{"id":69,"date":"2020-06-06T20:51:06","date_gmt":"2020-06-06T11:51:06","guid":{"rendered":"http:\/\/www.cybergarage.org\/memo\/?p=69"},"modified":"2024-02-03T20:53:03","modified_gmt":"2024-02-03T11:53:03","slug":"self-designing-kvs","status":"publish","type":"post","link":"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/","title":{"rendered":"\u81ea\u5df1\u8a2d\u8a08(Self-Design)\u3068\u8a2d\u8a08\u9023\u7d9a\u4f53(Design Continuums)\u306e\u6982\u5ff5\u306b\u3064\u3044\u3066"},"content":{"rendered":"<p>\u81ea\u5df1\u8a2d\u8a08\u30b7\u30b9\u30c6\u30e0\u3068\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u9078\u629e\u53ef\u80fd\u306a\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u304b\u3089\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3068\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306b\u6700\u9069\u306a\u7d44\u307f\u5408\u308f\u305b\u3092\u81ea\u52d5\u7684\u306b\u751f\u6210\u3059\u308b\u3068\u3044\u3046\u6982\u5ff5\u306e\u3082\u306e\u3067\u3059<a href=\"https:\/\/stratos.seas.harvard.edu\/files\/stratos\/files\/datacalculator.pdf\">[1]<\/a>\u3002\u4eca\u56de\u306f\u3001\u3053\u306e\u81ea\u5df1\u8a2d\u8a08\u30b7\u30b9\u30c6\u30e0\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u306e\u8457\u8005\u306e\u3001\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u3092\u984c\u6750\u3068\u3057\u305f\u76f4\u8fd1\u306e\u8ad6\u6587\u3092\u7d39\u4ecb\u3057\u3066\u307f\u307e\u3059<a href=\"https:\/\/nivdayan.github.io\/selfdesign.pdf\">[2]<\/a>\u3002<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E8%87%AA%E5%B7%B1%E8%A8%AD%E8%A8%88%E3%81%AB%E3%82%88%E3%82%8B%E3%82%AB%E3%82%B9%E3%82%BF%E3%83%9E%E3%82%A4%E3%82%BA_Customization_through_Self-Design%E3%81%A8%E3%81%AF\" >\u81ea\u5df1\u8a2d\u8a08\u306b\u3088\u308b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba (Customization through Self-Design)\u3068\u306f?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E3%82%AD%E3%83%BC%E3%83%90%E3%83%AA%E3%83%A5%E3%83%BC%E3%82%B9%E3%83%88%E3%82%A2%E3%81%A8%E3%81%AF%EF%BC%9F\" >\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u3068\u306f\uff1f<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E4%B8%BB%E8%A6%81%E3%81%AAKey-Value%E3%83%87%E3%83%BC%E3%82%BF%E6%A7%8B%E9%80%A0\" >\u4e3b\u8981\u306aKey-Value\u30c7\u30fc\u30bf\u69cb\u9020<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#BTree\" >B+Tree<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#LSM%E3%83%84%E3%83%AA%E3%83%BC\" >LSM\u30c4\u30ea\u30fc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E3%81%9D%E3%81%AE%E4%BB%96_LSH%E3%83%86%E3%83%BC%E3%83%96%E3%83%AB%E3%80%81%E3%83%8F%E3%82%A4%E3%83%96%E3%83%AA%E3%83%83%E3%83%89%E3%81%AA%E6%A7%8B%E6%88%90%E3%81%AA%E3%81%A9\" >\u305d\u306e\u4ed6 (LSH\u30c6\u30fc\u30d6\u30eb\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u306a\u69cb\u6210\u306a\u3069)<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E8%87%AA%E5%B7%B1%E8%A8%AD%E8%A8%88Self-Design%E3%81%AE%E7%9B%AE%E7%9A%84\" >\u81ea\u5df1\u8a2d\u8a08(Self-Design)\u306e\u76ee\u7684<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E9%80%A3%E7%B6%9A%E4%BD%93Design_Continuums%E3%81%AE%E6%A6%82%E5%BF%B5\" >\u9023\u7d9a\u4f53(Design Continuums)\u306e\u6982\u5ff5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E7%B5%B1%E5%90%88%E3%82%B3%E3%82%B9%E3%83%88%E3%83%A2%E3%83%87%E3%83%AB%E3%81%AE%E6%8F%90%E6%A1%88\" >\u7d71\u5408\u30b3\u30b9\u30c8\u30e2\u30c7\u30eb\u306e\u63d0\u6848<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E6%9C%80%E5%BE%8C%E3%81%AB\" >\u6700\u5f8c\u306b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E5%8F%82%E8%80%83%E6%96%87%E7%8C%AE\" >\u53c2\u8003\u6587\u732e<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#fewer_design_parameters\" >fewer design parameters<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E5%BB%BA%E8%A8%AD%E3%81%AE%E6%A6%82%E8%A6%81_%E2%80%93_Construction_Summary\" >\u5efa\u8a2d\u306e\u6982\u8981 &#8211; Construction Summary<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E9%80%A3%E7%B6%9A%E4%BD%93%E3%81%AE%E5%AE%9A%E7%BE%A9\" >\u9023\u7d9a\u4f53\u306e\u5b9a\u7fa9<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E5%AE%9F%E9%A8%93\" >\u5b9f\u9a13<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E9%96%A2%E9%80%A3\" >\u95a2\u9023<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E3%83%88%E3%83%A9%E3%83%B3%E3%82%B8%E3%82%B7%E3%83%A7%E3%83%B3\" >\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.cybergarage.org\/memo\/self-designing-kvs\/#%E3%82%B3%E3%83%BC%E3%83%89%E7%94%9F%E6%88%90\" >\u30b3\u30fc\u30c9\u751f\u6210<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"%E8%87%AA%E5%B7%B1%E8%A8%AD%E8%A8%88%E3%81%AB%E3%82%88%E3%82%8B%E3%82%AB%E3%82%B9%E3%82%BF%E3%83%9E%E3%82%A4%E3%82%BA_Customization_through_Self-Design%E3%81%A8%E3%81%AF\"><\/span>\u81ea\u5df1\u8a2d\u8a08\u306b\u3088\u308b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba (Customization through Self-Design)\u3068\u306f?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\u81ea\u5df1\u8a2d\u8a08(Self-Design)\u306f\u4e2d\u4e16\u306e\u539f\u5b50\u8ad6\u7684\u306b\u3001\u57fa\u790e\u3068\u306a\u308b\u8a2d\u8a08\u8981\u7d20\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u6700\u9069\u306a\u7d44\u307f\u5408\u308f\u305b\u3068\u306a\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u6210\u3059\u308b\u6982\u5ff5\u306e\u3082\u306e\u3067\u3059\u3002\u9078\u629e\u53ef\u80fd\u306a\u30d7\u30ea\u30df\u30c6\u30a3\u30b0\u306b\u306f\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u65b9\u6cd5(\u4f8b: \u30cf\u30c3\u30b7\u30e5\u5206\u5272\u3001\u30ec\u30f3\u30b8\u5206\u5272)\u3084\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u65b9\u6cd5(\u4f8b: \u30b9\u30ad\u30e3\u30f3\u3001\u30bd\u30fc\u30c8\u6e08\u691c\u7d22\u306a\u3069)\u306a\u3069\u306e\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2(\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0)\u3082\u542b\u307e\u308c\u307e\u3059 <a href=\"https:\/\/stratos.seas.harvard.edu\/files\/stratos\/files\/datacalculator.pdf\">[3]<\/a>\u3002<\/p>\n<p>\u81ea\u5df1\u8a2d\u8a08\u306b\u3088\u308b\u6700\u9069\u5316\u624b\u6cd5\u306b\u306f\u3001\u5b66\u7fd2\u30b3\u30b9\u30c8\u30e2\u30c7\u30eb\u3092\u7528\u3044\u305f\u6700\u9069\u5316\u3084\u6a5f\u68b0\u5b66\u7fd2\u304c\u7528\u3044\u3089\u308c\u3001\u65b0\u3057\u3044\u7d44\u307f\u5408\u308f\u305b\u304c\u672a\u77e5\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3084\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u751f\u307f\u51fa\u3059\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5927\u5e45\u306b\u5411\u4e0a\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<a href=\"https:\/\/stratos.seas.harvard.edu\/files\/stratos\/files\/datacalculator.pdf\">[1]<\/a><a href=\"https:\/\/storage.googleapis.com\/pub-tools-public-publication-data\/pdf\/e1193996cf8a240ca261e26ecc7930766ecfd127.pdf\">[3]<\/a>\u3002\u672c\u8ad6\u6587\u3067\u306f\u3001\u5177\u4f53\u7684\u306a\u8a55\u4fa1\u5bfe\u8c61\u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u3092\u984c\u6750\u306b\u3001\u81ea\u5df1\u8a2d\u8a08(Self-Design)\u306b\u304a\u3051\u308b\u624b\u6cd5\u3092\u63d0\u6848\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h1><span class=\"ez-toc-section\" id=\"%E3%82%AD%E3%83%BC%E3%83%90%E3%83%AA%E3%83%A5%E3%83%BC%E3%82%B9%E3%83%88%E3%82%A2%E3%81%A8%E3%81%AF%EF%BC%9F\"><\/span>\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u3068\u306f\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306f\u3001\u30ad\u30fc\u3068\u5024\u306e\u30da\u30a2\u3092\u683c\u7d0d\u3059\u308b\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u5b9f\u88c5\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306f\u3001\u30bd\u30fc\u30b7\u30e3\u30eb\u30e1\u30c7\u30a3\u30a2\u306e\u30b0\u30e9\u30d5\u51e6\u7406\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30c7\u30fc\u30bf\u306e\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u3001NoSQL\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u306a\u3069\u306e\u3001\u591a\u7a2e\u591a\u69d8\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u57fa\u76e4\u3068\u3057\u3066\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059<a href=\"https:\/\/nivdayan.github.io\/selfdesign.pdf\">[2]<\/a>\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.cybergarage.org\/wp-content\/uploads\/self-designing-02.png\" alt=\"\" \/><\/p>\n<p>\u307e\u305f\u3001\u8fd1\u5e74\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3042\u308bGoogle\u306eSpanner\u3084\u3001RockDB\u3092MySQL\u306e\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u3057\u305fMyRocks\u3001FoundationDB\u3092\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u3057\u305f\u30c7\u30fc\u30bf\u30a6\u30a7\u30a2\u30cf\u30a6\u30b9\u306e\u306fSnowflake\u306a\u3069\u3082\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306b\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059<br \/>\n<a href=\"https:\/\/nivdayan.github.io\/selfdesign.pdf\">[2]<\/a><a href=\"https:\/\/cloud.google.com\/spanner\/docs\/whitepapers\">[5]<\/a>\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E4%B8%BB%E8%A6%81%E3%81%AAKey-Value%E3%83%87%E3%83%BC%E3%82%BF%E6%A7%8B%E9%80%A0\"><\/span>\u4e3b\u8981\u306aKey-Value\u30c7\u30fc\u30bf\u69cb\u9020<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u306b\u3064\u3044\u3066\u306f\u3001\u8aad\u307f\u53d6\u308a\u30fb\u66f8\u304d\u8fbc\u307f\u30fb\u30e1\u30e2\u30ea\u6d88\u8cbb\u91cf\u306b\u306f\u5e38\u306b\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u304c\u5b58\u5728\u3057\u3001\u3053\u306e\uff13\u3064\u5168\u3066\u3092\u6700\u9069\u3068\u3059\u308b\u30c7\u30fc\u30bf\u69cb\u9020\u306f\u5b58\u5728\u3057\u307e\u305b\u3093<a href=\"https:\/\/nivdayan.github.io\/selfdesign.pdf\">[2]<\/a>\u3002\u7d50\u8ad6\u3068\u3057\u3066\u306f\u5404\u76ee\u7684\u306b\u5fdc\u3058\u305f\u30c7\u30fc\u30bf\u69cb\u9020\u304c\u5fc5\u8981\u3068\u306a\u308b\u306e\u3067\u3059\u304c\u3001\u73fe\u6642\u70b9\u3067\u4ee3\u8868\u7684\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3068\u3057\u3066\u3001B+Tree\u3001LSM\u30c4\u30ea\u30fc\u306a\u3069\u304c\u5b58\u5728\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"BTree\"><\/span>B+Tree<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B+Tree\u306f\u3001RDBMS\u3084\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3067\u3082\u63a1\u7528\u3055\u308c\u3066\u3044\u308b\u4e3b\u8981\u306a\u30c4\u30ea\u30fc\u69cb\u9020\u3067\u3001\u5408\u7406\u7684\u306a\u30e1\u30e2\u30ea\u6d88\u8cbb\u91cf\u3067\u8aad\u307f\u53d6\u308a\u3068\u66f8\u304d\u8fbc\u307f\u6027\u80fd\u306e\u30d0\u30e9\u30f3\u30b9\u306b\u512a\u308c\u3001\u73fe\u5728\u306fOracle\u306e\u88fd\u54c1\u3067\u3042\u308bBerkeleyDB\u3084\u3001\u8fd1\u5e74\u3067\u3082MongoDB\u306e\u6a19\u6e96\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u3068\u306a\u3063\u305fWiredTiger\u3001FoundationDB\u306a\u3069\u306e\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306b\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"LSM%E3%83%84%E3%83%AA%E3%83%BC\"><\/span>LSM\u30c4\u30ea\u30fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>LSM\u30c4\u30ea\u30fc(Logs-structured merge-tree)\u306f\u3001\u9ad8\u901f\u306a\u66f8\u304d\u8fbc\u307f\u3068\u8aad\u307f\u53d6\u308a\u6027\u80fd\u3092\u5171\u5b58\u3055\u305b\u308b\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u3001Google\u306eLevelDB\u3084BigTable\u3001Facebook\u306eRocksDB\u3001Apache Cassandra\u3084HBase\u3001\u3055\u3089\u306b\u306fMySQL\u3084SQLite\u306a\u3069\u306eRDBMS\u306e\u4e3b\u306a\u30ad\u30fc\u7ba1\u7406\u306a\u3069\u306b\u3082\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001B+\u30c4\u30ea\u30fc\u69cb\u9020\u3088\u308a\u66f8\u304d\u8fbc\u307f\u6027\u80fd\u306f\u512a\u308c\u307e\u3059\u304c\u3001\u8aad\u307f\u8fbc\u307f\u6027\u80fd\u306f\u60aa\u5316\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%81%9D%E3%81%AE%E4%BB%96_LSH%E3%83%86%E3%83%BC%E3%83%96%E3%83%AB%E3%80%81%E3%83%8F%E3%82%A4%E3%83%96%E3%83%AA%E3%83%83%E3%83%89%E3%81%AA%E6%A7%8B%E6%88%90%E3%81%AA%E3%81%A9\"><\/span>\u305d\u306e\u4ed6 (LSH\u30c6\u30fc\u30d6\u30eb\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u306a\u69cb\u6210\u306a\u3069)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8fd1\u5e74\u306fRiak\u306eBitCask\u3084Spotify\u306eSparkey\u306b\u7528\u3044\u3089\u308c\u3066\u3044\u308bLSH\u30c6\u30fc\u30d6\u30eb(Log-Structured Hash-table)\u306a\u3069\u306e\u65b0\u3057\u3044\u69cb\u9020\u3082\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u5207\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u3001\u8907\u6570\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u6392\u4ed6\u7684\u306b\u63d0\u4f9b\u3059\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001MongoDB\u306eWireTiger\u3067\u306f\u3001B+Tree\u3068LSM\u30c4\u30ea\u30fc\u5b9f\u88c5\u3092\u6392\u4ed6\u7684\u306b\u500b\u5225\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001RocksDB\u3067\u306f\u90e8\u5206\u7684\u306b\u30cf\u30c3\u30b7\u30e5\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u3092\u53d6\u308a\u5165\u308c\u3066\u6700\u9069\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u591a\u304f\u306e\u6700\u65b0\u306e\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306f\u3001\u76f8\u4e92\u306b\u6392\u4ed6\u7684\u306a\u30b9\u30ef\u30c3\u30d7\u53ef\u80fd\u306a\u30c7\u30fc\u30bf\u30ec\u30a4\u30a2\u30a6\u30c8\u8a2d\u8a08\u306e\u30bb\u30c3\u30c8\u3067\u69cb\u6210\u3055\u308c\u3001\u591a\u69d8\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7279\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001WiredTiger\u306fB\u30c4\u30ea\u30fc\u3068LSM\u30c4\u30ea\u30fc\u306e\u5b9f\u88c5\u3092\u500b\u5225\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u8aad\u307f\u53d6\u308a\u307e\u305f\u306f\u66f8\u304d\u8fbc\u307f\u3092\u305d\u308c\u305e\u308c\u6700\u9069\u5316\u3057\u307e\u3059\u304c\u3001RocksDB\u30d5\u30a1\u30a4\u30eb\u306f\u30bd\u30fc\u30c8\u3055\u308c\u305f\u6587\u5b57\u5217\u30ec\u30a4\u30a2\u30a6\u30c8\u307e\u305f\u306f\u30cf\u30c3\u30b7\u30e5\u30c6\u30fc\u30d6\u30eb\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3001\u7bc4\u56f2\u306e\u8aad\u307f\u53d6\u308a\u307e\u305f\u306f\u30dd\u30a4\u30f3\u30c8\u3092\u3055\u3089\u306b\u6700\u9069\u5316\u3057\u307e\u3059\u305d\u308c\u305e\u308c\u8aad\u307f\u53d6\u308a\u307e\u3059\u3002<\/p>\n<h1><span class=\"ez-toc-section\" id=\"%E8%87%AA%E5%B7%B1%E8%A8%AD%E8%A8%88Self-Design%E3%81%AE%E7%9B%AE%E7%9A%84\"><\/span>\u81ea\u5df1\u8a2d\u8a08(Self-Design)\u306e\u76ee\u7684<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\u81ea\u5df1\u8a2d\u8a08(Self-Design)\u306e\u9577\u671f\u7684\u306a\u7814\u7a76\u8ab2\u984c\u306f\u3001\u4f8b\u3048\u3070\u524d\u8ff0\u306e\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306e\u5834\u5408\u3001\u5bfe\u8c61\u306e\u554f\u984c\u306b\u6700\u9069\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u3001\u7c21\u5358\u307e\u305f\u306f\u81ea\u52d5\u7684\u306b\u9078\u629e\u3067\u304d\u308b\u304b\u304c\u91cd\u8981\u306a\u8ab2\u984c\u3068\u306a\u308a\u307e\u3059\u3002\u81ea\u5df1\u8a2d\u8a08\u306f\u3001\u5bfe\u8c61\u3068\u306a\u308b\u30c9\u30e1\u30a4\u30f3\u77e5\u8b58\u3068\u306a\u308b\u539f\u5247\u3092\u5c0e\u304d\u51fa\u3059\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u304a\u308a\u3001\u4eca\u56de\u306e\u8ad6\u6587\u3067\u306f\u3001\u81ea\u5df1\u8a2d\u8a08\u3092\u5b9f\u73fe\u3059\u308b\u3082\u306e\u3068\u3057\u3066\u3001\u9023\u7d9a\u4f53(Design Continuums)\u306e\u6982\u5ff5\u3092\u63d0\u5531\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E9%80%A3%E7%B6%9A%E4%BD%93Design_Continuums%E3%81%AE%E6%A6%82%E5%BF%B5\"><\/span>\u9023\u7d9a\u4f53(Design Continuums)\u306e\u6982\u5ff5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u862d\u65cf\u968a\u306e\u3001\u5168\u4f53\u306e\u96c6\u5408\u3068\u306a\u308b\u8a2d\u8a08\u7a7a\u9593(Design Space)\u306b\u306f\u3001\u73fe\u5728\u8a8d\u8b58\u3067\u304d\u3066\u3044\u308b\u8a2d\u8a08\u8981\u7d20(Design Primitives)\u3068\u306a\u308b\u30c7\u30fc\u30bf\u69cb\u9020\u304b\u3089\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306e\u8ad6\u6587\u306e\u81ea\u5df1\u8a2d\u8a08(Self-Design)\u306e\u624b\u6cd5\u306f\u3001\u3053\u306e\u8a2d\u8a08\u8981\u7d20\u306e\u6700\u5c0f\u30bb\u30c3\u30c8\u306e\u7d44\u307f\u5408\u308f\u305b\u3001\u3064\u307e\u308a\u306f\u8a2d\u8a08\u7a7a\u9593(Design Space)\u306e\u90e8\u5206\u96c6\u5408\u3068\u3057\u3066\u5c0e\u51fa\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u8ad6\u6587\u306e\u3001\u9023\u7d9a\u4f53(Design Continuums)\u306f\u3001\u8a2d\u8a08\u7a7a\u9593(Design Space)\u304b\u3089\u5c0e\u51fa\u3055\u308c\u308b\u90e8\u5206\u96c6\u5408\u3092\u3001\u6027\u80fd\u3092\u8ef8\u3068\u3059\u308b\u8d85\u5e73\u9762(Hyperplane)\u306b\u9023\u7d9a(\u96a3\u63a5)\u3057\u3066\u5c04\u5f71\u3057\u3046\u308b\u6982\u5ff5\u7684\u306a\u624b\u6cd5\u3092\u63d0\u5531\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.cybergarage.org\/wp-content\/uploads\/self-designing-03.png\" alt=\"\" \/><\/p>\n<p>\u8a2d\u8a08\u7a7a\u9593(Design Space)\u306b\u3042\u308b\u5404\u8a2d\u8a08\u306f\u57fa\u672c\u8a2d\u8a08\u8981\u7d20\u306e\u6700\u5c0f\u30bb\u30c3\u30c8\u306e\u7d44\u307f\u5408\u308f\u305b\u304b\u3089\u5c0e\u51fa\u3055\u308c\u3001\u3053\u306e\u8a2d\u8a08\u7a7a\u9593\u304b\u3089\u8a2d\u8a08\u9023\u7d9a\u4f53(Design Continuums)\u306b\u5c0e\u51fa\u3055\u308c\u305f\u30b5\u30d6\u30bb\u30c3\u30c8\u306f\u6027\u80fd\u306a\u3069\u8a08\u6e2c\u53ef\u80fd\u306a\u3082\u306e\u3068\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u8a2d\u8a08\u9023\u7d9a\u4f53(Design Continuums)\u306f\u6982\u5ff5\u7684\u306b\u306f\u3001\u4e0a\u306e\u62bd\u8c61\u56f3\u306b\u793a\u3059\u3088\u3046\u306b\u9023\u7d9a\u4f53(Design Continuums)\u306b\u5c0e\u51fa\u3055\u308c\u305f\u30b5\u30d6\u30bb\u30c3\u30c8\u306f\u3001\u8d85\u5e73\u9762(Hyperplane)\u306b\u9023\u7d9a(\u96a3\u63a5)\u3057\u3066\u5c04\u5f71\u3055\u308c\u305f\u6027\u80fd\u5e73\u9762\u3068\u3057\u3066\u6982\u5ff5\u7684\u306b\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E7%B5%B1%E5%90%88%E3%82%B3%E3%82%B9%E3%83%88%E3%83%A2%E3%83%87%E3%83%AB%E3%81%AE%E6%8F%90%E6%A1%88\"><\/span>\u7d71\u5408\u30b3\u30b9\u30c8\u30e2\u30c7\u30eb\u306e\u63d0\u6848<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u8a2d\u8a08\u9023\u7d9a\u4f53(Design Continuums)\u306e\u6982\u5ff5\u306e\u5b9f\u4f8b\u3068\u3057\u3066\u3001\u672c\u8ad6\u6587\u3067\u306f\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u3092\u984c\u6750\u3068\u3057\u305f\u81ea\u5df1\u8a2d\u8a08\u578b\u306e\u7d71\u5408\u30b3\u30b9\u30c8\u30e2\u30c7\u30eb\u3092\u63d0\u6848\u3057\u3066\u3044\u307e\u3059\u3002\u524d\u8ff0\u306e\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306e\u73fe\u5728\u306e\u4ee3\u8868\u7684\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u3042\u308bB+Tree\u3084LSM\u30c4\u30ea\u30fc\u306a\u3069\u3092\u8d85\u5e73\u9762\u306b\u5c04\u5f71\u3059\u308b\u9023\u7d9a\u4f53\u3092\u63d0\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u8a2d\u8a08\u9023\u7d9a\u4f53\u306b\u306f\u3001\u4e3b\u8981\u306a\u6027\u80fd\u6307\u6a19\u304c\u74b0\u5883\u5909\u6570(Environment Parameter)\u3084\u8a2d\u8a08\u30d1\u30e9\u30e1\u30fc\u30bf(Design Parameter)\u306a\u3069\u306e\u5909\u6570(Term)\u3084\u3001\u3053\u308c\u3089\u5909\u6570\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u5c0e\u51fa\u3057\u305f\u5c0e\u51fa\u5909\u6570(Derived Term)\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u30b3\u30b9\u30c8\u30e2\u30c7\u30eb\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.cybergarage.org\/wp-content\/uploads\/self-designing-04.png\" alt=\"\" \/><\/p>\n<p>\u672c\u8ad6\u6587\u306f\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306b\u304a\u3051\u308b\u66f4\u65b0(Update)\u306a\u3069\u306e\u5404\u30af\u30a8\u30ea\u30fc\u3092\u3001\u74b0\u5883\u5909\u6570(Environment Parameter)\u3084\u8a2d\u8a08\u30d1\u30e9\u30e1\u30fc\u30bf(Design Parameter)\u304a\u3088\u3073\u5c0e\u51fa\u5909\u6570(Derived Term)\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u5c0e\u51fa\u3057\u305f\u3001\u5c0e\u51fa\u8a2d\u8a08\u898f\u5247(Derived Design Rule)\u3092\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306e\u4e00\u822c\u30b3\u30b9\u30c8\u30e2\u30c7\u30eb\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059(\u4e0a\u53f3\u8868)\u3002\u3053\u306e\u5c0e\u51fa\u8a2d\u8a08\u898f\u5247(Derived Design Rule)\u306f\u3001\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306e\u5404\u30af\u30a8\u30ea\u30fc\u3067\u767a\u751f\u3059\u308bI\/O\u64cd\u4f5c\u306e\u6700\u60aa\u306e\u30b1\u30fc\u30b9\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u672c\u8ad6\u6587\u306f\u3001\u81ea\u5df1\u8a2d\u8a08(Self-Design)\u306e\u65b9\u6cd5\u8ad6\u3068\u3057\u3066\u3001\u9023\u7d9a\u4f53(Design Continuums)\u3092\u69cb\u7bc9\u3059\u308b\u624b\u9806\u3092\u63d0\u6848\u3057\u305f\u30e2\u30ce\u3067\u3059\u3002\u9023\u7d9a\u4f53(Design Continuums)\u3092\u69cb\u7bc9\u3059\u308b\u306b\u3042\u305f\u308a\u3001\u9078\u629e\u3067\u304d\u308b\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u74b0\u5883\u5909\u6570(Environment Parameter)\u3084\u8a2d\u8a08\u30d1\u30e9\u30e1\u30fc\u30bf(Design Parameter)\u306a\u3069\u306b\u7d20\u56e0\u6570\u5206\u89e3\u3057\u3001\u305d\u308c\u3089\u306e\u6700\u5c0f\u69cb\u6210\u8981\u7d20\u304b\u3089\u5c0e\u51fa\u5909\u6570(Derived Term)\u3001\u6700\u7d42\u7684\u306b\u306f\u554f\u984c\u3092\u8a55\u4fa1\u3059\u308b\u5c0e\u51fa\u8a2d\u8a08\u898f\u5247(Derived Design Rule)\u3092\u7d71\u5408\u30b3\u30b9\u30c8\u30e2\u30c7\u30eb\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3092\u63d0\u6848\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h1><span class=\"ez-toc-section\" id=\"%E6%9C%80%E5%BE%8C%E3%81%AB\"><\/span>\u6700\u5f8c\u306b<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\u8fd1\u5e74\u306f\u3001Peloton<a href=\"https:\/\/15721.courses.cs.cmu.edu\/spring2020\/papers\/27-selfdriving\/p42-pavlo-cidr17.pdf\">[3]<\/a>\u3084SageDB<a href=\"https:\/\/storage.googleapis.com\/pub-tools-public-publication-data\/pdf\/e1193996cf8a240ca261e26ecc7930766ecfd127.pdf\">[3]<\/a><a href=\"http:\/\/www.cybergarage.org\/memo\/sagedb_a_learned_database_system\/\">[4]<\/a>\u306a\u3069\u3001\u6a5f\u68b0\u5b66\u7fd2\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u9069\u7528\u3057\u305f\u7814\u7a76\u304c\u6d3b\u767a\u5316\u3057\u3066\u3044\u307e\u3059\u3002Peloton<a href=\"https:\/\/15721.courses.cs.cmu.edu\/spring2020\/papers\/27-selfdriving\/p42-pavlo-cidr17.pdf\">[3]<\/a>\u306f\u5178\u578b\u7684\u306aARMA\u30e2\u30c7\u30eb\u306e\u3088\u3046\u306a\u4e88\u6e2c\u306b\u3088\u308b\u6700\u9069\u5316\u3067\u306f\u306a\u304f\u3001\u8907\u6570\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u30af\u30a8\u30ea\u30fc\u3092\u5206\u5272\u3057\u305f\u6a5f\u68b0\u5b66\u7fd2(RNN)\u306e\u6700\u9069\u5316\u3092\u63d0\u6848\u3057\u3066\u3044\u307e\u3059\u3002SageDB<a href=\"https:\/\/storage.googleapis.com\/pub-tools-public-publication-data\/pdf\/e1193996cf8a240ca261e26ecc7930766ecfd127.pdf\">[3]<\/a>\u306f\u3001\u65e2\u5b58\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u30c7\u30fc\u30bf\u69cb\u9020\u306b(\u6a5f\u68b0\u5b66\u7fd2\u306e)\u30e2\u30c7\u30eb\u305d\u306e\u3082\u306e\u3092\u57cb\u3081\u8fbc\u3080\u3053\u3068\u306b\u3088\u308b\u6700\u9069\u5316\u624b\u6cd5\u3092\u63d0\u6848\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u672c\u8ad6\u6587\u3067\u306f\u3001\u6bd4\u8f03\u7684\u5358\u7d14\u306a\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u3092\u984c\u6750\u3068\u3057\u3066\u9023\u7d9a\u4f53(Design Continuums)\u306e\u6982\u5ff5\u3092\u5b9f\u8a3c\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u6700\u7d42\u7684\u306b\u672c\u8ad6\u6587\u304c\u76ee\u6307\u3059\u3082\u306e\u306f\u3001\u8a2d\u8a08\u7d99\u7d9a\u306e\u9023\u7d9a\u4f53(Design Continuums)\u306e\u69cb\u7bc9\u3092(\u534a)\u81ea\u52d5\u5316\u3057\u3001\u30b0\u30e9\u30d5\u3084\u7a7a\u9593\u30c7\u30fc\u30bf\u3088\u308a\u5e83\u7bc4\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u8a2d\u8a08\u3078\u306e\u5fdc\u7528\u304c\u6700\u7d42\u7684\u306a\u76ee\u6a19\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u6700\u7d42\u7684\u306a\u76ee\u6a19\u306e\u5b9f\u73fe\u306e\u305f\u3081\u306b\u306f\u3001\u672c\u8ad6\u6587\u306b\u304a\u3044\u3066\u3082\u3001\u4eca\u5f8c\u306e\u5c55\u671b\u3068\u3057\u3066\u306f\u9023\u7d9a\u4f53(Design Continuums)\u3078\u306e\u6a5f\u68b0\u5b66\u7fd2\u306e\u9069\u7528\u304c\u793a\u5506\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u672c\u8ad6\u6587\u304c\u76ee\u6307\u3059\u3088\u3046\u306a\u4e16\u754c\u306e\u5b9f\u73fe\u306b\u306f\u3001\u5178\u578b\u7684\u306a\u5bc6\u7d50\u5408\u3055\u308c\u305f\u30e2\u30ce\u30ea\u30b7\u30c3\u30af\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u69cb\u9020\u3067\u306f\u3001\u30af\u30e9\u30a6\u30c9\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u6c42\u3081\u3089\u308c\u308b\u6027\u80fd\u3084\u30b9\u30b1\u30fc\u30eb\u30a2\u30a6\u30c8\u6027\u306b\u8ab2\u984c\u304c\u3042\u308a<a href=\"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3035918.3056101?casa_token=Smtetqe2X1sAAAAA:YU44x-T6_Ek856X5l5co8I8uiIv9oRNqgSQ__07z6VVTiwWZOtQhtA0N6voGCsVyHnf_JXkby4lCwQ\">[7]<\/a><a href=\"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3299869.3314039?casa_token=0HDqa8JL1GAAAAAA:7uj-MrCvoLvcfZ2ce-fG6DkFfdH3YVizejH6NnWbr5aewV4_qSh_kxeoCBdGyRQFoyCfGJBsV3uTvg\">[8]<\/a>\u3001\u8fd1\u5e74\u306e\u30af\u30e9\u30a6\u30c9\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3067\u306f\u5206\u6563\u3092\u524d\u63d0\u3068\u3057\u305f\u758e\u7d50\u5408\u304a\u3088\u3073\u6700\u9069\u5316\u3055\u308c\u305f\u5bc6\u7d50\u5408\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u5e2d\u5dfb\u3057\u3066\u304d\u3066\u3044\u307e\u3059<a href=\"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3035918.3056101?casa_token=Smtetqe2X1sAAAAA:YU44x-T6_Ek856X5l5co8I8uiIv9oRNqgSQ__07z6VVTiwWZOtQhtA0N6voGCsVyHnf_JXkby4lCwQ\">[7]<\/a><a href=\"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3299869.3314039?casa_token=0HDqa8JL1GAAAAAA:7uj-MrCvoLvcfZ2ce-fG6DkFfdH3YVizejH6NnWbr5aewV4_qSh_kxeoCBdGyRQFoyCfGJBsV3uTvg\">[8]<\/a><a href=\"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3035918.3056103\">[9]<\/a>\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u904b\u7528\u304a\u3088\u3073\u6700\u9069\u5316\u306b\u3064\u3044\u3066\u306f\u3001\u5f93\u6765\u307e\u3067\u306f\u8077\u4eba\u7684\u306a\u7d4c\u9a13\u3084\u77e5\u8b58\u304c\u6c42\u3081\u3089\u308c\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u5546\u7528\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4e16\u754c\u3067\u306f\u6a5f\u68b0\u5b66\u7fd2\u306e\u5c0e\u5165\u306b\u3088\u308aDBA(\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u8005\uff09\u306b\u6c42\u3081\u3089\u308c\u308b\u4eba\u7269\u50cf\u3082\u6025\u901f\u306b\u5909\u5316\u3057\u3066\u304d\u3066\u3044\u307e\u3059<a href=\"https:\/\/cloud.watch.impress.co.jp\/docs\/event\/1084571.html\">[6]<\/a>\u3002\u307e\u305f\u3001\u5f93\u6765\u306e\u5bc6\u7d50\u5408\u3067\u3042\u3063\u305f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u8a08\u306b\u304a\u3044\u3066\u3082\u9069\u5207\u306a\u758e\u7d50\u5408\u6027\u3092\u5c0e\u5165\u3059\u308b\u306a\u3069\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u5237\u65b0\u3082\u6c42\u3081\u3089\u308c\u3066\u304a\u308a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u5206\u91ce\u306b\u304a\u3051\u308b\u6c42\u3081\u3089\u308c\u308b\u8a2d\u8a08\u304a\u3088\u3073\u4eba\u6750\u306b\u3064\u3044\u3066\u3082\u3001\u3053\u308c\u304b\u3089\u5927\u304d\u306a\u8ee2\u63db\u671f\u3092\u8fce\u3048\u308b\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<h1><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83%E6%96%87%E7%8C%AE\"><\/span>\u53c2\u8003\u6587\u732e<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<ul>\n<li><a href=\"https:\/\/stratos.seas.harvard.edu\/files\/stratos\/files\/datacalculator.pdf\">[1] Idreos, Stratos, et al. &quot;The data calculator: Data structure design and cost synthesis from first principles and learned cost models.&quot; Proceedings of the 2018 International Conference on Management of Data. ACM, 2018.<\/a><\/li>\n<li><a href=\"https:\/\/nivdayan.github.io\/selfdesign.pdf\">[2] Idreos, Stratos, et al. &quot;Design Continuums and the Path Toward Self-Designing Key-Value Stores that Know and Learn.&quot; CIDR. 2019.<\/a><\/li>\n<li><a href=\"https:\/\/15721.courses.cs.cmu.edu\/spring2020\/papers\/27-selfdriving\/p42-pavlo-cidr17.pdf\">[3] Pavlo, Andrew, et al. &quot;Self-Driving Database Management Systems.&quot; CIDR. Vol. 4. 2017.<\/a><\/li>\n<li><a href=\"https:\/\/storage.googleapis.com\/pub-tools-public-publication-data\/pdf\/e1193996cf8a240ca261e26ecc7930766ecfd127.pdf\">[4] Kraska, Tim, et al. &quot;Sagedb: A learned database system.&quot; (2019).<\/a><\/li>\n<li><a href=\"http:\/\/www.cybergarage.org\/memo\/sagedb_a_learned_database_system\/\">[5] \u5b66\u7fd2\u306b\u3088\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u6700\u9069\u5316\u306b\u3064\u3044\u3066 \u2013 SAGEDB: A LEARNED DATABASE SYSTEM<\/a><\/li>\n<li><a href=\"https:\/\/cloud.watch.impress.co.jp\/docs\/event\/1084571.html\">[6] \u30ad\u30fc\u30ef\u30fc\u30c9\u306f\u300c\u81ea\u5f8b\u5316\u300d\u300c\u81ea\u52d5\u5316\u300d\u2015\u2015\u3001Oracle Open World 2017\u3067\u62ab\u9732\u3055\u308c\u305f\u201c\u660e\u65e5\u3092\u5b9f\u73fe\u201d\u3059\u308b\u6280\u8853 - \u30af\u30e9\u30a6\u30c9 Watch<\/a><\/li>\n<li><a href=\"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3035918.3056101?casa_token=Smtetqe2X1sAAAAA:YU44x-T6_Ek856X5l5co8I8uiIv9oRNqgSQ__07z6VVTiwWZOtQhtA0N6voGCsVyHnf_JXkby4lCwQ\">[7] Verbitski, Alexandre, et al. &quot;Amazon aurora: Design considerations for high throughput cloud-native relational databases.&quot; Proceedings of the 2017 ACM International Conference on Management of Data. 2017.<\/a><\/li>\n<li><a href=\"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3299869.3314039?casa_token=0HDqa8JL1GAAAAAA:7uj-MrCvoLvcfZ2ce-fG6DkFfdH3YVizejH6NnWbr5aewV4_qSh_kxeoCBdGyRQFoyCfGJBsV3uTvg\">[8] Chrysafis, Christos, et al. &quot;Foundationdb record layer: A multi-tenant structured datastore.&quot; Proceedings of the 2019 International Conference on Management of Data. 2019.<\/a><\/li>\n<li><a href=\"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3035918.3056103\">[9] Bacon, David F., et al. &quot;Spanner: Becoming a sql system.&quot; Proceedings of the 2017 ACM International Conference on Management of Data. 2017.<\/a><\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u30b3\u30b9\u30c8\u30e2\u30c7\u30eb\u306f\u3001\u5404\u64cd\u4f5c\u30bf\u30a4\u30d7\u306b\u5bfe\u3057\u3066\u767a\u884c\u3055\u308c\u308bI \/ O\u306e\u6700\u60aa\u30b1\u30fc\u30b9\u6570\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u901a\u5e38\u3001I \/ O\u304c\u30e1\u30e2\u30ea\u306b\u53ce\u307e\u3089\u306a\u3044\u307b\u3069\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3067\u3042\u308b\u305f\u3081\u3067\u3059\u3002 .2\u305f\u3068\u3048\u3070\u3001\u30dd\u30a4\u30f3\u30c8\u8aad\u307f\u53d6\u308a\u306e\u30b3\u30b9\u30c8\u306f\u3001\u30db\u30c3\u30c8\u30ec\u30d9\u30eb\u3067\u306e\u8aa4\u691c\u77e5\u306b\u3088\u308bI \/ O\u306e\u4e88\u60f3\u6570\uff08psum\u306e\u5f0f\u3001FPR\u306e\u5408\u8a08[25]\u3067\u4e0e\u3048\u3089\u308c\u308b\uff09\u3092\u30d5\u30e9\u30af\u30b7\u30e7\u30ca\u30eb\u30ab\u30b9\u30b1\u30fc\u30c9\u3067\u306f\u5b9f\u884c\u3054\u3068\u306b1\u3064\u306eI \/ O\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u3001\u30b3\u30fc\u30eb\u30c9\u30ec\u30d9\u30eb\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u5225\u306e\u4f8b\u3068\u3057\u3066\u3001\u66f8\u304d\u8fbc\u307f\u306e\u30b3\u30b9\u30c8\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u66f4\u65b0\u304c\u5404\u30db\u30c3\u30c8\u30ec\u30d9\u30eb\uff08\u6700\u5927\u3092\u9664\u304f\uff09\u3067\u5e73\u5747O\uff08T \/ K\uff09\u56de\u30b3\u30d4\u30fc\u3055\u308c\u3001\u6700\u5927\u30db\u30c3\u30c8\u3067O\uff08T \/ Z\uff09\u56de\u30b3\u30d4\u30fc\u3055\u308c\u308b\u3053\u3068\u3092\u89b3\u5bdf\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5c0e\u304d\u51fa\u3055\u308c\u307e\u3059\u3002\u30ec\u30d9\u30eb\u3068\u5404\u30b3\u30fc\u30eb\u30c9\u30ec\u30d9\u30eb\u3067\u3002\u3053\u308c\u3089\u306e\u30b3\u30b9\u30c8\u3092\u8ffd\u52a0\u3057\u3001\u5358\u4e00\u306e\u66f8\u304d\u8fbc\u307fI \/ O\u304c\u5143\u306e\u5b9f\u884c\u304b\u3089\u7d50\u679c\u306e\u5b9f\u884c\u306bB\u30a8\u30f3\u30c8\u30ea\u3092\u30b3\u30d4\u30fc\u3059\u308b\u305f\u3081\u3001\u30d6\u30ed\u30c3\u30af\u30b5\u30a4\u30baB\u3067\u5272\u308a\u307e\u3059\u3002<br \/>\n4.\u7279\u5b9a\u306e\u8a2d\u8a08\u6c7a\u5b9a\u306b\u304a\u3044\u3066\u3001\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306f\u5b66\u7fd2\u306b\u4f9d\u5b58\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u305d\u308c\u3089\u3092\u9023\u7d9a\u7684\u306b\u53d6\u308a\u8fbc\u3080\u306e\u304c\u96e3\u3057\u3044\uff08\u304a\u305d\u3089\u304f\u4e0d\u53ef\u80fd\u306a\u5834\u5408\u3082\u3042\u308b\uff09\u305f\u3081\u3067\u3059\u3002<\/p>\n<ol start=\"4\">\n<li>We show that for certain design decisions key-value stores should still rely on learning as it is hard (per- haps even impossible) to capture them in a continuum.<\/li>\n<\/ol>\n<p>\u9023\u7d9a\u4f53\u306e\u5b9a\u7fa9\u3002 \u3053\u308c\u3067\u3001\u5143\u306e<br \/>\n\u9023\u7d9a\u4f53\u306e\u884c\u70ba\u306e\u5b9a\u7fa9\u3002 \u8a2d\u8a08\u9023\u7d9a\u4f53\u306f\u3001\u4ee5\u524d\u306f\u660e\u78ba\u3067\u4e00\u898b\u57fa\u672c\u7684\u306b\u7570\u306a\u308b\u30c7\u30fc\u30bf\u69cb\u9020\u8a2d\u8a08\u3092\u63a5\u7d9a\u3057\u307e\u3059\u3002 \u69cb\u7bc9\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u5fc5\u305a\u3057\u3082\u6570\u5b66\u7684\u306a\u610f\u5473\u3067\u9023\u7d9a\u3057\u305f\u30ce\u30d6\u304c\u5f97\u3089\u308c\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\uff08\u307b\u3068\u3093\u3069\u306e\u8a2d\u8a08\u30ce\u30d6\u306b\u306f\u6574\u6570\u5024\u304c\u3042\u308a\u307e\u3059\uff09\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u8a2d\u8a08\u306e\u89b3\u70b9\u304b\u3089\u3001\u9023\u7d9a\u4f53\u306f\u4ee5\u524d\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u306a\u3044\u8a2d\u8a08\u306e\u9593\u306b\u30b5\u30d6\u30b9\u30da\u30fc\u30b9\u3092\u958b\u304d\u307e\u3059\u3002 \u3053\u308c\u3089\u306e\u500b\u5225\u306e\u8a2d\u8a08\u3092\u304d\u3081\u7d30\u304b\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u63a5\u7d9a\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u304c\u307e\u3055\u306b\u300c\u8a2d\u8a08\u9023\u7d9a\u4f53\u300d\u3068\u547c\u3070\u308c\u308b\u3082\u306e\u3067\u3059\u3002 \u3053\u308c\u304c\u91cd\u8981\u306a\u7406\u7531\u306f\u30011\uff09\u3053\u308c\u3089\u306e\u304d\u3081\u306e\u7d30\u304b\u3044\u30c7\u30b6\u30a4\u30f3\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u7d44\u307f\u5408\u308f\u305b\u3068\u3057\u3066\u5c0e\u51fa\u3055\u308c\u305f\u3001\u4ee5\u524d\u306f\u77e5\u3089\u306a\u304b\u3063\u305f\u30c7\u30b6\u30a4\u30f3\u3092\u300c\u898b\u308b\u300d\u3053\u3068\u3001\u304a\u3088\u30732\uff09 \u4e2d\u9593\u72b6\u614b\u3002<\/p>\n<p>\u5e73\u5747\u64cd\u4f5c\u30b3\u30b9\u30c8\u03b8\u3092\u30e2\u30c7\u30eb\u5316\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30d7\u30ed\u30bb\u30b9\u3092\u5f62\u5f0f\u5316\u3057\u307e\u3059\u3002 \u4fc2\u6570\u306f\u3001\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u5185\u306e\u305d\u308c\u305e\u308c\u306e\u5272\u5408\u3092\u8868\u3057\u307e\u3059\uff09\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"fewer_design_parameters\"><\/span>fewer design parameters<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5177\u4f53\u7684\u306b\u306f\u3001\uff08\u540c\u3058\u30bf\u30fc\u30b2\u30c3\u30c8\u8a2d\u8a08\u306e\uff09\u8a2d\u8a08\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u5c11\u306a\u3044\u307b\u3069\u3001\u62bd\u8c61\u5316\u304c\u3088\u308a\u30af\u30ea\u30fc\u30f3\u306b\u306a\u308a\u3001\u6700\u9069\u306a\u8a2d\u8a08\uff08\u5f8c\u8ff0\uff09\u3092\u81ea\u52d5\u7684\u306b\u898b\u3064\u3051\u308b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u7c21\u5358\u306b\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 2\u3064\u306e\u65b9\u6cd5\u3067\u8a2d\u8a08\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u6570\u3092\u6700\u5c0f\u5316\u3057\u307e\u3059\u30021\uff09\u512a\u308c\u305f\u8a2d\u8a08\u306b\u95a2\u3059\u308b\u5c02\u9580\u77e5\u8b58\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308b\u6c7a\u5b9a\u8ad6\u7684\u8a2d\u8a08\u30eb\u30fc\u30eb\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3001\u304a\u3088\u30732\uff09\u8907\u6570\u306e\u76f8\u4e92\u63a5\u7d9a\u3055\u308c\u305f\u8a2d\u8a08\u6c7a\u5b9a\u3092\u5358\u4e00\u306e\u8a2d\u8a08\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u96c6\u7d04\u3059\u308b\u3053\u3068<\/p>\n<h2>\u5efa\u8a2d\u306e\u6982\u8981 - Construction Summary<\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%E9%80%A3%E7%B6%9A%E4%BD%93%E3%81%AE%E5%AE%9A%E7%BE%A9\"><\/span>\u9023\u7d9a\u4f53\u306e\u5b9a\u7fa9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u9023\u7d9a\u4f53\u306e\u884c\u70ba\u5b9a\u7fa9\u3002 \u8a2d\u8a08\u9023\u7d9a\u4f53\u306f\u3001\u4ee5\u524d\u306f\u660e\u78ba\u3067\u4e00\u898b\u6839\u672c\u7684\u306b\u7570\u306a\u308b\u30c7\u30fc\u30bf\u69cb\u9020\u8a2d\u8a08\u3092\u63a5\u7d9a\u3057\u307e\u3059\u3002 \u69cb\u7bc9\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u5fc5\u305a\u3057\u3082\u6570\u5b66\u7684\u306a\u610f\u5473\u3067\u9023\u7d9a\u3057\u305f\u30ce\u30d6\u304c\u5f97\u3089\u308c\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\uff08\u307b\u3068\u3093\u3069\u306e\u8a2d\u8a08\u30ce\u30d6\u306b\u306f\u6574\u6570\u5024\u304c\u3042\u308a\u307e\u3059\uff09\u3002<\/p>\n<h1><span class=\"ez-toc-section\" id=\"%E5%AE%9F%E9%A8%93\"><\/span>\u5b9f\u9a13<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\u8a2d\u8a08\u9023\u7d9a\u4f53\u306f\u3001\u3053\u308c\u3089\u3059\u3079\u3066\u306e\u8a2d\u8a08\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308b\u4e0a\u90e8\u69cb\u9020\u3068\u8003\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5177\u4f53\u7684\u306b\u306f\u3001\uff08\u540c\u3058\u30bf\u30fc\u30b2\u30c3\u30c8\u8a2d\u8a08\u306e\uff09\u8a2d\u8a08\u30d1\u30e9\u30e1\u30fc\u30bf\u304c\u5c11\u306a\u3044\u307b\u3069\u3001\u62bd\u8c61\u5316\u304c\u3088\u308a\u30af\u30ea\u30fc\u30f3\u306b\u306a\u308a\u3001\u6700\u9069\u306a\u8a2d\u8a08\uff08\u5f8c\u8ff0\uff09\u3092\u81ea\u52d5\u7684\u306b\u898b\u3064\u3051\u308b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u7c21\u5358\u306b\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 2\u3064\u306e\u65b9\u6cd5\u3067\u8a2d\u8a08\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306e\u6570\u3092\u6700\u5c0f\u5316\u3057\u307e\u3059\u30021\uff09\u512a\u308c\u305f\u8a2d\u8a08\u306b\u95a2\u3059\u308b\u5c02\u9580\u77e5\u8b58\u3092\u30ab\u30d7\u30bb\u30eb\u5316\u3059\u308b\u6c7a\u5b9a\u8ad6\u7684\u8a2d\u8a08\u30eb\u30fc\u30eb\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3001\u304a\u3088\u30732\uff09\u8907\u6570\u306e\u76f8\u4e92\u63a5\u7d9a\u3055\u308c\u305f\u8a2d\u8a08\u6c7a\u5b9a\u3092\u5358\u4e00\u306e\u8a2d\u8a08\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306b\u96c6\u7d04\u3059\u308b\u3053\u3068\u3002 \u305f\u3068\u3048\u3070\u3001\u30d6\u30eb\u30fc\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u3068\u30d5\u30a7\u30f3\u30b9\u30dd\u30a4\u30f3\u30bf\u30fc\u306e\u30e1\u30e2\u30ea\u30d0\u30b8\u30a7\u30c3\u30c8\u306b\u306f\u3001\u5404\u30ec\u30d9\u30eb\u3067\u4e00\u7dd2\u306b\u4f7f\u7528\u3059\u308b\u5834\u5408\u306b\u306e\u307f\u610f\u5473\u304c\u3042\u308b\u305f\u3081\u30011\u3064\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n<h1><span class=\"ez-toc-section\" id=\"%E9%96%A2%E9%80%A3\"><\/span>\u95a2\u9023<span 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class=\"ez-toc-section\" id=\"%E3%83%88%E3%83%A9%E3%83%B3%E3%82%B8%E3%82%B7%E3%83%A7%E3%83%B3\"><\/span>\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u3059\u3079\u3066\u306e\u9069\u5fdc\u7814\u7a76\u3068\u540c\u69d8\u306b\u3001\u79fb\u884c\u306e\u30b3\u30b9\u30c8\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u3053\u3067\u306e\u65b0\u3057\u3044\u8ab2\u984c\u306f\u3001\u6839\u672c\u7684\u306b\u7570\u306a\u308b\u8a2d\u8a08\u9593\u3067\u306e\u79fb\u884c\u3067\u3059<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E3%82%B3%E3%83%BC%E3%83%89%E7%94%9F%E6%88%90\"><\/span>\u30b3\u30fc\u30c9\u751f\u6210<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u30b9\u30c8\u30ec\u30fc\u30b8\u3067\u306f\u3001\u6700\u5927\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5f97\u308b\u305f\u3081\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u30b3\u30fc\u30c9\u304c\u5fc5\u8981\u3067\u3059[4]\u3002 \u9023\u7d9a\u4f53\u306f\u3001\u305d\u306e\u3088\u3046\u306a\u7d4c\u8def\u306b\u5411\u3051\u305f\u624b\u6bb5\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002 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\u81ea\u5df1\u8a2d\u8a08\u306b\u3088\u308b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba (Customization through Self-Design)\u3068\u306f? \u81ea\u5df1\u8a2d\u8a08(Self-Design)\u306f\u4e2d\u4e16\u306e\u539f\u5b50\u8ad6\u7684\u306b\u3001\u57fa\u790e\u3068\u306a\u308b\u8a2d\u8a08\u8981\u7d20\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u6700\u9069\u306a\u7d44\u307f\u5408\u308f\u305b\u3068\u306a\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u6210\u3059\u308b\u6982\u5ff5\u306e\u3082\u306e\u3067\u3059\u3002\u9078\u629e\u53ef\u80fd\u306a\u30d7\u30ea\u30df\u30c6\u30a3\u30b0\u306b\u306f\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u65b9\u6cd5(\u4f8b: \u30cf\u30c3\u30b7\u30e5\u5206\u5272\u3001\u30ec\u30f3\u30b8\u5206\u5272)\u3084\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9\u65b9\u6cd5(\u4f8b: 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B+Tree\u306f\u3001RDBMS\u3084\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3067\u3082\u63a1\u7528\u3055\u308c\u3066\u3044\u308b\u4e3b\u8981\u306a\u30c4\u30ea\u30fc\u69cb\u9020\u3067\u3001\u5408\u7406\u7684\u306a\u30e1\u30e2\u30ea\u6d88\u8cbb\u91cf\u3067\u8aad\u307f\u53d6\u308a\u3068\u66f8\u304d\u8fbc\u307f\u6027\u80fd\u306e\u30d0\u30e9\u30f3\u30b9\u306b\u512a\u308c\u3001\u73fe\u5728\u306fOracle\u306e\u88fd\u54c1\u3067\u3042\u308bBerkeleyDB\u3084\u3001\u8fd1\u5e74\u3067\u3082MongoDB\u306e\u6a19\u6e96\u30b9\u30c8\u30ec\u30fc\u30b8\u30a8\u30f3\u30b8\u30f3\u3068\u306a\u3063\u305fWiredTiger\u3001FoundationDB\u306a\u3069\u306e\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306b\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 LSM\u30c4\u30ea\u30fc LSM\u30c4\u30ea\u30fc(Logs-structured merge-tree)\u306f\u3001\u9ad8\u901f\u306a\u66f8\u304d\u8fbc\u307f\u3068\u8aad\u307f\u53d6\u308a\u6027\u80fd\u3092\u5171\u5b58\u3055\u305b\u308b\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u3001Google\u306eLevelDB\u3084BigTable\u3001Facebook\u306eRocksDB\u3001Apache Cassandra\u3084HBase\u3001\u3055\u3089\u306b\u306fMySQL\u3084SQLite\u306a\u3069\u306eRDBMS\u306e\u4e3b\u306a\u30ad\u30fc\u7ba1\u7406\u306a\u3069\u306b\u3082\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001B+\u30c4\u30ea\u30fc\u69cb\u9020\u3088\u308a\u66f8\u304d\u8fbc\u307f\u6027\u80fd\u306f\u512a\u308c\u307e\u3059\u304c\u3001\u8aad\u307f\u8fbc\u307f\u6027\u80fd\u306f\u60aa\u5316\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u306e\u4ed6 (LSH\u30c6\u30fc\u30d6\u30eb\u3001\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u306a\u69cb\u6210\u306a\u3069) 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\u81ea\u5df1\u8a2d\u8a08(Self-Design)\u306e\u76ee\u7684 \u81ea\u5df1\u8a2d\u8a08(Self-Design)\u306e\u9577\u671f\u7684\u306a\u7814\u7a76\u8ab2\u984c\u306f\u3001\u4f8b\u3048\u3070\u524d\u8ff0\u306e\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30b9\u30c8\u30a2\u306e\u5834\u5408\u3001\u5bfe\u8c61\u306e\u554f\u984c\u306b\u6700\u9069\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u3001\u7c21\u5358\u307e\u305f\u306f\u81ea\u52d5\u7684\u306b\u9078\u629e\u3067\u304d\u308b\u304b\u304c\u91cd\u8981\u306a\u8ab2\u984c\u3068\u306a\u308a\u307e\u3059\u3002\u81ea\u5df1\u8a2d\u8a08\u306f\u3001\u5bfe\u8c61\u3068\u306a\u308b\u30c9\u30e1\u30a4\u30f3\u77e5\u8b58\u3068\u306a\u308b\u539f\u5247\u3092\u5c0e\u304d\u51fa\u3059\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u304a\u308a\u3001\u4eca\u56de\u306e\u8ad6\u6587\u3067\u306f\u3001\u81ea\u5df1\u8a2d\u8a08\u3092\u5b9f\u73fe\u3059\u308b\u3082\u306e\u3068\u3057\u3066\u3001\u9023\u7d9a\u4f53(Design Continuums)\u306e\u6982\u5ff5\u3092\u63d0\u5531\u3057\u3066\u3044\u307e\u3059\u3002&hellip; 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