{"provider_name":"Hatena Blog","width":"100%","url":"https://hiboma.hatenadiary.jp/entry/2017/09/20/224254","title":"php \u306e\u6587\u5b57\u5217\u9023\u7d50\u6642\u306b\u547c\u3073\u51fa\u3055\u308c\u308b mremap(2), mmap(2)","provider_url":"https://hatena.blog","categories":[],"description":"\u30a4\u30f3\u30c8\u30ed \u3068\u3042\u308b php \u306a\u30b5\u30fc\u30d3\u30b9\u3092\u52d5\u304b\u3057\u3066\u3044\u308b production \u30b5\u30fc\u30d0\u3067\u3001 100% CPU\u30d0\u30a6\u30f3\u30c9\u306a php-fpm \u30d7\u30ed\u30bb\u30b9\u304c\u8907\u6570\u3044\u305f\u306e\u3067\u8abf\u67fb\u3092\u3057\u3066\u3044\u305f\u3002 \u8abf\u3079\u3066\u3044\u305f\u5185\u5bb9 strace \u3092\u53d6\u308b\u3068\u3001 mremap(2) \u3092\u3072\u305f\u3059\u3089\u7e70\u308a\u8fd4\u3057\u3066\u3044\u308b\u3060\u3051\u306e\u30d7\u30ed\u30bb\u30b9\u3060\u3063\u305f\u3002 gdb \u3067php \u30ec\u30d9\u30eb\u306e\u30d0\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u3092\u63a1\u53d6 \u3057\u3066\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3068\u7167\u3089\u3057\u5408\u308f\u305b\u305f\u8aad\u3093\u3060\u6240\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d0\u30b0\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u6319\u52d5\u306b\u306a\u3063\u3066\u3044\u305f \u30eb\u30fc\u30d7\u306e\u5185\u90e8\u3067\u6587\u5b57\u5217\u9023\u7d50\u3092\u884c\u3063\u3066\u3044\u308b \u30d0\u30b0\u3067\u7121\u9650\u30eb\u30fc\u30d7\u3057\u3061\u3083\u3063\u3066\u308b \u3068\u3044\u3046\u3082\u306e\u3060\u3063\u305f\u3002\u3042\u3042\u3001\u7121\u9650\u6587\u5b57\u5217\u9023\u7d50 \u2026 \u6587\u5b57\u5217\u304c\u9577\u304f\u306a\u308b\u307b\u3069\u5fc5\u8981\u306a\u30e1\u30e2\u30ea\u304c\u5897\u3048\u308b\u306e\u3067\u3001 php \u306e\u30e9\u30f3\u30bf\u2026","author_url":"https://blog.hatena.ne.jp/hiboma/","version":"1.0","blog_url":"https://hiboma.hatenadiary.jp/","height":"190","published":"2017-09-20 22:42:54","image_url":null,"author_name":"hiboma","blog_title":"hiboma\u306e\u65e5\u8a18","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhiboma.hatenadiary.jp%2Fentry%2F2017%2F09%2F20%2F224254\" title=\"php \u306e\u6587\u5b57\u5217\u9023\u7d50\u6642\u306b\u547c\u3073\u51fa\u3055\u308c\u308b mremap(2), mmap(2) - hiboma\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}