{"id":89715,"date":"2025-11-25T13:00:00","date_gmt":"2025-11-25T13:00:00","guid":{"rendered":"https:\/\/www.azul.com\/blog\/learn-more-about-the-memory-use-of-java-applications\/"},"modified":"2026-01-06T20:00:01","modified_gmt":"2026-01-06T20:00:01","slug":"learn-more-about-the-memory-use-of-java-applications","status":"publish","type":"post","link":"https:\/\/www.azul.com\/zh-hans\/blog\/learn-more-about-the-memory-use-of-java-applications\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Java \u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-\u603b\u7ed3\"><em><em>\u603b\u7ed3<\/em><\/em><\/h2>\n\n\n\n<p><em>\u4e3a Java \u5e94\u7528\u7a0b\u5e8f\u786e\u5b9a\u7406\u60f3\u7684\u5185\u5b58\u5927\u5c0f\u53ef\u80fd\u5177\u6709\u6311\u6218\u6027\uff0c\u4f46\u8fd9\u5bf9\u4e8e\u5b9e\u73b0\u6700\u4f73\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u4f7f\u7528<\/em><a href=\"https:\/\/www.azul.com\/products\/components\/pgc\/\"><em>\u5783\u573e\u56de\u6536\u5668<\/em><\/a><em> (GC) \u65e5\u5fd7\u6587\u4ef6\u53ef\u4ee5\u5e2e\u52a9\u786e\u5b9a Java \u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u5185\u5b58\u5927\u5c0f\u3002GC \u53ef\u4ee5\u5c06 Java \u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u4f7f\u7528\u4fdd\u6301\u5728\u5c3d\u53ef\u80fd\u4f4e\u7684\u6c34\u5e73\uff0c\u53d1\u73b0\u4ee3\u7801\u4e2d\u7684\u95ee\u9898\uff0c\u5e76\u5e2e\u52a9\u4e3a\u670d\u52a1\u5668\u6216\u865a\u62df\u73af\u5883\u786e\u5b9a\u5408\u9002\u7684\u89c4\u683c\u3002\u5783\u573e\u56de\u6536\u5668\u65e5\u5fd7\u8bb0\u5f55\u63d0\u4f9b\u4e86\u7528\u4e8e\u68c0\u67e5\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u5185\u5b58\u5927\u5c0f\u7684\u6b63\u786e\u6307\u6807<\/em>\u3002<\/p>\n\n\n\n<p><em>\u5728\u672c\u6587\u4e2d\uff0c\u60a8\u5c06\u4e86\u89e3\uff1a<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>\u5982\u4f55\u6d4b\u8bd5\uff1a\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4e0e\u90e8\u7f72\u4e2d\u7684\u91cd\u8981\u6b65\u9aa4<\/em><\/li>\n\n\n\n<li><em>\u4f7f\u7528<\/em><em> JMeter GUI <\/em><em>\u521b\u5efa\u6d4b\u8bd5<\/em><\/li>\n\n\n\n<li><em>Azul Zing <\/em><em>\u4e0e<\/em><em> OpenJDK <\/em><em>\u7684<\/em><em> Zulu <\/em><em>\u6784\u5efa\u7248\u672c\u4e4b\u95f4<\/em><em> GC <\/em><em>\u65e5\u5fd7\u7684\u5dee\u5f02<\/em><\/li>\n<\/ul>\n\n\n\n<p>\u4e3a\u670d\u52a1\u5668\u6216\u865a\u62df\u5b9e\u4f8b\u786e\u5b9a\u8fd0\u884c Java \u5e94\u7528\u7a0b\u5e8f\u7684\u7406\u60f3\u5185\u5b58\u5927\u5c0f\u53ef\u80fd\u5177\u6709\u6311\u6218\u6027\u3002\u4f46\u968f\u7740\u4e91\u5b9e\u4f8b\u7684\u6210\u672c\u65e5\u76ca\u6500\u5347\uff0c\u4ee5\u53ca\u5bf9\u751f\u6001\u7684\u5f71\u54cd\u4e0d\u65ad\u52a0\u5267\uff0c\u6b63\u786e\u914d\u7f6e\u673a\u5668\u89c4\u683c\uff0c\u4ece\u800c\u5728\u4e0d\u8fdb\u884c\u8fc7\u5ea6\u914d\u7f6e\u7684\u60c5\u51b5\u4e0b\u5904\u7406\u9884\u671f\u8d1f\u8f7d\u53d8\u5f97\u975e\u5e38\u91cd\u8981\uff0c\u8fd9\u6837\u53ef\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u964d\u4f4e\u673a\u5668\u6210\u672c\u5e76\u51cf\u5c11\u5176\u751f\u6001\u5f71\u54cd\u3002\u4e86\u89e3\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u5927\u5c0f\u9700\u6c42\u5bf9\u4e8e\u4ee5\u6700\u4f4e\u7684\u8fd0\u8425\u6210\u672c\u5b9e\u73b0\u6700\u4f73\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u5783\u573e\u56de\u6536\u5668 (GC) \u65e5\u5fd7\u6587\u4ef6\u786e\u5b9a\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u5185\u5b58\u5927\u5c0f\u3002\u5f97\u76ca\u4e8e Java \u8fd0\u884c\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f9d\u8d56 GC \u6e05\u7406\u4e0d\u518d\u4f7f\u7528\u7684\u5185\u5b58\uff0c\u5e76\u5c06\u6574\u4f53\u5185\u5b58\u5360\u7528\u4fdd\u6301\u5728\u5c3d\u53ef\u80fd\u4f4e\u7684\u6c34\u5e73\u3002\u5728\u6b64\u8fc7\u7a0b\u4e2d\uff0cGC \u53ef\u4ee5\u8f93\u51fa\u5305\u542b\u5927\u91cf\u4fe1\u606f\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u8fd9\u4e9b\u4fe1\u606f\u4e0d\u4ec5\u6709\u52a9\u4e8e\u6211\u4eec\u53d1\u73b0\u4ee3\u7801\u4e2d\u7684\u95ee\u9898\uff0c\u8fd8\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4e3a\u670d\u52a1\u5668\u6216\u865a\u62df\u73af\u5883\u786e\u5b9a\u5408\u9002\u7684\u89c4\u683c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u76f8\u5173\u6587\u7ae0<\/strong><\/th><\/tr><\/thead><tbody><tr><td><a href=\"https:\/\/www.azul.com\/zh-hans\/blog\/ramps-in-performance-tests-best-practices\/\">\u300a\u6027\u80fd\u6d4b\u8bd5\u4e2d\u659c\u5761\u52a0\u8f7d\u7684\u6700\u4f73\u5b9e\u8df5\u300b<\/a>\u8ba8\u8bba\u4e86\u5fc5\u987b\u8ba9\u6d4b\u8bd5\u8fd0\u884c\u8db3\u591f\u957f\u7684\u65f6\u95f4\uff0c\u4ee5\u786e\u4fdd\u6d4b\u91cf\u5230\u5e94\u7528\u7a0b\u5e8f\u5728\u5b8c\u5168\u9884\u70ed\u540e\u8d1f\u8f7d\u60c5\u51b5\u7684\u91cd\u8981\u6027\u3002<br><a href=\"https:\/\/www.azul.com\/zh-hans\/blog\/configuring-spring-boot-to-build-a-docker-image-with-azul-zulu-and-debug-options\/\">\u300a\u914d\u7f6e Spring Boot \u4ee5\u4f7f\u7528 Azul Zulu \u548c\u8c03\u8bd5\u9009\u9879\u6784\u5efa Docker \u955c\u50cf\u300b<\/a>\u63d0\u4f9b\u4e86\u6709\u5173\u5728 Docker \u955c\u50cf\u4e2d\u4f7f\u7528 Azul Zulu \u4ee5\u53ca\u83b7\u53d6 JFR \u548c GCLog \u7ed3\u679c\u7684\u66f4\u591a\u4fe1\u606f\u3002<br><a href=\"https:\/\/www.azul.com\/zh-hans\/blog\/does-java-garbage-collection-logging-impact-application-performance\/\">Java \u5783\u573e\u56de\u6536\u65e5\u5fd7\u8bb0\u5f55\u662f\u5426\u4f1a\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\uff1f<\/a>\u4e00\u7bc7\u4ecb\u7ecd GC \u65e5\u5fd7\u8bb0\u5f55\u4f17\u591a\u4f18\u52bf\u7684\u6587\u7ae0\u3002\u59cb\u7ec8\u4fdd\u7559\u65e5\u5fd7\u6587\u4ef6\u53ef\u8ba9\u60a8\u4e86\u89e3\u8bb8\u591a\u4fe1\u606f\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"HowtoDefinetheRequiredAmountofMemoryforYourJavaApplication-HowtoTestYourApplication\">\u5982\u4f55\u6d4b\u8bd5\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f<\/h2>\n\n\n\n<p>\u771f\u5b9e\u573a\u666f\u6d4b\u8bd5\u4e2d\u6700\u56f0\u96be\u4f46\u4e5f\u662f\u6700\u91cd\u8981\u7684\u90e8\u5206\uff0c\u662f\u62e5\u6709\u4e00\u4e2a\u53ef\u91cd\u590d\u7684\u8d1f\u8f7d\u6d4b\u8bd5\uff0c\u5e76\u4e14\u8be5\u6d4b\u8bd5\u9700\u8981\u8d34\u8fd1\u5e94\u7528\u7a0b\u5e8f\u7684\u5b9e\u9645\u4f7f\u7528\u60c5\u51b5\u3002\u8fd9\u662f\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u548c\u90e8\u7f72\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6b65\u9aa4\uff0c\u9700\u8981\u5f00\u53d1\u56e2\u961f\u4e0e DevOps \u56e2\u961f\u5c55\u5f00\u534f\u4f5c\u3002\u5728\u8bbe\u7f6e\u6d4b\u8bd5\u4ee5\u786e\u5b9a\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u5185\u5b58\u91cf\u65f6\uff0c\u6709\u51e0\u4e2a\u8981\u70b9\u9700\u8981\u6ce8\u610f\u3002\u8fd9\u4e9b\u8981\u70b9\u5728\u5176\u4ed6\u573a\u666f\u4e2d\u540c\u6837\u9002\u7528\uff0c\u4f8b\u5982\u6d4b\u8bd5\u6700\u5927\u541e\u5410\u91cf\u65f6\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7559\u8db3\u65f6\u95f4\uff1a<\/strong>\u5f53\u6267\u884c Java \u5e94\u7528\u7a0b\u5e8f\u65f6\uff0cJVM \u4f1a\u5c06\u6700\u5e38\u7528\u7684\u5b57\u8282\u7801\uff08\u7c7b\u6587\u4ef6\uff09\u91cd\u65b0\u7f16\u8bd1\u4e3a\u672c\u5730\u4ee3\u7801\u3002\u6b64\u8fc7\u7a0b\u9700\u8981\u4e00\u5b9a\u65f6\u95f4\uff08\u79f0\u4e3a\u9884\u70ed\u65f6\u95f4\uff09\uff0c\u56e0\u6b64\u60a8\u9700\u8981\u7b49\u5f85\u5e94\u7528\u7a0b\u5e8f\u5728\u9884\u671f\u7684\u5178\u578b\u8d1f\u8f7d\u4e0b\u8fd0\u884c\u8db3\u591f\u957f\u7684\u65f6\u95f4\u3002\u5e94\u7528\u7a0b\u5e8f\u5fc5\u987b\u6839\u636e\u5411\u5176\u65bd\u52a0\u7684\u8d1f\u8f7d\uff0c\u8c03\u7528\u6240\u6709\u5e94\u6267\u884c\u7684\u4ee3\u7801\u3002<\/li>\n\n\n\n<li><strong>\u8c28\u614e\u5bf9\u5f85\u672c\u5730\u6d4b\u8bd5<\/strong>\uff1a\u90e8\u5206\u6d4b\u8bd5\u53ef\u5728\u60a8\u81ea\u5df1\u7684\u673a\u5668\u4e0a\u8f7b\u677e\u6267\u884c\uff0c\u4f46\u8bf7\u6ce8\u610f\u6d4b\u8bd5\u672c\u8eab\u5e26\u6765\u7684\u8d1f\u8f7d\uff01\u5728\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u7684\u540c\u4e00\u53f0\u673a\u5668\u4e0a\u6267\u884c\u8d1f\u8f7d\u6d4b\u8bd5\uff0c\u53ef\u80fd\u5bfc\u81f4 CPU \u548c\/\u6216\u5185\u5b58\u8fc7\u8f7d\uff0c\u4ece\u800c\u5f71\u54cd\u88ab\u6d4b\u8bd5\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u4f7f\u7528\u771f\u5b9e\u573a\u666f\u6d4b\u8bd5\uff1a<\/strong>\u53ea\u6709\u5f53\u60a8\u80fd\u591f\u5728\u4e00\u4e2a\u4e0e\u751f\u4ea7\u7cfb\u7edf\u76f8\u4f3c\u7684\u73af\u5883\u4e2d\u6a21\u62df\u9884\u671f\u8d1f\u8f7d\u65f6\uff0c\u6d4b\u8bd5\u624d\u6709\u6548\u3002<\/li>\n\n\n\n<li><strong>\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u6d4b\u8bd5<\/strong>\uff1aGC \u65e5\u5fd7\u5bf9\u7cfb\u7edf\u6027\u80fd\u7684\u5f71\u54cd\u6781\u5c0f\u3002\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\uff0c\u4e0e\u642d\u5efa\u5b8c\u6574\u7684\u6d4b\u8bd5\u73af\u5883\u76f8\u6bd4\uff0c\u8fd9\u662f\u4e00\u79cd\u83b7\u53d6\u771f\u5b9e\u65e5\u5fd7\u7ed3\u679c\u7684\u66f4\u7b80\u5355\u3001\u66f4\u5b9e\u60e0\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u4f7f\u7528-spring-petclinic-\u8fdb\u884c\u5b9e\u9a8c\">\u4f7f\u7528 Spring Petclinic \u8fdb\u884c\u5b9e\u9a8c<\/h2>\n\n\n\n<p>\u6211\u4f7f\u7528 Spring Pet Clinic \u5e94\u7528\u7a0b\u5e8f\u6765\u4e3a\u672c\u6587\u6536\u96c6\u6d4b\u8bd5\u7ed3\u679c\u3002\u6e90\u4ee3\u7801\u5df2<a href=\"https:\/\/github.com\/spring-projects\/spring-petclinic\" target=\"_blank\" rel=\"noreferrer noopener\">\u5728 GitHub \u4e0a\u63d0\u4f9b<\/a>\uff0c\u5e76\u5305\u542b\u4e00\u4e2a JMeter \u6d4b\u8bd5\u811a\u672c\u3002<\/p>\n\n\n\n<p>\u8fd0\u884c\u6d4b\u8bd5\u5e94\u7528\u7a0b\u5e8f<\/p>\n\n\n\n<p>\u8981\u9075\u5faa\u6b64\u65b9\u6cd5\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u83b7\u53d6\u6e90\u4ee3\u7801\u3001\u7f16\u8bd1\u5e94\u7528\u7a0b\u5e8f\u5e76\u542f\u52a8\u5b83\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u83b7\u53d6\u6e90\u4ee3\u7801\n$ git clone https:\/\/github.com\/spring-projects\/spring-petclinic\n$ cd spring-petclinic\n \n# \u751f\u6210 JAR \u6587\u4ef6\u5e76\u8fd0\u884c\uff0c\u4f7f\u7528 CTRL+C \u505c\u6b62\u5e94\u7528\u7a0b\u5e8f\n$ .\/mvnw package\n$ java -Xlog:gc,safepoint:gc.log::filecount=0 -jar target\/*.jar<\/code><\/pre>\n\n\n\n<p>\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u73b0\u5728\u5df2\u914d\u7f6e\u4e3a\u5c06\u5783\u573e\u56de\u6536\u65e5\u5fd7\u8bb0\u5f55\u5b58\u50a8\u5728\u5355\u4e00\u6587\u4ef6\u4e2d\u3002\u8fd9\u79cd\u8bbe\u7f6e\u975e\u5e38\u9002\u5408\u672c\u6587\u4e2d\u7684\u6d4b\u8bd5\u3002\u4f46\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u542f\u7528 GC \u65e5\u5fd7\u65f6\uff0c\u5e94\u5f53\u4f7f\u7528\u6eda\u52a8\u6587\u4ef6\uff0c\u4ee5\u9632\u6b62\u6587\u4ef6\u53d8\u5f97\u8fc7\u5927\u5e76\u5360\u6ee1\u5b58\u50a8\u7a7a\u95f4\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 -Xlog:gc,safepoint:gc.log::filecount=10,filesize=100M \u5c06\u65e5\u5fd7\u8f6e\u8f6c\u8bbe\u7f6e\u4e3a\u6700\u591a 10 \u4e2a\u6587\u4ef6\uff0c\u6bcf\u4e2a\u6587\u4ef6 100MB\u3002\u5982\u679c\u672a\u5b9a\u4e49 filecount \u548c filesize\uff0c\u5219\u9ed8\u8ba4\u4e3a 5 \u4e2a\u6587\u4ef6\uff0c\u6bcf\u4e2a\u6587\u4ef6 20MB\uff0c\u56e0\u6b64 GC \u65e5\u5fd7\u6700\u591a\u53ea\u4f1a\u4f7f\u7528 100MB\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u5173\u4e8e-jmeter\">\u5173\u4e8e JMeter<\/h2>\n\n\n\n<p>Spring Petclinic \u9879\u76ee<a href=\"https:\/\/github.com\/spring-projects\/spring-petclinic\/tree\/main\/src\/test\/jmeter\" target=\"_blank\" rel=\"noreferrer noopener\">\u5305\u542b\u4e00\u4e2a JMeter \u6d4b\u8bd5<\/a>\u3002\u6b64\u7c7b\u6d4b\u8bd5\u53ef\u4ee5\u4f7f\u7528 Apache JMeter \u6267\u884c\uff0c\u8fd9\u662f\u4e00\u4e2a 100% \u7eaf\u5f00\u6e90\u7684 Java \u5e94\u7528\u7a0b\u5e8f\uff0c\u65e8\u5728\u5bf9\u529f\u80fd\u884c\u4e3a\u8fdb\u884c\u8d1f\u8f7d\u6d4b\u8bd5\u5e76\u8861\u91cf\u6027\u80fd\u3002\u5b83\u6700\u521d\u4e3a\u6d4b\u8bd5 Web \u5e94\u7528\u7a0b\u5e8f\u800c\u8bbe\u8ba1\uff0c\u4f46\u540e\u6765\u6269\u5c55\u5230\u4e86\u5176\u4ed6\u6d4b\u8bd5\u529f\u80fd\u3002<a href=\"https:\/\/jmeter.apache.org\/download_jmeter.cgi\" target=\"_blank\" rel=\"noreferrer noopener\">\u8bf7\u68c0\u67e5\u6700\u65b0\u7248\u672c\u5e76\u4e0b\u8f7d<\/a>\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$ cd ~\/Downloads\n$ wget https:\/\/dlcdn.apache.org\/\/jmeter\/binaries\/apache-jmeter-5.6.3.zip\n$ unzip apache-jmeter-5.6.3.zip\n$ rm apache-jmeter-5.6.3.zip<\/code><\/pre>\n\n\n\n<p>JMeter \u6d4b\u8bd5\u53ef\u4ee5\u901a\u8fc7 GUI \u5e94\u7528\u7a0b\u5e8f\u6267\u884c\uff0c\u4f46\u4e0d\u5efa\u8bae\u8fd9\u6837\u505a\uff0c\u56e0\u4e3a\u8fd9\u4f1a\u5e26\u6765 GUI \u5f71\u54cd\u6d4b\u8bd5\u6027\u80fd\u7684\u98ce\u9669\u3002\u5e94\u8be5\u4ec5\u5c06 GUI \u7528\u4e8e\u521b\u5efa\u6d4b\u8bd5\u6216\u8fd0\u884c\u6d4b\u8bd5\u4ee5\u9a8c\u8bc1\u5176\u914d\u7f6e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"HowtoDefinetheRequiredAmountofMemoryforYourJavaApplication-CreatingatestwithJMeterGUI\">\u4f7f\u7528 JMeter GUI \u521b\u5efa\u6d4b\u8bd5<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u542f\u52a8 Apache JMeter GUI \u5e94\u7528\u7a0b\u5e8f\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>$ java -jar ~\/Downloads\/apache-jmeter-5.6.3\/bin\/ApacheJMeter.jar<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u7528\u6237\u754c\u9762\u4e2d\uff0c\u70b9\u51fb\u201c\u6587\u4ef6\u201d&gt;\u201c\u6253\u5f00\u201d\uff0c\u9009\u62e9\u6587\u4ef6 spring-petclinic\/src\/test\/jmeter\/petclinic_test_plan.jmx\u3002<\/li>\n\n\n\n<li>\u60a8\u53ef\u4ee5\u901a\u8fc7\u70b9\u51fb\u201c\u5f00\u59cb\u201d\u6309\u94ae\u6765\u6267\u884c\u6d4b\u8bd5\uff0c\u4ee5\u9a8c\u8bc1\u914d\u7f6e\uff0c\u8fd9\u5c06\u542f\u52a8\u7ebf\u7a0b\u6a21\u62df 500 \u4f4d\u7528\u6237\u3002<\/li>\n\n\n\n<li>\u8ba9\u5b83\u8fd0\u884c\u81f3\u6d4b\u8bd5\u5b8c\u6210\u3002\u6d3b\u52a8\u7ebf\u7a0b\u6570\u91cf\u5c06\u4ece 500 \u4e0b\u964d\u5230 0\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.azul.com\/wp-content\/uploads\/jmeter-test-loaded.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" data-id=\"72099\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/jmeter-test-loaded-1024x682.png?auto=format&crop=faces,entropy&fit=max&q=80&s=66e277a1ef8e93ce1d159b0ccb6395bc\" alt=\"\" class=\"wp-image-72099\"\/><\/a><figcaption class=\"wp-element-caption\">\u51fb\u56fe\u7247\u6253\u5f00\u5927\u56fe<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.azul.com\/wp-content\/uploads\/jmeter-test-running.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" data-id=\"72117\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/jmeter-test-running-1024x682.png?auto=format&crop=faces,entropy&fit=max&q=80&s=c5375379d5e937b0238e7ff42877e643\" alt=\"\" class=\"wp-image-72117\"\/><\/a><figcaption class=\"wp-element-caption\">\u51fb\u56fe\u7247\u6253\u5f00\u5927\u56fe<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.azul.com\/wp-content\/uploads\/jmeter-test-finished.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" data-id=\"72105\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/jmeter-test-finished-1024x682.png?auto=format&crop=faces,entropy&fit=max&q=80&s=0d3f5064da9f2b6ae620a9bb67bcc829\" alt=\"\" class=\"wp-image-72105\"\/><\/a><figcaption class=\"wp-element-caption\">\u51fb\u56fe\u7247\u6253\u5f00\u5927\u56fe<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\u5728\u65e0\u754c\u9762\u6a21\u5f0f\u4e0b\u4f7f\u7528-jmeter-\u8fd0\u884c\u8d1f\u8f7d\u6d4b\u8bd5\">\u5728\u65e0\u754c\u9762\u6a21\u5f0f\u4e0b\u4f7f\u7528 JMeter \u8fd0\u884c\u8d1f\u8f7d\u6d4b\u8bd5<\/h2>\n\n\n\n<p>\u5728\u5b9e\u9645\u6d4b\u8bd5\u4e2d\uff0c\u6211\u4eec\u5c06\u4ee5\u65e0\u754c\u9762\u6a21\u5f0f\u8fd0\u884c JMeter\u3002\u5728\u6211\u7684\u6848\u4f8b\u4e2d\uff0c\u6211\u5728\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u7684\u540c\u4e00\u53f0\u673a\u5668\u4e0a\u6267\u884c\u6d4b\u8bd5\uff0c\u56e0\u4e3a\u5b83\u6709\u8db3\u591f\u7684\u5185\u5b58\u548c CPU \u6765\u540c\u65f6\u5904\u7406\u4e24\u8005\u3002\u91c7\u7528\u76f8\u540c\u65b9\u6cd5\u65f6\uff0c\u8bf7\u786e\u4fdd\u8fd9\u5bf9\u60a8\u7684\u6d4b\u8bd5\u540c\u6837\u9002\u7528\uff01&nbsp;<\/p>\n\n\n\n<p>\u8ba9\u6211\u4eec\u4f7f\u7528\u4ee5\u4e0b\u9009\u9879\u8fd0\u884c\u6d4b\u8bd5\u5e76\u751f\u6210\u62a5\u544a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>-n<\/strong>\uff1a\u4ee5\u65e0\u754c\u9762\u6a21\u5f0f\u8fd0\u884c\uff08\u65e0 GUI\uff09<\/li>\n\n\n\n<li><strong>-t<\/strong>\uff1a\u8981\u6267\u884c\u7684 .jmx \u6d4b\u8bd5\u811a\u672c\u8def\u5f84<\/li>\n\n\n\n<li><strong>-l<\/strong>\uff1a\u7528\u4e8e\u5b58\u50a8\u539f\u59cb\u7ed3\u679c\u7684 .jtl \u6587\u4ef6\u8def\u5f84<\/li>\n\n\n\n<li><strong>-o<\/strong>\uff1a\u8d1f\u8f7d\u6d4b\u8bd5\u5b8c\u6210\u540e\u751f\u6210\u62a5\u544a\u4eea\u8868\u677f\u7684\u8f93\u51fa\u6587\u4ef6\u5939\u8def\u5f84\uff0c\u8be5\u6587\u4ef6\u5939\u5fc5\u987b\u4e3a\u7a7a<\/li>\n\n\n\n<li><strong>-e<\/strong>\uff1a\u5728\u8d1f\u8f7d\u6d4b\u8bd5\u540e\u751f\u6210\u62a5\u544a\u4eea\u8868\u677f<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>$ java -jar ApacheJMeter.jar -n -t spring-petclinic\/src\/test\/jmeter\/petclinic_test_plan.jmx -l jmeter.jtl -o jmeter-report\/ -e<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u60a8\u672a\u6dfb\u52a0 -e \u9009\u9879\uff0c\u4ecd\u53ef\u57fa\u4e8e\u6d4b\u8bd5\u8fd0\u884c\u671f\u95f4\u521b\u5efa\u7684 .jtl \u6587\u4ef6\u7a0d\u540e\u751f\u6210 HTML \u62a5\u544a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>-g<\/strong>\uff1a\u6d4b\u8bd5\u671f\u95f4\u751f\u6210\u7684 .jtl \u6587\u4ef6\u8def\u5f84<\/li>\n\n\n\n<li><strong>-o<\/strong>\uff1a\u7528\u4e8e\u5b58\u50a8 HTML \u62a5\u544a\u7684\u6587\u4ef6\u5939<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>$ java -jar ApacheJMeter.jar -g jmeter.jtl -o jmeter-report\/<\/code><\/pre>\n\n\n\n<p>\u7531\u4e8e\u6bcf\u4e00\u4e2a\u65b0\u7684 Java \u8fd0\u884c\u65f6\u7248\u672c\u90fd\u4f1a\u5e26\u6765\u6027\u80fd\u6539\u8fdb\uff0c\u56e0\u6b64\u4e86\u89e3\u751f\u4ea7\u7cfb\u7edf\u4e2d\u4f7f\u7528\u7684\u662f\u54ea\u4e2a\u7248\u672c\u975e\u5e38\u91cd\u8981\u3002\u6211\u4f7f\u7528 OpenJDK \u7684 Azul Zulu \u6784\u5efa\u7248\u672c 21.0.3 \u6267\u884c\u4e86\u6d4b\u8bd5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$ java -version\n#openjdk version \"21.0.3\" 2024-04-16 LTS\n#OpenJDK Runtime Environment Zulu21.34+19-CA (build 21.0.3+9-LTS)\n#OpenJDK 64-Bit Server VM Zulu21.34+19-CA (build 21.0.3+9-LTS, mixed mode, sharing)<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"HowtoDefinetheRequiredAmountofMemoryforYourJavaApplication-JMeterReport\">\u8bfb\u53d6 JMeter \u62a5\u544a<\/h3>\n\n\n\n<p>\u5728 JMeter HTML \u62a5\u544a\u76ee\u5f55\u4e2d\uff08\u5728\u6211\u7684\u793a\u4f8b\u4e2d\u4e3a jmeter-report\/\uff0c\u7531 -o \u53c2\u6570\u6307\u5b9a\uff09\uff0c\u60a8\u53ef\u4ee5\u627e\u5230\u4e00\u4e2a\u5305\u542b JMeter \u6d4b\u8bd5\u7ed3\u679c\u7684\u7f51\u7ad9\u3002\u5728\u6b64\u5904\u65e0\u6cd5\u627e\u5230\u4efb\u4f55\u4e0e\u5185\u5b58\u76f8\u5173\u7684\u4fe1\u606f\uff0c\u4ec5\u5305\u542b JMeter \u6d4b\u8bd5\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u6d4b\u8bd5\u7ed3\u679c\u3002\u4f8b\u5982\uff1a\u54cd\u5e94\u65f6\u95f4\u767e\u5206\u4f4d\u6570\u3001\u6bcf\u79d2\u547d\u4e2d\u6b21\u6570\u7684\u541e\u5410\u91cf\u7b49\u3002<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.azul.com\/wp-content\/uploads\/JMeter-Report-Transactions-Per-Second-Chinese.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"502\" data-id=\"89718\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/JMeter-Report-Transactions-Per-Second-Chinese-1024x502.png?auto=format&crop=faces,entropy&fit=max&q=80&s=9b7d40945d0daa0eacd90a1f5682cbab\" alt=\"\" class=\"wp-image-89718\"\/><\/a><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\">\u70b9\u51fb\u56fe\u7247\u6253\u5f00\u5927\u56fe<\/mark><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.azul.com\/wp-content\/uploads\/JMeter-Report-Response-Time-Percentiles-Chinese.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"500\" data-id=\"89724\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/JMeter-Report-Response-Time-Percentiles-Chinese-1024x500.png?auto=format&crop=faces,entropy&fit=max&q=80&s=7ce8556bdb2306c63aea77a9070a833b\" alt=\"\" class=\"wp-image-89724\"\/><\/a><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\">\u70b9\u51fb\u56fe\u7247\u6253\u5f00\u5927\u56fe<\/mark><\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"HowtoDefinetheRequiredAmountofMemoryforYourJavaApplication-GCLog\">\u68c0\u67e5 GC \u65e5\u5fd7\u7ed3\u679c<\/h3>\n\n\n\n<p>gc.log \u6587\u4ef6\u662f\u6df1\u5165\u4e86\u89e3\u6211\u4eec\u5e94\u7528\u7a0b\u5e8f\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u5173\u952e\u6240\u5728\u3002\u501f\u52a9 <a href=\"https:\/\/docs.azul.com\/prime\/GC-Log-Analyzer\">Azul GC \u65e5\u5fd7\u5206\u6790\u5668<\/a>\uff0c\u6211\u4eec\u53ef\u4ee5\u8bfb\u53d6\u6b64\u6587\u4ef6\uff0c\u5e76\u4ee5\u53ef\u89c6\u5316\u65b9\u5f0f\u67e5\u770b\u4e00\u7ec4\u968f\u65f6\u95f4\uff08\u6302\u949f\u65f6\u95f4\u548c\u8fd0\u884c\u65f6\u95f4\uff09\u53d8\u5316\u7684\u56fe\u8868\uff0c\u4ee5\u68c0\u67e5\u5783\u573e\u56de\u6536\u5668\u3001<a href=\"https:\/\/www.azul.com\/products\/components\/falcon-jit-compiler\/\">JIT \u7f16\u8bd1\u5668<\/a>\u3001\u7cfb\u7edf\u6307\u6807\u7b49\u3002\u4ee5\u4e0b\u56fe\u8868\u663e\u793a\uff0c\u5728\u521d\u59cb\u8d1f\u8f7d\u4e4b\u540e\uff0c\u5783\u573e\u56de\u6536\u5668\u7684\u6682\u505c\u6301\u7eed\u65f6\u95f4\u4fdd\u6301\u5728 10 \u6beb\u79d2\u4ee5\u4e0b\uff0c\u5783\u573e\u56de\u6536\u540e\u7684\u5806\u5185\u5b58\u5927\u5c0f\u7ef4\u6301\u5728\u7ea6 64MB\u3002\u5efa\u8bae\u4f7f\u7528\u8be5\u503c\u7684\u4e24\u500d\u6765\u4e3a\u7cfb\u7edf\u914d\u7f6e\u5185\u5b58\u89c4\u683c\u3002\u56e0\u6b64\uff0c\u5bf9\u4e8e\u672c\u4f8b\uff0c\u5728\u5185\u5b58\u4e3a 128MB \u7684\u60c5\u51b5\u4e0b\uff0c\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u5904\u7406\u6d4b\u8bd5\u671f\u95f4\u751f\u6210\u7684\u76f8\u540c\u8d1f\u8f7d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.azul.com\/wp-content\/uploads\/gcla-pause-durations.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"599\" data-id=\"72111\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/gcla-pause-durations-1024x599.png?auto=format&crop=faces,entropy&fit=max&q=80&s=03f079157de538157db9b721dcf30f1e\" alt=\"\" class=\"wp-image-72111\"\/><\/a><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\">\u70b9\u51fb\u56fe\u7247\u6253\u5f00\u5927\u56fe<\/mark><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.azul.com\/wp-content\/uploads\/Young-GC-Heap-Use-After-GC.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"600\" data-id=\"89730\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/Young-GC-Heap-Use-After-GC-1024x600.png?auto=format&crop=faces,entropy&fit=max&q=80&s=cbd09f3e07a3ed442ef422b2ce238545\" alt=\"\" class=\"wp-image-89730\"\/><\/a><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\">\u70b9\u51fb\u56fe\u7247\u6253\u5f00\u5927\u56fe<\/mark><\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u5bf9\u81ea\u5df1\u7684\u5e94\u7528\u7a0b\u5e8f\u91c7\u7528\u76f8\u540c\u7684\u539f\u5219\uff0c\u5e76\u5728\u66f4\u6539 <a href=\"https:\/\/docs.azul.com\/prime\/Heap-Size\">Java \u8fd0\u884c\u65f6\u7684 \u2013Xmx \u8bbe\u7f6e<\/a>\u6216\u865a\u62df\u73af\u5883\u7684\u5185\u5b58\u914d\u7f6e\u540e\uff0c\u91cd\u65b0\u68c0\u67e5\u6682\u505c\u6301\u7eed\u65f6\u95f4\u548c\u5806\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"HowtoDefinetheRequiredAmountofMemoryforYourJavaApplication-Conclusion\">Azul Zing \u4e0e OpenJDK \u7684 Zulu \u6784\u5efa\u7248\u672c\u4e4b\u95f4 GC \u65e5\u5fd7\u7684\u5dee\u5f02<\/h2>\n\n\n\n<p>\u901a\u8fc7\u53e6\u4e00\u4e2a\u5185\u90e8\u4e13\u7528\u7684\u57fa\u51c6\u6d4b\u8bd5\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e9b\u989d\u5916\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u7528\u4e8e\u5c55\u793a OpenJDK \u7684 Azul Zulu \u6784\u5efa\u7248\u672c\u548c Zing \u6784\u5efa\u7248\u672c\uff08\u7b2c 17 \u7248\uff09\u6240\u63d0\u4f9b\u7684\u4e0d\u540c\u7ed3\u679c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-zulu-\u7684\u7ed3\u679c\">Zulu \u7684\u7ed3\u679c<\/h3>\n\n\n\n<p>\u5f53\u6211\u4eec\u4f7f\u7528 <a href=\"https:\/\/docs.azul.com\/core\/\">Zulu\uff08\u4e00\u4e2a OpenJDK \u7684\u6784\u5efa\u7248\u672c\uff09<\/a>\u751f\u6210 GC \u65e5\u5fd7\u65f6\uff0c\u65e5\u5fd7\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u4e0e\u5927\u591a\u6570\u5176\u4ed6\u53d1\u884c\u7248\u76f8\u540c\u3002\u4ee5\u4e0b\u56fe\u8868\u663e\u793a\uff0c\u5783\u573e\u56de\u6536\u5668\u7684\u6682\u505c\u6301\u7eed\u65f6\u95f4\u4fdd\u6301\u5728 80 \u6beb\u79d2\u4ee5\u4e0b\uff0c\u4e14\u5783\u573e\u56de\u6536\u540e\uff0c\u8001\u5e74\u4ee3\u4e2d\u957f\u751f\u547d\u5468\u671f\u5bf9\u8c61\u7684\u5806\u5185\u5b58\u4f7f\u7528\u91cf\u7ea6\u4e3a 1 GB\uff0c\u65b0\u751f\u4ee3\u4e2d\u4e34\u65f6\u5bf9\u8c61\u7684\u5806\u5185\u5b58\u4f7f\u7528\u91cf\u7ea6\u4e3a 2 GB\u3002\u5728\u6b64\u7279\u5b9a\u6d4b\u8bd5\u6848\u4f8b\u4e2d\uff0c-Xmx4G \u7684\u603b\u91cf\u5df2\u7ecf\u8db3\u591f\uff0c\u4e14\u5b9e\u9645\u4f7f\u7528\u60c5\u51b5\u4e0e\u4e4b\u76f8\u7b26\uff0c\u4f46\u901a\u5e38\u7684\u6807\u51c6\u5efa\u8bae\u662f\u5c06 -Xmx \u8bbe\u7f6e\u4e3a\u6240\u89c2\u5bdf\u5230\u5806\u5185\u5b58\u4f7f\u7528\u91cf\u7684\u4e24\u500d\uff0c\u5373 -Xmx6G\u3002<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.azul.com\/wp-content\/uploads\/zulu17_g1_pauses.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"669\" data-id=\"72240\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/zulu17_g1_pauses-1024x669.png?auto=format&crop=faces,entropy&fit=max&q=80&s=19156204ff6af662bbe7a1fb52c6efd8\" alt=\"OpenJDK: GC Pauses\" class=\"wp-image-72240\"\/><\/a><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\">\u70b9\u51fb\u56fe\u7247\u6253\u5f00\u5927\u56fe<\/mark><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.azul.com\/wp-content\/uploads\/zulu17_g1_newgen.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"668\" data-id=\"72228\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/zulu17_g1_newgen-1024x668.png?auto=format&crop=faces,entropy&fit=max&q=80&s=91e0e069b6233f6b7e175ff341cb78e6\" alt=\"OpenJDK: Java Heap utilization in New Gen memory pool (temporary objects)\" class=\"wp-image-72228\"\/><\/a><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\">\u70b9\u51fb\u56fe\u7247\u6253\u5f00\u5927\u56fe<\/mark><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.azul.com\/wp-content\/uploads\/zulu17_g1_oldgen.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"653\" data-id=\"72234\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/zulu17_g1_oldgen-1024x653.png?auto=format&crop=faces,entropy&fit=max&q=80&s=2466b89d8ff28ba35c9c8abe33a0a332\" alt=\"OpenJDK: Java heap utilization in Old Gen memory pool (long-living objects)\" class=\"wp-image-72234\"\/><\/a><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\">\u70b9\u51fb\u56fe\u7247\u6253\u5f00\u5927\u56fe<\/mark><\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-zing-\u7684\u7ed3\u679c\">Zing \u7684\u7ed3\u679c<\/h3>\n\n\n\n<p>\u6211\u4eec\u4f7f\u7528 Zing \u91cd\u590d\u4e86\u76f8\u540c\u7684\u6d4b\u8bd5\uff0c<a href=\"https:\/\/docs.azul.com\/prime\/\">Zing \u662f\u57fa\u4e8e OpenJDK \u7684\u66ff\u4ee3 Java \u8fd0\u884c\u65f6<\/a>\uff0c\u5177\u5907<a href=\"https:\/\/docs.azul.com\/prime\/Falcon-Compiler\">\u66f4\u4f18\u7684 JIT \u7f16\u8bd1\u5668 (Falcon)<\/a> \u4ee5\u53ca<a href=\"https:\/\/docs.azul.com\/prime\/what-to-expect#\u5783\u573e\u56de\u6536\">\u989d\u5916\u7684\u5783\u573e\u56de\u6536\u5668\uff08C4\uff0c\u6301\u7eed\u5e76\u53d1\u538b\u7f29\u56de\u6536\u5668\uff09<\/a>\u3002\u7531\u4e8e <a href=\"https:\/\/www.azul.com\/c4-white-paper\/\">C4<\/a> \u5783\u573e\u56de\u6536\u5668\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u4fe1\u606f\uff0c\u56fe\u8868\u770b\u8d77\u6765\u7565\u6709\u4e0d\u540c\u3002\u5bf9\u4e8e\u5e76\u53d1 GC\uff0c\u5f53 GC \u4e0e\u5e94\u7528\u7a0b\u5e8f\u5e76\u884c\u6d3b\u52a8\u65f6\uff0c\u5176\u5e76\u53d1\u6301\u7eed\u65f6\u95f4\u901a\u5e38\u66f4\u4e3a\u91cd\u8981\u3002\u5b83\u4e0d\u4f1a\u6682\u505c\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f46\u4f1a\u6d88\u8017\u4e00\u5b9a\u7684 CPU \u65f6\u95f4\u3002100% \u5e76\u4e0d\u610f\u5473\u7740\u5b83\u6d88\u8017\u4e86\u5168\u90e8 CPU \u65f6\u95f4\uff0c\u56e0\u4e3a\u57fa\u51c6 100% \u662f GC \u7ebf\u7a0b\u7684\u603b\u6570\uff0c\u800c\u8be5\u6570\u91cf\u5c11\u4e8e CPU \u6838\u5fc3\u6570\uff0c\u4f46\u957f\u65f6\u95f4\u4fdd\u6301\u5728 100% \u5e94\u901a\u8fc7\u589e\u52a0\u5806\u5185\u5b58\u5927\u5c0f\u6765\u907f\u514d\u3002\u5176\u4e2d\u5927\u90e8\u5206\u65f6\u95f4\u901a\u5e38\u7531 GC \u7528\u6765\u5904\u7406\u4e34\u65f6\u5bf9\u8c61\u3002\u5728\u6b64\u7279\u5b9a\u6d4b\u8bd5\u6848\u4f8b\u4e2d\uff0c\u5373\u4f7f\u4f7f\u7528\u76f8\u540c\u7684 -Xmx4G\uff0cZing \u7684\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u4ecd\u4f18\u4e8e Zulu\u3002\u5728\u8fdb\u884c\u603b\u4f53\u5185\u5b58\u89c4\u683c\u914d\u7f6e\u65f6\uff0cZing \u7684\u201c\u5b58\u6d3b\u96c6\u201d\u56fe\u8868\u540c\u6837\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u663e\u793a\u4e86\u5b58\u6d3b\u5bf9\u8c61\u7684\u6570\u91cf\uff0c\u5373\u4e0d\u5305\u542b\u672a\u5f15\u7528\u5bf9\u8c61\uff08\u4e5f\u79f0\u4e3a\u5783\u573e\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.azul.com\/wp-content\/uploads\/zing_pauses.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"671\" data-id=\"72260\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/zing_pauses-1024x671.png?auto=format&crop=faces,entropy&fit=max&q=80&s=292a0c8b9a8220ed43de24a1c78fb876\" alt=\"Zing: GC Pauses\" class=\"wp-image-72260\"\/><\/a><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\">\u70b9\u51fb\u56fe\u7247\u6253\u5f00\u5927\u56fe<\/mark><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.azul.com\/wp-content\/uploads\/zing_gcpercent-1.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"669\" data-id=\"72258\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/zing_gcpercent-1-1024x669.png?auto=format&crop=faces,entropy&fit=max&q=80&s=6a6d6ce4b850946163de9776b830cc44\" alt=\"Zing: GC Concurrent Time %\" class=\"wp-image-72258\"\/><\/a><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\">\u70b9\u51fb\u56fe\u7247\u6253\u5f00\u5927\u56fe<\/mark><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.azul.com\/wp-content\/uploads\/zing_liveset.png\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"671\" data-id=\"72246\" src=\"https:\/\/azul.imgix.net\/wp-content\/uploads\/zing_liveset-1024x671.png?auto=format&crop=faces,entropy&fit=max&q=80&s=c9f59a34419a41d68546413620fd3866\" alt=\"Zing: Heap utilization Live Set\" class=\"wp-image-72246\"\/><\/a><figcaption class=\"wp-element-caption\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-black-color\">\u70b9\u51fb\u56fe\u7247\u6253\u5f00\u5927\u56fe<\/mark><\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"HowtoDefinetheRequiredAmountofMemoryforYourJavaApplication-Conclusion\">\u7ed3\u8bed<\/h2>\n\n\n\n<p>\u5783\u573e\u56de\u6536\u5668\u65e5\u5fd7\u8bb0\u5f55\u63d0\u4f9b\u4e86\u7528\u4e8e\u68c0\u67e5\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u5185\u5b58\u5927\u5c0f\u7684\u6b63\u786e\u6307\u6807\u3002\u80fd\u591f\u5728\u4e0e\u751f\u4ea7\u7cfb\u7edf\u76f8\u540c\u7684\u73af\u5883\u4e2d\u4ee5\u76f8\u4f3c\u7684\u8d1f\u8f7d\u6d4b\u8bd5\u5e94\u7528\u7a0b\u5e8f\u81f3\u5173\u91cd\u8981\u3002\u4e5f\u8bb8\u201c\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u6d4b\u8bd5\u201d\u662f\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u3002<\/p>\n\n\n\n\n\n<section    class=\"c-cta-band c-cta-band--color-light c-cta-band--mt-default c-cta-band--mb-default c-cta-band--pt-default c-cta-band--pb-default c-cta-band--color-1 o-component o-component--color-light o-component--mt-default o-component--mb-default o-component--pt-default o-component--pb-default\"\n\n            id=\"block_665c572a4712d79f2140d7ff5092a230\"\n    \n    >\n    \n    <div class=\"o-component__wrap\">\n                    <div class=\"o-container\">\n        \n<div class=\"c-cta-band__wrap c-cta-band__wrap--shadow c-cta-band__wrap--bg-white\" id=\"c-cta-band__wrap--block_665c572a4712d79f2140d7ff5092a230\">\n            \n    <span class=\"o-picture o-picture--background o-picture--cover o-picture--no-radius\">\n\n<picture>\n    \n    <img decoding=\"async\" alt=\"prime-cta-banner\" class=\"o-picture__image\" height=\"236\" loading=\"lazy\" src=\"https:\/\/www.azul.com\/wp-content\/uploads\/prime-cta-banner.svg?no_imgix=true\" width=\"1120\">\n<\/picture>\n\n\n    <\/span>\n    \n    <div class=\"c-cta-band__content\">\n        <div class=\"c-cta-band__text\" id=\"c-cta-band__text--block_665c572a4712d79f2140d7ff5092a230\">\n                            \n<h2  class=\"c-cta-band__headline o-headline o-headline--h2 s-medium\"\n    >\n  \u5e0c\u671b\u5c06 GC 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