{"id":35203,"date":"2026-10-14T16:12:48","date_gmt":"2026-10-14T08:12:48","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-tc\/why-network-bandwidth-on-the-server-is-not-fully-utilized\/"},"modified":"2026-10-14T16:14:52","modified_gmt":"2026-10-14T08:14:52","slug":"why-network-bandwidth-on-the-server-is-not-fully-utilized","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/tc\/hong-kong-dedicated-server-tc\/why-network-bandwidth-on-the-server-is-not-fully-utilized\/","title":{"rendered":"\u70ba\u4ec0\u9ebc\u4f3a\u670d\u5668\u4e0a\u7684\u7db2\u8def\u983b\u5bec\u6c92\u6709\u88ab\u5145\u5206\u5229\u7528"},"content":{"rendered":"

\u4f3a\u670d\u5668\u7684\u7db2\u8def\u4ecb\u9762\u5361\u5373\u4f7f\u5177\u5099 10 Gbps \u7684\u9ad8\u901f\u80fd\u529b\uff0c\u5be6\u969b\u696d\u52d9\u6d41\u91cf\u5f80\u5f80\u4e5f\u53ea\u4f7f\u7528\u5176\u4e2d\u5f88\u5c0f\u4e00\u90e8\u5206\u5bb9\u91cf\u3002\u9019\u7a2e\u843d\u5dee\u8b93\u8a31\u591a\u7ba1\u7406\u54e1<\/a>\u611f\u5230\u56f0\u60d1\u3002\u771f\u6b63\u6709\u50f9\u503c\u7684\u554f\u984c\uff0c\u4e0d\u662f\u300c\u5982\u4f55\u8dd1\u6eff\u983b\u5bec\u300d\uff0c\u800c\u662f\u300c\u7a76\u7adf\u662f\u4ec0\u9ebc\u9650\u5236\u4e86\u76ee\u524d\u7684\u5de5\u4f5c\u8ca0\u8f09\u300d\u3002\u9020\u6210\u983b\u5bec\u672a\u88ab\u6253\u6eff<\/a>\u7684\u539f\u56e0\u5f88\u591a\uff0c\u5305\u62ec\u61c9\u7528\u7a0b\u5f0f\u9700\u6c42\u3001\u786c\u9ad4\u9650\u5236\u3001\u8edf\u9ad4\u958b\u92b7\u3001\u8a2d\u5b9a\u9078\u64c7\u4ee5\u53ca\u5916\u90e8\u7db2\u8def\u689d\u4ef6\u3002\u4ee5\u4e00\u500b\u5c0d\u5ef6\u9072\u654f\u611f\u7684\u670d\u52d9\u70ba\u4f8b\uff0c\u5b83\u53ef\u80fd\u5927\u90e8\u5206\u6642\u9593\u90fd\u5728\u7b49\u5f85\u56de\u61c9\uff0c\u800c\u4e0d\u662f\u6301\u7e8c\u5411\u93c8\u8def\u4e2d\u704c\u5165\u8cc7\u6599\u3002\u672c\u6587\u5c07\u63d0\u4f9b\u4e00\u689d\u5be6\u7528\u7684\u8a3a\u65b7\u8def\u5f91\uff0c\u5e6b\u52a9\u8b80\u8005\u6e2c\u91cf\u771f\u5be6\u541e\u5410\u91cf\u3001\u6aa2\u67e5\u8a08\u6578\u5668\uff0c\u4e26\u627e\u51fa\u81ea\u5df1\u74b0\u5883\u4e2d\u7684\u6700\u5f31\u74b0\u7bc0\u3002<\/p>\n

\u983b\u5bec\u8207\u5ef6\u9072\uff1a\u5b83\u5011\u5982\u4f55\u5f71\u97ff\u4f60\u7684\u4f3a\u670d\u5668<\/strong><\/h2>\n

\u61c9\u7528\u7a0b\u5f0f\u9700\u6c42\u8207\u4f3a\u670d\u5668\u7db2\u8def\u983b\u5bec<\/h3>\n

\u4f3a\u670d\u5668\u93c8\u8def\u4e4b\u6240\u4ee5\u5f88\u5c11\u88ab\u6253\u6eff\uff0c\u5f80\u5f80\u662f\u56e0\u70ba\u61c9\u7528\u7a0b\u5f0f\u672c\u8eab\u4e26\u6c92\u6709\u8acb\u6c42\u66f4\u591a\u8cc7\u6599\u3002\u4ee5\u4e00\u500b\u8655\u7406\u5c0f\u578b API \u8acb\u6c42\u7684 Web \u670d\u52d9\u70ba\u4f8b\uff1a\u6bcf\u6b21\u8acb\u6c42\u627f\u8f09\u7684\u8cc7\u6599\u91cf\u90fd\u5f88\u5c0f\uff0c\u56e0\u6b64\u4f3a\u670d\u5668\u5927\u591a\u6578\u6642\u9593\u90fd\u5728\u7b49\u5f85\u4e0b\u4e00\u500b\u8acb\u6c42\u5230\u4f86\uff0c\u800c\u4e0d\u662f\u6301\u7e8c\u50b3\u9001\u4f4d\u5143\u7d44\u6d41\u3002\u983b\u5bec\u5ef6\u9072\u7a4d\u53ef\u4ee5\u89e3\u91cb\u9019\u7a2e\u73fe\u8c61\u3002\u9019\u500b\u503c\u7b49\u65bc\u93c8\u8def\u901f\u7387\u4e58\u4ee5\u5f80\u8fd4\u5ef6\u9072\u3002\u50b3\u9001\u7aef\u5fc5\u9808\u505c\u4e0b\u4f86\u7b49\u5f85\u78ba\u8a8d\uff08acknowledgments\uff09\uff0c\u56e0\u6b64\u541e\u5410\u91cf\u901a\u5e38\u9060\u4f4e\u65bc\u93c8\u8def\u7684\u7406\u8ad6\u4e0a\u9650\u3002<\/p>\n

\u4f4e\u983b\u5bec\u5229\u7528\u7387\u70ba\u4f55\u6709\u6642\u53cd\u800c\u662f\u5065\u5eb7\u8868\u73fe<\/h3>\n

\u9592\u7f6e\u5bb9\u91cf\u4e26\u4e0d\u4ee3\u8868\u6545\u969c\u3002\u50cf\u8cc7\u6599\u5eab\u6216\u4ea4\u6613\u7cfb\u7d71\u9019\u985e\u5c0d\u5ef6\u9072\u654f\u611f\u7684\u5de5\u4f5c\u8ca0\u8f09\uff0c\u901a\u5e38\u6703\u5148\u9001\u51fa\u4e00\u500b\u5f88\u5c0f\u7684\u8acb\u6c42\uff0c\u7136\u5f8c\u7b49\u5f85\u56de\u61c9\u3002\u5728\u9019\u500b\u5f80\u8fd4\u904e\u7a0b\u4e2d\uff0c\u93c8\u8def\u81ea\u7136\u6703\u8655\u65bc\u9592\u7f6e\u72c0\u614b\u3002\u82e5\u786c\u8981\u58d3\u5165\u66f4\u591a\u6d41\u91cf\uff0c\u53ea\u6703\u589e\u52a0\u6392\u968a\u5ef6\u9072\u3002\u9019\u6b63\u8aaa\u660e\u4e86\u983b\u5bec\u8207\u5ef6\u9072\u5982\u4f55\u5171\u540c\u5f71\u97ff\u4f60\uff1a\u5169\u8005\u4e4b\u9593\u5b58\u5728\u6b0a\u8861\uff0c\u4e00\u689d\u9ad8\u983b\u5bec\u4f46\u9ad8\u5ef6\u9072\u7684\u93c8\u8def\uff0c\u5be6\u969b\u9ad4\u9a57\u4ecd\u53ef\u80fd\u5f88\u6162\u3002<\/p>\n

\u76e3\u63a7\u5de5\u5177\u5728\u9019\u88e1\u4e5f\u53ef\u80fd\u5e36\u4f86\u8aa4\u5c0e\u3002Task Manager \u4ee5\u53ca\u985e\u4f3c\u5de5\u5177\uff0c\u5e38\u5e38\u6703\u4f4e\u4f30\u771f\u5be6\u5229\u7528\u7387\u3002\u4e00\u500b\u5065\u5eb7\u7684\u5e73\u5747\u5229\u7528\u7387\u901a\u5e38\u5728 30\u201350% \u5de6\u53f3\uff0c\u56e0\u70ba\u5728\u93c8\u8def\u771f\u6b63\u98fd\u548c\u4e4b\u524d\uff0c\u5ef6\u9072\u548c\u5c01\u5305\u907a\u5931\u5f80\u5f80\u5c31\u5df2\u7d93\u958b\u59cb\u4e0a\u5347\u3002\u4e00\u65e6\u51fa\u73fe\u5c01\u5305\u907a\u5931\uff0cTCP \u6703\u9000\u907f\uff0c\u541e\u5410\u91cf\u9084\u6703\u9032\u4e00\u6b65\u4e0b\u964d\u3002\u983b\u5bec\u8b80\u6578\u8f03\u4f4e\uff0c\u53ef\u80fd\u53ea\u662f\u56e0\u70ba\u76ee\u524d\u5de5\u4f5c\u8ca0\u8f09\u904b\u4f5c\u5f97\u5f88\u6b63\u5e38\u3002\u771f\u6b63\u7684\u554f\u984c\u61c9\u8a72\u662f\uff1a\u61c9\u7528\u7a0b\u5f0f\u662f\u5426\u771f\u7684\u9700\u8981\u66f4\u591a\u5bb9\u91cf\uff0c\u800c\u4e0d\u662f\u5716\u8868\u662f\u5426\u770b\u8d77\u4f86\u300c\u8dd1\u6eff\u4e86\u300d\u3002<\/p>\n

\u9650\u5236\u4f3a\u670d\u5668\u983b\u5bec\u7684\u786c\u9ad4\u74f6\u9838<\/strong><\/h2>\n

NIC\u3001\u532f\u6d41\u6392\u3001CPU \u8207\u78c1\u789f\u7684\u9650\u5236<\/h3>\n

\u786c\u9ad4\u5143\u4ef6\u69cb\u6210\u4e86\u4e00\u689d\u5b8c\u6574\u93c8\u8def\u3002NIC\u3001PCIe \u532f\u6d41\u6392\u3001CPU \u8207\u5132\u5b58\u78c1\u789f\uff0c\u90fd\u6703\u5171\u540c\u6c7a\u5b9a\u541e\u5410\u80fd\u529b\u3002\u4f3a\u670d\u5668\u4e0a\u7684\u7db2\u8def\u983b\u5bec\uff0c\u6700\u7d42\u53cd\u6620\u7684\u662f\u9019\u689d\u93c8\u8def\u4e2d\u6700\u5f31\u7684\u4e00\u74b0\u3002<\/p>\n

CPU \u8ca0\u8f09\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7d04\u675f\u3002\u8655\u7406\u5668\u8981\u8655\u7406\u6bcf\u4e00\u500b\u8cc7\u6599\u5c01\u5305\u4e8b\u4ef6\uff0c\u4e26\u5728\u6838\u5fc3\u8a18\u61b6\u9ad4\u8207\u61c9\u7528\u7a0b\u5f0f\u8a18\u61b6\u9ad4\u4e4b\u9593\u8907\u88fd\u8cc7\u6599\u3002\u7576 CPU \u5f88\u5fd9\u6642\uff0c\u9019\u4e9b\u5de5\u4f5c\u5c31\u6703\u88ab\u5ef6\u5f8c\u3002\u5c0d\u65bc\u6a94\u6848\u50b3\u8f38\u4f86\u8aaa\uff0c\u78c1\u789f\u901f\u5ea6\u540c\u6a23\u95dc\u9375\uff1b\u5982\u679c\u78c1\u789f\u592a\u6162\uff0c\u7db2\u8def\u5c31\u6703\u300c\u65b7\u7ce7\u300d\u3002\u8a18\u61b6\u9ad4\u983b\u5bec\u901a\u5e38\u4e26\u4e0d\u662f\u9019\u88e1\u7684\u6838\u5fc3\u554f\u984c\uff0c\u56e0\u6b64\u771f\u6b63\u5e38\u898b\u7684\u9650\u5236\u56e0\u7d20\u5f80\u5f80\u9084\u662f CPU \u8207\u78c1\u789f\u3002<\/p>\n

\u4f7f\u7528 ethtool \u8207 iperf \u9032\u884c\u8a3a\u65b7<\/h3>\n

ethtool<\/code> \u662f\u7b2c\u4e00\u6b65\u89c0\u5bdf\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u986f\u793a\u93c8\u8def\u901f\u7387\u3001\u96d9\u5de5\u6a21\u5f0f\u4ee5\u53ca PCIe \u72c0\u614b\u3002\u96d9\u5de5\u4e0d\u5339\u914d\u6216\u93c8\u8def\u5bec\u5ea6\u4e0d\u8db3\uff0c\u5f80\u5f80\u5c31\u80fd\u76f4\u63a5\u89e3\u91cb\u70ba\u4ec0\u9ebc\u983b\u5bec\u5229\u7528\u7387\u504f\u4f4e\u3002\u9019\u500b\u5de5\u5177\u9084\u53ef\u4ee5\u8b80\u53d6 NIC \u932f\u8aa4\u8a08\u6578\u5668\u3002\u82e5\u932f\u8aa4\u8a08\u6578\u6301\u7e8c\u4e0a\u5347\uff0c\u901a\u5e38\u8868\u793a\u554f\u984c\u66f4\u53ef\u80fd\u51fa\u5728\u532f\u6d41\u6392\u6216\u4f47\u5217\uff0c\u800c\u975e\u61c9\u7528\u7a0b\u5f0f\u884c\u70ba\u672c\u8eab\u3002<\/p>\n

iperf<\/code> \u5247\u7528\u65bc\u6e2c\u91cf\u771f\u5be6\u541e\u5410\u91cf\u3002\u5148\u57f7\u884c\u55ae\u689d TCP \u6d41\u6e2c\u8a66\u3002\u9ad8\u5ef6\u9072\u6703\u58d3\u4f4e\u5176\u901f\u5ea6\uff0c\u56e0\u70ba\u50b3\u9001\u7aef\u9700\u8981\u7b49\u5f85\u78ba\u8a8d\u3002\u518d\u4f7f\u7528\u591a\u689d\u5e73\u884c\u6d41\u6e2c\u8a66\uff0c\u5c31\u80fd\u66f4\u63a5\u8fd1\u771f\u5be6\u5bb9\u91cf\u3002\u5982\u679c\u591a\u4f75\u767c\u6d41\u63a5\u8fd1\u7dda\u901f\uff0c\u800c\u55ae\u6d41\u4e0a\u4e0d\u53bb\uff0c\u8868\u793a\u4f3a\u670d\u5668\u672c\u8eab\u8655\u7406\u6d41\u91cf\u6c92\u6709\u554f\u984c\uff0c\u53ea\u662f\u61c9\u7528\u7a0b\u5f0f\u7121\u6cd5\u5145\u5206\u5229\u7528\u6574\u689d\u93c8\u8def\u3002\u5982\u679c\u9019\u5169\u7a2e\u6e2c\u8a66\u7d50\u679c\u90fd\u4e0d\u7406\u60f3\uff0c\u90a3\u9ebc NIC\u3001CPU \u6216\u78c1\u789f\u5c31\u53ef\u80fd\u662f\u4f3a\u670d\u5668\u6548\u80fd\u74f6\u9838\u3002<\/p>\n

\u5c07 ethtool<\/code> \u8a08\u6578\u5668\u8207 iperf<\/code> \u7d50\u679c\u5c0d\u6bd4\uff0c\u53ef\u4ee5\u628a\u300c\u4f3a\u670d\u5668\u983b\u5bec\u8207 CPU \u8cc7\u6e90\u554f\u984c\u300d\u548c\u300c\u5916\u90e8\u7db2\u8def\u8def\u5f91\u554f\u984c\u300d\u5340\u5206\u958b\u4f86\u3002\u9019\u7a2e\u5169\u6b65\u6aa2\u67e5\u80fd\u5920\u5e6b\u52a9\u7ba1\u7406\u54e1\u660e\u78ba\u6392\u67e5\u91cd\u9ede\u3002\u82e5\u5c01\u5305\u907a\u5931\u51fa\u73fe\u5728 NIC \u5074\uff0c\u8868\u793a\u554f\u984c\u66f4\u504f\u5411\u4f3a\u670d\u5668\u5167\u90e8\uff1b\u82e5\u5c01\u5305\u907a\u5931\u51fa\u73fe\u5728\u6e2c\u8a66\u8def\u5f91\u4e2d\uff0c\u5247\u66f4\u53ef\u80fd\u662f\u5916\u90e8\u93c8\u8def\u554f\u984c\u3002\u4fee\u6b63\u786c\u9ad4\u6216\u8a2d\u5b9a\u5f8c\uff0c\u518d\u91cd\u65b0\u57f7\u884c\u6e2c\u8a66\uff0c\u4fbf\u80fd\u770b\u5230\u6578\u503c\u56de\u5347\u3002<\/p>\n

\u964d\u4f4e\u983b\u5bec\u8868\u73fe\u7684\u8edf\u9ad4\u958b\u92b7<\/strong><\/h2>\n

TCP\/IP \u5354\u5b9a\u5806\u758a\u8655\u7406\u8207\u8cc7\u6599\u8907\u88fd<\/h3>\n

\u8edf\u9ad4\u958b\u92b7\u6703\u6d88\u8017\u6389\u51fa\u4e4e\u610f\u6599\u7684\u5927\u91cf\u8655\u7406\u80fd\u529b\u3002\u6bcf\u500b\u8cc7\u6599\u5c01\u5305\u5728\u62b5\u9054\u61c9\u7528\u7a0b\u5f0f\u4e4b\u524d\uff0c\u90fd\u5fc5\u9808\u5148\u7d93\u904e TCP\/IP \u5354\u5b9a\u5806\u758a\u3002\u6838\u5fc3\u9700\u8981\u52a0\u5165\u6a19\u982d\u3001\u8a08\u7b97\u6821\u9a57\u548c\u3001\u7ba1\u7406\u8996\u7a97\u5927\u5c0f\u3002\u6bcf\u4e00\u6b65\u90fd\u8981\u6d88\u8017 CPU \u9031\u671f\u3002\u4e00\u65e6\u9700\u6c42\u8d85\u904e\u8655\u7406\u80fd\u529b\uff0cNIC \u5c31\u7121\u6cd5\u7e7c\u7e8c\u5411\u5916\u63a8\u9001\u66f4\u591a\u6d41\u91cf\uff0c\u4f3a\u670d\u5668\u4e0a\u7684\u7db2\u8def\u983b\u5bec\u5229\u7528\u7387\u81ea\u7136\u6703\u504f\u4f4e\u3002<\/p>\n

\u8cc7\u6599\u8907\u88fd\u9084\u6703\u9032\u4e00\u6b65\u589e\u52a0\u958b\u92b7\u3002\u50b3\u7d71\u8def\u5f91\u9700\u8981\u628a\u4f4d\u5143\u7d44\u5f9e\u6838\u5fc3\u8a18\u61b6\u9ad4\u8907\u88fd\u5230\u4f7f\u7528\u8005\u614b\u8a18\u61b6\u9ad4\uff0c\u518d\u8907\u88fd\u56de\u4f86\u3002\u9019\u7a2e\u96d9\u91cd\u8907\u88fd\u6703\u6d88\u8017\u5927\u91cf\u8a18\u61b6\u9ad4\u8cc7\u6e90\u3002sendfile()<\/code> \u7cfb\u7d71\u547c\u53eb\u53ef\u4ee5\u907f\u514d\u9019\u985e\u984d\u5916\u5de5\u4f5c\u3002\u5b83\u80fd\u5728\u6838\u5fc3\u5167\u90e8\u76f4\u63a5\u628a\u8cc7\u6599\u5f9e\u6a94\u6848\u63cf\u8ff0\u7b26\u50b3\u9001\u5230 socket\u3002\u5be6\u969b\u6e2c\u91cf\u8868\u660e\uff0c\u9019\u7a2e\u65b9\u6cd5\u958b\u92b7\u5f88\u4f4e\uff0c\u4e26\u4e14\u5728\u9ad8\u8ca0\u8f09\u4e0b\u4ecd\u8f03\u70ba\u7a69\u5b9a\u3002\u8df3\u904e\u4f7f\u7528\u8005\u614b\u8907\u88fd\u7684\u61c9\u7528\u7a0b\u5f0f\uff0c\u901a\u5e38\u80fd\u5920\u7372\u5f97\u9ad8\u5f97\u591a\u7684\u541e\u5410\u91cf\u3002<\/p>\n

\u4f7f\u7528 tcpdump \u8207 strace \u9032\u884c\u8a3a\u65b7<\/h3>\n

\u7ba1\u7406\u54e1\u53ef\u4ee5\u85c9\u52a9\u5169\u7a2e\u5de5\u5177\u76f4\u63a5\u89c0\u5bdf\u8edf\u9ad4\u958b\u92b7\u3002tcpdump<\/code> \u7528\u4f86\u64f7\u53d6\u8cc7\u6599\u5c01\u5305\u9032\u5165\u548c\u96e2\u958b\u4f3a\u670d\u5668\u6642\u7684\u60c5\u6cc1\u3002\u5c07\u63a2\u6e2c\u5c01\u5305\u5230\u9054\u7684\u6642\u9593\u8207\u56de\u61c9\u767c\u51fa\u7684\u6642\u9593\u9032\u884c\u6bd4\u8f03\uff0c\u5c31\u80fd\u770b\u51fa\u7531\u4f3a\u670d\u5668\u81ea\u8eab\u5f15\u5165\u7684\u5ef6\u9072\u3002\u9019\u7a2e\u5ef6\u9072\u80fd\u5920\u53cd\u6620\u8edf\u9ad4\u5806\u758a\u5728\u6bcf\u6b21\u4ea4\u6613\u4e0a\u589e\u52a0\u4e86\u591a\u5c11\u8655\u7406\u6642\u9593\u3002<\/p>\n

strace<\/code> \u5247\u7528\u65bc\u8b58\u5225\u9020\u6210\u9019\u4e9b\u5ef6\u9072\u7684\u7cfb\u7d71\u547c\u53eb\u3002\u65e9\u671f\u6e2c\u8a66\u767c\u73fe\uff0cread()<\/code> \u8207 stat()<\/code> \u6703\u89f8\u767c\u4ee3\u50f9\u8f03\u9ad8\u7684\u64cd\u4f5c\u3002\u9019\u4e9b\u547c\u53eb\u5e36\u4f86\u4e86\u53ef\u6e2c\u91cf\u7684\u555f\u52d5\u5ef6\u9072\u3002\u5728\u9ad8\u8ca0\u8f09\u4e0b\uff0c\u4f3a\u670d\u5668\u8868\u73fe\u66f4\u5dee\uff0c\u56e0\u70ba\u53ef\u4f9b\u9019\u4e9b\u5de5\u4f5c\u7684\u8655\u7406\u5668\u8cc7\u6e90\u9032\u4e00\u6b65\u6e1b\u5c11\u3002<\/p>\n

\u4f3a\u670d\u5668\u555f\u52d5\u968e\u6bb5\u7684\u8655\u7406\u9700\u8981\u57f7\u884c\u591a\u500b\u958b\u92b7\u8f03\u5927\u7684\u7cfb\u7d71\u547c\u53eb\uff0c\u800c strace<\/code> \u8b49\u5be6\uff0c\u6b63\u662f\u9019\u4e9b\u5728\u50b3\u9001\u56de\u61c9\u4e4b\u524d\u767c\u751f\u65bc\u4f7f\u7528\u8005\u7a7a\u9593\u7684\u7cfb\u7d71\u547c\u53eb\u89f8\u767c\u4e86\u521d\u59cb\u5ef6\u9072\u3002\u5728\u9ad8\u8ca0\u8f09\u4e0b\uff0c\u53ef\u7528\u65bc\u9019\u9805\u5de5\u4f5c\u7684\u7cfb\u7d71\u8cc7\u6e90\u66f4\u5c11\uff0c\u56e0\u6b64\u4f3a\u670d\u5668\u81ea\u8eab\u5f15\u5165\u7684\u5ef6\u9072\u660e\u986f\u66f4\u9ad8\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u7576\u6e2c\u91cf\u63a1\u7528 sendfile()<\/code> \u9032\u884c\u6838\u5fc3\u7a7a\u9593\u8907\u88fd\u6642\uff0c\u958b\u92b7\u8f03\u4f4e\uff0c\u7d50\u679c\u4e5f\u66f4\u4e0d\u5bb9\u6613\u53d7\u5230\u4f3a\u670d\u5668\u8ca0\u8f09\u7684\u5f71\u97ff\u3002<\/p><\/blockquote>\n

\u5c07\u9019\u5169\u985e\u8a0a\u865f\u7d50\u5408\u8d77\u4f86\uff0c\u5c31\u80fd\u66b4\u9732\u771f\u6b63\u7684\u74f6\u9838\u3002\u5982\u679c\u5ef6\u9072\u8b80\u6578\u504f\u9ad8\uff0c\u4f46 NIC \u8a08\u6578\u5668\u5065\u5eb7\uff0c\u90a3\u9ebc\u554f\u984c\u5f80\u5f80\u4e0d\u5728\u93c8\u8def\u6545\u969c\uff0c\u800c\u5728\u8edf\u9ad4\u6210\u672c\u3002\u6e1b\u5c11\u7cfb\u7d71\u547c\u53eb\u3001\u91cd\u7528\u9023\u7dda\u3001\u63a1\u7528\u6838\u5fc3\u614b\u8907\u88fd\uff0c\u90fd\u662f\u7de9\u89e3\u4f3a\u670d\u5668\u6548\u80fd\u58d3\u529b\u7684\u6709\u6548\u624b\u6bb5\u3002\u9019\u4e9b\u6700\u4f73\u5316\u7121\u9700\u5347\u7d1a\u786c\u9ad4\uff0c\u4e5f\u80fd\u986f\u8457\u63d0\u5347\u901f\u5ea6\u3002<\/p>\n

\u9650\u5236\u983b\u5bec\u7684\u8a2d\u5b9a\u554f\u984c<\/strong><\/h2>\n

\u96d9\u5de5\u3001MTU\u3001\u5378\u8f09\u8207\u4f47\u5217\u8a2d\u5b9a<\/h3>\n

\u8a2d\u5b9a\u932f\u8aa4\u5c0d\u541e\u5410\u91cf\u7684\u9650\u5236\uff0c\u7d72\u6beb\u4e0d\u4e9e\u65bc\u786c\u9ad4\u8584\u5f31\u3002\u96d9\u5de5\u4e0d\u5339\u914d\u6703\u5c0e\u81f4\u6bcf\u6b21\u50b3\u8f38\u90fd\u767c\u751f\u91cd\u50b3\u3002\u93c8\u8def\u4e2d\u5145\u65a5\u8457\u91cd\u8907\u8cc7\u6599\u5c01\u5305\uff0c\u5f9e\u800c\u64e0\u4f54\u6709\u6548\u541e\u5410\u91cf\u3002\u7ba1\u7406\u54e1\u5728\u66f4\u63db NIC \u5f8c\uff0c\u5e38\u5e38\u6703\u5ffd\u7565\u9019\u500b\u8a2d\u5b9a\u3002<\/p>\n

\u6700\u5e38\u898b\u4e14\u6700\u5bb9\u6613\u88ab\u5ffd\u8996\u7684\u6311\u6230\uff0c\u662f\u7aef\u5230\u7aef\u76f8\u5bb9\u6027\u7684\u8981\u6c42\u3002\u8cc7\u6599\u8def\u5f91\u4e2d\u7684\u6bcf\u4e00\u53f0\u88dd\u7f6e\u2014\u2014\u4f3a\u670d\u5668\u3001\u4ea4\u63db\u5668\u3001\u8def\u7531\u5668\u548c\u7d42\u7aef\u2014\u2014\u90fd\u5fc5\u9808\u652f\u63f4\u6240\u9078\u7684 MTU\u3002\u5982\u679c\u5176\u4e2d\u4efb\u4f55\u4e00\u500b\u74b0\u7bc0\u4ecd\u904b\u4f5c\u5728\u9810\u8a2d\u7684 1500 \u4f4d\u5143\u7d44 MTU \u4e0a\uff0c\u5c31\u53ef\u80fd\u767c\u751f\u5206\u6bb5\uff0c\u751a\u81f3\u76f4\u63a5\u4e1f\u68c4\u5c01\u5305\uff0c\u5f9e\u800c\u964d\u4f4e\u6548\u80fd\u4e26\u5f15\u767c\u9023\u7dda\u554f\u984c\u3002<\/p>\n

NIC \u5378\u8f09\u8a2d\u5b9a\u4e5f\u6703\u5f71\u97ff\u4f3a\u670d\u5668\u6548\u80fd\u3002TSO\uff08TCP Segmentation Offload\uff09\u8207 GSO\uff08Generic Segmentation Offload\uff09\u6703\u628a\u5206\u6bb5\u5de5\u4f5c\u4ea4\u7d66 NIC \u8655\u7406\u3002RSS\uff08Receive Side Scaling\uff09\u5247\u6703\u628a\u63a5\u6536\u6d41\u91cf\u5206\u6563\u5230\u591a\u500b CPU \u4f47\u5217\u4e0a\u3002LRO \u4e5f\u6709\u5e6b\u52a9\uff0c\u4e0d\u904e\u4e26\u975e\u6240\u6709\u8cc7\u6599\u624b\u518a\u90fd\u6703\u5217\u51fa\u5b83\u3002<\/p>\n

\u4f47\u5217\u8a2d\u5b9a\u540c\u6a23\u91cd\u8981\u3002\u4e00\u500b\u4f47\u5217\u6578\u91cf\u904e\u5c11\u7684 NIC\uff0c\u7121\u6cd5\u628a\u8ca0\u8f09\u6709\u6548\u5206\u6524\u5230\u591a\u500b CPU \u6838\u5fc3\u3002\u74b0\u5f62\u7de9\u885d\u5340\u904e\u5c0f\uff0c\u5247\u6703\u5728\u7a81\u767c\u6d41\u91cf\u671f\u9593\u4e1f\u68c4\u5c01\u5305\uff0c\u8feb\u4f7f TCP \u91cd\u50b3\uff0c\u4e26\u62ac\u9ad8\u5ef6\u9072\u3002<\/p>\n

\u4f7f\u7528 ethtool \u8207 ip \u9032\u884c\u8a3a\u65b7<\/h3>\n

ethtool<\/code> \u53ef\u4ee5\u67e5\u770b\u9019\u4e9b\u8a2d\u5b9a\u7684\u76ee\u524d\u72c0\u614b\u3002\u4f7f\u7528 ethtool eth0<\/code> \u6aa2\u67e5\u901f\u7387\u8207\u96d9\u5de5\u6a21\u5f0f\u3002\u4f7f\u7528 ip link show<\/code> \u9a57\u8b49 MTU\u3002\u900f\u904e ethtool -k eth0<\/code> \u6aa2\u67e5\u5378\u8f09\u7279\u6027\u3002\u900f\u904e ethtool -g eth0<\/code> \u67e5\u770b\u74b0\u5f62\u7de9\u885d\u5340\u5927\u5c0f\u3002<\/p>\n

ip<\/code> \u6307\u4ee4\u5247\u662f\u9019\u4e9b\u6aa2\u67e5\u7684\u88dc\u5145\u3002\u82e5\u8def\u5f91\u4e0a\u7684\u6240\u6709\u88dd\u7f6e\u90fd\u652f\u63f4\u5de8\u578b\u8a0a\u6846\uff0c\u53ef\u4f7f\u7528 ip link set dev eth0 mtu 8500<\/code> \u555f\u7528 jumbo frames\u3002\u4e5f\u53ef\u4ee5\u900f\u904e ip link set txqueuelen<\/code> \u8abf\u6574\u50b3\u9001\u4f47\u5217\u9577\u5ea6\uff0c\u4ee5\u5438\u6536\u7a81\u767c\u6d41\u91cf\u3002<\/p>\n

\u6bcf\u6b21\u53ea\u4fee\u6539\u4e00\u500b\u8a2d\u5b9a\uff0c\u7136\u5f8c\u91cd\u65b0\u57f7\u884c iperf<\/code>\uff0c\u6bd4\u8f03\u4fee\u6539\u524d\u5f8c\u7684\u4f3a\u670d\u5668\u7db2\u8def\u983b\u5bec\u8868\u73fe\u3002\u5982\u679c\u541e\u5410\u91cf\u63d0\u5347\u4e86\uff0c\u8868\u793a\u8a72\u8a2d\u5b9a\u5c31\u662f\u74f6\u9838\uff1b\u5982\u679c\u6c92\u6709\u8b8a\u5316\uff0c\u5c31\u7e7c\u7e8c\u6392\u67e5\u4e0b\u4e00\u500b\u53ef\u7591\u9ede\u3002\u9019\u500b\u65b9\u6cd5\u9069\u7528\u65bc\u96d9\u5de5\u4e0d\u5339\u914d\u3001MTU \u6545\u969c\u4ee5\u53ca\u5378\u8f09\u8a2d\u5b9a\u932f\u8aa4\u7b49\u554f\u984c\u3002\u7d93\u904e\u6070\u7576\u8abf\u6821\u7684\u8a2d\u5b9a\uff0c\u5f80\u5f80\u80fd\u5e36\u4f86\u53ef\u91cf\u5316\u7684\u6548\u80fd\u63d0\u5347\u3002<\/p>\n

\u9650\u5236\u4f3a\u670d\u5668\u983b\u5bec\u7684\u5916\u90e8\u56e0\u7d20<\/strong><\/h2>\n

ISP \u58c5\u585e\u3001\u8def\u7531\u8207\u5171\u4eab\u93c8\u8def<\/h3>\n

\u5373\u4f7f\u4f3a\u670d\u5668\u672c\u8eab\u904b\u4f5c\u5b8c\u5168\u6b63\u5e38\uff0c\u7db2\u8def\u8def\u5f91\u672c\u8eab\u4e5f\u53ef\u80fd\u6210\u70ba\u74f6\u9838\u3002\u8cc7\u6599\u4e2d\u5fc3\u8207\u7d42\u7aef\u4f7f\u7528\u8005\u4e4b\u9593\u7684\u7db2\u969b\u7db2\u8def\u9023\u7dda\uff0c\u901a\u5e38\u6703\u7d93\u904e\u591a\u5bb6\u71df\u904b\u5546\u3002\u6cbf\u9014\u4efb\u4f55\u4e00\u5bb6\u71df\u904b\u5546\uff0c\u90fd\u53ef\u80fd\u58d3\u7e2e\u6574\u689d\u8def\u5f91\u4e0a\u7684\u5be6\u969b\u53ef\u7528\u983b\u5bec\u3002<\/p>\n

\u5728\u665a\u9ad8\u5cf0 7\u201311 PM \u671f\u9593\uff0c\u4e2d\u570b\u7684\u51fa\u7ad9\u7db2\u8def\u6d41\u91cf\u6703\u56e0\u5f71\u97f3\u4e32\u6d41\u3001\u904a\u6232\u3001\u4e0b\u8f09\u4ee5\u53ca\u8de8\u5883\u6d3b\u52d5\u800c\u986f\u8457\u4e0a\u5347\u3002\u9019\u7a2e\u9ad8\u8ca0\u8f09\u6703\u5c0e\u81f4 ISP \u7684\u570b\u969b\u51fa\u53e3\u9598\u9053\u58c5\u585e\u3002\u5373\u4f7f\u4f3a\u670d\u5668\u6216 CDN \u7bc0\u9ede\u672c\u8eab\u6548\u80fd\u826f\u597d\uff0c\u4e5f\u7121\u6cd5\u628a\u8cc7\u6599\u9806\u5229\u63a8\u51fa\u9019\u500b\u6700\u521d\u7684\u51fa\u7ad9\u8e8d\u9ede\uff0c\u6574\u689d\u9023\u7dda\u90fd\u6703\u56e0\u6b64\u53d7\u5f71\u97ff\u3002\u9019\u7a2e\u7db2\u8def\u58c5\u585e\u6703\u76f4\u63a5\u9650\u5236\u6d41\u91cf\u96e2\u958b\u7db2\u8def\u7684\u80fd\u529b\u3002<\/p>\n

\u8a31\u591a\u8cc7\u6599\u4e2d\u5fc3\u90fd\u6703\u5c0d\u4e0a\u884c\u93c8\u8def\u9032\u884c\u8d85\u552e\u3002\u4f3a\u670d\u5668\u9023\u63a5\u57e0\u6216\u8a31\u652f\u63f4 1 Gbps\uff0c\u4f46\u5171\u4eab\u4e0a\u884c\u93c8\u8def\u7684\u5be6\u969b\u541e\u5410\u91cf\u537b\u9060\u4f4e\u65bc\u9019\u500b\u6578\u5b57\u3002\u8def\u7531\u6c7a\u7b56\u9084\u6703\u9032\u4e00\u6b65\u589e\u52a0\u5ef6\u9072\u3002\u4e00\u500b\u8cc7\u6599\u5c01\u5305\u53ef\u80fd\u8981\u7d93\u904e\u5341\u500b\u751a\u81f3\u66f4\u591a\u8def\u7531\u5668\u624d\u80fd\u5230\u9054\u76ee\u7684\u5730\u3002\u53ea\u8981\u5176\u4e2d\u4efb\u4f55\u4e00\u500b\u8def\u7531\u5668\u767c\u751f\u58c5\u585e\uff0c\u4f3a\u670d\u5668\u5c31\u4e0d\u5f97\u4e0d\u7b49\u5f85\u3002TCP \u96a8\u5f8c\u6703\u628a\u5c01\u5305\u907a\u5931\u6216\u9ad8\u5ef6\u9072\u89e3\u8b80\u70ba\u9700\u8981\u964d\u901f\u7684\u8a0a\u865f\u3002\u65bc\u662f\uff0c\u5be6\u969b\u7db2\u969b\u7db2\u8def\u901f\u5ea6\u4fbf\u6703\u9060\u4f4e\u65bc\u7db2\u969b\u7db2\u8def\u9023\u7dda\u7684\u6700\u5927\u7406\u8ad6\u5bb9\u91cf\u3002\u76e3\u63a7\u9762\u677f\u4e0a\u4e5f\u8a31\u986f\u793a\u983b\u5bec\u5229\u7528\u7387\u4e0d\u9ad8\uff0c\u4f46\u771f\u6b63\u7684\u6545\u969c\u9ede\u537b\u5728\u71df\u904b\u5546\u8def\u5f91\u4e0a\u3002<\/p>\n

\u4f7f\u7528 traceroute \u8207 iperf \u9032\u884c\u8a3a\u65b7<\/h3>\n

traceroute<\/code> \u53ef\u4ee5\u63ed\u793a\u8def\u5f91\u60c5\u6cc1\u3002\u5b83\u6703\u5217\u51fa\u4f3a\u670d\u5668\u8207\u76ee\u6a19\u4e4b\u9593\u7d93\u904e\u7684\u6bcf\u4e00\u53f0\u8def\u7531\u5668\uff0c\u4ee5\u53ca\u6bcf\u4e00\u8df3\u7684\u5f80\u8fd4\u5ef6\u9072\u3002\u67d0\u4e00\u8df3\u7684\u5f80\u8fd4\u5ef6\u9072\u7a81\u7136\u4e0a\u5347\uff0c\u5f80\u5f80\u5c31\u6a19\u793a\u51fa\u58c5\u585e\u767c\u751f\u7684\u8def\u6bb5\u3002<\/p>\n

iperf<\/code> \u5247\u53ef\u4ee5\u5224\u65b7\u554f\u984c\u5728\u4f3a\u670d\u5668\u5167\u90e8\u9084\u662f\u4f3a\u670d\u5668\u5916\u90e8\u3002\u5148\u5c0d\u540c\u4e00\u5340\u57df\u7db2\u8def\u4e2d\u7684\u4e3b\u6a5f\u57f7\u884c\u4e00\u6b21\u6e2c\u8a66\uff0c\u518d\u5c0d\u7db2\u969b\u7db2\u8def\u9060\u7aef\u4e3b\u6a5f\u57f7\u884c\u4e00\u6b21\u6e2c\u8a66\u3002\u5982\u679c\u672c\u5730\u6e2c\u8a66\u7d50\u679c\u5f88\u597d\uff0c\u800c\u9060\u7aef\u6e2c\u8a66\u8868\u73fe\u8f03\u5dee\uff0c\u90a3\u9ebc\u9650\u5236\u56e0\u7d20\u591a\u534a\u5728\u5ee3\u57df\u93c8\u8def\u4e0a\u3002\u4e5f\u53ef\u4ee5\u5728\u4e0d\u540c\u6642\u9593\u6bb5\u91cd\u8907\u6e2c\u8a66\u3002\u5982\u679c\u665a\u4e0a\u541e\u5410\u91cf\u660e\u986f\u4e0b\u964d\uff0c\u90a3\u9ebc\u58c5\u585e\u5c31\u662f\u4e3b\u8981\u539f\u56e0\u3002\u9019\u500b\u65b9\u6cd5\u80fd\u5920\u6e05\u695a\u5c55\u793a\u7db2\u8def\u901f\u5ea6\uff0c\u4e26\u6e96\u78ba\u6307\u51fa\u5be6\u969b\u5bb9\u91cf\u7a76\u7adf\u6d88\u5931\u5728\u4f55\u8655\u3002<\/p>\n

\n
<\/div>\n<\/div>\n

\u4f4e\u5229\u7528\u7387\u4e26\u4e0d\u4e00\u5b9a\u8868\u793a\u6709\u554f\u984c\u3002\u9996\u5148\u61c9\u78ba\u8a8d\u7684\u662f\uff1a\u61c9\u7528\u7a0b\u5f0f\u662f\u5426\u771f\u7684\u9700\u8981\u66f4\u591a\u983b\u5bec\u3002\u5c0d\u65bc\u5ef6\u9072\u654f\u611f\u578b\u670d\u52d9\u800c\u8a00\uff0c\u93c8\u8def\u5b58\u5728\u9592\u7f6e\u5bb9\u91cf\u5b8c\u5168\u53ef\u80fd\u662f\u6b63\u5e38\u73fe\u8c61\u3002<\/p>\n

\u74f6\u9838\u5927\u81f4\u53ef\u4ee5\u6b78\u70ba\u4e94\u985e\uff1a\u61c9\u7528\u7a0b\u5f0f\u9700\u6c42\u3001\u786c\u9ad4\u3001\u8edf\u9ad4\u958b\u92b7\u3001\u8a2d\u5b9a\u554f\u984c\u4ee5\u53ca\u5916\u90e8\u7db2\u8def\u3002\u7ba1\u7406\u54e1\u61c9\u5148\u8b58\u5225\u81ea\u5df1\u7684\u5de5\u4f5c\u8ca0\u8f09\u5c6c\u65bc\u5ef6\u9072\u654f\u611f\u578b\u3001\u541e\u5410\u5bc6\u96c6\u578b\uff0c\u9084\u662f\u5169\u8005\u6df7\u5408\u578b\u3002<\/p>\n

\u7cfb\u7d71\u5316\u7684\u65b9\u6cd5\u59cb\u7d42\u6700\u6709\u6548\uff1a\u5148\u6e2c\u91cf\u771f\u5be6\u541e\u5410\u91cf\uff0c\u518d\u6aa2\u67e5\u786c\u9ad4\u8a08\u6578\u5668\uff0c\u6aa2\u8996\u5354\u5b9a\u884c\u70ba\uff0c\u9a57\u8b49\u8a2d\u5b9a\uff0c\u6700\u5f8c\u6e2c\u8a66\u5916\u90e8\u8def\u5f91\u3002\u76f8\u6bd4\u4e00\u5473\u8a66\u5716\u628a\u66f4\u591a\u6d41\u91cf\u58d3\u9032 NIC\uff0c\u6b63\u78ba\u7684\u76e3\u63a7\u8207\u6f38\u9032\u5f0f\u8abf\u6574\u66f4\u6709\u50f9\u503c\u3002\u6bcf\u4e00\u6b21\u6539\u52d5\uff0c\u90fd\u80fd\u5e6b\u52a9\u5224\u65b7\u983b\u5bec\u63d0\u5347\u7a76\u7adf\u662f\u771f\u5be6\u7684\uff0c\u9084\u662f\u8868\u9762\u7684\u932f\u89ba\u3002<\/p>\n

\u5e38\u898b\u554f\u984c\u89e3\u7b54<\/strong><\/h2>\n

\u5718\u968a\u61c9\u5982\u4f55\u7406\u89e3\u983b\u5bec\u8b80\u6578\u504f\u4f4e\uff1f<\/h3>\n

\u7576\u61c9\u7528\u7a0b\u5f0f\u9700\u8981\u7b49\u5f85\u56de\u61c9\u6642\uff0c\u983b\u5bec\u8b80\u6578\u504f\u4f4e\u4e26\u7121\u5bb3\u8655\u3002\u4e00\u500b\u5c0d\u5ef6\u9072\u654f\u611f\u7684\u8cc7\u6599\u5eab\uff0c\u672c\u4f86\u5c31\u6703\u8b93\u93c8\u8def\u4fdd\u6709\u8f03\u591a\u9592\u7f6e\u3002\u5982\u679c\u5927\u6a94\u6848\u50b3\u8f38\u540c\u6a23\u7de9\u6162\uff0c\u90a3\u5c31\u61c9\u6aa2\u67e5\u786c\u9ad4\u8207\u8a2d\u5b9a\u3002<\/p>\n

CPU \u8655\u7406\u80fd\u529b\u6703\u8a2d\u5b9a\u541e\u5410\u4e0a\u9650\u55ce\uff1f<\/h3>\n

\u6703\u3002\u8655\u7406\u5668\u8981\u7ba1\u7406\u6bcf\u4e00\u500b\u8cc7\u6599\u5c01\u5305\uff0c\u4e26\u5c07\u8cc7\u6599\u8907\u88fd\u5230\u4f7f\u7528\u8005\u7a7a\u9593\u3002\u82e5 CPU \u9031\u671f\u88ab\u8017\u76e1\uff0cNIC \u5c31\u6703\u56e0\u5f97\u4e0d\u5230\u8db3\u5920\u8655\u7406\u652f\u63f4\u800c\u7121\u6cd5\u7e7c\u7e8c\u63a8\u9001\u66f4\u591a\u6d41\u91cf\u3002\u6e1b\u5c11\u7cfb\u7d71\u547c\u53eb\u6216\u4f7f\u7528 sendfile()<\/code>\uff0c\u90fd\u53ef\u4ee5\u91cb\u653e\u8cc7\u6e90\u3002<\/p>\n

\u6e2c\u8a66\u5982\u4f55\u5340\u5206\u4f3a\u670d\u5668\u9650\u5236\u8207\u5916\u90e8\u7db2\u8def\u554f\u984c\uff1f<\/h3>\n

\u5148\u5c0d\u672c\u5730\u4e3b\u6a5f\u57f7\u884c iperf<\/code>\uff0c\u518d\u6e2c\u8a66\u9060\u7aef\u4e3b\u6a5f\u3002\u5982\u679c\u672c\u5730\u541e\u5410\u91cf\u826f\u597d\u800c\u9060\u7aef\u8b80\u6578\u8f03\u5dee\uff0c\u90a3\u9ebc\u554f\u984c\u591a\u534a\u51fa\u5728\u7db2\u8def\u8def\u5f91\u6216\u71df\u904b\u5546\u58c5\u585e\uff0c\u800c\u4e0d\u662f\u4f3a\u670d\u5668\u672c\u8eab\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u5feb\u901f NIC \u4ecd\u7136\u9054\u4e0d\u5230\u7dda\u901f\uff1f<\/h3>\n

\u5373\u4f7f NIC \u5f88\u5feb\uff0c\u983b\u5bec\u4e5f\u53ef\u80fd\u88ab\u5176\u4ed6\u5143\u4ef6\u5361\u4f4f\u3002\u7de9\u6162\u7684\u78c1\u789f\u6216\u7e41\u5fd9\u7684 CPU \u90fd\u6703\u8b93\u7db2\u5361\u300c\u5403\u4e0d\u98fd\u300d\u3002\u6aa2\u67e5 ethtool<\/code> \u8a08\u6578\u5668\uff0c\u4e26\u57f7\u884c iperf<\/code>\uff0c\u5c31\u80fd\u66f4\u597d\u5730\u5b9a\u4f4d\u9650\u5236\u6240\u5728\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4f3a\u670d\u5668\u7684\u7db2\u8def\u4ecb\u9762\u5361\u5373\u4f7f\u5177\u5099 10 Gbps \u7684\u9ad8\u901f\u80fd\u529b\uff0c\u5be6\u969b\u696d\u52d9\u6d41\u91cf\u5f80\u5f80\u4e5f\u53ea\u4f7f\u7528\u5176\u4e2d\u5f88\u5c0f\u4e00\u90e8\u5206\u5bb9\u91cf\u3002\u9019\u7a2e\u843d\u5dee\u8b93 […]<\/p>\n

Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":35200,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[13777,13778,13779,9775,362],"class_list":["post-35203","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-nic-diagnostics","tag-iperf-testing","tag-tcp-ip-stack","tag-network-performance-optimization","tag-server-bandwidth-tc"],"acf":[],"yoast_head":"\n\u70ba\u4ec0\u9ebc\u4f3a\u670d\u5668\u4e0a\u7684\u7db2\u8def\u983b\u5bec\u6c92\u6709\u88ab\u5145\u5206\u5229\u7528<\/title>\n<meta name=\"description\" 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