{"created":"2025-01-19T01:40:21.513078+00:00","updated":"2025-01-19T08:49:19.506185+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00237624","sets":["1164:1579:11464:11703"]},"path":["11703"],"owner":"44499","recid":"237624","title":["vLogリシャーディングによるキーバリューストアの範囲クエリの高速化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-08-01"},"_buckets":{"deposit":"261cf9de-fef1-4da0-9ee9-af774396159d"},"_deposit":{"id":"237624","pid":{"type":"depid","value":"237624","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"vLogリシャーディングによるキーバリューストアの範囲クエリの高速化","author_link":["650849","650850"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"vLogリシャーディングによるキーバリューストアの範囲クエリの高速化"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"アクセラレーション技術","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2024-08-01","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":"東京工業大学"}]},"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/237624/files/IPSJ-ARC24258030.pdf","label":"IPSJ-ARC24258030.pdf"},"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-ARC24258030.pdf","filesize":[{"value":"1.4 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"16"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_login","version_id":"af1b11c2-e240-4bab-98bc-f7e146fe81fb","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Institute of Electronics, Information and Communication Engineers This SIG report is only available to those in membership of the SIG."}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"杉浦, 直人"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"藤木, 大地"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10096105","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":"2188-8574","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"現代のキーバリューストアは，高い書き込みスループットを実現するために，ログ構造化マージツリー（LSM-tree）を利用することが多い．しかし，LSM-tree は本質的に高い読み書き増幅に悩まされている．キーから大きなバリューを分離し，バリューを別のバリューログに格納する技術であるキーバリュー分離は，この問題を緩和する有望な解決策として注目されている．しかし，その可能性にもかかわらず，既存のキーバリュー分離設計は，更新と範囲クエリの両方を同時に最適化するのに苦戦している．この制限を克服するために，更新と範囲クエリの両方に優れた性能を発揮する新しいキーバリューストア設計である SharK を提案する．SharK は，バリューログをシャードに分割し，範囲に基づいてバリューを格納することで範囲クエリの性能を向上させる．リシャーディングを通じて適応的なバリュー管理を行うことで，キー分布が変動しても一貫した性能を維持する．SharK は，動的なリシャーディングを伴うシャードごとのガベージコレクションを実行することで，効率的な更新性能を保証する．SharK は他のキーバリュー分離設計と比較して，範囲クエリ性能が優れていることを示しながら，更新性能も同等であることを示す．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告システム・アーキテクチャ（ARC）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2024-08-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"30","bibliographicVolumeNumber":"2024-ARC-258"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":237624,"links":{}}