{"provider_name":"Hatena Blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/i/ikemonn/20170730/20170730215151.png","height":"190","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fikemonn.hatenablog.com%2Fentry%2F2017%2F08%2F04%2F000000\" title=\"A Top-Down Approach to Achieving Performance Predictability in Database Systems \u3092\u8aad\u3093\u3060 - ikemonn&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"ikemonn's blog","url":"https://ikemonn.hatenablog.com/entry/2017/08/04/000000","title":"A Top-Down Approach to Achieving Performance Predictability in Database Systems \u3092\u8aad\u3093\u3060","categories":["\u8ad6\u6587"],"type":"rich","published":"2017-08-04 00:00:00","author_url":"https://blog.hatena.ne.jp/ikemonn/","author_name":"ikemonn","width":"100%","blog_url":"https://ikemonn.hatenablog.com/","version":"1.0","description":"A Top-Down Approach to Achieving Performance Predictability in Database Systems\u3092\u8aad\u3093\u3060\u6642\u306e\u30e1\u30e2\u3002 \u3069\u3093\u306a\u3082\u306e\uff1f DB\u306elatency\u306e\u30d0\u30e9\u4ed8\u304d\u306e\u4e3b\u8981\u306a\u539f\u56e0\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306bTprofiler(\u89e3\u6790\u30c4\u30fc\u30eb)\u3092\u4f5c\u6210\u3057\u30d0\u30e9\u4ed8\u304d\u3092\u5c11\u306a\u304f\u3057\u305f MySQL, Postgres, VoltDB\u306e\u30d0\u30e9\u4ed8\u304d\u306e\u539f\u56e0\u3092\u8abf\u3079\u305f Tprofiler\u3092\u4f7f\u3048\u3070\u8907\u96d1\u306a\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3067\u3082\u89e3\u6790\u3067\u304d\u308b \u5404DB\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068latency\u306e\u3070\u3089\u3064\u304d\u304c\u5c11\u306a\u304f\u306a\u3063\u305f \u5148\u884c\u7814\u7a76\u3068\u304f\u3089\u3079\u3066\u4f55\u304c\u3059\u3054\u3044\uff1f DB\u306e\u5e73\u5747\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306b\u3064\u3044\u3066\u306f\u4eca\u307e\u3067\u7814\u7a76\u3055\u308c\u3066\u304d\u2026"}