{"created":"2025-01-19T00:53:04.440658+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00186016","sets":["1164:1867:9409:9410"]},"path":["9410"],"owner":"11","recid":"186016","title":["ファイルシステムにおけるtail latencyの定量的分析"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-02-20"},"_buckets":{"deposit":"491d1a1b-2df4-4410-8a64-0adbe7e27e39"},"_deposit":{"id":"186016","pid":{"type":"depid","value":"186016","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"ファイルシステムにおけるtail latencyの定量的分析","author_link":["415667","415666"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ファイルシステムにおけるtail latencyの定量的分析"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"ストレージ","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2018-02-20","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"慶應義塾大学"},{"subitem_text_value":"慶應義塾大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Keio Uniersity","subitem_text_language":"en"},{"subitem_text_value":"Keio Uniersity","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/186016/files/IPSJ-OS18142003.pdf","label":"IPSJ-OS18142003.pdf"},"date":[{"dateType":"Available","dateValue":"2020-02-20"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-OS18142003.pdf","filesize":[{"value":"303.3 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"11"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"359e146a-4ef2-4394-b916-0a1e4c908d3e","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2018 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"青田, 直大"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"河野, 健二"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10444176","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8795","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"ファイルシステムにおけるテール ・ レイテンシ (tail latency) は，サービス品質を保証する上での障壁となることが知られている．現在のファイルシステムにおける最適化は，アクセス性能を平均的に向上させることを主目的としているため，アクセス状況によってはすべての最適化が無効となり，テール ・ レイテンシが増大する傾向にある．テール ・ レイテンシが増大する状況は，メタデータの管理手法，最適化の手法，アクセスパターンによって異なってくる．本研究では，btrfs，ext4，XFS，F2FS という 4 つのファイルシステムを対象に，テール ・ レイテンシが増大する要因を定量的に分析した結果を示す．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"7","bibliographic_titles":[{"bibliographic_title":"研究報告システムソフトウェアとオペレーティング・システム（OS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2018-02-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicVolumeNumber":"2018-OS-142"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"links":{},"id":186016,"updated":"2025-01-20T02:44:43.777409+00:00"}