{"description":"capped array\u306e\u6a5f\u80fd\u3068\u6027\u80fd\u3092\u691c\u8a3c\u3092\u3057\u305f\u3002 \u7d50\u8ad6 capped array\u3067\u306f\u914d\u5217\u6570\u304c\u591a\u3044\u5834\u5408\u3001\u660e\u3089\u304b\u306bsort\u304c\u6027\u80fd\u52a3\u5316\u3059\u308b\u3002 \uff08\u4f7f\u3044\u96e3\u3044\u304c\uff09sort\u3092\u4f7f\u308f\u306a\u3044\u5834\u5408\u306f\u6b86\u3069\u6c17\u306b\u3057\u306a\u304f\u3066\u826f\u3044\u30ec\u30d9\u30eb\u306b\u306a\u308b\u3002 LRU\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u4f7f\u3046\u306b\u306f\u3061\u3087\u3063\u3068\u53b3\u3057\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u3002 capped array\u306e\u6a5f\u80fd \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u914d\u5217\u3092\u5bb9\u91cf\u56fa\u5b9a\u306b\u3059\u308b\u3002 >use testdb >db.cappedArray.ensureIndex({key:1},{unique:1}); >db.cappedArray.save({ key:10, value:[ {s:10}, {s:20}, {s:30}, {s:40}\u2026","author_name":"hiroppon","title":" MongoDB 2.4 \u306e\u65b0\u30af\u30a8\u30ea\u30fccapped array\u3092\u8a66\u3057\u305f","url":"https://crumbjp.hateblo.jp/entry/20130329/1364520612","published":"2013-03-29 10:30:12","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcrumbjp.hateblo.jp%2Fentry%2F20130329%2F1364520612\" title=\" MongoDB 2.4 \u306e\u65b0\u30af\u30a8\u30ea\u30fccapped array\u3092\u8a66\u3057\u305f - \u4e2d\u5e74engineer\u306e\u72ec\u308a\u8a00 - crumbjp\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","image_url":null,"author_url":"https://blog.hatena.ne.jp/hiroppon/","blog_url":"https://crumbjp.hateblo.jp/","version":"1.0","provider_url":"https://hatena.blog","width":"100%","type":"rich","height":"190","categories":["mongodb"],"blog_title":"\u4e2d\u5e74engineer\u306e\u72ec\u308a\u8a00 - crumbjp"}