{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00218969","sets":["1164:2240:10902:10971"]},"path":["10971"],"owner":"44499","recid":"218969","title":["CHFSアドホック並列分散ファイルシステムのアクセス性能の評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-07-20"},"_buckets":{"deposit":"cea49a3a-2475-49c8-9672-72f155be221d"},"_deposit":{"id":"218969","pid":{"type":"depid","value":"218969","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"CHFSアドホック並列分散ファイルシステムのアクセス性能の評価","author_link":["570523"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"CHFSアドホック並列分散ファイルシステムのアクセス性能の評価"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"分散ファイルシステム","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2022-07-20","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"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/218969/files/IPSJ-HPC22185031.pdf","label":"IPSJ-HPC22185031.pdf"},"date":[{"dateType":"Available","dateValue":"2024-07-20"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC22185031.pdf","filesize":[{"value":"657.0 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":"0cb7e919-1c7a-48fd-bfc1-77a6a4f95efd","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2022 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"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":"スーパコンピュータにおける I/O 性能の向上のため，計算ノードローカルのストレージを用いるアドホック並列分散ファイルシステムの研究開発が進んでいる．本研究では，CHFS アドホック並列分散ファイルシステムの性能評価をすすめ，ハッシング方式，並列 FIND の性能，シングルプロセスからのアクセス性能，単一共有ファイルのオープンコストについて評価を行い，それぞれの問題について CHFS の設計に基づき問題解決を図る．その結果，ハッシング方式をモジュラハッシングにすることにより負荷分散の問題が解決し性能も 1.4 倍から 2.5 倍となった．並列 FIND の性能は API を新設することによりスケーラブルな性能が達成できるようになった．シングルプロセスからのアクセスについては，非同期 RPC を導入することにより大幅な性能改善が可能であった．単一共有ファイルのオープンコストについては，各クライアントに対するコンタクトサーバを導入しキャッシュすることにより大幅なコスト削減が可能であった．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告ハイパフォーマンスコンピューティング（HPC）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2022-07-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"31","bibliographicVolumeNumber":"2022-HPC-185"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":218969,"updated":"2025-01-19T14:58:11.875917+00:00","links":{},"created":"2025-01-19T01:19:18.628309+00:00"}