{"id":"https://openalex.org/W3138802246","doi":"https://doi.org/10.1109/bigdata50022.2020.9377736","title":"HotKey-LSM: A Hotness-Aware LSM-Tree for Big Data Storage","display_name":"HotKey-LSM: A Hotness-Aware LSM-Tree for Big Data Storage","publication_year":2020,"publication_date":"2020-12-10","ids":{"openalex":"https://openalex.org/W3138802246","doi":"https://doi.org/10.1109/bigdata50022.2020.9377736","mag":"3138802246"},"language":"en","primary_location":{"id":"doi:10.1109/bigdata50022.2020.9377736","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata50022.2020.9377736","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE International Conference on Big Data (Big Data)","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/A5045425634","display_name":"Yi Wang","orcid":"https://orcid.org/0000-0002-9408-2267"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Wang","raw_affiliation_strings":["School of Computer Science and Technology, University of Science and Technology of China, Hefei, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087025546","display_name":"Peiquan Jin","orcid":"https://orcid.org/0000-0002-3871-0548"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peiquan Jin","raw_affiliation_strings":["Key Laboratory of Electromagnetic Space Information, China Academy of Science, Hefei, China","School of Computer Science and Technology, University of Science and Technology of China, Hefei, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Electromagnetic Space Information, China Academy of Science, Hefei, China","institution_ids":[]},{"raw_affiliation_string":"School of Computer Science and Technology, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101091652","display_name":"Shouhong Wan","orcid":null},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shouhong Wan","raw_affiliation_strings":["Key Laboratory of Electromagnetic Space Information, China Academy of Science, Hefei, China","School of Computer Science and Technology, University of Science and Technology of China, Hefei, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Electromagnetic Space Information, China Academy of Science, Hefei, China","institution_ids":[]},{"raw_affiliation_string":"School of Computer Science and Technology, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I126520041"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"4","issue":null,"first_page":"5849","last_page":"5851"},"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":0.9998000264167786,"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":0.9991999864578247,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7737501859664917},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.6966260671615601},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.598158597946167},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.5771201848983765},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.5523048639297485},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5371763110160828},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.4944784641265869},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.464185893535614},{"id":"https://openalex.org/keywords/traverse","display_name":"Traverse","score":0.4211075007915497},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.19318917393684387},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10523709654808044},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08839613199234009}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7737501859664917},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.6966260671615601},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.598158597946167},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.5771201848983765},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.5523048639297485},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5371763110160828},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.4944784641265869},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.464185893535614},{"id":"https://openalex.org/C176809094","wikidata":"https://www.wikidata.org/wiki/Q15401496","display_name":"Traverse","level":2,"score":0.4211075007915497},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.19318917393684387},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10523709654808044},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08839613199234009},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","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},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/bigdata50022.2020.9377736","is_oa":false,"landing_page_url":"https://doi.org/10.1109/bigdata50022.2020.9377736","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE International Conference on Big Data (Big Data)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1981420413","https://openalex.org/W2005940627","https://openalex.org/W2068739275","https://openalex.org/W2068844250","https://openalex.org/W2135435533","https://openalex.org/W2605800201","https://openalex.org/W2803182524","https://openalex.org/W2903162282","https://openalex.org/W2961852925","https://openalex.org/W3013259571","https://openalex.org/W3043779837","https://openalex.org/W3047423222","https://openalex.org/W6765996500","https://openalex.org/W6780717485","https://openalex.org/W6782064774"],"related_works":["https://openalex.org/W2377402383","https://openalex.org/W2380835401","https://openalex.org/W2381912691","https://openalex.org/W2350381577","https://openalex.org/W2353618196","https://openalex.org/W2348074676","https://openalex.org/W2385033175","https://openalex.org/W2374043190","https://openalex.org/W2363298784","https://openalex.org/W2367402697"],"abstract_inverted_index":{"In":[0],"this":[1,60],"paper,":[2],"to":[3,23,49,55],"improve":[4],"the":[5,43,57,72,77,83,87,94,98,105,133,143],"read":[6,56,122],"performance":[7],"of":[8,20,86,140,145],"LSM-tree,":[9,117],"we":[10,80,96],"propose":[11],"an":[12],"enhanced":[13],"LSM-tree":[14,46,54,107],"called":[15],"HotKey-LSM.":[16],"The":[17,136],"key":[18,39,74],"idea":[19],"HotKey-LSM":[21,126,131],"is":[22,40,75,91],"put":[24],"hot":[25,38,73],"keys":[26,29],"and":[27,129],"cold":[28],"in":[30,42,76,93,108,138],"two":[31],"separated":[32],"column":[33],"families.":[34],"Thus,":[35],"when":[36],"a":[37,51,110,115,120],"not":[41,92],"block":[44,78],"cache,":[45,79,95],"only":[47],"needs":[48],"access":[50],"small":[52,99],"hot-key":[53,63,100,111],"key.":[58],"With":[59],"mechanism,":[61],"most":[62],"requests":[64],"will":[65],"be":[66],"answered":[67],"with":[68,132],"low":[69],"latency:":[70],"if":[71,89],"can":[81],"return":[82],"memory":[84],"address":[85],"key;":[88],"it":[90],"search":[97],"LSM-tree.":[101],"This":[102],"differs":[103],"from":[104],"traditional":[106],"that":[109],"request":[112],"may":[113],"traverse":[114],"large":[116],"which":[118],"causes":[119],"high":[121],"latency.":[123],"We":[124],"implement":[125],"on":[127],"RocksDB":[128],"compare":[130],"original":[134],"RocksDB.":[135],"result":[137],"terms":[139],"QPS":[141],"suggests":[142],"efficiency":[144],"our":[146],"proposal.":[147]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
