{"links":{},"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:02004240","sets":["1164:4088:11911:1756879904860"]},"path":["1756879904860"],"owner":"80578","recid":"2004240","title":["仮想化システムのスループット向上のための仮想CPUの休眠と起床の最適化"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2025-09-18"},"_buckets":{"deposit":"9a79e80f-2537-4609-bc51-90795ef6c8c4"},"_deposit":{"id":"2004240","pid":{"type":"depid","value":"2004240","revision_id":0},"owners":[80578],"status":"published","created_by":80578},"item_title":"仮想化システムのスループット向上のための仮想CPUの休眠と起床の最適化","author_link":[],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"仮想化システムのスループット向上のための仮想CPUの休眠と起床の最適化","subitem_title_language":"ja"}]},"item_type_id":"4","publish_date":"2025-09-18","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":"Grenoble INP-UGA"},{"subitem_text_value":"慶應義塾大学"}]},"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/2004240/files/IPSJ-IOT25071013.pdf","label":"IPSJ-IOT25071013.pdf"},"date":[{"dateType":"Available","dateValue":"2027-09-18"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-IOT25071013.pdf","filesize":[{"value":"1.0 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":"43"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"08519230-6ce5-4a8d-aa0e-2c88c5cb923e","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2025 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"相馬,大地"}]},{"creatorNames":[{"creatorName":"石黒,健太"}]},{"creatorNames":[{"creatorName":"河野,健二"}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA12326962","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":"2188-8787","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"パブリッククラウドなどのマルチテナント環境では，仮想化技術が広く用いられている．仮想化によりテナント間でのリソースの共有が容易になる一方で，ハイパーバイザの介入によるオーバーヘッドが発生する．本論文では，仮想CPUの休眠と起床が頻発するデータベースなどのワークロードは，仮想化によりスループットが大きく低下することを示す．その原因は，仮想CPUの休眠・起床時にタイマ割込みを再設定するにあたり，VM exitが複数回発生するためである．タイマの再設定を仮想マシンではなくハイパーバイザに行わせることで，スループット低下の要因となるVM exitを回避する手法を提案する．この手法をLinux 5.15.0に実装し，バニラのLinuxと比較したところ，PostgreSQLでは最大12%，MySQLでは最大4%スループットが向上した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"7","bibliographic_titles":[{"bibliographic_title":"研究報告インターネットと運用技術（IOT）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2025-09-18","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"13","bibliographicVolumeNumber":"2025-IOT-71"}]},"relation_version_is_last":true,"weko_creator_id":"80578"},"created":"2025-09-03T07:03:34.567957+00:00","updated":"2025-09-03T07:03:38.552623+00:00","id":2004240}