{"id":202548,"date":"2025-05-22T09:10:07","date_gmt":"2025-05-22T01:10:07","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202548\/"},"modified":"2025-05-22T09:10:07","modified_gmt":"2025-05-22T01:10:07","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-java-%e8%99%9a%e6%8b%9f%e6%9c%ba-jvm-%e8%b0%83%e8%af%95%e5%99%a8%e6%9d%a5%e8%a7%a3%e5%86%b3-java-%e5%87%bd%e6%95%b0%e6%89%a7%e8%a1%8c%e6%95%88%e7%8e%87%e4%bd%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202548\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 Java \u865a\u62df\u673a (JVM) \u8c03\u8bd5\u5668\u6765\u89e3\u51b3 Java \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u7684\u95ee\u9898\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528 Java \u865a\u62df\u673a (JVM) \u8c03\u8bd5\u5668\u6765\u89e3\u51b3 Java \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u7684\u95ee\u9898\uff1f<\/h1>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300a\u5982\u4f55\u4f7f\u7528 Java \u865a\u62df\u673a (JVM) \u8c03\u8bd5\u5668\u6765\u89e3\u51b3 Java \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u7684\u95ee\u9898\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528 Java VisualVM \u7684\u63a2\u67e5\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u5206\u6790 Java \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u4e0b\u7684\u539f\u56e0\uff1a\u542f\u7528\u5806\u8f6c\u50a8\u3001CPU \u5206\u6790\u548c\u5185\u5b58\u5206\u6790\u63a2\u67e5\u5668\u3002\u8c03\u7528\u51fd\u6570\u5e76\u6536\u96c6\u6570\u636e\u3002\u5206\u6790 CPU \u4f7f\u7528\u3001\u5806\u5bf9\u8c61\u548c\u5185\u5b58\u5206\u914d\uff0c\u4ee5\u8bc6\u522b\u95ee\u9898\u3002\u6839\u636e\u53d1\u73b0\u7684\u95ee\u9898\u91c7\u53d6\u8865\u6551\u63aa\u65bd\uff0c\u4f8b\u5982\u4fee\u590d\u6b7b\u5faa\u73af\u6216\u91ca\u653e\u672a\u4f7f\u7528\u7684\u5185\u5b58\uff0c\u4ee5\u63d0\u5347\u51fd\u6570\u6548\u7387\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729916604671c6ebc3de83.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 JVM \u8c03\u8bd5\u5668\u6765\u89e3\u51b3 Java \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u7684\u95ee\u9898<\/strong><\/p>\n<p><strong>\u5f15\u8a00<\/strong><\/p>\n<p>\u5728 Java \u5f00\u53d1\u4e2d\uff0c\u4e86\u89e3\u51fd\u6570\u6267\u884c\u6548\u7387\u81f3\u5173\u91cd\u8981\u3002\u5982\u679c\u51fd\u6570\u6267\u884c\u7f13\u6162\uff0c\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u53ef\u80fd\u4f1a\u53d7\u5230\u4e25\u91cd\u5f71\u54cd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528 Java \u865a\u62df\u673a (JVM) \u8c03\u8bd5\u5668\u6765\u8bc6\u522b\u548c\u89e3\u51b3 Java \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u7684\u95ee\u9898\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3a <code>myFunction<\/code> \u7684 Java \u51fd\u6570\uff0c\u6267\u884c\u975e\u5e38\u6162\u3002\u6211\u4eec\u8981\u627e\u51fa\u5bfc\u81f4\u6548\u7387\u4f4e\u4e0b\u7684\u539f\u56e0\u3002<\/p>\n<p><strong>\u6b65\u9aa4<\/strong><\/p>\n<p><strong>1. \u4f7f\u7528 Java VisualVM<\/strong><\/p>\n<p>Java VisualVM \u662f\u4e00\u4e2a\u56fe\u5f62\u754c\u9762 (GUI) \u5de5\u5177\uff0c\u7528\u4e8e\u76d1\u63a7\u548c\u5256\u6790 Java \u5e94\u7528\u7a0b\u5e8f\u3002\u5b89\u88c5 Java VisualVM \u540e\uff0c\u542f\u52a8\u5b83\u5e76\u8fde\u63a5\u5230\u6b63\u5728\u8fd0\u884c\u7684 Java \u8fdb\u7a0b\u3002<\/p>\n<p><strong>2. \u542f\u7528\u63a2\u67e5\u5668<\/strong><\/p>\n<p>\u8f6c\u5230\u201c\u5de5\u5177\u201d\u83dc\u5355\uff0c\u9009\u62e9\u201c\u63a2\u67e5\u5668\u201d\u3002\u542f\u7528\u4ee5\u4e0b\u63a2\u67e5\u5668\uff1a<\/p>\n<ul>\n<li>\u5806\u8f6c\u50a8<\/li>\n<li>CPU \u5206\u6790<\/li>\n<li>\u5185\u5b58\u5206\u6790<\/li>\n<\/ul>\n<p><strong>3. \u6267\u884c\u51fd\u6570<\/strong><\/p>\n<p>\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u8c03\u7528 <code>myFunction<\/code> \u51fd\u6570\u3002Java VisualVM \u5c06\u5f00\u59cb\u6536\u96c6\u6570\u636e\u3002<\/p>\n<p><strong>4. \u5206\u6790 CPU \u5206\u6790<\/strong><\/p>\n<p>\u8f6c\u5230\u201c\u76d1\u89c6\u5668\u201d\u9009\u9879\u5361\u4e2d\u7684\u201cCPU \u5206\u6790\u201d\u89c6\u56fe\u3002\u6b64\u89c6\u56fe\u663e\u793a\u4e86\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7ebf\u7a0b\u7684 CPU \u4f7f\u7528\u60c5\u51b5\u3002\u5bfb\u627e\u4e0e <code>myFunction<\/code> \u8c03\u7528\u5bf9\u5e94\u7684\u7ebf\u7a0b\u3002<\/p>\n<p><strong>5. \u5206\u6790\u5806\u8f6c\u50a8<\/strong><\/p>\n<p>\u8f6c\u5230\u201c\u76d1\u89c6\u5668\u201d\u9009\u9879\u5361\u4e2d\u7684\u201c\u5806\u8f6c\u50a8\u201d\u89c6\u56fe\u3002\u6b64\u89c6\u56fe\u663e\u793a\u4e86\u5806\u4e2d\u5bf9\u8c61\u7684\u5206\u5e03\u60c5\u51b5\u3002\u5bfb\u627e\u4e0e <code>myFunction<\/code> \u4e2d\u521b\u5efa\u7684\u5bf9\u8c61\u76f8\u5173\u7684\u5bf9\u8c61\u3002<\/p>\n<p><strong>6. \u5206\u6790\u5185\u5b58\u5206\u6790<\/strong><\/p>\n<p>\u8f6c\u5230\u201c\u76d1\u89c6\u5668\u201d\u9009\u9879\u5361\u4e2d\u7684\u201c\u5185\u5b58\u5206\u6790\u201d\u89c6\u56fe\u3002\u6b64\u89c6\u56fe\u663e\u793a\u4e86\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002\u5bfb\u627e\u4e0e <code>myFunction<\/code> \u4e2d\u5206\u914d\u7684\u5185\u5b58\u76f8\u5173\u7684\u5185\u5b58\u6cc4\u6f0f\u6216\u5176\u4ed6\u95ee\u9898\u3002<\/p>\n<p><strong>7. \u8bc6\u522b\u95ee\u9898<\/strong><\/p>\n<p>\u901a\u8fc7\u5206\u6790\u63a2\u67e5\u5668\u6570\u636e\uff0c\u6211\u4eec\u53ef\u4ee5\u8bc6\u522b\u5bfc\u81f4 <code>myFunction<\/code> \u6548\u7387\u4f4e\u4e0b\u7684\u95ee\u9898\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\uff1a<\/p>\n<ul>\n<li>\u51fd\u6570\u4e2d\u5b58\u5728\u4e00\u4e2a\u5bfc\u81f4\u9ad8 CPU \u4f7f\u7528\u7387\u7684\u6b7b\u5faa\u73af<\/li>\n<li>\u51fd\u6570\u610f\u5916\u5206\u914d\u4e86\u5927\u91cf\u5185\u5b58\uff0c\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f<\/li>\n<li>\u6709\u4e00\u4e2a\u963b\u6b62 <code>myFunction<\/code> \u6267\u884c\u5b8c\u7684\u6b7b\u9501<\/li>\n<\/ul>\n<p><strong>8. \u4fee\u590d\u95ee\u9898<\/strong><\/p>\n<p>\u4e00\u65e6\u6211\u4eec\u786e\u5b9a\u4e86\u95ee\u9898\uff0c\u5c31\u53ef\u4ee5\u91c7\u53d6\u63aa\u65bd\u4fee\u590d\u5b83\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\uff1a<\/p>\n<ul>\n<li>\u4fee\u590d\u6b7b\u5faa\u73af<\/li>\n<li>\u91ca\u653e\u672a\u4f7f\u7528\u7684\u5185\u5b58<\/li>\n<li>\u89e3\u51b3\u6b7b\u9501<\/li>\n<\/ul>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u4f7f\u7528 JVM \u8c03\u8bd5\u5668\uff0c\u6211\u4eec\u53ef\u4ee5\u6df1\u5165\u4e86\u89e3 Java \u51fd\u6570\u7684\u6267\u884c\u6548\u7387\uff0c\u5e76\u786e\u5b9a\u5bfc\u81f4\u6548\u7387\u4f4e\u4e0b\u95ee\u9898\u7684\u539f\u56e0\u3002\u901a\u8fc7\u8bc6\u522b\u548c\u4fee\u590d\u8fd9\u4e9b\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u663e\u7740\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300a\u5982\u4f55\u4f7f\u7528 Java \u865a\u62df\u673a (JVM) \u8c03\u8bd5\u5668\u6765\u89e3\u51b3 Java \u51fd\u6570\u6267\u884c\u6548\u7387\u4f4e\u7684\u95ee\u9898\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8ejava,JVM\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528 Java \u865a\u62df\u673a (J&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202548","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202548","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202548"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202548\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202548"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202548"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}