{"id":"https://openalex.org/W2885423962","doi":"https://doi.org/10.1145/3225058.3225072","title":"Efficient Search for Free Blocks in the WAFL File System","display_name":"Efficient Search for Free Blocks in the WAFL File System","publication_year":2018,"publication_date":"2018-08-08","ids":{"openalex":"https://openalex.org/W2885423962","doi":"https://doi.org/10.1145/3225058.3225072","mag":"2885423962"},"language":"en","primary_location":{"id":"doi:10.1145/3225058.3225072","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3225058.3225072","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 47th International Conference on Parallel Processing","raw_type":"proceedings-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/A5079277319","display_name":"Ram Kesavan","orcid":null},"institutions":[{"id":"https://openalex.org/I1283576576","display_name":"NetApp (United States)","ror":"https://ror.org/05c4cm338","country_code":"US","type":"company","lineage":["https://openalex.org/I1283576576"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Ram Kesavan","raw_affiliation_strings":["NetApp, Inc, Sunnyvale, California"],"affiliations":[{"raw_affiliation_string":"NetApp, Inc, Sunnyvale, California","institution_ids":["https://openalex.org/I1283576576"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045472283","display_name":"Matthew Curtis-Maury","orcid":null},"institutions":[{"id":"https://openalex.org/I1283576576","display_name":"NetApp (United States)","ror":"https://ror.org/05c4cm338","country_code":"US","type":"company","lineage":["https://openalex.org/I1283576576"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Matthew Curtis-Maury","raw_affiliation_strings":["NetApp, Inc, RTP, North Carolina"],"affiliations":[{"raw_affiliation_string":"NetApp, Inc, RTP, North Carolina","institution_ids":["https://openalex.org/I1283576576"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036964323","display_name":"Mrinal K. Bhattacharjee","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mrinal K. Bhattacharjee","raw_affiliation_strings":["NetApp, Inc, Bangalore, India"],"affiliations":[{"raw_affiliation_string":"NetApp, Inc, Bangalore, India","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5079277319"],"corresponding_institution_ids":["https://openalex.org/I1283576576"],"apc_list":null,"apc_paid":null,"fwci":0.1845,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.54519156,"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":"10"},"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9980999827384949,"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"}},{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.9908999800682068,"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/allocator","display_name":"Allocator","score":0.885303795337677},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8038727045059204},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5703635811805725},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5243913531303406},{"id":"https://openalex.org/keywords/raid","display_name":"RAID","score":0.4899134039878845},{"id":"https://openalex.org/keywords/file-system","display_name":"File system","score":0.4607224762439728},{"id":"https://openalex.org/keywords/block-size","display_name":"Block size","score":0.4467132091522217},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.4364369511604309},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.39364928007125854},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.3923288881778717},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.07759109139442444}],"concepts":[{"id":"https://openalex.org/C162262903","wikidata":"https://www.wikidata.org/wiki/Q343527","display_name":"Allocator","level":2,"score":0.885303795337677},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8038727045059204},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5703635811805725},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5243913531303406},{"id":"https://openalex.org/C133320665","wikidata":"https://www.wikidata.org/wiki/Q179299","display_name":"RAID","level":2,"score":0.4899134039878845},{"id":"https://openalex.org/C2780940931","wikidata":"https://www.wikidata.org/wiki/Q174989","display_name":"File system","level":2,"score":0.4607224762439728},{"id":"https://openalex.org/C41431624","wikidata":"https://www.wikidata.org/wiki/Q1053357","display_name":"Block size","level":3,"score":0.4467132091522217},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.4364369511604309},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.39364928007125854},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.3923288881778717},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.07759109139442444},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.0},{"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:10.1145/3225058.3225072","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3225058.3225072","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 47th International Conference on Parallel Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W60569950","https://openalex.org/W162515996","https://openalex.org/W1172733195","https://openalex.org/W1622719107","https://openalex.org/W1964802076","https://openalex.org/W1973056013","https://openalex.org/W2067182386","https://openalex.org/W2100100130","https://openalex.org/W2108183412","https://openalex.org/W2114167330","https://openalex.org/W2135652458","https://openalex.org/W2147504831","https://openalex.org/W2157762234","https://openalex.org/W2168643770","https://openalex.org/W2258963578","https://openalex.org/W2604247746","https://openalex.org/W2604540366","https://openalex.org/W2605252853","https://openalex.org/W2605350375","https://openalex.org/W2605461040","https://openalex.org/W2750605654","https://openalex.org/W2756734609","https://openalex.org/W2788020988","https://openalex.org/W2908506243","https://openalex.org/W2914685418","https://openalex.org/W3105247017","https://openalex.org/W4233128776","https://openalex.org/W4248578633"],"related_works":["https://openalex.org/W4252124899","https://openalex.org/W2995711473","https://openalex.org/W2103998189","https://openalex.org/W2371108673","https://openalex.org/W2279423064","https://openalex.org/W193291814","https://openalex.org/W2147100443","https://openalex.org/W2230581898","https://openalex.org/W2118968814","https://openalex.org/W2272661342"],"abstract_inverted_index":{"The":[0,32],"WAFL\u00ae":[1],"write":[2,20,40,101],"allocator":[3,41,102],"is":[4,49,57],"responsible":[5],"for":[6],"assigning":[7],"blocks":[8],"on":[9],"persistent":[10],"storage":[11,24],"to":[12,22,34,51,103],"data":[13],"in":[14],"a":[15],"way":[16],"that":[17,53],"maximizes":[18],"both":[19],"throughput":[21],"the":[23,39,95,99],"media":[25],"and":[26,36,86,93],"subsequent":[27],"read":[28],"performance":[29],"of":[30,45,74,81,107],"data.":[31],"ability":[33,56],"quickly":[35],"efficiently":[37,104],"guide":[38],"toward":[42],"desirable":[43],"regions":[44,106],"available":[46],"free":[47,87,108],"space":[48,88],"critical":[50],"achieving":[52],"goal.":[54],"This":[55,90],"influenced":[58],"by":[59,98],"several":[60],"factors,":[61],"such":[62,70],"as":[63,71],"any":[64],"underlying":[65],"RAID":[66],"geometry,":[67],"media-specific":[68],"attributes":[69],"erase-block":[72],"size":[73,80],"solid":[75],"state":[76],"drives":[77],"or":[78],"zone":[79],"shingled":[82],"magnetic":[83],"hard":[84],"drives,":[85],"fragmentation.":[89],"paper":[91],"presents":[92],"evaluates":[94],"techniques":[96],"used":[97],"WAFL":[100],"find":[105],"space.":[109]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
