{"id":11280,"date":"2023-11-28T21:58:27","date_gmt":"2023-11-28T13:58:27","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11280"},"modified":"2023-12-08T11:29:50","modified_gmt":"2023-12-08T03:29:50","slug":"java-zhong-sheng-chan-huan-jingcpu-zhan-yong-guo-g","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/java-zhong-sheng-chan-huan-jingcpu-zhan-yong-guo-g\/","title":{"rendered":"Java\u4e2d\u751f\u4ea7\u73af\u5883CPU\u5360\u7528\u8fc7\u9ad8\uff0c\u4f60\u5982\u4f55\u89e3\u51b3\uff1f"},"content":{"rendered":"<p>\u9ad8CPU\u5360\u7528\u662fJava\u5e94\u7528\u7a0b\u5e8f\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u5e38\u89c1\u7684\u6027\u80fd\u95ee\u9898\u4e4b\u4e00\u3002\u89e3\u51b3\u9ad8CPU\u5360\u7528\u7684\u95ee\u9898\u9700\u8981\u6df1\u5165\u5206\u6790\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8bae\u548c\u6b65\u9aa4\uff1a<\/p>\n<ol>\n<li>\n<strong>\u6027\u80fd\u5206\u6790\u5de5\u5177\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u6027\u80fd\u5206\u6790\u5de5\u5177\uff0c\u5982VisualVM\u3001YourKit\u3001JProfiler\u7b49\uff0c\u6765\u5206\u6790\u5e94\u7528\u7a0b\u5e8f\u7684\u8fd0\u884c\u72b6\u51b5\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u4ee5\u63d0\u4f9b\u5b9e\u65f6\u7684CPU\u4f7f\u7528\u60c5\u51b5\u3001\u7ebf\u7a0b\u5806\u6808\u3001\u5185\u5b58\u4f7f\u7528\u7b49\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u7ebf\u7a0b\u5206\u6790\uff1a<\/strong><\/p>\n<ul>\n<li>\u901a\u8fc7\u6027\u80fd\u5206\u6790\u5de5\u5177\u67e5\u770b\u7ebf\u7a0b\u7684\u5806\u6808\u4fe1\u606f\uff0c\u627e\u51fa\u5360\u7528CPU\u7684\u7ebf\u7a0b\u3002\u53ef\u80fd\u5b58\u5728\u4e00\u4e9b\u6b7b\u9501\u3001\u957f\u65f6\u95f4\u963b\u585e\u7b49\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>GC\u5206\u6790\uff1a<\/strong><\/p>\n<ul>\n<li>\u67e5\u770b\u5783\u573e\u6536\u96c6\u65e5\u5fd7\uff0c\u5206\u6790\u5783\u573e\u6536\u96c6\u7684\u9891\u7387\u548c\u505c\u987f\u65f6\u95f4\u3002\u5982\u679c\u5783\u573e\u6536\u96c6\u6210\u4e3a\u6027\u80fd\u74f6\u9888\uff0c\u53ef\u4ee5\u8003\u8651\u8c03\u6574\u5783\u573e\u6536\u96c6\u5668\u7684\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u4ee3\u7801\u5ba1\u67e5\uff1a<\/strong><\/p>\n<ul>\n<li>\u5bf9\u5e94\u7528\u7a0b\u5e8f\u7684\u4ee3\u7801\u8fdb\u884c\u5ba1\u67e5\uff0c\u5bfb\u627e\u53ef\u80fd\u7684\u6027\u80fd\u95ee\u9898\u3002\u53ef\u80fd\u5b58\u5728\u4e00\u4e9b\u4e0d\u5fc5\u8981\u7684\u5faa\u73af\u3001IO\u64cd\u4f5c\u3001\u7ebf\u7a0b\u963b\u585e\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u65e5\u5fd7\u8bb0\u5f55\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728\u4ee3\u7801\u4e2d\u52a0\u5165\u8be6\u7ec6\u7684\u65e5\u5fd7\u8bb0\u5f55\uff0c\u5e2e\u52a9\u5b9a\u4f4d\u95ee\u9898\u6240\u5728\u3002\u53ef\u4ee5\u8bb0\u5f55\u65b9\u6cd5\u7684\u5165\u53e3\u548c\u51fa\u53e3\uff0c\u4ee5\u53ca\u5173\u952e\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u6027\u80fd\u6d4b\u8bd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u8fdb\u884c\u6027\u80fd\u6d4b\u8bd5\uff0c\u6a21\u62df\u751f\u4ea7\u73af\u5883\u7684\u8d1f\u8f7d\uff0c\u89c2\u5bdf\u6027\u80fd\u8868\u73b0\u3002\u6027\u80fd\u6d4b\u8bd5\u53ef\u4ee5\u5e2e\u52a9\u53d1\u73b0\u4e00\u4e9b\u5728\u4f4e\u8d1f\u8f7d\u4e0b\u4e0d\u5bb9\u6613\u5bdf\u89c9\u7684\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u7248\u672c\u5347\u7ea7\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u4f7f\u7528\u7684Java\u7248\u672c\u8f83\u8001\uff0c\u8003\u8651\u5347\u7ea7\u5230\u8f83\u65b0\u7684\u7248\u672c\u3002\u65b0\u7248\u672c\u901a\u5e38\u5305\u542b\u4e86\u6027\u80fd\u4f18\u5316\u548cbug\u4fee\u590d\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>JVM\u53c2\u6570\u8c03\u4f18\uff1a<\/strong><\/p>\n<ul>\n<li>\u8c03\u6574Java\u865a\u62df\u673a\u7684\u53c2\u6570\uff0c\u5305\u62ec\u5806\u5927\u5c0f\u3001\u5783\u573e\u6536\u96c6\u5668\u3001\u7ebf\u7a0b\u6570\u7b49\u3002\u6839\u636e\u5177\u4f53\u60c5\u51b5\u8fdb\u884c\u8c03\u4f18\uff0c\u907f\u514d\u8fc7\u5927\u6216\u8005\u8fc7\u5c0f\u7684\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u5e76\u53d1\u5ea6\u548c\u8fde\u63a5\u6c60\uff1a<\/strong><\/p>\n<ul>\n<li>\u5bf9\u4e8e\u6d89\u53ca\u5230\u5e76\u53d1\u64cd\u4f5c\u7684\u4e1a\u52a1\uff0c\u68c0\u67e5\u5e76\u53d1\u5ea6\u7684\u8bbe\u7f6e\uff0c\u4ee5\u53ca\u8fde\u63a5\u6c60\u7684\u914d\u7f6e\u3002\u786e\u4fdd\u5e76\u53d1\u64cd\u4f5c\u80fd\u591f\u9ad8\u6548\u6267\u884c\uff0c\u907f\u514d\u963b\u585e\u548c\u7b49\u5f85\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u5916\u90e8\u8d44\u6e90\uff1a<\/strong><\/p>\n<ul>\n<li>\u68c0\u67e5\u5e94\u7528\u7a0b\u5e8f\u662f\u5426\u6709\u5bf9\u5916\u90e8\u8d44\u6e90\uff08\u6570\u636e\u5e93\u3001\u6587\u4ef6\u7cfb\u7edf\u3001\u7f51\u7edc\u7b49\uff09\u7684\u8fc7\u5ea6\u4f9d\u8d56\u6216\u8005\u9891\u7e41\u8bf7\u6c42\u3002\u53ef\u80fd\u9700\u8981\u4f18\u5316\u5bf9\u8fd9\u4e9b\u8d44\u6e90\u7684\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u5206\u5e03\u5f0f\u7cfb\u7edf\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c\u662f\u5206\u5e03\u5f0f\u7cfb\u7edf\uff0c\u8003\u8651\u5206\u6790\u548c\u4f18\u5316\u5404\u4e2a\u6a21\u5757\u4e4b\u95f4\u7684\u901a\u4fe1\u548c\u6570\u636e\u4f20\u8f93\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u5b9a\u671f\u68c0\u67e5\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u5b9a\u671f\u68c0\u67e5\u7cfb\u7edf\u7684\u6027\u80fd\u5e76\u8fdb\u884c\u4f18\u5316\u662f\u5fc5\u8981\u7684\u3002\u968f\u7740\u4e1a\u52a1\u7684\u53d1\u5c55\uff0c\u6027\u80fd\u95ee\u9898\u53ef\u80fd\u4f1a\u6709\u53d8\u5316\uff0c\u9700\u8981\u6301\u7eed\u5173\u6ce8\u548c\u8c03\u4f18\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u7efc\u5408\u4f7f\u7528\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u8bc6\u522b\u548c\u89e3\u51b3\u9ad8CPU\u5360\u7528\u7684\u95ee\u9898\u3002\u5728\u5904\u7406\u6027\u80fd\u95ee\u9898\u65f6\uff0c\u7406\u89e3\u5e94\u7528\u7a0b\u5e8f\u7684\u67b6\u6784\u3001\u4ee3\u7801\u903b\u8f91\u548c\u7cfb\u7edf\u73af\u5883\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9ad8CPU\u5360\u7528\u662fJava\u5e94\u7528\u7a0b\u5e8f\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u5e38\u89c1\u7684\u6027\u80fd\u95ee\u9898\u4e4b\u4e00\u3002\u89e3\u51b3\u9ad8CPU\u5360\u7528\u7684\u95ee\u9898\u9700\u8981\u6df1\u5165\u5206\u6790\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[119],"tags":[],"class_list":["post-11280","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11280","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=11280"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11280\/revisions"}],"predecessor-version":[{"id":16983,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11280\/revisions\/16983"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11280"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}