{"updated":"2025-01-19T07:45:27.632108+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00241056","sets":["6164:6165:6617:11855"]},"path":["11855"],"owner":"44499","recid":"241056","title":["軽量IO自動適用を用いたKVストレージエンジンの性能改善"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-11-25"},"_buckets":{"deposit":"df42ddc0-aa75-4080-98e8-c440963e0bd0"},"_deposit":{"id":"241056","pid":{"type":"depid","value":"241056","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"軽量IO自動適用を用いたKVストレージエンジンの性能改善","author_link":["662991","662995","662992","662990","662993","662994"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"軽量IO自動適用を用いたKVストレージエンジンの性能改善"}]},"item_type_id":"18","publish_date":"2024-11-25","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_18_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"KIOXIA Corporation"},{"subitem_text_value":"KIOXIA Corporation"},{"subitem_text_value":"KIOXIA Corporation"},{"subitem_text_value":"KIOXIA Corporation"},{"subitem_text_value":"KIOXIA Corporation"},{"subitem_text_value":"KIOXIA Corporation"}]},"item_18_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"KIOXIA Corporation","subitem_text_language":"en"},{"subitem_text_value":"KIOXIA Corporation","subitem_text_language":"en"},{"subitem_text_value":"KIOXIA Corporation","subitem_text_language":"en"},{"subitem_text_value":"KIOXIA Corporation","subitem_text_language":"en"},{"subitem_text_value":"KIOXIA Corporation","subitem_text_language":"en"},{"subitem_text_value":"KIOXIA Corporation","subitem_text_language":"en"}]},"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/241056/files/IPSJ-ComSys2024009.pdf","label":"IPSJ-ComSys2024009.pdf"},"date":[{"dateType":"Available","dateValue":"2026-11-25"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-ComSys2024009.pdf","filesize":[{"value":"2.1 MB"}],"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":"b1229752-c4ff-4920-a2dd-b9c9d3bad225","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Information Processing Society of Japan"}]},"item_18_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"鈴木, 智哉"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"檜田, 和浩"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"坂東, 洋介"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"佐野, 伸太郎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中西, 悠"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"塩沢, 竜生"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_5794","resourcetype":"conference paper"}]},"item_18_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"我々は，既存のキーバリュー (KV) ストレージエンジンを，軽量 IO を自動適用することで高速化する CLAP を提案する．高スループットの KV ストレージエンジンでは，しばしば従来の同期 IO を使用しているために，IO 処理に多くの CPU サイクルを消費する．CPU オーバーヘッドを削減するためには，非同期ポーリング IO ライブラリやユーザ空間 IO ライブラリが有望である．しかし，既存の KV ストレージエンジンにおいて同期I O の代わりにそれらのライブラリを使用し，より高い性能を実現するには，通常は負担の大きいソースコードの書き換えが必要である．我々が提案する CLAP は，一部のケースを除いてソースコードを変更することなく，IO のための CPU 時間の大幅な削減を可能にする．非同期ポーリング IO とユーザレベルスレッドを活用し，同期 IO を CPU オーバーヘッドの少ない軽量なものに動的に置き換える．従来の同期 IO では 1 アクセスあたり 3.73us の CPU 時間を消費するが，io_uring を用いた CLAP では 1.88us，全てユーザ空間で実行するカスタム IO スタックを利用した CLAP では 315ns しか消費しない．CLAP を RocksDB と WiredTiger に適用し，IO の CPU 時間を短縮することで，最大 50% のスループット向上を達成した．","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"73","bibliographic_titles":[{"bibliographic_title":"コンピュータシステム・シンポジウム論文集"}],"bibliographicPageStart":"65","bibliographicIssueDates":{"bibliographicIssueDate":"2024-11-25","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"2024"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:45:36.178042+00:00","id":241056,"links":{}}