{"id":"https://openalex.org/W3038519967","doi":"https://doi.org/10.1109/tpds.2020.3006655","title":"Towards Unaligned Writes Optimization in Cloud Storage With High-Performance SSDs","display_name":"Towards Unaligned Writes Optimization in Cloud Storage With High-Performance SSDs","publication_year":2020,"publication_date":"2020-07-02","ids":{"openalex":"https://openalex.org/W3038519967","doi":"https://doi.org/10.1109/tpds.2020.3006655","mag":"3038519967"},"language":"en","primary_location":{"id":"doi:10.1109/tpds.2020.3006655","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tpds.2020.3006655","pdf_url":null,"source":{"id":"https://openalex.org/S97130795","display_name":"IEEE Transactions on Parallel and Distributed Systems","issn_l":"1045-9219","issn":["1045-9219","1558-2183","2161-9883"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Parallel and Distributed Systems","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/A5101740783","display_name":"Jiwu Shu","orcid":"https://orcid.org/0000-0002-7362-2789"},"institutions":[{"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":true,"raw_author_name":"Jiwu Shu","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100325814","display_name":"Fei Li","orcid":"https://orcid.org/0000-0002-3616-7860"},"institutions":[{"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":"Fei Li","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100615753","display_name":"Siyang Li","orcid":"https://orcid.org/0000-0002-4597-4533"},"institutions":[{"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":"Siyang Li","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052095173","display_name":"Youyou Lu","orcid":"https://orcid.org/0000-0002-6214-5390"},"institutions":[{"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":"Youyou Lu","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5101740783"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":0.6167,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.70561281,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"31","issue":"12","first_page":"2923","last_page":"2937"},"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/T11478","display_name":"Caching and Content Delivery","score":0.9991000294685364,"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":0.9891999959945679,"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":0.9079513549804688},{"id":"https://openalex.org/keywords/metadata","display_name":"Metadata","score":0.8111028671264648},{"id":"https://openalex.org/keywords/sync","display_name":"sync","score":0.6915229558944702},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.5664956569671631},{"id":"https://openalex.org/keywords/cache","display_name":"Cache","score":0.5631346702575684},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.549964964389801},{"id":"https://openalex.org/keywords/metadata-management","display_name":"Metadata management","score":0.5280521512031555},{"id":"https://openalex.org/keywords/cloud-storage","display_name":"Cloud storage","score":0.4770861566066742},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.47341495752334595},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.44476449489593506},{"id":"https://openalex.org/keywords/file-system","display_name":"File system","score":0.4213334918022156},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.4208582937717438},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.32596251368522644},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.09071248769760132}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.9079513549804688},{"id":"https://openalex.org/C93518851","wikidata":"https://www.wikidata.org/wiki/Q180160","display_name":"Metadata","level":2,"score":0.8111028671264648},{"id":"https://openalex.org/C3913047","wikidata":"https://www.wikidata.org/wiki/Q1956265","display_name":"sync","level":3,"score":0.6915229558944702},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.5664956569671631},{"id":"https://openalex.org/C115537543","wikidata":"https://www.wikidata.org/wiki/Q165596","display_name":"Cache","level":2,"score":0.5631346702575684},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.549964964389801},{"id":"https://openalex.org/C2779489174","wikidata":"https://www.wikidata.org/wiki/Q6822246","display_name":"Metadata management","level":3,"score":0.5280521512031555},{"id":"https://openalex.org/C2777059624","wikidata":"https://www.wikidata.org/wiki/Q914359","display_name":"Cloud storage","level":3,"score":0.4770861566066742},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.47341495752334595},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.44476449489593506},{"id":"https://openalex.org/C2780940931","wikidata":"https://www.wikidata.org/wiki/Q174989","display_name":"File system","level":2,"score":0.4213334918022156},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.4208582937717438},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.32596251368522644},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.09071248769760132},{"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:10.1109/tpds.2020.3006655","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tpds.2020.3006655","pdf_url":null,"source":{"id":"https://openalex.org/S97130795","display_name":"IEEE Transactions on Parallel and Distributed Systems","issn_l":"1045-9219","issn":["1045-9219","1558-2183","2161-9883"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Parallel and Distributed Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4300000071525574,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"awards":[{"id":"https://openalex.org/G2224793458","display_name":null,"funder_award_id":"61772300","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5805579215","display_name":null,"funder_award_id":"61832011","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"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":81,"referenced_works":["https://openalex.org/W25727798","https://openalex.org/W53095177","https://openalex.org/W90849252","https://openalex.org/W412467989","https://openalex.org/W1172733195","https://openalex.org/W1416901325","https://openalex.org/W1424350945","https://openalex.org/W1487773734","https://openalex.org/W1504483039","https://openalex.org/W1568181892","https://openalex.org/W1789738249","https://openalex.org/W1808237198","https://openalex.org/W1941364944","https://openalex.org/W1963918257","https://openalex.org/W1964802076","https://openalex.org/W1965869859","https://openalex.org/W1972234887","https://openalex.org/W1974534679","https://openalex.org/W1992755462","https://openalex.org/W2012522344","https://openalex.org/W2027758281","https://openalex.org/W2029467255","https://openalex.org/W2031479196","https://openalex.org/W2044782015","https://openalex.org/W2054485416","https://openalex.org/W2074586513","https://openalex.org/W2080332495","https://openalex.org/W2091389843","https://openalex.org/W2095598180","https://openalex.org/W2099337733","https://openalex.org/W2104292367","https://openalex.org/W2111262474","https://openalex.org/W2131645490","https://openalex.org/W2135652458","https://openalex.org/W2136245133","https://openalex.org/W2155521027","https://openalex.org/W2157808045","https://openalex.org/W2165832195","https://openalex.org/W2171724053","https://openalex.org/W2267406438","https://openalex.org/W2282225439","https://openalex.org/W2319310062","https://openalex.org/W2336314900","https://openalex.org/W2398664262","https://openalex.org/W2410108711","https://openalex.org/W2411915861","https://openalex.org/W2414434731","https://openalex.org/W2534321015","https://openalex.org/W2565376601","https://openalex.org/W2572817543","https://openalex.org/W2725993358","https://openalex.org/W2740453188","https://openalex.org/W2768070465","https://openalex.org/W2786276604","https://openalex.org/W2792365454","https://openalex.org/W2969132550","https://openalex.org/W2992779344","https://openalex.org/W3099592253","https://openalex.org/W6601062244","https://openalex.org/W6602100328","https://openalex.org/W6627708365","https://openalex.org/W6628067820","https://openalex.org/W6628430602","https://openalex.org/W6629140250","https://openalex.org/W6630343179","https://openalex.org/W6633954485","https://openalex.org/W6638354160","https://openalex.org/W6658299756","https://openalex.org/W6675860932","https://openalex.org/W6679471073","https://openalex.org/W6680035241","https://openalex.org/W6693436320","https://openalex.org/W6695654562","https://openalex.org/W6699821053","https://openalex.org/W6712839234","https://openalex.org/W6714608049","https://openalex.org/W6714898417","https://openalex.org/W6728607327","https://openalex.org/W6740365068","https://openalex.org/W6741443139","https://openalex.org/W6987417283"],"related_works":["https://openalex.org/W2524993630","https://openalex.org/W2063547430","https://openalex.org/W2607244263","https://openalex.org/W3202001241","https://openalex.org/W2271302663","https://openalex.org/W2898619034","https://openalex.org/W2131894525","https://openalex.org/W4285137472","https://openalex.org/W2511483174","https://openalex.org/W2465577532"],"abstract_inverted_index":{"NVMe":[0,98],"SSDs":[1],"provide":[2],"extremely":[3],"high":[4],"performance":[5,27],"and":[6,29,116,137,144,182,195],"have":[7],"been":[8],"widely":[9],"deployed":[10],"in":[11,16,60,72,94,159],"distributed":[12],"object":[13],"storage":[14,96],"systems":[15],"data":[17,62,118,185],"centers.":[18],"However,":[19],"we":[20,43,81],"observe":[21],"that":[22,45,150],"there":[23],"are":[24],"still":[25],"severe":[26,58],"degradation":[28],"write":[30,172,186],"amplification":[31],"under":[32,176],"the":[33,46,54,61,73,91,108,122,134,160,171],"unaligned":[34,55,65,92,177],"writes":[35,56,66,93,178],"scenario":[36],"with":[37,97],"high-performance":[38],"SSDs.":[39,99],"In":[40],"this":[41],"article,":[42],"identify":[44],"RMW":[47,109],"sequence":[48],"which":[49,132,188],"is":[50,189],"used":[51],"to":[52,89,106,140,180],"handle":[53],"incurs":[57],"overhead":[59,71],"path.":[63],"Besides,":[64,162],"incur":[67],"additional":[68],"metadata":[69,123,146,175],"management":[70],"block":[74,135],"map":[75,136],"table.":[76],"To":[77,120],"address":[78],"these":[79],"problems,":[80],"propose":[82],"an":[83],"object-based":[84],"device":[85],"system":[86],"named":[87],"NVStore":[88,100,125,151,163],"optimize":[90,121],"cloud":[95],"provides":[101,141,152],"a":[102,127,142],"Flexible":[103],"Cache":[104],"Management":[105,131],"reduce":[107,165],"operations":[110],"while":[111],"supporting":[112],"lazy":[113],"page":[114],"sync":[115],"ensuring":[117],"consistency.":[119],"management,":[124],"proposes":[126],"KV":[128],"Affinity":[129],"Metadata":[130],"co-designs":[133],"key-value":[138],"store":[139],"flattened":[143],"decoupled":[145],"management.":[147],"Evaluations":[148],"show":[149],"at":[153,166],"most":[154,167],"6.11\u00d7":[155],"bandwidth":[156],"of":[157,170,193,198],"BlueStore":[158,181,194],"cluster.":[161],"can":[164],"94.7":[168],"percent":[169,192,197],"traffic":[173,187],"from":[174],"compared":[179],"achieves":[183],"smaller":[184],"about":[190],"50":[191],"65.7":[196],"FileStore.":[199]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}