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\u8cc7\u6e90\u914d\u7f6e\u4e0d\u5339\u914d<\/strong>\uff1a\u5728\u9999\u6e2f\u52d5\u614b\u7684\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\uff0c\u8cc7\u6e90\u914d\u7f6e\u4e0d\u8db3\u6975\u70ba\u5e38\u898b\u2014\u2014\u8de8\u5883\u96fb\u5546\u4fc3\u92b7\u7b49\u5834\u666f\u5f15\u767c\u7684\u7a81\u767c\u6d41\u91cf\u5c16\u5cf0\uff0c\u53ef\u80fd\u8d85\u51fa\u4f3a\u670d\u5668RAM\u7684\u627f\u8f09\u80fd\u529b\u3002\u53cd\u4e4b\uff0c\u70ba\u975e\u6838\u5fc3\u670d\u52d9\uff08\u5982\u9592\u7f6e\u7684\u76e3\u63a7\u4ee3\u7406\u3001\u820a\u5f0f\u80cc\u666f\u7a0b\u5e8f\uff09\u904e\u5ea6\u5206\u914d\u8cc7\u6e90\uff0c\u6703\u6d6a\u8cbb\u672c\u53ef\u7528\u65bc\u6838\u5fc3\u5de5\u4f5c\u8ca0\u8f09\u7684\u8a18\u61b6\u9ad4\u3002\u5728\u4f3a\u670d\u5668\u4ee3\u7ba1\u5834\u666f\u4e2d\uff0c\u670d\u52d9\u5546\u5c0d\u5171\u7528\u786c\u9ad4\u7684\u8d85\u552e\u884c\u70ba\u4e5f\u53ef\u80fd\u5c0e\u81f4\u300c\u865b\u5047\u4f7f\u7528\u7387\u300d\uff0c\u5373\u6a19\u7a31\u7684RAM\u5bb9\u91cf\u8207\u5be6\u969b\u53ef\u7528\u8cc7\u6e90\u4e0d\u5339\u914d\u3002<\/li>\n
\u7db2\u8def\u5a01\u8105\u8207\u60e1\u610f\u6d3b\u52d5<\/strong>\uff1a\u505a\u70ba\u4e9e\u592a\u5730\u5340\u6d41\u91cf\u6a1e\u7d10\uff0c\u9999\u6e2f\u4f3a\u670d\u5668\u662fDDoS\/CC\u653b\u64ca\u7684\u4e3b\u8981\u76ee\u6a19\u3002\u9019\u985e\u653b\u64ca\u900f\u904e\u5927\u91cf\u507d\u9020\u8acb\u6c42\u8f5f\u70b8\u4f3a\u670d\u5668\uff0c\u8feb\u4f7f\u4f5c\u696d\u7cfb\u7d71\u5feb\u53d6\u6578\u5343\u500b\u4f75\u767c\u9023\u7dda\uff0c\u6700\u7d42\u8017\u76e1\u8a18\u61b6\u9ad4\u3002\u60e1\u610f\u722c\u87f2\u8207\u8cc7\u6599\u64f7\u53d6\u5de5\u5177\u540c\u6a23\u69cb\u6210\u5a01\u8105\u2014\u2014\u4e0d\u53d7\u9650\u5236\u7684\u6a5f\u5668\u4eba\u7a0b\u5f0f(bots)\u9ad8\u983b\u5b58\u53d6API\u6216\u975c\u614b\u8cc7\u6e90\uff0c\u6703\u89f8\u767c\u904e\u91cf\u8cc7\u6599\u8655\u7406\uff1b\u800c\u900f\u904e\u672a\u4fee\u88dc\u6f0f\u6d1e\u690d\u5165\u7684\u96b1\u85cf\u6316\u7926\u60e1\u610f\u8edf\u9ad4\uff0c\u6703\u5360\u7528\u5927\u91cf\u8a18\u61b6\u9ad4\u7528\u65bc\u52a0\u5bc6\u8ca8\u5e63\u904b\u7b97\u3002<\/li>\n
\u7cfb\u7d71\u8207\u74b0\u5883\u8a2d\u5b9a\u4e0d\u7576<\/strong>\uff1a\u9810\u8a2d\u7684\u4f5c\u696d\u7cfb\u7d71\u8a2d\u5b9a\u5f88\u5c11\u91dd\u5c0d\u9999\u6e2f\u7684\u4f7f\u7528\u5834\u666f\u6700\u4f73\u5316\u3002\u4f8b\u5982\uff0cLinux\u7cfb\u7d71\u7684swappiness\u503c\u8a2d\u5b9a\u904e\u9ad8\uff0c\u6703\u5c0e\u81f4\u4e0d\u5fc5\u8981\u7684\u78c1\u789f-\u8a18\u61b6\u9ad4\u4ea4\u63db\uff1b\u800c\u672a\u4f7f\u7528\u7684\u7cfb\u7d71\u670d\u52d9\uff08\u5982\u5217\u5370\u80cc\u666f\u7a0b\u5f0f\u3001\u9060\u7aef\u684c\u9762\u5b88\u8b77\u7a0b\u5e8f\uff09\u6703\u5728\u80cc\u666f\u57f7\u884c\u4e26\u6d88\u8017\u8cc7\u6e90\u3002\u904e\u6642\u7684\u6838\u5fc3\u6216\u672a\u4fee\u88dc\u7684\u7a0b\u5f0f\u5eab\u6a94\u6848\u901a\u5e38\u5b58\u5728\u8a18\u61b6\u9ad4\u6d29\u6f0f\u554f\u984c\uff0c\u9019\u5c0d\u8655\u7406\u6301\u7e8c\u8de8\u5883\u6d41\u91cf\u7684\u9577\u671f\u57f7\u884c\u4f3a\u670d\u5668\u5c24\u70ba\u95dc\u9375\u3002<\/li>\n
\u9999\u6e2f\u5c08\u5c6c\u5de5\u4f5c\u8ca0\u8f09\u6311\u6230<\/strong>\uff1a\u8de8\u5883\u8def\u7531\u5e36\u4f86\u4e86\u7368\u7279\u7684\u9700\u6c42\u3002\u8655\u7406\u9999\u6e2f\u3001\u4e2d\u570b\u5927\u9678\u53ca\u6771\u5357\u4e9e\u5730\u5340\u6d41\u91cf\u7684\u4f3a\u670d\u5668\uff0c\u5fc5\u9808\u5feb\u53d6\u66f4\u591a\u7db2\u8def\u4e2d\u7e7c\u8cc7\u6599\u4ee5\u7dad\u6301\u9023\u7dda\u7a69\u5b9a\u6027\uff08\u5c24\u5176\u662f\u5728\u5ef6\u9072\u6ce2\u52d5\u7684\u60c5\u6cc1\u4e0b\uff09\u3002\u904b\u884c\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\u7684\u591a\u5340\u57df\u61c9\u7528\uff08\u5982\u591a\u8a9e\u7cfb\u96fb\u5546\u5e73\u53f0\u3001\u5168\u7403SaaS\u5de5\u5177\uff09\uff0c\u4e5f\u6703\u56e0\u9700\u8981\u5e73\u884c\u8655\u7406\u5340\u57df\u7279\u5b9a\u8cc7\u6599\u548c\u4f7f\u7528\u8005\u5de5\u4f5c\u968e\u6bb5\u800c\u52a0\u5287\u8a18\u61b6\u9ad4\u58d3\u529b\u3002<\/li>\n<\/ul>\n
\u958b\u767c\u8005\u5c08\u5c6c\u6280\u8853\u6545\u969c\u6392\u9664\u6d41\u7a0b<\/strong><\/h2>\n
\u8a3a\u65b7\u8a18\u61b6\u9ad4\u554f\u984c\u9700\u8981\u7cfb\u7d71\u5316\u65b9\u6cd5\uff0c\u7d50\u5408\u547d\u4ee4\u5217\u5de5\u5177\u3001\u65e5\u8a8c\u5206\u6790\u548c\u5de5\u4f5c\u8ca0\u8f09\u5206\u6790\u3002\u9075\u5faa\u4ee5\u4e0b\u5206\u6b65\u6d41\u7a0b\uff0c\u7cbe\u6e96\u5b9a\u4f4d\u6839\u672c\u539f\u56e0\uff1a<\/p>\n
\n
\u4f7f\u7528CLI\u5de5\u5177\u5efa\u7acb\u8a18\u61b6\u9ad4\u4f7f\u7528\u57fa\u6e96<\/strong>\uff1a\u5f9e\u5e95\u5c64\u7cfb\u7d71\u6aa2\u67e5\u958b\u59cb\uff0c\u5efa\u7acb\u6548\u80fd\u57fa\u6e96\u3002\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u4e2d\u5360\u4e3b\u5c0e\u5730\u4f4d\u7684Linux\u7cfb\u7d71\u4e0a\uff0c\u4f7f\u7528free -h<\/code>\u547d\u4ee4\u5340\u5206\u5df2\u4f7f\u7528\u3001\u9592\u7f6e\u548c\u5feb\u53d6\u8a18\u61b6\u9ad4\uff08\u907f\u514d\u5c07\u5feb\u53d6RAM\u8aa4\u8a8d\u70ba\u5be6\u969b\u8a18\u61b6\u9ad4\u81a8\u8139\uff09\u3002\u900f\u904etop<\/code>\u6216htop<\/code>\u547d\u4ee4\u67e5\u770b\u7a0b\u5e8f\u7d1a\u8a18\u61b6\u9ad4\u6d88\u8017\u2014\u2014\u6309%MEM\u6392\u5e8f\uff0c\u8b58\u5225\u8cc7\u6e90\u5360\u7528\u5927\u6236\uff08\u5982\u884c\u70ba\u7570\u5e38\u7684PHP-FPM\u7a0b\u5e8f\u6c60\u6216\u5931\u63a7\u7684\u8cc7\u6599\u5eab\u7a0b\u5e8f\uff09\u3002\u5c0d\u65bc\u57fa\u65bcWindows\u7684\u4f3a\u670d\u5668\u4ee3\u7ba1\u74b0\u5883\uff0c\u4f7f\u7528\u8cc7\u6e90\u76e3\u8996\u5668\uff08resmon.exe\uff09\u5206\u6790\u7a0b\u5e8f\u8a18\u61b6\u9ad4\u5806\u758a\uff0c\u8b58\u5225\u6d29\u6f0f\u6a21\u5f0f\u3002<\/li>\n
\u5206\u6790\u5de5\u4f5c\u8ca0\u8f09\u8207\u65e5\u8a8c\u8cc7\u6599<\/strong>\uff1a\u78ba\u5b9a\u9802\u7d1a\u5360\u7528\u7a0b\u5e8f\u5f8c\uff0c\u6df1\u5165\u5206\u6790\u5176\u884c\u70ba\u3002\u5c0d\u65bcWeb\u61c9\u7528\u7a0b\u5f0f\uff0c\u6aa2\u67e5Nginx\/Apache\u5b58\u53d6\u65e5\u8a8c\uff0c\u67e5\u627e\u7570\u5e38\u8acb\u6c42\u6a21\u5f0f\uff08\u5982\u91cd\u8907POST\u81f3\u55ae\u4e00\u7aef\u9ede\uff0c\u53ef\u80fd\u6307\u793a\u6a5f\u5668\u4eba\u653b\u64ca\uff09\u62165xx\u932f\u8aa4\uff08\u8868\u660e\u61c9\u7528\u7a0b\u5f0f\u56e0\u8a18\u61b6\u9ad4\u9650\u5236\u7576\u6a5f\uff09\u3002\u8cc7\u6599\u5eab\u65e5\u8a8c\uff08\u5982MySQL\u7684\u6162\u67e5\u8a62\u65e5\u8a8c\uff09\u53ef\u51f8\u986f\u6d88\u8017\u8a18\u61b6\u9ad4\u7684\u4f4e\u6548\u67e5\u8a62\u3002\u91dd\u5c0d\u8de8\u5883\u6d41\u91cf\u554f\u984c\uff0c\u4f7f\u7528tcpdump<\/code>\u6216Wireshark\u5206\u6790\u9023\u7dda\u4e2d\u7e7c\u8cc7\u6599\uff0c\u8b58\u5225\u8def\u7531\u76f8\u95dc\u7684\u8a18\u61b6\u9ad4\u81a8\u8139\u3002<\/li>\n
\u904b\u7528\u5c08\u696d\u76e3\u63a7\u5de5\u5177<\/strong>\uff1aCLI\u5de5\u5177\u9069\u7528\u65bc\u521d\u6b65\u6aa2\u67e5\uff0c\u4f46\u9577\u671f\u76e3\u63a7\u9700\u8981\u5c08\u696d\u5e73\u53f0\u3002Zabbix\u6216Prometheus\uff08\u642d\u914dGrafana\uff09\u53ef\u8ffd\u8e64\u8a18\u61b6\u9ad4\u4f7f\u7528\u8da8\u52e2\uff0c\u5e6b\u52a9\u8b58\u5225\u6f38\u9032\u5f0f\u6d29\u6f0f\u3002\u5c0d\u65bc\u61c9\u7528\u5c64\u9664\u932f\uff0c\u4f7f\u7528Xdebug\uff08PHP\uff09\u6216VisualVM\uff08Java\uff09\u8ffd\u8e64\u8a18\u61b6\u9ad4\u914d\u7f6e\uff0c\u7cbe\u6e96\u5b9a\u4f4d\u6d29\u6f0f\u7a0b\u5f0f\u78bc\u3002\u8cc7\u6599\u5eab\u5c08\u5c6c\u5de5\u5177\uff08\u5982MySQL Workbench\u3001MongoDB Compass\uff09\u53ef\u5206\u6790\u67e5\u8a62\u6548\u80fd\uff0c\u51f8\u986f\u8a18\u61b6\u9ad4\u5bc6\u96c6\u578b\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n
\u9999\u6e2f\u4f3a\u670d\u5668\u8a18\u61b6\u9ad4\u6700\u4f73\u5316\u7b56\u7565<\/strong><\/h2>\n
\u78ba\u5b9a\u6839\u672c\u539f\u56e0\u5f8c\uff0c\u5be6\u65bd\u4ee5\u4e0b\u6280\u8853\u4fee\u5fa9\u4ee5\u964d\u4f4e\u8a18\u61b6\u9ad4\u4f7f\u7528\u7387\u4e26\u63d0\u5347\u7a69\u5b9a\u6027\u2014\u2014\u9019\u4e9b\u7b56\u7565\u5c08\u70ba\u9999\u6e2f\u7684\u4f3a\u670d\u5668\u79df\u7528\u8207\u4ee3\u7ba1\u74b0\u5883\u91cf\u8eab\u6253\u9020\uff1a<\/p>\n
\n
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