{"id":210021,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00210021","sets":["1164:2240:10556:10557"]},"path":["10557"],"owner":"44499","recid":"210021","title":["DAOSファイルシステムの性能評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-03-08"},"_buckets":{"deposit":"6f34f6fc-2dd6-4eed-b3c0-2e630e3e948a"},"_deposit":{"id":"210021","pid":{"type":"depid","value":"210021","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"DAOSファイルシステムの性能評価","author_link":["530850","530849"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"DAOSファイルシステムの性能評価"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"HPCシステム","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2021-03-08","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"筑波大学情報学群情報科学類"},{"subitem_text_value":"筑波大学計算科学研究センター"}]},"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/210021/files/IPSJ-HPC21178023.pdf","label":"IPSJ-HPC21178023.pdf"},"date":[{"dateType":"Available","dateValue":"2023-03-08"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC21178023.pdf","filesize":[{"value":"618.3 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":"14"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"73a8683f-b285-43d0-aa74-d29b8bcc9326","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2021 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"巨畠, 和樹"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"建部, 修見"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10463942","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":"2188-8841","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"大規模なデータを処理するワークロードが年々増加しており，高性能な分散ファイルシステムへの需要が高まっている．そこでバイト単位でアクセス可能で，電源がなくてもデータを保持できる不揮発性メモリをストレージシステムへ導入することが検討されている．しかし，従来のディスクデバイスをストレージとして用いていたストレージシステムへ不揮発性メモリを導入した場合に不要なレイテンシが発生することが懸念されている．したがって不揮発性メモリの特徴を生かした新たなストレージソフトウェアの設計が必要である．DAOS は不揮発性メモリの利用を前提として設計されたオブジェクトストレージである．本研究では DAOS で構成されるファイルシステムについて実装の特徴を元にその性能評価を行った．実験の結果，複数の条件によって性能向上が可能であることを示した．またファイルシステムへのアクセス方法によって性能が大きく変わることが分かった．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"9","bibliographic_titles":[{"bibliographic_title":"研究報告ハイパフォーマンスコンピューティング（HPC）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2021-03-08","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"23","bibliographicVolumeNumber":"2021-HPC-178"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"updated":"2025-01-19T18:18:13.708088+00:00","created":"2025-01-19T01:11:17.718312+00:00","links":{}}