{"version":"1.0","categories":[],"description":"\u306f\u3058\u3081\u306b Unified JVM Logging \u65e7\u6765\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u306e\u76f8\u5bfe Xlog \u30d8\u30eb\u30d7\u5168\u6587 \u306f\u3058\u3081\u306b \u4eca\u66f4\u306a\u8a71\u3067\u3059\u304c\u3001JDK 9 JEP 158: Unified JVM Logging \u306b\u3066 Java \u306e\u5185\u90e8\u306e\u30ed\u30ae\u30f3\u30b0\u306e\u4ed5\u7d44\u307f\u304c\u7d71\u4e00\u3055\u308c\u3001\u7d71\u5408\u30ed\u30b0\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002 GC \u30ed\u30b0\u306b\u3064\u3044\u3066\u3082 JEP 271: Unified GC Logging \u306b\u3088\u308a\u3001\u7d71\u5408\u30ed\u30b0\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304b\u3089\u51fa\u529b\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u65e7\u6765\u304b\u3089\u306e GC \u30ed\u30b0\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5229\u7528\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002 -XX:+PrintGC \u3084 -XX:+PrintGCTimeStamps \u3068\u3044\u3063\u305f GC \u30ed\u30b0\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u2026","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog1.mammb.com%2Fentry%2F2025%2F07%2F05%2F000000\" title=\"JDK \u306e\u7d71\u5408\u30ed\u30b0\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u3088\u308bGC\u30ed\u30b0\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u6307\u5b9a - A Memorandum\" 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","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/Naotsugu/","published":"2025-07-05 00:00:00","type":"rich","author_name":"Naotsugu","provider_url":"https://hatena.blog","url":"https://blog1.mammb.com/entry/2025/07/05/000000","blog_url":"https://blog1.mammb.com/","width":"100%","blog_title":"A Memorandum","title":"JDK \u306e\u7d71\u5408\u30ed\u30b0\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u3088\u308bGC\u30ed\u30b0\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u6307\u5b9a"}