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{"id":34994,"date":"2026-10-02T12:05:18","date_gmt":"2026-10-02T04:05:18","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-sc\/how-to-locate-which-module-causes-server-program-memory-leak\/"},"modified":"2026-10-02T12:12:18","modified_gmt":"2026-10-02T04:12:18","slug":"how-to-locate-which-module-causes-server-program-memory-leak","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/sc\/japan-dedicated-server-sc\/how-to-locate-which-module-causes-server-program-memory-leak\/","title":{"rendered":"\u5982\u4f55\u5b9a\u4f4d\u5bfc\u81f4\u670d\u52a1\u5668\u7a0b\u5e8f\u5185\u5b58\u6cc4\u6f0f\u7684\u6a21\u5757"},"content":{"rendered":"<p>\u4f60\u53ef\u4ee5\u5f88\u5feb\u627e\u5230\u53d1\u751f\u6cc4\u6f0f\u7684\u8fdb\u7a0b\u3002\u6253\u5f00 top\u3001htop \u6216\u4efb\u52a1\u7ba1\u7406\u5668\uff0c\u8bb0\u4e0b\u4f60\u7684\u670d\u52a1\u5668\u7a0b\u5e8f\u7684\u8fdb\u7a0b ID\uff08PID\uff09\u3002\u6301\u7eed\u89c2\u5bdf\u8be5 PID \u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002\u771f\u6b63\u7684\u5185\u5b58\u6cc4\u6f0f\u4f1a\u8868\u73b0\u4e3a\u5185\u5b58\u5360\u7528\u6301\u7eed\u4e0a\u5347\uff0c\u800c\u4e14\u518d\u4e5f\u4e0d\u4f1a\u56de\u843d\u5230\u57fa\u7ebf\u3002\u4e00\u65e6\u786e\u8ba4\u5b58\u5728\u6cc4\u6f0f\uff0c\u5c31\u8be5\u8ba9\u5206\u6790\u5de5\u5177\u63a5\u624b\u4e86\u3002\u5b83\u4eec\u80fd\u591f\u5c06\u5206\u914d\u884c\u4e3a\u8ffd\u8e2a\u5230\u5177\u4f53\u7684\u6a21\u5757\u3001\u51fd\u6570\uff0c\u751a\u81f3\u7cbe\u786e\u5230\u5206\u914d\u4f4d\u7f6e\u3002\u8fd9\u4e00\u70b9\u5728<a href=\"https:\/\/www.simcentric.com\/sc\/products\/dedicated-server-jp\/\" target=\"_blank\" rel=\"noopener\">\u8fdc\u7a0b\u670d\u52a1\u5668<\/a>\u4e0a\u5c24\u5176\u91cd\u8981\uff0c\u56e0\u4e3a\u4f60\u65e0\u6cd5\u603b\u662f\u624b\u52a8\u9644\u52a0\u8c03\u8bd5\u5668\u3002\u4f60\u4e0d\u9700\u8981\u9760\u731c\u6d4b\u5224\u65ad\u7a76\u7adf\u662f\u54ea\u4e00\u4e2a\u5e93\u6709\u95ee\u9898\u3002\u65e0\u8bba\u4f60\u662f\u5728\u81ea\u5df1\u7684\u8bbe\u5907\u4e0a\u6392\u67e5<a href=\"https:\/\/www.simcentric.com\/sc\/hong-kong-dedicated-server-sc\/optimizing-cpu-and-memory-allocation-for-web-servers\/\" target=\"_blank\" rel=\"noopener\">\u5185\u5b58\u6cc4\u6f0f<\/a>\uff0c\u8fd8\u662f\u5728\u6570\u636e\u4e2d\u5fc3\u4e2d\u5b9a\u4f4d\u95ee\u9898\uff0c\u4e0b\u9762\u8fd9\u5957\u6b65\u9aa4\u90fd\u540c\u6837\u9002\u7528\u3002<\/p>\n<h2><strong>\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b\u5de5\u5177\u6982\u89c8<\/strong><\/h2>\n<p>\u4f60\u9009\u62e9\u4ec0\u4e48\u5de5\u5177\uff0c\u4f1a\u76f4\u63a5\u5f71\u54cd\u6392\u67e5\u8def\u5f84\u3002\u4e0d\u540c\u7cfb\u7edf\u9700\u8981\u4e0d\u540c\u7684\u5206\u6790\u5668\u3002Linux \u6709\u9002\u5408 Linux \u7684\u65b9\u6cd5\uff0cWindows \u5219\u9700\u8981\u53e6\u4e00\u5957\u624b\u6bb5\u3002<\/p>\n<h3>\u7528\u4e8e\u670d\u52a1\u5668\u5185\u5b58\u6cc4\u6f0f\u7684\u901a\u7528\u5206\u6790\u5668<\/h3>\n<p>\u5728 Linux \u4e0a\uff0cValgrind \u548c Heaptrack \u662f\u6700\u5e38\u7528\u7684\u4e24\u5927\u5229\u5668\u3002Valgrind \u4f1a\u76d1\u89c6\u6bcf\u4e00\u6b21\u5185\u5b58\u8bbf\u95ee\uff0c\u5e76\u62a5\u544a\u67d0\u4e2a\u5185\u5b58\u5757\u662f\u5728\u54ea\u91cc\u5206\u914d\u7684\u3002Heaptrack \u5219\u4f1a\u8bb0\u5f55\u5806\u5206\u914d\u968f\u65f6\u95f4\u7684\u53d8\u5316\u3002\u4e24\u8005\u90fd\u53ef\u4ee5\u627e\u5230\u5e93\u5185\u90e8\u7684\u5185\u5b58\u6cc4\u6f0f\uff0c\u751a\u81f3\u80fd\u7cbe\u786e\u6307\u51fa\u662f\u5e93\u4e2d\u7684\u54ea\u4e00\u6bb5\u4ee3\u7801\u4e00\u76f4\u6301\u6709\u5206\u914d\u7684\u5185\u5b58\u3002\u4e0d\u8fc7\u8981\u6ce8\u610f\uff0c\u5b83\u4eec\u8fd0\u884c\u65f6\u901a\u5e38\u4f1a\u5e26\u6765\u8f83\u5927\u7684\u6027\u80fd\u5f00\u9500\u3002\u4f60\u5e94\u8be5\u5728\u5c3d\u53ef\u80fd\u771f\u5b9e\u7684\u8d1f\u8f7d\u4e0b\u8fdb\u884c\u6d4b\u8bd5\uff0c\u4f46\u6bcf\u6b21\u5206\u6790\u4f1a\u8bdd\u5c3d\u91cf\u4fdd\u6301\u7b80\u77ed\u3002<\/p>\n<p>\u53e6\u4e00\u6761\u8def\u5f84\u662f\u4f7f\u7528\u57fa\u4e8e\u7f16\u8bd1\u5668\u7684 sanitizer\u3002Address sanitizer \u53ef\u4ee5\u68c0\u67e5\u4f60\u7684 C \u548c C++ \u4ee3\u7801\u4e2d\u7684\u975e\u6cd5\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff1b\u914d\u5408\u8d44\u6e90\u6cc4\u6f0f\u68c0\u6d4b\u5de5\u5177\uff0c\u8fd8\u80fd\u53d1\u73b0\u54ea\u4e9b\u5185\u5b58\u5757\u6ca1\u6709\u88ab\u91ca\u653e\u3002\u8fd9\u7c7b\u5206\u6790\u5668\u4f1a\u4e3a\u6bcf\u4e00\u6b21\u5206\u914d\u5217\u51fa\u5bf9\u5e94\u7684\u6e90\u4ee3\u7801\u884c\u53f7\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u539f\u672c\u6a21\u7cca\u7684\u201c\u7591\u4f3c\u6cc4\u6f0f\u201d\u5c31\u80fd\u53d8\u6210\u4e00\u4e2a\u660e\u786e\u53ef\u4fee\u590d\u7684\u95ee\u9898\u3002\u8fd0\u884c\u5206\u6790\u5668\u65f6\uff0c\u5e94\u8ba9\u7a0b\u5e8f\u5904\u7406\u6b63\u5e38\u4e1a\u52a1\u6d41\u91cf\u3002\u53ea\u6709\u5728\u771f\u5b9e\u6761\u4ef6\u4e0b\uff0c\u6cc4\u6f0f\u624d\u4f1a\u5982\u5b9e\u66b4\u9732\u51fa\u6765\u3002<\/p>\n<h3>\u8bed\u8a00\u7279\u5b9a\u548c\u5e73\u53f0\u7279\u5b9a\u7684\u5206\u6790\u5668<\/h3>\n<p>\u8bed\u8a00\u4e13\u7528\u5206\u6790\u5668\u53ef\u4ee5\u628a\u6392\u67e5\u8303\u56f4\u7f29\u5f97\u66f4\u5c0f\u3002Java \u81ea\u5e26 VisualVM\uff0c\u53ef\u4ee5\u6309\u7c7b\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002Python \u63d0\u4f9b tracemalloc\uff0c\u8fd9\u4e2a\u6a21\u5757\u80fd\u591f\u8ddf\u8e2a\u6bcf\u4e00\u884c\u6e90\u4ee3\u7801\u7684\u5185\u5b58\u5206\u914d\u3002Go \u5219\u6709 pprof\uff0c\u53ef\u7528\u4e8e\u5206\u6790\u5806\u968f\u65f6\u95f4\u7684\u589e\u957f\u60c5\u51b5\u3002\u5982\u679c\u4f60\u5df2\u7ecf\u6000\u7591\u662f\u67d0\u4e2a\u7279\u5b9a\u6a21\u5757\u51fa\u4e86\u95ee\u9898\uff0c\u8fd9\u4e9b\u5de5\u5177\u4f1a\u5c24\u5176\u9ad8\u6548\u3002\u6bcf\u4e00\u79cd\u5de5\u5177\u90fd\u80fd\u751f\u6210\u53ef\u4ee5\u4fdd\u5b58\u548c\u540e\u7eed\u5bf9\u6bd4\u7684\u62a5\u544a\u3002<\/p>\n<p>\u5728 Windows \u4e0a\uff0c\u95ee\u9898\u901a\u5e38\u5206\u6210\u4e24\u4e2a\u533a\u57df\u3002\u5185\u6838\u6001\u7684\u95ee\u9898\u5927\u591a\u6765\u81ea\u9a71\u52a8\u7a0b\u5e8f\uff0c\u6b64\u65f6 Driver Verifier \u5f88\u6709\u5e2e\u52a9\uff0c\u5b83\u901a\u8fc7\u5f3a\u5236\u8ba9\u975e\u6cd5\u8c03\u7528\u5931\u8d25\u6765\u53d1\u73b0\u8fd9\u7c7b\u6cc4\u6f0f\u3002\u7528\u6237\u6001\u95ee\u9898\u5219\u53ef\u4ee5\u501f\u52a9 Application Verifier \u6765\u68c0\u67e5\u5e94\u7528\u6a21\u5757\u548c DLL\u3002\u5bf9\u4e8e C++ \u9879\u76ee\uff0cVisual Studio \u7684\u8c03\u8bd5 CRT \u5806\u51fd\u6570\u53ef\u4ee5\u5728\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u8bc6\u522b\u6cc4\u6f0f\u7684\u5185\u5b58\u5757\u3002\u4f60\u53ef\u4ee5\u5728\u538b\u6d4b\u524d\u540e\u5206\u522b\u62cd\u6444\u5feb\u7167\uff0c\u5bf9\u6bd4\u5dee\u5f02\u540e\uff0c\u7f6a\u9b41\u7978\u9996\u6240\u5c5e\u7684\u6a21\u5757\u5c31\u4f1a\u663e\u73b0\u3002\u81ea\u52a8\u5316\u5b89\u5168\u5de5\u5177\u548c\u4e91\u76d1\u63a7\u5de5\u5177\u4e5f\u5f88\u6709\u4ef7\u503c\uff0c\u5b83\u4eec\u80fd\u591f\u6301\u7eed\u76d1\u63a7\u8fdc\u7a0b\u670d\u52a1\u5668\uff0c\u5e76\u5728\u5185\u5b58\u6301\u7eed\u4e0a\u6da8\u65f6\u53d1\u51fa\u544a\u8b66\u3002\u8fd9\u6837\uff0c\u5373\u4fbf\u662f\u7f13\u6162\u589e\u957f\u7684\u6cc4\u6f0f\uff0c\u4e5f\u80fd\u5728\u771f\u6b63\u5f15\u53d1\u6545\u969c\u4e4b\u524d\u88ab\u53ca\u65f6\u53d1\u73b0\u3002<\/p>\n<h2><strong>\u9010\u6b65\u76d1\u63a7\u4e0e\u5206\u6790<\/strong><\/h2>\n<h3>\u8bc6\u522b PID\uff0c\u5e76\u786e\u8ba4\u786e\u5b9e\u53d1\u751f\u4e86\u5185\u5b58\u6cc4\u6f0f<\/h3>\n<p>\u5148\u4ece\u8fdb\u7a0b ID \u5f00\u59cb\u3002\u5728 Linux \u4e0a\u8fd0\u884c top \u6216 htop\uff0c\u6216\u8005\u5728 Windows \u4e0a\u6253\u5f00\u4efb\u52a1\u7ba1\u7406\u5668\uff0c\u8bb0\u4e0b\u4f60\u7684\u670d\u52a1\u5668\u7a0b\u5e8f\u7684 PID\u3002\u89c2\u5bdf\u4e00\u6bb5\u65f6\u95f4\uff0c\u91cd\u70b9\u770b\u5b83\u7684\u5185\u5b58\u5360\u7528\u662f\u5426\u6301\u7eed\u6500\u5347\uff0c\u5e76\u4e14\u59cb\u7ec8\u7ef4\u6301\u5728\u9ad8\u4f4d\u3002<\/p>\n<p>\u4ec5\u4ec5\u51fa\u73b0\u4e00\u6b21\u5cf0\u503c\uff0c\u5e76\u4e0d\u80fd\u8bf4\u660e\u4ec0\u4e48\u3002\u7f13\u5b58\u672c\u6765\u5c31\u53ef\u80fd\u5148\u589e\u957f\u3001\u540e\u56de\u843d\u3002\u771f\u6b63\u7684\u5185\u5b58\u6cc4\u6f0f\uff0c\u8868\u73b0\u4e3a\u5185\u5b58\u4f7f\u7528\u91cf\u6301\u7eed\u4e0a\u5347\uff0c\u5e76\u4e14\u6c38\u8fdc\u56de\u4e0d\u5230\u521d\u59cb\u57fa\u7ebf\u3002\u4e3a\u4e86\u533a\u5206\u8fd9\u4e24\u8005\uff0c\u4f60\u5e94\u91cd\u70b9\u8ddf\u8e2a\u4ee5\u4e0b\u6307\u6807\uff1a<\/p>\n<ul>\n<li>RSS\uff08\u9a7b\u7559\u96c6\u5927\u5c0f\uff09\u2014\u2014 \u8fdb\u7a0b\u5f53\u524d\u5b9e\u9645\u6301\u6709\u7684\u5185\u5b58\u3002<\/li>\n<li>\u5783\u573e\u56de\u6536\u540e\u7684\u5b58\u6d3b\u5185\u5b58\u96c6 \u2014\u2014 \u5728\u4e00\u6b21 GC \u5468\u671f\u4e4b\u540e\u4ecd\u7136\u4fdd\u7559\u7684\u5185\u5b58\u3002<\/li>\n<li>\u6d3b\u8dc3 goroutine \u6570\u91cf \u2014\u2014 \u5982\u679c\u8fd9\u4e2a\u6570\u91cf\u6301\u7eed\u4e0a\u5347\uff0c\u53ef\u80fd\u610f\u5473\u7740 goroutine \u6cc4\u6f0f\u3002<\/li>\n<li>\u5806\u5feb\u7167\u5dee\u5f02 \u2014\u2014 \u901a\u8fc7\u6bd4\u8f83\u4e0d\u540c\u65f6\u523b\u7684 profile\uff0c\u8bc6\u522b\u6301\u7eed\u589e\u957f\u7684\u5206\u914d\u3002<\/li>\n<\/ul>\n<p>\u5982\u679c\u5185\u5b58\u6301\u7eed\u589e\u957f\uff0c\u800c\u5783\u573e\u56de\u6536\u59cb\u7ec8\u65e0\u6cd5\u56de\u6536\uff0c\u90a3\u4e48\u8fd9\u5c31\u662f\u6cc4\u6f0f\uff0c\u800c\u4e0d\u662f\u6b63\u5e38\u7f13\u5b58\u884c\u4e3a\u3002\u6709\u4e00\u6b21\u6392\u67e5\u4e2d\u53d1\u73b0\uff1a\u5728\u8fdb\u7a0b\u542f\u52a8\u65f6\uff0cJVM \u4e2d\u4ecd\u88ab\u5f15\u7528\u7684\u5185\u5b58\u5360\u603b\u5185\u5b58\u7684 97%\uff1b24 \u5c0f\u65f6\u540e\uff0c\u8fd9\u4e2a\u6bd4\u4f8b\u4e0b\u964d\u5230\u4e86\u53ea\u6709 80%\uff0c\u800c\u4e14\u7f3a\u5931\u90e8\u5206\u8fd8\u5728\u6301\u7eed\u6269\u5927\u3002\u6700\u5927\u7684\u5143\u51f6\u662f <code>java.util.zip.Inflater<\/code> \u548c <code>java.util.zip.Deflater<\/code>\uff0c\u4e24\u8005\u5408\u8ba1\u5360\u4e86\u4e22\u5931\u5185\u5b58\u7684 18.2%\u3002\u8fd9\u4e9b\u539f\u751f\u51fd\u6570\u4f1a\u5206\u914d\u7f13\u51b2\u533a\uff0c\u5982\u679c\u6ca1\u6709\u8c03\u7528 <code>end()<\/code>\uff0c\u8fd9\u90e8\u5206\u5185\u5b58\u5c31\u4e0d\u4f1a\u88ab\u91ca\u653e\u3002\u800c finalizer \u53ea\u6709\u5728\u5b8c\u6574 GC \u65f6\u624d\u4f1a\u8fd0\u884c\uff0c\u4f46\u8f7b\u8d1f\u8f7d\u96c6\u7fa4\u5f80\u5f80\u5f88\u5c11\u89e6\u53d1\u5b8c\u6574 GC\u3002<\/p>\n<p>\u5bf9\u4e8e\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u670d\u52a1\uff0c\u6700\u597d\u5148\u4ece\u6301\u7eed\u76d1\u63a7\u5165\u624b\u3002\u8fd9\u6837\u53ef\u4ee5\u5728\u4f60\u9644\u52a0\u5206\u6790\u5668\u4e4b\u524d\uff0c\u5c31\u63d0\u524d\u53d1\u73b0\u5185\u5b58\u6cc4\u6f0f\u3002\u5982\u679c\u4f60\u7ba1\u7406\u7684\u662f\u4e00\u53f0\u6709\u660e\u786e\u5185\u5b58\u9650\u5236\u7684<a href=\"https:\/\/www.varidata.com\/server\/hk\/cn2\/\" target=\"_blank\" rel=\"noopener\">\u8054\u7f51\u670d\u52a1\u5668<\/a>\uff0c\u8bf7\u5c06\u6700\u5927\u5185\u5b58\u8bbe\u7f6e\u63a7\u5236\u5728\u5bbf\u4e3b\u673a\u53ef\u7528\u5185\u5b58\u4e4b\u4e0b\u3002\u8fd9\u4e2a\u5b89\u5168\u7f13\u51b2\u533a\u53ef\u4ee5\u9632\u6b62\u6cc4\u6f0f\u76f4\u63a5\u5f15\u53d1\u670d\u52a1\u4e2d\u65ad\u3002<\/p>\n<h3>\u91c7\u96c6\u5feb\u7167\u5e76\u6bd4\u8f83\u5404\u6a21\u5757\u7684\u589e\u957f\u60c5\u51b5<\/h3>\n<p>\u63a5\u4e0b\u6765\u8981\u4e3a\u7a0b\u5e8f\u52a0\u4e0a\u5206\u6790\u624b\u6bb5\u3002\u4f60\u9700\u8981\u7684\u662f\u6309\u6a21\u5757\u5206\u7ec4\u7684\u5206\u914d\u6570\u636e\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u7b3c\u7edf\u7684\u603b\u6570\u3002\u8ba9\u670d\u52a1\u5728\u771f\u5b9e\u8d1f\u8f7d\u4e0b\u8fd0\u884c\uff0c\u5e76\u6309\u56fa\u5b9a\u65f6\u95f4\u95f4\u9694\u6293\u53d6\u5806\u5feb\u7167\u3002<\/p>\n<p>\u4e0d\u540c\u8bed\u8a00\u7684\u5de5\u5177\u94fe\u6709\u6240\u5dee\u5f02\u3002GHC \u5206\u6790\u9700\u8981\u52a0\u4e0a <code>-prof<\/code> \u6807\u5fd7\uff0c\u7136\u540e\u901a\u8fc7 <code>-i&lt;secs&gt;<\/code> \u8bbe\u7f6e\u91c7\u6837\u95f4\u9694\uff0c\u5bf9\u5b58\u6d3b\u5806\u8fdb\u884c\u91c7\u6837\uff0c\u5e76\u5c06\u7ed3\u679c\u5199\u5165 <code>.hp<\/code> \u6587\u4ef6\u6216\u4e8b\u4ef6\u65e5\u5fd7\u4e2d\u3002<code>-hm<\/code> \u9009\u9879\u4f1a\u6309\u7167\u751f\u6210\u6570\u636e\u7684\u6a21\u5757\u5bf9\u91c7\u6837\u5230\u7684\u5b58\u6d3b\u5806\u8fdb\u884c\u5206\u7ec4\uff0c\u800c <code>hp2ps<\/code> \u4f1a\u628a\u7ed3\u679c\u6e32\u67d3\u6210\u201c\u5b58\u6d3b\u5806\u968f\u65f6\u95f4\u53d8\u5316\u201d\u7684\u56fe\u8868\u3002\u67d0\u4e2a\u6a21\u5757\u5bf9\u5e94\u7684\u533a\u57df\u5982\u679c\u6301\u7eed\u53d8\u5bbd\u4e0a\u5347\uff0c\u5c31\u8bf4\u660e\u8fd9\u4e2a\u6a21\u5757\u4e00\u76f4\u5728\u4fdd\u7559\u8d8a\u6765\u8d8a\u591a\u7684\u5185\u5b58\u3002\u5728 Node.js \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>--inspect<\/code> \u642d\u914d Chrome DevTools\uff0c\u6216\u8005\u4f7f\u7528 <code>heapdump<\/code> \u6a21\u5757\u6765\u6293\u53d6\u5feb\u7167\uff0c\u54ea\u6015\u662f\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4e5f\u53ef\u4ee5\u3002\u5c06\u4e0d\u540c\u65f6\u523b\u6293\u53d6\u7684\u5feb\u7167\u8fdb\u884c\u6bd4\u8f83\uff0c\u91cd\u70b9\u89c2\u5bdf <code>Closure<\/code> \u5bf9\u8c61\u4ee5\u53ca <code>EventEmitter<\/code> \u5b9e\u4f8b\u4e2d\u7684\u6570\u7ec4\u7b49\u5bf9\u8c61\u3002\u5982\u679c\u67d0\u4e00\u7c7b\u5bf9\u8c61\u7684\u6570\u91cf\u6216\u5927\u5c0f\u5728\u591a\u4e2a\u5feb\u7167\u4e2d\u6301\u7eed\u589e\u52a0\uff0c\u5c31\u8bf4\u660e\u5185\u5b58\u5728\u4e0d\u65ad\u7d2f\u79ef\u3002<\/p>\n<p>\u628a\u8fd9\u4e9b\u5feb\u7167\u5e76\u6392\u6bd4\u8f83\u3002\u901a\u5e38\u4f1a\u6709\u4e00\u4e2a\u6a21\u5757\u8868\u73b0\u51fa\u7a33\u5b9a\u589e\u957f\uff0c\u800c\u5176\u4ed6\u6a21\u5757\u57fa\u672c\u4fdd\u6301\u5e73\u7a33\u3002\u90a3\u4e2a\u6a21\u5757\u5c31\u662f\u4f60\u7684\u9996\u8981\u6000\u7591\u5bf9\u8c61\u3002\u5982\u679c\u4f60\u662f\u5728\u4e0e<a href=\"https:\/\/www.varidata.com\/server\/hk\/\" target=\"_blank\" rel=\"noopener\">\u8fdc\u7a0b\u670d\u52a1\u5668<\/a>\u901a\u4fe1\uff0c\u6216\u8005\u662f\u5728\u8c03\u8bd5\u4e00\u4e2a\u6b63\u5728\u4e0e\u8fdc\u7a0b\u670d\u52a1\u5668\u901a\u4fe1\u7684\u8bbe\u5907\uff0c\u90a3\u4e48\u5fc5\u987b\u76f4\u63a5\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u91c7\u96c6\u5feb\u7167\u3002\u672c\u5730\u5feb\u7167\u770b\u4e0d\u5230\u771f\u6b63\u53d1\u751f\u6cc4\u6f0f\u7684\u90a3\u4e2a\u8fdb\u7a0b\u3002\u63a5\u4e0b\u6765\u5c31\u53bb\u9605\u8bfb\u8fd9\u4e2a\u53ef\u7591\u6a21\u5757\u7684\u6e90\u4ee3\u7801\u3002\u91cd\u70b9\u67e5\u627e\u201c\u6709\u5206\u914d\u3001\u65e0\u91ca\u653e\u201d\u7684\u8def\u5f84\uff0c\u5e76\u68c0\u67e5\u5b83\u8c03\u7528\u7684\u6bcf\u4e00\u4e2a\u5e93\u3002\u5f88\u591a\u65f6\u5019\uff0c\u771f\u6b63\u7684\u5143\u51f6\u5176\u5b9e\u9690\u85cf\u5728\u7b2c\u4e09\u65b9\u5e93\u5185\u90e8\u3002<\/p>\n<h2><strong>\u9694\u79bb\u6545\u969c\u6a21\u5757\u7684\u6280\u5de7<\/strong><\/h2>\n<p>\u786e\u8ba4\u5b58\u5728\u5185\u5b58\u6cc4\u6f0f\u4e4b\u540e\uff0c\u4f60\u624b\u91cc\u5f97\u5230\u7684\u901a\u5e38\u53ea\u662f\u4e00\u4e2a\u5acc\u7591\u5217\u8868\uff0c\u800c\u4e0d\u662f\u6700\u7ec8\u5224\u51b3\u3002\u4f60\u9700\u8981\u901a\u8fc7\u53ef\u63a7\u5b9e\u9a8c\uff0c\u628a\u771f\u6b63\u6709\u95ee\u9898\u7684\u7ec4\u4ef6\u4ece\u65e0\u8f9c\u8005\u4e2d\u5206\u79bb\u51fa\u6765\u3002\u6700\u5feb\u7684\u65b9\u6cd5\u662f\u6210\u6279\u7981\u7528\u7a0b\u5e8f\u4e2d\u7684\u90e8\u5206\u7ec4\u4ef6\u3002\u53e6\u4e00\u6761\u8def\u5f84\u5219\u662f\u5728\u6bcf\u4e00\u6761\u5206\u914d\u8def\u5f84\u4e0a\u52a0\u5165\u8ba1\u6570\u5668\u3002\u5982\u679c\u6761\u4ef6\u5141\u8bb8\uff0c\u6700\u597d\u4e24\u79cd\u65b9\u6cd5\u4e00\u8d77\u7528\uff0c\u5b83\u4eec\u901a\u5e38\u80fd\u5f88\u5feb\u5f97\u51fa\u4e00\u81f4\u7ed3\u8bba\u3002<\/p>\n<h3>\u7981\u7528\u6a21\u5757\u5e76\u4f7f\u7528\u4e8c\u5206\u6cd5<\/h3>\n<p>\u4e00\u6b21\u53ea\u5173\u95ed\u4e00\u4e2a\u7ec4\u4ef6\uff0c\u4f1a\u6d6a\u8d39\u5f88\u591a\u65f6\u95f4\u3002\u66f4\u9ad8\u6548\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4e8c\u5206\u6cd5\u3002\u5148\u7ed9\u6240\u6709\u53ef\u52a0\u8f7d\u7ec4\u4ef6\u7f16\u53f7\uff0c\u5e76\u5c06\u5b83\u4eec\u5206\u6210\u4e24\u534a\u3002\u7981\u7528\u7b2c\u4e00\u534a\uff0c\u91cd\u542f\u670d\u52a1\uff0c\u8fd0\u884c\u540c\u6837\u7684\u8d1f\u8f7d\u6d4b\u8bd5\uff0c\u7136\u540e\u89c2\u5bdf\u5806\u5feb\u7167\u3002\u5982\u679c\u5185\u5b58\u4ecd\u7136\u7ee7\u7eed\u589e\u957f\uff0c\u8bf4\u660e\u6cc4\u6f0f\u5728\u4ecd\u7136\u542f\u7528\u7684\u90a3\u4e00\u534a\u4e2d\uff1b\u5982\u679c\u5185\u5b58\u8d8b\u4e8e\u5e73\u7a33\uff0c\u5219\u8bf4\u660e\u6cc4\u6f0f\u5728\u88ab\u7981\u7528\u7684\u90a3\u4e00\u534a\u4e2d\u3002\u63a5\u7740\u7ee7\u7eed\u5bf9\u5305\u542b\u6cc4\u6f0f\u7684\u90a3\u4e00\u534a\u505a\u4e8c\u5206\u3002\u5bf9\u4e8e\u6a21\u5757\u8f83\u591a\u7684\u7a0b\u5e8f\uff0c\u8fd9\u79cd\u65b9\u6cd5\u76f8\u6bd4\u9010\u4e00\u6392\u67e5\uff0c\u80fd\u5728\u66f4\u5c11\u7684\u5b9e\u9a8c\u6b21\u6570\u4e2d\u5feb\u901f\u5b9a\u4f4d\u5230\u5177\u4f53\u7ec4\u4ef6\u3002<\/p>\n<p>\u6bcf\u4e00\u8f6e\u5b9e\u9a8c\u90fd\u5fc5\u987b\u4fdd\u6301\u6761\u4ef6\u4e00\u81f4\u3002\u4f7f\u7528\u76f8\u540c\u7684\u5de5\u4f5c\u8d1f\u8f7d\u3001\u76f8\u540c\u7684\u6301\u7eed\u65f6\u95f4\uff0c\u4ee5\u53ca\u76f8\u540c\u7684\u6d4b\u91cf\u65f6\u70b9\u3002\u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528\u5c42\u5728\u7a00\u758f\u6d41\u91cf\u4e0b\u7684\u8868\u73b0\uff0c\u53ef\u80fd\u4e0e\u6b63\u5e38\u6d41\u91cf\u5b8c\u5168\u4e0d\u540c\uff0c\u56e0\u6b64\u6d4b\u8bd5\u8bf7\u6c42\u4e00\u5b9a\u8981\u5c3d\u91cf\u8d34\u8fd1\u771f\u5b9e\u4e1a\u52a1\u3002\u53ea\u6709\u5728\u76f8\u540c\u538b\u529b\u4e0b\u6bd4\u8f83\u7ed3\u679c\uff0c\u4f60\u624d\u771f\u6b63\u770b\u5f97\u51fa\u662f\u5426\u5b58\u5728\u6cc4\u6f0f\u3002<\/p>\n<p>\u5373\u4f7f\u5982\u6b64\uff0c\u7981\u7528\u6cd5\u6709\u65f6\u4e5f\u4f1a\u8bef\u5bfc\u4f60\u3002\u6709\u4e9b\u7ec4\u4ef6\u5171\u4eab\u4ee3\u7801\uff0c\u4e00\u4e2a\u672c\u8eab\u4e0d\u6cc4\u6f0f\u7684\u6a21\u5757\uff0c\u53ef\u80fd\u53ea\u662f\u89e6\u53d1\u4e86\u90bb\u5c45\u6a21\u5757\u4e2d\u7684\u6cc4\u6f0f\u3002\u6bd4\u5982\u5b83\u81ea\u8eab\u8d1f\u8d23\u5206\u914d\uff0c\u7136\u540e\u8c03\u7528\u5171\u4eab\u4ee3\u7801\uff0c\u800c\u5171\u4eab\u4ee3\u7801\u4ece\u4e0d\u5f52\u8fd8\u8fd9\u4e9b\u5185\u5b58\uff1b\u751a\u81f3\u8fde\u5b83\u81ea\u5df1\u7684\u6e05\u7406\u8def\u5f84\u4e5f\u6ca1\u80fd\u6b63\u786e\u91ca\u653e\u6240\u62e5\u6709\u7684\u8d44\u6e90\u3002\u5982\u679c\u67d0\u4e2a\u7ec4\u4ef6\u65e0\u6cd5\u5b89\u5168\u7981\u7528\uff0c\u90a3\u5c31\u76f4\u63a5\u9605\u8bfb\u8be5\u53ef\u7591\u6a21\u5757\u7684\u6e90\u7801\uff0c\u8ffd\u8e2a\u6bcf\u4e00\u4e2a\u5206\u914d\u4f4d\u7f6e\u3002\u5c24\u5176\u8981\u7559\u610f\u9519\u8bef\u5206\u652f\u548c\u63d0\u524d\u8fd4\u56de\u8def\u5f84\u3002\u5728\u8bb8\u591a\u771f\u5b9e\u6848\u4f8b\u4e2d\uff0c\u6e05\u7406\u51fd\u6570\u6070\u6070\u5c31\u662f\u5728\u8fd9\u4e9b\u5206\u652f\u4e0a\u6ca1\u6709\u88ab\u8c03\u7528\u3002\u90a3\u4e2a\u7f3a\u5931\u7684\u8c03\u7528\uff0c\u5f80\u5f80\u5c31\u662f\u6cc4\u6f0f\u6839\u6e90\u3002<\/p>\n<h3>\u589e\u52a0\u65e5\u5fd7\u4e0e\u6a21\u5757\u7ea7\u8ba1\u6570\u5668<\/h3>\n<p>\u5982\u679c\u6a21\u5757\u65e0\u6cd5\u88ab\u7981\u7528\uff0c\u90a3\u5c31\u7ed9\u5b83\u4eec\u52a0\u4e0a\u76d1\u63a7\u3002\u4e3a\u6bcf\u4e00\u4e2a\u5206\u914d\u4f4d\u7f6e\u589e\u52a0\u4e00\u4e2a\u8ba1\u6570\u5668\uff1a\u5185\u5b58\u5757\u521b\u5efa\u65f6\u9012\u589e\uff0c\u91ca\u653e\u65f6\u9012\u51cf\u3002\u5728\u6bcf\u4e00\u6279\u8bf7\u6c42\u5904\u7406\u5b8c\u6210\u540e\uff0c\u8bb0\u5f55\u8fd9\u4e9b\u8ba1\u6570\u5668\u7684\u503c\u3002\u82e5\u67d0\u4e2a\u8ba1\u6570\u6301\u7eed\u4e0a\u5347\uff0c\u5c31\u8bf4\u660e\u6709\u5bf9\u8c61\u6216\u5185\u5b58\u5757\u4e00\u76f4\u88ab\u4fdd\u7559\u3002<\/p>\n<p>\u5982\u679c\u628a\u8fd9\u4e9b\u8ba1\u6570\u5668\u66b4\u9732\u5230\u4e00\u4e2a\u76d1\u63a7\u7aef\u70b9\uff0c\u6548\u679c\u4f1a\u66f4\u597d\u3002\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\uff0c\u4f60\u672a\u5fc5\u80fd\u8fc5\u901f\u9644\u52a0\u8c03\u8bd5\u5668\uff1b\u4f46\u901a\u8fc7\u5916\u90e8\u6301\u7eed\u91c7\u6837\u8fd9\u4e9b\u8ba1\u6570\u5668\uff0c\u540c\u6837\u53ef\u4ee5\u5f97\u5230\u975e\u5e38\u6709\u529b\u7684\u8bc1\u636e\u3002\u4f60\u4f1a\u5f88\u6e05\u695a\u5730\u770b\u5230\uff0c\u7a76\u7adf\u662f\u54ea\u4e2a\u7ec4\u4ef6\u5728\u589e\u957f\uff0c\u54ea\u4e2a\u7ec4\u4ef6\u4fdd\u6301\u5e73\u7a33\u3002<\/p>\n<p>\u4e0d\u8981\u53ea\u505c\u7559\u5728\u7ec4\u4ef6\u8fb9\u754c\u3002\u5e94\u628a\u6bcf\u4e00\u4e2a\u8ba1\u6570\u5668\u6620\u5c04\u5230\u5177\u4f53\u4fee\u6539\u5b83\u7684\u51fd\u6570\u3002\u5982\u679c\u67d0\u4e2a\u8ba1\u6570\u5668\u5728\u6bcf\u6279\u8bf7\u6c42\u4e4b\u540e\u90fd\u4f1a\u4e0a\u5347\uff0c\u5c31\u5728\u5bf9\u5e94\u7684\u5206\u914d\u51fd\u6570\u4e0a\u8bbe\u65ad\u70b9\u3002\u5728 Linux \u4e0a\u53ef\u4ee5\u7528 <code>gdb<\/code> \u6765\u6355\u6349\u90a3\u4e2a\u77ac\u95f4\u3002\u56de\u6eaf\u6808\u4f1a\u663e\u793a\u7a76\u7adf\u662f\u5e93\u4ee3\u7801\u4e2d\u7684\u54ea\u4e2a\u51fd\u6570\u6267\u884c\u4e86\u5206\u914d\u3002\u4f60\u53ef\u80fd\u4f1a\u53d1\u73b0\uff0c\u67d0\u4e2a\u5916\u90e8 i\/o \u5e93\u4f1a\u5206\u914d\u539f\u751f\u7f13\u51b2\u533a\uff0c\u5e76\u8981\u6c42\u4f60\u7684\u5e94\u7528\u4ee3\u7801\u8d1f\u8d23\u91ca\u653e\uff1b\u5982\u679c\u4ece\u672a\u8c03\u7528\u4e0e\u4e4b\u5339\u914d\u7684\u91ca\u653e\u51fd\u6570\uff0c\u5185\u5b58\u5c31\u4f1a\u4e0d\u65ad\u7d2f\u79ef\u3002\u4e00\u65e6\u4f60\u8bc6\u522b\u51fa\u90a3\u4e2a\u786e\u5207\u51fd\u6570\uff0c\u5c31\u53bb\u67e5\u770b\u5b83\u7684\u6587\u6863\u3002\u5f88\u591a\u5382\u5546\u90fd\u4f1a\u63d0\u4f9b\u4e00\u4e2a\u5fc5\u987b\u663e\u5f0f\u8c03\u7528\u7684\u6e05\u7406\u4f8b\u7a0b\u3002\u4fee\u590d\u65b9\u5f0f\u5f80\u5f80\u53ea\u662f\u4e00\u884c\uff1a\u5728\u5bf9\u8c61\u4e0d\u518d\u9700\u8981\u65f6\u8c03\u7528\u5b83\u3002<\/p>\n<p>\u8fd9\u79cd\u7cfb\u7edf\u5316\u7684\u65b9\u6cd5\uff0c\u80fd\u628a\u731c\u6d4b\u53d8\u6210\u8bc1\u636e\u3002\u4e8c\u5206\u6cd5\u627e\u5230\u6545\u969c\u7ec4\u4ef6\uff0c\u8ba1\u6570\u5668\u9a8c\u8bc1\u589e\u957f\u8d8b\u52bf\uff0c\u8c03\u8bd5\u5668\u9501\u5b9a\u5177\u4f53\u4ee3\u7801\u884c\u3002\u4f60\u5c06\u4e0d\u5fc5\u518d\u9760\u60f3\u8c61\u53bb\u731c\u5185\u5b58\u5230\u5e95\u4e22\u5230\u54ea\u91cc\u53bb\u4e86\u3002<\/p>\n<h2><strong>\u901a\u8fc7\u5806\u5206\u6790\u8fdb\u884c\u786e\u8ba4\u4e0e\u8c03\u8bd5<\/strong><\/h2>\n<h3>\u627e\u5230\u786e\u5207\u7684\u5206\u914d\u4f4d\u7f6e<\/h3>\n<p>\u4f60\u5df2\u7ecf\u628a\u95ee\u9898\u7f29\u5c0f\u5230\u67d0\u4e2a\u6a21\u5757\u3002\u73b0\u5728\u9700\u8981\u627e\u5230\u90a3\u4e00\u884c\u201c\u5206\u914d\u4e86\u5185\u5b58\uff0c\u5374\u4ece\u672a\u91ca\u653e\u201d\u7684\u4ee3\u7801\u3002\u5806\u5206\u6790\u80fd\u7ed9\u4f60\u8fd9\u4e2a\u8bc1\u636e\u3002\u4e0d\u540c\u8fd0\u884c\u65f6\u7684\u5de5\u4f5c\u6d41\u6709\u6240\u533a\u522b\uff0c\u4f46\u5e95\u5c42\u903b\u8f91\u662f\u76f8\u540c\u7684\uff1a\u91c7\u96c6\u3001\u6bd4\u8f83\u3001\u8ffd\u8e2a\u3002<\/p>\n<p>\u5bf9\u4e8e JVM \u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>jcmd<\/code> \u6216 <code>jmap<\/code> \u751f\u6210\u5806\u8f6c\u50a8\uff0c\u4e5f\u53ef\u4ee5\u8ba9 JVM \u5728\u53d1\u751f out-of-memory \u9519\u8bef\u65f6\u81ea\u52a8\u5199\u51fa\u5806\u8f6c\u50a8\u3002\u7136\u540e\u7528 Eclipse Memory Analyzer \u6253\u5f00\u8fd9\u4e2a\u8f6c\u50a8\u3002\u5148\u8fd0\u884c Leak Suspects Report \u505a\u5feb\u901f\u6982\u89c8\uff0c\u518d\u5207\u6362\u5230 Histogram \u89c6\u56fe\uff0c\u67e5\u627e\u90a3\u4e9b\u4fdd\u7559\u5806\u5f02\u5e38\u5927\u6216\u5bf9\u8c61\u6570\u91cf\u5f02\u5e38\u591a\u7684\u7c7b\u3002\u53f3\u952e\u70b9\u51fb\u67d0\u4e2a\u53ef\u7591\u7c7b\uff0c\u9009\u62e9 List Objects\uff0c\u7136\u540e\u9009\u62e9 with incoming references\u3002Dominator Tree \u4f1a\u663e\u793a\u7a76\u7adf\u662f\u54ea\u4e9b\u5bf9\u8c61\u4fdd\u7559\u4e86\u8be5\u7c7b\u7684\u5b9e\u4f8b\u3002\u63a5\u7740\u5e94\u7528 Path to GC Roots\uff0c\u5e76\u6392\u9664 weak \u6216 soft references\u3002\u8fd9\u6837\u4e00\u6761\u5f15\u7528\u94fe\u6700\u7ec8\u4f1a\u628a\u4f60\u5e26\u5230\u5206\u914d\u6e90\u5934\uff0c\u6bd4\u5982\u67d0\u4e2a\u793a\u4f8b\u7c7b\u4e2d\u4e0d\u65ad\u589e\u957f\u7684 <code>ArrayList<\/code>\u3002<\/p>\n<p>Node.js \u7684\u8def\u5f84\u4e0e\u4e4b\u7c7b\u4f3c\u3002\u901a\u8fc7 Chrome DevTools \u6216 <code>v8<\/code> \u6a21\u5757\u751f\u6210 <code>.heapsnapshot<\/code> \u6587\u4ef6\u3002\u628a\u4e24\u4e2a\u5feb\u7167\u52a0\u8f7d\u5230 Memory \u9762\u677f\u4e2d\uff0c\u5e76\u5207\u6362\u5230 Comparison \u89c6\u56fe\u3002\u6309 Size Delta \u6216 Count Delta \u5bf9\u6784\u9020\u51fd\u6570\u6392\u5e8f\u3002\u67d0\u4e2a\u6784\u9020\u51fd\u6570\u5982\u679c\u4fdd\u7559\u5927\u5c0f\u6301\u7eed\u589e\u52a0\uff0c\u5c31\u4f1a\u975e\u5e38\u663e\u773c\u3002\u518d\u67e5\u770b Retainers \u9762\u677f\uff0c\u6cbf\u7740\u5f15\u7528\u94fe\u56de\u6eaf\uff0c\u4f8b\u5982\u4ece\u4e00\u4e2a\u6570\u7ec4\u4e00\u76f4\u8ffd\u5230\u5168\u5c40\u53d8\u91cf <code>cachedRequests<\/code>\u3002\u8fd9\u4e2a\u53d8\u91cf\u5c31\u662f\u6cc4\u6f0f\u6e90\u3002<\/p>\n<h3>\u9a8c\u8bc1\u4fee\u590d\u5e76\u9632\u6b62\u56de\u5f52<\/h3>\n<p>\u4fee\u590d\u90a3\u4e2a\u5206\u914d\u4f4d\u7f6e\u4e4b\u540e\uff0c\u8fd8\u9700\u8981\u8bc1\u660e\u4fee\u590d\u786e\u5b9e\u751f\u6548\u3002\u4f7f\u7528\u76f8\u540c\u7684\u8d1f\u8f7d\u91cd\u65b0\u8fd0\u884c\u670d\u52a1\u5668\uff0c\u5e76\u7ee7\u7eed\u89c2\u5bdf\u5185\u5b58\u3002\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u5185\u5b58\u4f1a\u5148\u4e0a\u5347\uff0c\u7136\u540e\u5728\u5783\u573e\u56de\u6536\u540e\u56de\u843d\u5230\u57fa\u7ebf\u3002\u5982\u679c\u5b83\u4f9d\u7136\u6301\u7eed\u589e\u957f\uff0c\u8bf4\u660e\u5185\u5b58\u6cc4\u6f0f\u8fd8\u5b58\u5728\u4e8e\u53e6\u4e00\u4e2a\u4f60\u5c1a\u672a\u8ffd\u8e2a\u5230\u7684\u8def\u5f84\u4e0a\u3002<\/p>\n<p>\u540c\u65f6\u8981\u9632\u6b62\u95ee\u9898\u518d\u6b21\u51fa\u73b0\u3002\u4e3a\u8fd9\u4e2a\u53ef\u7591\u6a21\u5757\u6dfb\u52a0\u4e00\u4e2a\u56de\u5f52\u6d4b\u8bd5\uff0c\u5728\u8d1f\u8f7d\u4e0b\u8fd0\u884c\uff0c\u5e76\u65ad\u8a00\u5185\u5b58\u4fdd\u6301\u7a33\u5b9a\u3002\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u7ee7\u7eed\u4fdd\u7559\u6301\u7eed\u76d1\u63a7\u3002\u54ea\u6015\u6cc4\u6f0f\u518d\u6b21\u51fa\u73b0\uff0c\u4e5f\u4f1a\u5148\u5728\u8d8b\u52bf\u7ebf\u4e0a\u663e\u73b0\uff0c\u800c\u4e0d\u662f\u7b49\u5230\u5f71\u54cd\u7528\u6237\u65f6\u624d\u88ab\u53d1\u73b0\u3002\u8fd8\u8981\u987a\u4fbf\u7559\u610f\u8bf8\u5982 heap-use-after-free \u4e4b\u7c7b\u7684\u76f8\u5173\u7f3a\u9677\uff0c\u8fd9\u7c7b\u95ee\u9898\u53ef\u4ee5\u5728\u540c\u4e00\u6b21\u6d4b\u8bd5\u4e2d\u901a\u8fc7 sanitizer \u4e00\u5e76\u53d1\u73b0\u3002\u9605\u8bfb\u4f60\u6240\u8c03\u7528\u7684\u6bcf\u4e00\u4e2a\u5e93\u7684\u6e90\u4ee3\u7801\uff0c\u5e76\u786e\u8ba4\u4f60\u5df2\u7ecf\u8c03\u7528\u4e86\u5176\u6e05\u7406\u4f8b\u7a0b\u3002\u9057\u6f0f\u5e93\u63d0\u4f9b\u7684\u91ca\u653e\u8c03\u7528\uff0c\u662f\u975e\u5e38\u5e38\u89c1\u7684\u6839\u672c\u539f\u56e0\u3002<\/p>\n<div class=\"qc-divider-wrapper\">\n<div class=\"qc-divider\" style=\"border-top-style: solid; width: 100%; border-top-color: #d1d1d1;\"><\/div>\n<\/div>\n<p>\u73b0\u5728\uff0c\u4f60\u5df2\u7ecf\u53ef\u4ee5\u4ece\u75c7\u72b6\u4e00\u8def\u5feb\u901f\u8ffd\u67e5\u5230\u6e90\u5934\u3002\u5148\u8bc6\u522b\u5bf9\u5e94\u7684 PID\uff0c\u7136\u540e\u901a\u8fc7\u6301\u7eed\u76d1\u63a7\u786e\u8ba4\u786e\u5b9e\u53d1\u751f\u4e86\u5185\u5b58\u6cc4\u6f0f\u3002\u518d\u5229\u7528\u5206\u6790\u5de5\u5177\u6bd4\u8f83\u5404\u6a21\u5757\u7684\u5feb\u7167\u3002\u901a\u8fc7\u7981\u7528\u7ec4\u4ef6\u6216\u4f7f\u7528\u4e8c\u5206\u6cd5\uff0c\u9694\u79bb\u51fa\u6545\u969c\u6a21\u5757\u3002\u6700\u540e\u501f\u52a9\u5806\u5206\u6790\uff0c\u62ff\u5230\u786e\u51ff\u8bc1\u636e\uff0c\u8bc1\u660e\u7a76\u7adf\u662f\u54ea\u4e00\u4e2a\u5206\u914d\u4f4d\u7f6e\u5bfc\u81f4\u4e86\u95ee\u9898\u3002<\/p>\n<p>\u5bf9\u4e8e\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u670d\u52a1\u5668\u670d\u52a1\u800c\u8a00\uff0c\u8fd9\u79cd\u7cfb\u7edf\u5316\u3001\u5de5\u5177\u9a71\u52a8\u7684\u65b9\u6cd5\uff0c\u6c38\u8fdc\u6bd4\u76f4\u89c9\u731c\u6d4b\u66f4\u53ef\u9760\u3002\u4e00\u4e2a\u9519\u8bef\u7684\u76f4\u89c9\uff0c\u53ef\u80fd\u4f1a\u628a\u4f60\u5f15\u5411\u9519\u8bef\u7684\u5e93\uff0c\u767d\u767d\u6d6a\u8d39\u5927\u91cf\u65f6\u95f4\u3002\u63a5\u4e0b\u6765\uff0c\u8bf7\u628a\u5185\u5b58\u76d1\u63a7\u52a0\u5165\u5230\u65e5\u5e38\u5065\u5eb7\u68c0\u67e5\u4e2d\u3002\u540c\u65f6\uff0c\u5c06\u6700\u5927\u5806\u8bbe\u7f6e\u63a7\u5236\u5728\u5bbf\u4e3b\u673a\u53ef\u7528\u5185\u5b58\u4e4b\u4e0b\uff0c\u8fd9\u6837\u5373\u4fbf\u53d1\u751f\u6cc4\u6f0f\uff0c\u4e5f\u4e0d\u81f3\u4e8e\u7acb\u523b\u5f15\u53d1\u5b95\u673a\u3002<\/p>\n<h2><strong>\u5e38\u89c1\u95ee\u9898<\/strong><\/h2>\n<h3>\u6211\u9700\u8981\u76d1\u63a7\u591a\u4e45\uff0c\u624d\u80fd\u76f8\u4fe1\u7ed3\u679c\uff1f<\/h3>\n<p>\u81f3\u5c11\u8981\u8de8\u8d8a\u591a\u4e2a\u5783\u573e\u56de\u6536\u5468\u671f\u6765\u89c2\u5bdf\uff0c\u800c\u4e0d\u662f\u53ea\u770b\u51e0\u5206\u949f\u3002\u771f\u6b63\u7684\u6cc4\u6f0f\u4f1a\u5728\u6bcf\u6b21 GC \u4e4b\u540e\u7ee7\u7eed\u4e0a\u5347\uff1b\u6b63\u5e38\u7f13\u5b58\u5219\u4f1a\u5148\u5347\u540e\u964d\uff0c\u6700\u7ec8\u56de\u5230\u57fa\u7ebf\u3002\u5982\u679c\u5185\u5b58\u59cb\u7ec8\u56de\u4e0d\u53bb\u57fa\u7ebf\uff0c\u4f60\u5c31\u5df2\u7ecf\u786e\u8ba4\u5b58\u5728\u6cc4\u6f0f\uff0c\u53ef\u4ee5\u5f00\u59cb\u9644\u52a0\u5206\u6790\u5668\u4e86\u3002<\/p>\n<h3>\u54ea\u79cd\u5de5\u5177\u6700\u9002\u5408\u6211\u7684\u670d\u52a1\u5668\uff1f<\/h3>\n<p>\u5e94\u6839\u636e\u8fd0\u884c\u65f6\u6765\u5339\u914d\u5de5\u5177\u3002Valgrind \u548c Heaptrack \u9002\u7528\u4e8e Linux \u4e0a\u7684 C\/C++ \u7a0b\u5e8f\uff1bJava \u7528 VisualVM\uff1bPython \u7528 tracemalloc\uff1bGo \u7528 pprof\u3002\u5728 Windows \u4e0a\uff0cDriver Verifier \u7528\u4e8e\u9a71\u52a8\u95ee\u9898\uff0c\u800c Application Verifier \u4e0e\u8c03\u8bd5 CRT \u5219\u7528\u4e8e\u5e94\u7528\u6a21\u5757\u6392\u67e5\u3002<\/p>\n<h3>\u6211\u80fd\u5426\u5b89\u5168\u5730\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u505a\u5206\u6790\uff1f<\/h3>\n<p>\u53ef\u4ee5\uff0c\u4f46\u8981\u8c28\u614e\u3002Node.js \u652f\u6301\u5728\u5728\u7ebf\u670d\u52a1\u5668\u4e0a\u4f7f\u7528 <code>--inspect<\/code> \u548c <code>heapdump<\/code> \u6a21\u5757\u3002Valgrind \u7684\u6027\u80fd\u5f00\u9500\u5f88\u5927\uff0c\u56e0\u6b64\u6bcf\u6b21\u5206\u6790\u65f6\u95f4\u5e94\u5c3d\u91cf\u77ed\u3002\u5e76\u4e14\u4e00\u5b9a\u8981\u76f4\u63a5\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u6293\u53d6\u5feb\u7167\uff0c\u56e0\u4e3a\u672c\u5730\u5feb\u7167\u770b\u4e0d\u5230\u771f\u6b63\u53d1\u751f\u6cc4\u6f0f\u7684\u90a3\u4e2a\u8fdb\u7a0b\u3002<\/p>\n<h3>\u5982\u679c\u7981\u7528\u67d0\u4e2a\u6a21\u5757\u53cd\u800c\u628a\u6cc4\u6f0f\u9690\u85cf\u8d77\u6765\u4e86\uff0c\u600e\u4e48\u529e\uff1f<\/h3>\n<p>\u5171\u4eab\u4ee3\u7801\u4f1a\u8ba9\u95ee\u9898\u53d8\u5f97\u590d\u6742\u3002\u67d0\u4e2a\u6a21\u5757\u53ef\u80fd\u5148\u5206\u914d\u5185\u5b58\uff0c\u7136\u540e\u8c03\u7528\u4e00\u6bb5\u4ece\u4e0d\u91ca\u653e\u5185\u5b58\u7684\u5171\u4eab\u4ee3\u7801\u3002\u6b64\u65f6\uff0c\u4f60\u9700\u8981\u76f4\u63a5\u9605\u8bfb\u53ef\u7591\u6a21\u5757\u7684\u6e90\u7801\uff0c\u8ffd\u8e2a\u6bcf\u4e00\u4e2a\u5206\u914d\u4f4d\u7f6e\u3002\u91cd\u70b9\u68c0\u67e5\u9519\u8bef\u5206\u652f\u548c\u63d0\u524d\u8fd4\u56de\u8def\u5f84\uff0c\u56e0\u4e3a\u5f88\u591a\u6cc4\u6f0f\u6b63\u662f\u7531\u4e8e\u8fd9\u4e9b\u8def\u5f84\u4e0a\u9057\u6f0f\u4e86\u6e05\u7406\u8c03\u7528\u3002<\/p>\n<h3>\u600e\u6837\u9632\u6b62\u540c\u6837\u7684\u6cc4\u6f0f\u518d\u6b21\u53d1\u751f\uff1f<\/h3>\n<p>\u4e3a\u8be5\u6a21\u5757\u6dfb\u52a0\u4e00\u4e2a\u56de\u5f52\u6d4b\u8bd5\uff0c\u5728\u8d1f\u8f7d\u4e0b\u8fd0\u884c\u5e76\u65ad\u8a00\u5185\u5b58\u4fdd\u6301\u7a33\u5b9a\u3002\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4fdd\u7559\u6301\u7eed\u76d1\u63a7\uff0c\u8fd9\u6837\u4e00\u65e6\u6cc4\u6f0f\u91cd\u73b0\uff0c\u5c31\u4f1a\u5c3d\u65e9\u51fa\u73b0\u5728\u8d8b\u52bf\u56fe\u4e0a\u3002\u5e76\u786e\u8ba4\u4f60\u5df2\u7ecf\u8c03\u7528\u4e86\u6bcf\u4e2a\u5e93\u8981\u6c42\u7684\u6e05\u7406\u4f8b\u7a0b\uff0c\u540c\u65f6\u5c06\u6700\u5927\u5806\u8bbe\u7f6e\u63a7\u5236\u5728\u5bbf\u4e3b\u673a\u53ef\u7528\u5185\u5b58\u4e4b\u4e0b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u53ef\u4ee5\u5f88\u5feb\u627e\u5230\u53d1\u751f\u6cc4\u6f0f\u7684\u8fdb\u7a0b\u3002\u6253\u5f00 top\u3001htop \u6216\u4efb\u52a1\u7ba1\u7406\u5668\uff0c\u8bb0\u4e0b\u4f60\u7684\u670d\u52a1\u5668\u7a0b\u5e8f\u7684\u8fdb\u7a0b ID\uff08PID\uff09\u3002\u6301\u7eed\u89c2\u5bdf\u8be5 PID 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