\n
\u4e0d\u7ba1\u662f\u4f7f\u7528\u7535\u8111\u6216\u8005\u662f\u4f7f\u7528\u670d\u52a1\u5668\uff0c\u90fd\u4f1a\u9047\u5230CPU\u5360\u7528\u8fc7\u9ad8\u600e\u4e48\u89e3\u51b3\u8fd9\u6837\u4e00\u4e2a\u95ee\u9898\u3002\u4f46\u662f\u7535\u8111\u548c\u670d\u52a1\u5668\u89e3\u51b3CPU\u5360\u7528\u8fc7\u9ad8\u8fd9\u4e2a\u95ee\u9898\u7684\u65b9\u6cd5\u548c\u624b\u6bb5\u8fd8\u662f\u7565\u6709\u4e0d\u540c\u7684\uff0c\u90a3\u4e48\uff0c\u670d\u52a1\u5668CPU\u5360\u7528\u8fc7\u9ad8\u5982\u4f55\u89e3\u51b3\u5462\uff1f\u8fd9\u662f\u4eca\u5929\u5c0f\u8587\u60f3\u548c\u5927\u5bb6\u8bf4\u7684\u4e00\u4e2a\u95ee\u9898\u3002<\/p>\n<\/p>\n
\u50cf\u7535\u8111CPU\u5360\u7528\u8fc7\u9ad8\uff0c\u4e00\u822c\u53ef\u4ee5\u76f4\u63a5\u5230\u4efb\u52a1\u7ba1\u7406\u5668\u4e2d\u505c\u7528\u8f83\u9ad8\u7684\u5e94\u7528\u8fdb\u7a0b\uff0c\u6216\u8005\u662f\u626b\u63cf\u67e5\u6740\u7535\u8111\u662f\u5426\u4e2d\u4e86\u75c5\u6bd2\uff0c\u6216\u8005\u662f\u7981\u7528\u4e00\u4e9b\u4e0d\u5fc5\u8981\u7684\u542f\u52a8\u9879\uff0c\u6216\u8005\u662f\u964d\u4e00\u4e0b\u64cd\u4f5c\u7cfb\u7edf\u3002\u7136\u800c\uff0c\u5982\u679c\u662f\u670d\u52a1\u5668\u7684CPU\u5360\u7528\u8fc7\u9ad8\uff0c\u90a3\u4e48\u89e3\u51b3\u65b9\u6cd5\u5c31\u4e0d\u4f1a\u8fd9\u4e48\u7b80\u5355\uff0c\u4e00\u822c\u800c\u8a00\uff0c\u5206\u8fd9\u51e0\u90e8\u8d70\uff1a<\/p>\n<\/p>\n
\u4e00\u822c\u53ef\u4ee5\u6839\u636e\u6570\u636e\u7684\u6d41\u5411\u8fdb\u884c\u6027\u80fd\u5404\u90e8\u4ef6\u7684\u5206\u6790\uff0c\u4ee5\u6211\u73b0\u5728\u4f7f\u7528\u7684\u7cfb\u7edf\u6765\u8bf4\u6570\u636e\u6d41\u5411\u4e3a\uff1a\u7528\u6237\u2014\u2014\u7f51\u7edc\u2014\u5e94\u7528\u670d\u52a1\u5668\uff08tomacat\uff09\u2014\u2014\u540e\u53f0\u6570\u636e\u5e93\u2014\u6570\u636e\u843d\u5730\uff08\u6570\u636e\u662f\u5426\u5199\u5165\u5230\u6570\u636e\u5e93\u6216\u8005\u67e5\u8be2\u5230\uff09<\/p>\n<\/p>\n
\u5176\u4ed6\uff1a\u7528\u6237\u2014\u2014\u7f51\u7edc-nginx\u2014\u2014\uff08\u4e2d\u95f4\u4ef6\uff09\u2014\u2014\u5e94\u7528\u670d\u52a1\u5668\uff08tomacat\uff09\u2014\u2014\u540e\u53f0\u6570\u636e\u5e93\u2014\u6570\u636e\u843d\u5730\uff08\u6570\u636e\u662f\u5426\u5199\u5165\u5230\u6570\u636e\u5e93\uff09<\/p>\n<\/p>\n
\u5728\u8fdb\u884c\u6027\u80fd\u5206\u6790\u65f6\uff0c\u53ef\u4ee5\u4e00\u70b9\u4e00\u70b9\u7684\u6392\u67e5\u3002<\/p>\n
\u6b64\u5904\u4ec5\u5b66\u4e60\u5982\u4f55\u5b9a\u4f4dCPU\u5360\u7528\u8fc7\u9ad8\u7684\u8fdb\u7a0b\uff0c\u5e76\u8fdb\u884c\u5b9a\u4f4d\uff1a<\/p>\n<\/p>\n
\u4e00\u3001\u51c6\u5907\u5de5\u4f5c<\/p>\n<\/p>\n
1\u3001\u9ad8\u5e76\u53d1\u7684\u538b\u6d4b\u811a\u672c\uff08\u7528\u6237\u767b\u5f55\u3001\u67e5\u8be2\uff09<\/p>\n<\/p>\n
2\u3001\u53ef\u4ee5\u8fde\u63a5\u7684\u5e94\u7528\u670d\u52a1\u5668\uff08\u7528\u6237\u540d\u3001\u5bc6\u7801\uff09<\/p>\n<\/p>\n
3\u3001\u7a33\u5b9a\u7684\u7f51\u7edc\u73af\u5883<\/p>\n
\u4e8c\u3001\u811a\u672c\u8c03\u8bd5<\/p>\n<\/p>\n
1\u3001\u4f7f\u7528jmeter\u5f55\u5236\u5b8c\u6210\u811a\u672c\uff0c\u8fdb\u884c\u4e00\u6b21\u57fa\u51c6\u6d4b\u8bd5\uff0c\u4fdd\u8bc1\u811a\u672c\u53ef\u7528\u3002<\/p>\n<\/p>\n
2\u3001\u672a\u8fdb\u884c\u52a0\u6d4b\u524d\uff0c\u5148\u67e5\u770b\u7a7a\u95f2\u65f6\u7684\u7cfb\u7edf\u5229\u7528\u7387\uff1atop \u547d\u4ee4\u76f4\u63a5\u67e5\u770b\u3002<\/p>\n<\/p>\n
3\u3001\u914d\u7f6e\u6d4b\u8bd5\u73af\u5883\u4f7f\u65bd\u538b\u673a\u4e00\u76f4\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u538b\u6d4b\u5728\u67e5\u770b\u670d\u52a1\u5668\u7684\u8fd0\u884c\u72b6\u51b5\u3002<\/p>\n<\/p>\n
4\u3001\u67e5\u770b\u7a0b\u5e8f\u4e2d\u5360\u7528\u8d44\u6e90\u6700\u5927\u7684\u7ebf\u7a0bID\u3002<\/p>\n<\/p>\n
5\u3001\u5c06PID=26403\u8f6c\u6362\u621016\u8fdb\u5236\uff1aprintf\u201c%x\\\\\\\\n\u201d 26403,\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u5916\u90e8\u7684\u88c5\u6362\u65b9\u5f0f\u3002<\/p>\n<\/p>\n
6\u3001\u4f7f\u7528\u547d\u4ee4 jstack \uff083\uff09\u4e2d\u8fdb\u7a0b | grep tid \u3010-C=\u7ebf\u7a0b\u524d\u540e\u884c\u6570\uff0c-A =\u7ebf\u7a0b\u540e\u884c\u6570 \uff0c-B=\u7ebf\u7a0b\u4e4b\u524d\u884c\u6570\u3011 \u6570\u5b57\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u8fd9\u6837\u51e0\u4e2a\u6b65\u9aa4\u5c31\u80fd\u627e\u5230CPU\u5360\u7528\u8fc7\u9ad8\u7684\u539f\u56e0\u5e76\u4e14\u7528\u76f8\u5e94\u7684\u529e\u6cd5\u89e3\u51b3\u6389\u8fc7\u9ad8\u7684\u8fdb\u7a0b\uff0c\u5f53\u7136\uff0c\u8fd9\u662f\u5bfb\u627eCPU\u5360\u7528\u8fc7\u9ad8\u600e\u4e48\u89e3\u51b3\u7684\u529e\u6cd5\u4e4b\u4e00\uff0c\u670d\u52a1\u5668cpu\u8fc7\u9ad8\u8be5\u600e\u4e48\u5904\u7406\u4e2d\uff0c\u4e91\u670d\u52a1\u5546\u5199\u8fc7<\/p>\n
\u66f4\u591a\u5173\u4e8e\u4e91\u670d\u52a1\u5668\uff0c\u57df\u540d<\/a><\/span>\u6ce8\u518c\uff0c\u865a\u62df\u4e3b\u673a\u7684\u95ee\u9898\uff0c\u8bf7\u8bbf\u95ee\u57a6\u6d3e\u79d1\u6280<\/a><\/span>\u5b98\u7f51\uff1awww.kenpai.com<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":" \u4e0d\u7ba1\u662f\u4f7f\u7528\u7535\u8111\u6216\u8005\u662f\u4f7f\u7528\u670d\u52a1\u5668\uff0c\u90fd\u4f1a\u9047\u5230CPU\u5360\u7528\u8fc7\u9ad8\u600e\u4e48\u89e3\u51b3\u8fd9\u6837\u4e00\u4e2a\u95ee\u9898\u3002\u4f46\u662f\u7535\u8111\u548c\u670d\u52a1\u5668\u89e3\u51b3CPU\u5360\u7528\u8fc7\u9ad8\u8fd9\u4e2a\u95ee\u9898\u7684\u65b9\u6cd5\u548c\u624b\u6bb5\u8fd8\u662f\u7565\u6709\u4e0d\u540c\u7684\uff0c\u90a3<\/p>\n","protected":false},"author":2,"featured_media":4348,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3322],"tags":[4077],"class_list":["post-5400","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ktougao","tag-cpu"],"_links":{"self":[{"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/posts\/5400","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/comments?post=5400"}],"version-history":[{"count":0,"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/posts\/5400\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/media\/4348"}],"wp:attachment":[{"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/media?parent=5400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/categories?post=5400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kenpai.com\/cms\/wp-json\/wp\/v2\/tags?post=5400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}