{"title":"OpenTelemetry \u3067\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u8a08\u6e2c\u3057\u3088\u3046\u3068\u3057\u305f\u3068\u304d\u306b\u77e5\u308a\u305f\u304b\u3063\u305f\u3053\u3068","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsusisu.hatenablog.com%2Fentry%2F2025%2F09%2F30%2F195338\" title=\"OpenTelemetry \u3067\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u8a08\u6e2c\u3057\u3088\u3046\u3068\u3057\u305f\u3068\u304d\u306b\u77e5\u308a\u305f\u304b\u3063\u305f\u3053\u3068 - Object.create(null)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","author_url":"https://blog.hatena.ne.jp/susisu/","author_name":"susisu","blog_url":"https://susisu.hatenablog.com/","image_url":null,"height":"190","description":"\u30bf\u30a4\u30c8\u30eb\u306f What I Wish I Knew When Learning Haskell \u30ea\u30b9\u30da\u30af\u30c8\u3067\u3059. SDK \u3068 API OpenTelemetry \u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8a08\u88c5\u3092\u3059\u308b\u969b\u306b\u4f7f\u3046\u30d1\u30c3\u30b1\u30fc\u30b8 (\u30e2\u30b8\u30e5\u30fc\u30eb) \u306f, \u8a08\u6e2c\u30fb\u96c6\u7d04\u30fb\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u306a\u3069\u306e\u5b9f\u88c5\u306e\u672c\u4f53\u3067\u3042\u308b SDK \u3068, \u8a08\u6e2c\u306e\u305f\u3081\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3042\u308b API \u306b\u5206\u96e2\u3055\u308c\u3066\u3044\u307e\u3059. \u305f\u3068\u3048\u3070 Node.js \u306e\u5834\u5408, \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u4ed8\u8fd1\u3067 @opentelemetry/sdk-metrics \u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u3063\u3066 SDK \u3092\u521d\u671f\u5316\u3057, \u30b0\u30ed\u30fc\u30d0\u30eb\u306a MeterProvider \u3092\u8a2d\u5b9a\u3057\u307e\u3059. impo\u2026","url":"https://susisu.hatenablog.com/entry/2025/09/30/195338","provider_name":"Hatena Blog","width":"100%","provider_url":"https://hatena.blog","blog_title":"Object.create(null)","published":"2025-09-30 19:53:38","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"]}