{"id":"https://openalex.org/W2058217961","doi":"https://doi.org/10.1145/2803140.2803141","title":"Write Amplification","display_name":"Write Amplification","publication_year":2015,"publication_date":"2015-08-26","ids":{"openalex":"https://openalex.org/W2058217961","doi":"https://doi.org/10.1145/2803140.2803141","mag":"2058217961"},"language":"en","primary_location":{"id":"doi:10.1145/2803140.2803141","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2803140.2803141","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 3rd VLDB Workshop on In-Memory Data Mangement and Analytics","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/A5101819642","display_name":"Jae-Myung Kim","orcid":"https://orcid.org/0009-0005-3157-495X"},"institutions":[{"id":"https://openalex.org/I151746483","display_name":"University of Waterloo","ror":"https://ror.org/01aff2v68","country_code":"CA","type":"education","lineage":["https://openalex.org/I151746483"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Jaemyung Kim","raw_affiliation_strings":["Cheriton School of Computer Science, University of Waterloo","Cheriton School of Computer Science, University of Waterloo#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cheriton School of Computer Science, University of Waterloo","institution_ids":["https://openalex.org/I151746483"]},{"raw_affiliation_string":"Cheriton School of Computer Science, University of Waterloo#TAB#","institution_ids":["https://openalex.org/I151746483"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035977189","display_name":"Kenneth Salem","orcid":"https://orcid.org/0000-0003-0409-9725"},"institutions":[{"id":"https://openalex.org/I151746483","display_name":"University of Waterloo","ror":"https://ror.org/01aff2v68","country_code":"CA","type":"education","lineage":["https://openalex.org/I151746483"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Kenneth Salem","raw_affiliation_strings":["Cheriton School of Computer Science, University of Waterloo","Cheriton School of Computer Science, University of Waterloo#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cheriton School of Computer Science, University of Waterloo","institution_ids":["https://openalex.org/I151746483"]},{"raw_affiliation_string":"Cheriton School of Computer Science, University of Waterloo#TAB#","institution_ids":["https://openalex.org/I151746483"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003678528","display_name":"Khuzaima Daudjee","orcid":"https://orcid.org/0009-0002-7036-0397"},"institutions":[{"id":"https://openalex.org/I151746483","display_name":"University of Waterloo","ror":"https://ror.org/01aff2v68","country_code":"CA","type":"education","lineage":["https://openalex.org/I151746483"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Khuzaima Daudjee","raw_affiliation_strings":["Cheriton School of Computer Science, University of Waterloo","Cheriton School of Computer Science, University of Waterloo#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cheriton School of Computer Science, University of Waterloo","institution_ids":["https://openalex.org/I151746483"]},{"raw_affiliation_string":"Cheriton School of Computer Science, University of Waterloo#TAB#","institution_ids":["https://openalex.org/I151746483"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I151746483"],"apc_list":null,"apc_paid":null,"fwci":0.2647,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.43443132,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"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":0.9995999932289124,"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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":0.8056809902191162},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.7591633200645447},{"id":"https://openalex.org/keywords/auxiliary-memory","display_name":"Auxiliary memory","score":0.5864555239677429},{"id":"https://openalex.org/keywords/computer-data-storage","display_name":"Computer data storage","score":0.5478862524032593},{"id":"https://openalex.org/keywords/variety","display_name":"Variety (cybernetics)","score":0.4713056981563568},{"id":"https://openalex.org/keywords/storage-efficiency","display_name":"Storage efficiency","score":0.4634527862071991},{"id":"https://openalex.org/keywords/storage-management","display_name":"Storage management","score":0.412602037191391},{"id":"https://openalex.org/keywords/storage-model","display_name":"Storage model","score":0.4108760952949524},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.18061843514442444},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.06425249576568604}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8056809902191162},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.7591633200645447},{"id":"https://openalex.org/C82687282","wikidata":"https://www.wikidata.org/wiki/Q66221","display_name":"Auxiliary memory","level":2,"score":0.5864555239677429},{"id":"https://openalex.org/C194739806","wikidata":"https://www.wikidata.org/wiki/Q66221","display_name":"Computer data storage","level":2,"score":0.5478862524032593},{"id":"https://openalex.org/C136197465","wikidata":"https://www.wikidata.org/wiki/Q1729295","display_name":"Variety (cybernetics)","level":2,"score":0.4713056981563568},{"id":"https://openalex.org/C121838778","wikidata":"https://www.wikidata.org/wiki/Q7619924","display_name":"Storage efficiency","level":2,"score":0.4634527862071991},{"id":"https://openalex.org/C2984984529","wikidata":"https://www.wikidata.org/wiki/Q7619925","display_name":"Storage management","level":2,"score":0.412602037191391},{"id":"https://openalex.org/C2779659223","wikidata":"https://www.wikidata.org/wiki/Q7619926","display_name":"Storage model","level":2,"score":0.4108760952949524},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.18061843514442444},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.06425249576568604}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2803140.2803141","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2803140.2803141","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 3rd VLDB Workshop on In-Memory Data Mangement and Analytics","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1920727200","https://openalex.org/W1998663979","https://openalex.org/W2014977566","https://openalex.org/W2054075931","https://openalex.org/W2141710443","https://openalex.org/W2155070484","https://openalex.org/W2159479644","https://openalex.org/W2205436351","https://openalex.org/W4229654780","https://openalex.org/W6683210214"],"related_works":["https://openalex.org/W2080470135","https://openalex.org/W2393352797","https://openalex.org/W2049614249","https://openalex.org/W2365958426","https://openalex.org/W2158302790","https://openalex.org/W4293517981","https://openalex.org/W2050153367","https://openalex.org/W2362593014","https://openalex.org/W4235214584","https://openalex.org/W1970765876"],"abstract_inverted_index":{"Modern":[0],"in-memory":[1,16,61],"database":[2,13,17,22,25,62],"systems":[3,18],"perform":[4,85],"transactions":[5],"an":[6],"order":[7],"of":[8,32,57,67,77,80,105,113],"magnitude":[9],"faster":[10],"than":[11],"conventional":[12],"systems.":[14],"While":[15],"can":[19,27],"read":[20],"the":[21,65,74],"without":[23],"I/O,":[24,33],"updates":[26,35,87],"generate":[28],"a":[29,55,111],"substantial":[30],"amount":[31],"since":[34],"must":[36],"normally":[37],"be":[38],"written":[39],"to":[40,44,100],"persistent":[41],"secondary":[42,89],"storage":[43,58,75,81,106],"ensure":[45],"that":[46,84,93],"they":[47],"are":[48],"durable.":[49],"In":[50],"this":[51],"paper":[52],"we":[53],"present":[54],"study":[56],"managers":[59],"for":[60],"systems,":[63],"with":[64],"goal":[66],"characterizing":[68],"their":[69],"I/O":[70,108],"efficiency.":[71],"We":[72],"model":[73],"efficiency":[76],"two":[78],"classes":[79],"managers:":[82],"those":[83,92],"in-place":[86],"in":[88],"storage,":[90],"and":[91],"use":[94],"copy-on-write.":[95],"Our":[96],"models":[97],"allow":[98],"us":[99],"make":[101],"meaningful,":[102],"quantitative":[103],"comparisons":[104],"managers'":[107],"efficiencies":[109],"under":[110],"variety":[112],"conditions.":[114]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}