affiliation_strings":["NICEX Lab, School of Informatics, Xiamen University, China"],"raw_orcid":"https://orcid.org/0000-0003-3733-5456","affiliations":[{"raw_affiliation_string":"NICEX Lab, School of Informatics, Xiamen University, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100362616","display_name":"Wenhao Li","orcid":"https://orcid.org/0000-0001-9439-4781"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenhao Li","raw_affiliation_strings":["School of Electronic Information and Electrical Engineering, SJTU, China"],"raw_orcid":"https://orcid.org/0000-0001-9439-4781","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Electrical Engineering, SJTU, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103040997","display_name":"Zhenlong Song","orcid":"https://orcid.org/0000-0002-4085-8437"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhenlong Song","raw_affiliation_strings":["School of Computer, NUDT, China"],"raw_orcid":"https://orcid.org/0000-0002-4085-8437","affiliations":[{"raw_affiliation_string":"School of Computer, NUDT, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101490654","display_name":"Guangtao Xue","orcid":"https://orcid.org/0000-0002-1617-3593"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guangtao Xue","raw_affiliation_strings":["School of Electronic Information and Electrical Engineering, SJTU, China"],"raw_orcid":"https://orcid.org/0000-0002-1617-3593","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Electrical Engineering, SJTU, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101740783","display_name":"Jiwu Shu","orcid":"https://orcid.org/0000-0002-7362-2789"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]},{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiwu Shu","raw_affiliation_strings":["Xiamen University and Tsinghua University, China"],"raw_orcid":"https://orcid.org/0000-0002-7362-2789","affiliations":[{"raw_affiliation_string":"Xiamen University and Tsinghua University, China","institution_ids":["https://openalex.org/I191208505","https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2265,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.53715373,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"19","issue":"1","first_page":"1","last_page":"22"},"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/T11478","display_name":"Caching and Content Delivery","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/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9993000030517578,"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/object-storage","display_name":"Object storage","score":0.8469249606132507},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8098790645599365},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.6465022563934326},{"id":"https://openalex.org/keywords/computer-data-storage","display_name":"Computer data storage","score":0.600944459438324},{"id":"https://openalex.org/keywords/distributed-data-store","display_name":"Distributed data store","score":0.5686060190200806},{"id":"https://openalex.org/keywords/data-striping","display_name":"Data striping","score":0.5681062340736389},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.5091926455497742},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.50876384973526},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5048021078109741},{"id":"https://openalex.org/keywords/timestamp","display_name":"Timestamp","score":0.45845335721969604},{"id":"https://openalex.org/keywords/metadata","display_name":"Metadata","score":0.448005735874176},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.33016425371170044},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.26814305782318115},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.2430957853794098},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.08037009835243225}],"concepts":[{"id":"https://openalex.org/C56640594","wikidata":"https://www.wikidata.org/wiki/Q7075068","display_name":"Object storage","level":3,"score":0.8469249606132507},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8098790645599365},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.6465022563934326},{"id":"https://openalex.org/C194739806","wikidata":"https://www.wikidata.org/wiki/Q66221","display_name":"Computer data storage","level":2,"score":0.600944459438324},{"id":"https://openalex.org/C24885549","wikidata":"https://www.wikidata.org/wiki/Q339678","display_name":"Distributed data store","level":2,"score":0.5686060190200806},{"id":"https://openalex.org/C83489325","wikidata":"https://www.wikidata.org/wiki/Q1332256","display_name":"Data striping","level":2,"score":0.5681062340736389},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.5091926455497742},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.50876384973526},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5048021078109741},{"id":"https://openalex.org/C113954288","wikidata":"https://www.wikidata.org/wiki/Q186885","display_name":"Timestamp","level":2,"score":0.45845335721969604},{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.448005735874176},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.33016425371170044},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.26814305782318115},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.2430957853794098},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.08037009835243225},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3568424","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3568424","pdf_url":null,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Storage","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.7099999785423279}],"awards":[{"id":"https://openalex.org/G5591681273","display_name":null,"funder_award_id":"2022YFB4500302","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G6343257303","display_name":null,"funder_award_id":"20XD1402100","funder_id":"https://openalex.org/F4320335796","funder_display_name":"Program of Shanghai Academic Research Leader"},{"id":"https://openalex.org/G6362875247","display_name":null,"funder_award_id":"61872376, 61932001, and 62072306","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320335796","display_name":"Program of Shanghai Academic Research Leader","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W19204414","https://openalex.org/W25727798","https://openalex.org/W95608104","https://openalex.org/W191598931","https://openalex.org/W1523214132","https://openalex.org/W1968247779","https://openalex.org/W1981420413","https://openalex.org/W2003597767","https://openalex.org/W2007266407","https://openalex.org/W2027758281","https://openalex.org/W2087946700","https://openalex.org/W2101939036","https://openalex.org/W2107042959","https://openalex.org/W2110423232","https://openalex.org/W2114167330","https://openalex.org/W2123482462","https://openalex.org/W2141472642","https://openalex.org/W2145327262","https://openalex.org/W2147853062","https://openalex.org/W2149509741","https://openalex.org/W2157808045","https://openalex.org/W2163059190","https://openalex.org/W2167777830","https://openalex.org/W2167898414","https://openalex.org/W2173213060","https://openalex.org/W2426261211","https://openalex.org/W2594404475","https://openalex.org/W2594680891","https://openalex.org/W2595808227","https://openalex.org/W2613324619","https://openalex.org/W2734941459","https://openalex.org/W2762588346","https://openalex.org/W2791437676","https://openalex.org/W2932966482","https://openalex.org/W2997188720","https://openalex.org/W2998684111","https://openalex.org/W3111157406","https://openalex.org/W4234671947","https://openalex.org/W4235817903","https://openalex.org/W4238584892","https://openalex.org/W4244747924","https://openalex.org/W4249823756","https://openalex.org/W4250390143","https://openalex.org/W6601062244"],"related_works":["https://openalex.org/W2374861481","https://openalex.org/W2021496484","https://openalex.org/W4327907098","https://openalex.org/W2769329074","https://openalex.org/W2785349009","https://openalex.org/W2057452656","https://openalex.org/W1963962022","https://openalex.org/W4387682279","https://openalex.org/W2374602904","https://openalex.org/W2393090923"],"abstract_inverted_index":{"Object-based":[0],"storage":[1,35,48,65,87,100,204],"systems":[2,88],"have":[3,216],"been":[4],"widely":[5],"used":[6],"for":[7,42,149,295],"various":[8],"scenarios":[9,205],"such":[10,79],"as":[11,80,160,212],"file":[12],"storage,":[13,15,20],"block":[14,232,268],"blob":[16],"(e.g.,":[17],"large":[18,31,200],"videos)":[19],"and":[21,84,114,245,289],"so":[22],"on,":[23],"where":[24,206],"the":[25,43,75,96,99,110,121,165,174,179,187,190,220,239,255,264,271],"data":[26,92,151],"is":[27,40,55,107,123,158,196,275],"placed":[28],"among":[29],"a":[30,56,70,130,161,170,199,228],"number":[32],"of":[33,45,77,98,112,164,189,202,257],"object":[34,62,142,207,248],"devices":[36,66],"(OSDs).":[37],"Data":[38],"placement":[39,53,192],"critical":[41],"scalability":[44],"decentralized":[46,57,230],"object-based":[47,203,231],"systems.":[49],"The":[50],"state-of-the-art":[51,221],"CRUSH":[52,113,134,166,175],"method":[54],"algorithm":[58],"that":[59,135,263],"deterministically":[60],"places":[61],"replicas":[63],"onto":[64,183],"without":[67],"relying":[68],"on":[69],"central":[71],"directory.":[72],"While":[73],"enjoying":[74],"benefits":[76],"decentralization":[78],"high":[81],"scalability,":[82],"robustness,":[83],"performance,":[85],"CRUSH-based":[86,272],"suffer":[89],"from":[90,181],"uncontrolled":[91],"migration":[93,152,252],"when":[94,120],"expanding":[95],"capacity":[97],"clusters":[101],"(i.e.,":[102],"adding":[103],"new":[104,162],"OSDs),":[105],"which":[106],"determined":[108],"by":[109,169,185,282],"nature":[111],"will":[115],"cause":[116],"significant":[117],"performance":[118],"degradation":[119],"expansion":[122,147,157,258],"nontrivial.":[124],"This":[125],"article":[126],"presents":[127],"MapX":[128,177,195,218,265],",":[129],"novel":[131],"extension":[132],"to":[133,145,198,219,226,243],"uses":[136],"an":[137],"extra":[138],"time-dimension":[139],"mapping":[140,180],"(from":[141],"creation":[143,249],"times":[144,250],"cluster":[146,154],"times)":[148],"controlling":[150],"after":[153,280],"expansions.":[155],"Each":[156],"viewed":[159],"layer":[163],"map":[167],"represented":[168],"virtual":[171],"node":[172],"beneath":[173],"root.":[176],"controls":[178],"objects":[182,279],"layers":[184],"manipulating":[186],"timestamps":[188,208],"intermediate":[191],"groups":[193],"(PGs).":[194],"applicable":[197],"variety":[201],"can":[209],"be":[210],"maintained":[211],"higher-level":[213],"metadata.":[214],"We":[215],"applied":[217],"Ceph-RBD":[222,273],"(RADOS":[223],"Block":[224],"Device)":[225],"implement":[227],"migration-controllable,":[229],"store":[233,269],"(called":[234],"Oasis":[235,237,267],").":[236],"extends":[238],"RBD":[240],"metadata":[241],"structure":[242],"maintain":[244],"retrieve":[246],"approximate":[247],"(for":[251],"control)":[253],"at":[254],"granularity":[256],"layers.":[259],"Experimental":[260],"results":[261],"show":[262],"-based":[266],"outperforms":[270],"(which":[274],"busy":[276],"in":[277,286,293],"migrating":[278],"expansions)":[281],"3.17\u00d7":[283],"\u223c":[284],"4.31\u00d7":[285],"tail":[287],"latency,":[288],"76.3%":[290],"(respectively,":[291,297],"83.8%)":[292],"IOPS":[294],"reads":[296],"writes).":[298]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}