{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00195895","sets":["1164:1867:9726:9793"]},"path":["9793"],"owner":"44499","recid":"195895","title":["部分的なメモリ故障への耐性を有するインメモリキーバリューストア"],"pubdate":{"attribute_name":"公開日","attribute_value":"2019-05-23"},"_buckets":{"deposit":"b7cac10c-8473-45cd-a787-a03e80bf2f0d"},"_deposit":{"id":"195895","pid":{"type":"depid","value":"195895","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"部分的なメモリ故障への耐性を有するインメモリキーバリューストア","author_link":["468006","468005"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"部分的なメモリ故障への耐性を有するインメモリキーバリューストア"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"ストレージ","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2019-05-23","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京農工大学"},{"subitem_text_value":"東京農工大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"TUAT","subitem_text_language":"en"},{"subitem_text_value":"TUAT","subitem_text_language":"en"}]},"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/195895/files/IPSJ-OS19146011.pdf","label":"IPSJ-OS19146011.pdf"},"date":[{"dateType":"Available","dateValue":"2021-05-23"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-OS19146011.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":"11"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"cc3af9db-ea18-4961-8ead-df1eee84561d","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2019 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"下村, 剛志"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"山田, 浩史"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10444176","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":"2188-8795","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"メモリは外的要因によるビットフリップやモジュールの故障により保存したデータが呼び出せなくなることがある．特に　In-Memory Key-Value Store（In-Memory KVS）はメモリを大量に使用するのでメモリページのエラーに遭遇する可能性が高いアプリケーションの一つである．しかし，In-Memory KVS はメモリ上に全ての key-value を展開しており，再起動にかかるコストが高い．既存研究では ECC などの誤り訂正符号を用いたエラーの回復を行っているが，広範囲に渡るメモリのエラーには対応できていない．本論文では，メモリに部分的な故障が生じたとしても，In-Memory KVS を継続して稼働可能にする手法を提案する．提案手法では OS Kernel と In-Memory KVS を連携させ，メモリページのエラー発生時に破損ページに保存されていたデータオブジェクトの回復処理を行い，動作を継続させる．本研究では Linux Kernel 4.13.9 と memcached 1.4.39 に提案手法の実装を行った．評価実験を行い，メモリエラー発生時でも約 3 秒のダウンタイムでスループットの劣化無しに動作が継続することを確認した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"10","bibliographic_titles":[{"bibliographic_title":"研究報告システムソフトウェアとオペレーティング・システム（OS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2019-05-23","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"11","bibliographicVolumeNumber":"2019-OS-146"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":195895,"updated":"2025-01-19T22:53:41.767010+00:00","links":{},"created":"2025-01-19T01:00:46.663738+00:00"}