{"id":202810,"date":"2025-05-22T08:10:17","date_gmt":"2025-05-22T00:10:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202810\/"},"modified":"2025-05-22T08:10:17","modified_gmt":"2025-05-22T00:10:17","slug":"%e5%a6%82%e4%bd%95%e5%88%86%e6%9e%90java%e5%87%bd%e6%95%b0%e7%9a%84%e5%86%85%e5%ad%98%e6%b6%88%e8%80%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202810\/","title":{"rendered":"\u5982\u4f55\u5206\u6790Java\u51fd\u6570\u7684\u5185\u5b58\u6d88\u8017\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u5206\u6790Java\u51fd\u6570\u7684\u5185\u5b58\u6d88\u8017\uff1f<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300a\u5982\u4f55\u5206\u6790Java\u51fd\u6570\u7684\u5185\u5b58\u6d88\u8017\uff1f\u300b\uff0c\u8986\u76d6\u4e86\u6587\u7ae0\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n

\u5982\u4f55\u5206\u6790 Java \u51fd\u6570\u7684\u5185\u5b58\u6d88\u8017\uff1f\u542f\u52a8 JProfiler\uff0c\u9644\u52a0\u8981\u5206\u6790\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u8bb0\u5f55\u5e94\u7528\u7a0b\u5e8f\u6d3b\u52a8\u5e76\u5bfc\u822a\u5230 “Call Tree” \u9762\u677f\u3002\u5b9a\u4f4d\u8981\u5206\u6790\u7684\u51fd\u6570\uff0c\u9009\u62e9 “Memory Footprint during selected period” \u9009\u9879\u3002\u5206\u6790\u7ed3\u679c\u5c06\u663e\u793a\u51fd\u6570\u5728\u6240\u9009\u671f\u95f4\u7684\u5185\u5b58\u5206\u914d\uff08\u5206\u914d\u5927\u5c0f\u3001\u91ca\u653e\u5927\u5c0f\uff09\u3001\u6700\u5927\u5360\u7528\u91cf\u548c\u5f53\u524d\u5360\u7528\u91cf\u3002\u901a\u8fc7\u68c0\u67e5\u8fd9\u4e9b\u6570\u636e\uff0c\u53ef\u4ee5\u8bc6\u522b\u5185\u5b58\u6cc4\u6f0f\u3001\u5206\u914d\u6216\u91ca\u653e\u95ee\u9898\uff0c\u5e76\u4e86\u89e3\u51fd\u6570\u5bf9\u5185\u5b58\u7684\u5f71\u54cd\u3002<\/p>\n

<\/p>\n

\u5982\u4f55\u5206\u6790 Java \u51fd\u6570\u7684\u5185\u5b58\u6d88\u8017\uff1f<\/h2>\n

\u524d\u8a00<\/strong><\/p>\n

Java \u865a\u62df\u673a (JVM) \u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u7684\u5185\u5b58\u5206\u914d\u3002\u5206\u6790\u51fd\u6570\u7684\u5185\u5b58\u6d88\u8017\u5bf9\u4e8e\u4f18\u5316\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u4ecb\u7ecd\u4f7f\u7528 JProfiler \u5de5\u5177\u5206\u6790 Java \u51fd\u6570\u7684\u5185\u5b58\u6d88\u8017\u7684\u65b9\u6cd5\u3002<\/p>\n

\u524d\u63d0\u6761\u4ef6<\/strong><\/p>\n

    \n
  • \u5b89\u88c5 JProfiler\uff08https:\/\/www.ej-technologies.com\/products\/jprofiler\/overview.html\uff09<\/li>\n
  • \u62e5\u6709\u8981\u5206\u6790\u7684 Java \u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801<\/li>\n<\/ul>\n

    \u6b65\u9aa4<\/strong><\/p>\n

      \n
    1. \u542f\u52a8 JProfiler \u5e76\u5206\u6790\u5e94\u7528\u7a0b\u5e8f<\/strong><\/li>\n<\/ol>\n
        \n
      • \u542f\u52a8 JProfiler \u5e76\u5c06\u8981\u5206\u6790\u7684\u5e94\u7528\u7a0b\u5e8f\u9644\u52a0\u5230 JVM\u3002<\/li>\n
      • \u5f00\u59cb\u8bb0\u5f55\u5e94\u7528\u7a0b\u5e8f\u7684\u6d3b\u52a8\u3002<\/li>\n<\/ul>\n
          \n
        1. \u671f\u95f4\u7279\u5b9a\u51fd\u6570<\/strong><\/li>\n<\/ol>\n
            \n
          • \u5bfc\u822a\u5230 “Call Tree” \u9762\u677f\uff08Ctrl+Shift+C\uff09\u3002<\/li>\n
          • \u5b9a\u4f4d\u8981\u5206\u6790\u7684\u51fd\u6570\u5e76\u5728\u8282\u70b9\u4e0a\u53f3\u952e\u5355\u51fb\u3002<\/li>\n
          • \u9009\u62e9 “Memory Footprint during selected period” \u9009\u9879\u3002<\/li>\n<\/ul>\n
              \n
            1. \u5206\u6790\u7ed3\u679c<\/strong><\/li>\n<\/ol>\n
                \n
              • JProfiler \u5c06\u663e\u793a\u51fd\u6570\u5728\u6240\u9009\u671f\u95f4\u7684\u5185\u5b58\u6d88\u8017\u3002<\/li>\n
              • \n

                \u7ec6\u5206\u5982\u4e0b\uff1a<\/p>\n

                  \n
                • \u5206\u914d\u5927\u5c0f\uff1a<\/strong> \u51fd\u6570\u5206\u914d\u7684\u5bf9\u8c61\u603b\u5927\u5c0f\u3002<\/li>\n
                • \u91ca\u653e\u5927\u5c0f\uff1a<\/strong> \u51fd\u6570\u91ca\u653e\u7684\u5bf9\u8c61\u603b\u5927\u5c0f\u3002<\/li>\n
                • \u6700\u5927\u5360\u6709\u91cf\uff1a<\/strong> \u51fd\u6570\u5728\u4efb\u4f55\u7ed9\u5b9a\u65f6\u95f4\u5360\u7528\u7684\u6700\u5927\u5185\u5b58\u91cf\u3002<\/li>\n
                • \u73b0\u5728\u5360\u7528\u91cf\uff1a<\/strong> \u51fd\u6570\u5f53\u524d\u5360\u7528\u7684\u5185\u5b58\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
                    \n
                  1. \u8bc6\u522b\u5185\u5b58\u6cc4\u6f0f\u548c\u5176\u4ed6\u95ee\u9898<\/strong><\/li>\n<\/ol>\n
                      \n
                    • \u68c0\u67e5 \u5206\u914d\u5927\u5c0f<\/strong> \u548c \u91ca\u653e\u5927\u5c0f<\/strong> \u4e4b\u95f4\u7684\u5dee\u5f02\u3002\u5982\u679c\u5206\u914d\u5927\u4e8e\u91ca\u653e\uff0c\u5219\u53ef\u80fd\u5b58\u5728\u5185\u5b58\u6cc4\u6f0f\u3002<\/li>\n
                    • \u8bc6\u522b\u4efb\u4f55\u5206\u914d\u6216\u91ca\u653e\u5c16\u5cf0\uff0c\u8fd9\u53ef\u80fd\u8868\u793a\u5b58\u5728\u5185\u5b58\u5206\u914d\u6216\u91ca\u653e\u95ee\u9898\u3002<\/li>\n
                    • \u67e5\u770b \u6700\u5927\u5360\u7528\u91cf<\/strong> \u4ee5\u4e86\u89e3\u51fd\u6570\u5bf9\u5185\u5b58\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n

                      \u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n

                      \u8003\u8651\u4ee5\u4e0b\u51fd\u6570\uff1a<\/p>\n

                      public void processData(List<String> data) {\n  \/\/ \u4ee3\u7801\n}<\/pre>\n
                      \u4f7f\u7528 JProfiler \u5206\u6790\u6b64\u51fd\u6570\u7684\u5185\u5b58\u6d88\u8017\uff0c\u6211\u4eec\u53ef\u80fd\u53d1\u73b0\u4ee5\u4e0b\u7ed3\u679c\uff1a<\/p>\n
                        \n
                      • \u5206\u914d\u5927\u5c0f\uff1a<\/strong> 100MB<\/li>\n
                      • \u91ca\u653e\u5927\u5c0f\uff1a<\/strong> 90MB<\/li>\n
                      • \u6700\u5927\u5360\u7528\u91cf\uff1a<\/strong> 120MB<\/li>\n
                      • \u73b0\u5728\u5360\u7528\u91cf\uff1a<\/strong> 10MB<\/li>\n<\/ul>\n
                        \u8fd9\u8868\u660e\u51fd\u6570\u5e73\u5747\u5206\u914d 100MB \u5185\u5b58\uff0c\u91ca\u653e 90MB \u5185\u5b58\uff0c\u5e76\u53ef\u80fd\u5728\u67d0\u4e2a\u65f6\u95f4\u70b9\u8fbe\u5230 120MB \u7684\u6700\u5927\u5360\u7528\u91cf\u3002\u73b0\u5728\u5360\u7528\u91cf\u4e3a 10MB\uff0c\u8868\u793a\u51fd\u6570\u5df2\u91ca\u653e\u5927\u90e8\u5206\u5206\u914d\u7684\u5185\u5b58\u3002<\/p>\n
                        \u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n
                          \n
                        • \u4f7f\u7528\u5806\u8f6c\u50a8\u5206\u6790\u5668\uff08\u5982 Eclipse MAT\uff09\u8fdb\u884c\u66f4\u6df1\u5165\u7684\u5206\u6790\u3002<\/li>\n
                        • \u786e\u4fdd\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u73af\u5883\u6761\u4ef6\u4e0b\uff08\u4f8b\u5982\u751f\u4ea7\u8d1f\u8f7d\uff09\u6267\u884c\u5206\u6790\u3002<\/li>\n
                        • \u8003\u8651\u4ece\u5176\u4ed6\u6765\u6e90\uff08\u5982\u5916\u90e8\u5e93\uff09\u7684\u5185\u5b58\u5206\u914d\uff0c\u8fd9\u4e9b\u5206\u914d\u53ef\u80fd\u5f52\u56e0\u4e8e\u51fd\u6570\u3002<\/li>\n<\/ul>\n
                          \u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u5982\u4f55\u5206\u6790Java\u51fd\u6570\u7684\u5185\u5b58\u6d88\u8017\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8ejava,\u5185\u5b58\u6d88\u8017\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
                          \u5982\u4f55\u5206\u6790Java\u51fd\u6570\u7684\u5185\u5b58\u6d88\u8017\uff1f...<\/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-202810","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202810","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=202810"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202810\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}