{"updated":"2025-01-20T12:52:05.207985+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00142110","sets":["1164:1579:7841:8259"]},"path":["8259"],"owner":"11","recid":"142110","title":["<i>P</i>-WAL: 並列ログ先行書き込みの提案"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-05-19"},"_buckets":{"deposit":"002c2e52-a4a2-4b0a-bf03-1bcdba7afc71"},"_deposit":{"id":"142110","pid":{"type":"depid","value":"142110","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"<i>P</i>-WAL: 並列ログ先行書き込みの提案","author_link":["209718","209717","209719"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"<i>P</i>-WAL: 並列ログ先行書き込みの提案"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"データベース管理システム","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2015-05-19","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"筑波大学大学院システム情報工学研究科コンピュータサイエンス専攻"},{"subitem_text_value":"筑波大学システム情報系"},{"subitem_text_value":"筑波大学システム情報系"}]},"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/142110/files/IPSJ-ARC15215018.pdf","label":"IPSJ-ARC15215018"},"date":[{"dateType":"Available","dateValue":"2017-05-19"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-ARC15215018.pdf","filesize":[{"value":"1.3 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":"16"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"6cf0ab09-4789-41d6-9a3e-66f1749e8515","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2015 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"神谷, 孝明"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"川島, 英之"}],"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":"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":"本研究では ioDrive をストレージデバイスとする時にふさわしい WAL プロトコルとして P-WAL を提案する．まず，ioDrive においては並列ランダムライト時の I/O アクセス性能がシーケンシャルライトよりも高速になることを示す．そのような状況において，I/O アクセスと排他制御処理による性能劣化の問題に対処するために，P-WAL はそれぞれのログライタが専用の領域にログを書き込む，並列ログ書き込み方式を採用する．P-WAL の評価を行うため，数種類のモジュールからなるプロトタイプのトランザクションマネージャを設計する．これを用いて，スレッド数やグループコミットのパラメータを変化させ，従来方式の WAL と P-WAL の性能比較を行う．スレッド数を 16，グループコミットのパラメータを 16 にした時，P-WAL は 172,018 tps の性能を発揮し，従来方式と比べて，3.23 倍の性能向上を達成することを示す．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"10","bibliographic_titles":[{"bibliographic_title":"研究報告システム・アーキテクチャ（ARC）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2015-05-19","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"18","bibliographicVolumeNumber":"2015-ARC-215"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:19:36.218343+00:00","id":142110,"links":{}}