{"author_name":"hokaccha","categories":["mongodb"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhokaccha.hatenablog.com%2Fentry%2F20110801%2F1312166222\" title=\"MongoDB\u52c9\u5f37\u4f1a\u30e1\u30e2 - hokaccha memo\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","title":"MongoDB\u52c9\u5f37\u4f1a\u30e1\u30e2","blog_url":"https://hokaccha.hatenablog.com/","version":"1.0","image_url":null,"width":"100%","published":"2011-08-01 11:37:02","author_url":"https://blog.hatena.ne.jp/hokaccha/","description":"\u6c17\u306b\u306a\u3063\u305f\u3068\u3053\u3060\u3051\u3002\u5f8c\u3067\u8a73\u3057\u304f\u8abf\u3079\u305f\u3044\u3084\u3064\u3068\u304b\u306f\u5358\u8a9e\u3060\u3051\u3002 Mongoid::Versioning\uff08Ruby\uff09\u3067\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u307f\u305f\u3044\u306e\u3067\u304d\u308b explain()\u3067explain\u3067\u304d\u308b explain\u3067index\u4f7f\u3063\u3066\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u91cd\u3044\u30af\u30a8\u30ea\u3092\u6f70\u3059 \u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u306f3\u53f0\u4ee5\u4e0a\u5fc5\u8981 slowms\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30b9\u30ed\u30fc\u30af\u30a8\u30ea\u306e\u30ed\u30b0\u3092\u6b8b\u3059 index\u3092\u8cbc\u308b\u30ab\u30e9\u30e0\u306fint\u304c\u3044\u3044\u3002string\u306e\u3068\u304d\u3068\u6bd4\u3079\u30662\u500d\u304f\u3089\u3044\u9055\u3046\uff08\u30e1\u30e2\u30ea\u304c\uff1f\uff09 delete\u3059\u308b\u3068\u30b9\u30ab\u30b9\u30ab\u306b\u306a\u3063\u3066\u975e\u52b9\u7387 \uff08repair\u3068\u304b\u5fc5\u8981\uff1f\uff09 Embeded\u306f\u30b5\u30a4\u30ba\u5236\u9650\u3068\u304b\u3042\u308b\u306e\u3067\u4f7f\u3046\u3068\u304d\u306f\u8a08\u753b\u7684\u306b PostgreSQL\u306b\u3082\u914d\u5217\u3042\u308b\uff08\u540c\u3058\u578b\u3057\u2026","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","url":"https://hokaccha.hatenablog.com/entry/20110801/1312166222","type":"rich","blog_title":"hokaccha memo"}