{"id":19499,"date":"2024-09-17T16:34:20","date_gmt":"2024-09-17T08:34:20","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/bare-metal-vs-cloud-servers-key-differences\/"},"modified":"2025-04-08T16:38:57","modified_gmt":"2025-04-08T08:38:57","slug":"bare-metal-vs-cloud-servers-key-differences","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/bare-metal-vs-cloud-servers-key-differences\/","title":{"rendered":"\u88f8\u6a5f\u4f3a\u670d\u5668\u8207\u96f2\u7aef\u4f3a\u670d\u5668\u7684\u4e3b\u8981\u5340\u5225"},"content":{"rendered":"

\u7406\u89e3\u4f3a\u670d\u5668\u57fa\u790e\u8a2d\u65bd\u57fa\u672c\u539f\u7406<\/strong><\/h2>\n

\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u89e3\u6c7a\u65b9\u6848<\/a>\u9818\u57df\uff0c\u5728\u88f8\u6a5f\u4f3a\u670d\u5668\u548c\u96f2\u7aef\u4f3a\u670d\u5668\u4e4b\u9593\u505a\u51fa\u9078\u64c7\u662f\u4e00\u500b\u5f71\u97ff\u6548\u80fd\u3001\u53ef\u64f4\u5c55\u6027\u548c\u6210\u672c\u6548\u76ca\u7684\u95dc\u9375\u6280\u8853\u6c7a\u7b56\u3002\u672c\u6df1\u5165\u5206\u6790\u5c07\u57fa\u65bc\u5be6\u969b\u90e8\u7f72\u5834\u666f\uff0c\u7814\u7a76\u9019\u4e9b\u4f3a\u670d\u5668\u6280\u8853\u7684\u67b6\u69cb\u5dee\u7570\u3001\u6548\u80fd\u57fa\u6e96\u548c\u4f7f\u7528\u6848\u4f8b\u3002<\/p>\n

\u88f8\u6a5f\u4f3a\u670d\u5668\u67b6\u69cb<\/strong><\/h2>\n

\u88f8\u6a5f\u4f3a\u670d\u5668\uff0c\u4e5f\u7a31\u70ba\u5c08\u7528\u5be6\u9ad4\u4f3a\u670d\u5668\uff0c\u63d0\u4f9b\u7121\u865b\u64ec\u5316\u5c64\u7684\u76f4\u63a5\u786c\u9ad4\u5b58\u53d6\u3002\u8b93\u6211\u5011\u4f86\u770b\u770b\u5178\u578b\u7684\u88f8\u6a5f\u4f3a\u670d\u5668\u914d\u7f6e\uff1a<\/p>\n

\r\n# \u88f8\u6a5f\u4f3a\u670d\u5668\u898f\u683c\u793a\u4f8b\r\nCPU: Intel Xeon or AMD EPYC\r\nRAM: 384GB DDR4 ECC\r\n\u5132\u5b58: 2x 1.92TB NVMe SSD (RAID 1)\r\n\u7db2\u8def: 2x 25GbE\u4ecb\u9762\r\n\u96fb\u6e90: \u96d9\u5197\u9918\u96fb\u6e90\r\n<\/code><\/pre>\n
\u96f2\u7aef\u4f3a\u670d\u5668\u865b\u64ec\u5316\u6280\u8853\u6df1\u5ea6\u89e3\u6790<\/strong><\/h2>\n
\u96f2\u7aef\u4f3a\u670d\u5668\u904b\u884c\u5728\u5c0d\u5be6\u9ad4\u8cc7\u6e90\u9032\u884c\u62bd\u8c61\u5316\u7684\u865b\u64ec\u5316\u6280\u8853\u4e0a\u3002\u4ee5\u4e0b\u662f\u865b\u64ec\u5316\u5806\u758a\u7684\u6280\u8853\u7d30\u5206\uff1a<\/p>\n
\r\n# \u5178\u578b\u96f2\u7aef\u4f3a\u670d\u5668\u865b\u64ec\u5316\u5806\u758a\r\n\u786c\u9ad4\u5c64\r\n\u2514\u2500\u2500 \u865b\u64ec\u6a5f\u76e3\u63a7\u7a0b\u5f0f(Type 1)\r\n    \u251c\u2500\u2500 \u8cc7\u6e90\u6392\u7a0b\u5668\r\n    \u2502   \u251c\u2500\u2500 vCPU\u7ba1\u7406\r\n    \u2502   \u251c\u2500\u2500 \u8a18\u61b6\u9ad4\u7ba1\u7406\r\n    \u2502   \u2514\u2500\u2500 I\/O\u7ba1\u7406\r\n    \u2514\u2500\u2500 \u865b\u64ec\u6a5f\r\n        \u251c\u2500\u2500 \u8a2a\u5ba2\u4f5c\u696d\u7cfb\u7d71\r\n        \u251c\u2500\u2500 \u865b\u64ec\u7db2\u5361\r\n        \u2514\u2500\u2500 \u865b\u64ec\u5132\u5b58\r\n<\/code><\/pre>\n
\u6548\u80fd\u5206\u6790\uff1a\u88f8\u6a5f\u8207\u96f2\u7aef\u4f3a\u670d\u5668\u5c0d\u6bd4<\/strong><\/h2>\n
\u8b93\u6211\u5011\u57fa\u65bc\u9999\u6e2f\u8cc7\u6599\u4e2d\u5fc3\u7684\u57fa\u6e96\u6e2c\u8a66\u4f86\u6aa2\u67e5\u5be6\u969b\u6548\u80fd\u6307\u6a19\uff1a<\/p>\n
\r\n# CPU\u6548\u80fd\u5c0d\u6bd4(Sysbench)\r\n\u88f8\u6a5f: 89,245 \u4e8b\u4ef6\/\u79d2\r\n\u96f2\u7aef\u4f3a\u670d\u5668(8 vCPU): 76,123 \u4e8b\u4ef6\/\u79d2\r\n\u6548\u80fd\u5dee\u7570: ~15%\r\n\r\n# I\/O\u6548\u80fd(FIO Random 4K)\r\n\u88f8\u6a5f: 125,000 IOPS\r\n\u96f2\u7aef\u4f3a\u670d\u5668(\u9032\u968e\u5132\u5b58): 75,000 IOPS\r\n\u6548\u80fd\u5dee\u7570: ~40%\r\n<\/code><\/pre>\n
\u7db2\u8def\u67b6\u69cb\u5dee\u7570<\/strong><\/h2>\n
\u5728\u9999\u6e2f\u7684\u9ad8\u983b\u4ea4\u6613\u74b0\u5883\u4e2d\uff0c\u7db2\u8def\u5ef6\u9072\u6210\u70ba\u7db2\u8def\u5806\u758a\u5728\u88f8\u6a5f\u548c\u96f2\u7aef\u4f3a\u670d\u5668\u79df\u7528\u89e3\u6c7a\u65b9\u6848\u4e4b\u9593\u7684\u95dc\u9375\u5340\u5225\uff1a<\/p>\n
\r\n# \u7db2\u8def\u5ef6\u9072\u5c0d\u6bd4(\u9999\u6e2f\u5230\u6771\u4eac)\r\n\u88f8\u6a5f\u76f4\u63a5\u9023\u63a5: 35ms\r\n\u96f2\u7aef\u7db2\u8def\u8207SDN: 42ms\r\n\u984d\u5916\u958b\u92b7: 7ms\r\n\r\n# \u6700\u5927\u7db2\u8def\u8655\u7406\u91cf\r\n\u88f8\u6a5f(25GbE): 25Gbps\u6301\u7e8c\r\n\u96f2\u7aef\u4f3a\u670d\u5668(\u5171\u4eab): 10Gbps\u7a81\u767c\uff0c5Gbps\u6301\u7e8c\r\n<\/code><\/pre>\n
\u8cc7\u6e90\u7ba1\u7406\u548c\u64f4\u5c55\u6a5f\u5236<\/strong><\/h2>\n
\u4e86\u89e3\u5e95\u5c64\u8cc7\u6e90\u914d\u7f6e\u6a5f\u5236\u63ed\u793a\u4e86\u4f3a\u670d\u5668\u79df\u7528\u89e3\u6c7a\u65b9\u6848\u7684\u95dc\u9375\u67b6\u69cb\u5dee\u7570\uff1a<\/p>\n
\r\n# \u88f8\u6a5f\u8cc7\u6e90\u914d\u7f6e\r\nCPU: \u76f4\u63a5\u5be6\u9ad4\u6838\u5fc3\u5b58\u53d6\r\n    \u2514\u2500\u2500 \u7121\u865b\u64ec\u6a5f\u76e3\u63a7\u5668\u958b\u92b7\r\n    \u2514\u2500\u2500 \u53ef\u9810\u6e2c\u6548\u80fd\r\n\r\n# \u96f2\u7aef\u8cc7\u6e90\u914d\u7f6e\r\nvCPU: \u6642\u9593\u7247\u5b58\u53d6\r\n    \u251c\u2500\u2500 \u865b\u64ec\u6a5f\u76e3\u63a7\u5668\u6392\u7a0b\r\n    \u2502   \u2514\u2500\u2500 CPU\u5360\u7528\u6642\u9593: 0-5%\r\n    \u2514\u2500\u2500 \u55a7\u9b27\u9130\u5c45\u5f71\u97ff\r\n        \u2514\u2500\u2500 \u6548\u80fd\u6ce2\u52d5: 10-15%\r\n<\/code><\/pre>\n
\u9999\u6e2f\u90e8\u7f72\u7684\u6210\u672c\u6548\u76ca\u5206\u6790<\/strong><\/h2>\n
\u57fa\u65bc\u9999\u6e2f\u4f3a\u670d\u5668\u74b0\u5883\u4e2d\u5be6\u969b\u90e8\u7f72\u5834\u666f\u7684\u6280\u8853\u6210\u672c\u5206\u6790\uff1a<\/p>\n
\r\n# \u6708\u5ea6\u7e3d\u64c1\u6709\u6210\u672c\u5c0d\u6bd4(\u9ad8\u6548\u80fd\u914d\u7f6e)\r\n\u88f8\u6a5f\u4f3a\u670d\u5668:\r\n    \u57fa\u790e\u786c\u9ad4: $1,200\r\n    \u7db2\u8def: $300\r\n    \u96fb\u529b\/\u51b7\u537b: $200\r\n    \u7ba1\u7406: $150\r\n    \u7e3d\u8a08: $1,850\r\n\r\n\u540c\u7b49\u96f2\u7aef\u4f3a\u670d\u5668:\r\n    \u904b\u7b97: $950\r\n    \u5132\u5b58: $400\r\n    \u7db2\u8def: $300\r\n    \u7ba1\u7406: $100\r\n    \u5f48\u6027\u6ea2\u50f9: $200\r\n    \u7e3d\u8a08: $1,950\r\n<\/code><\/pre>\n
\u4f7f\u7528\u6848\u4f8b\uff1a\u9ad8\u6548\u80fd\u8cc7\u6599\u5eab\u90e8\u7f72<\/strong><\/h2>\n
\u5206\u6790PostgreSQL\u7684\u5be6\u969b\u90e8\u7f72\u5834\u666f\u53ca\u6280\u8853\u6307\u6a19\uff1a<\/p>\n
\r\n# PostgreSQL\u6548\u80fd\u57fa\u6e96\u6e2c\u8a66\r\n\u8cc7\u6599\u96c6: 500GB\r\n\u4e26\u767c\u4f7f\u7528\u8005: 1000\r\n\r\n\u88f8\u6a5f\u914d\u7f6e:\r\n    TPS(\u4ea4\u6613\/\u79d2): 3,500\r\n    \u5e73\u5747\u5ef6\u9072: 15ms\r\n    99\u767e\u5206\u4f4d: 45ms\r\n\r\n\u96f2\u7aef\u914d\u7f6e:\r\n    TPS(\u4ea4\u6613\/\u79d2): 2,800\r\n    \u5e73\u5747\u5ef6\u9072: 25ms\r\n    99\u767e\u5206\u4f4d: 75ms\r\n<\/code><\/pre>\n
\u5b89\u5168\u548c\u9694\u96e2\u67b6\u69cb<\/strong><\/h2>\n
\u88f8\u6a5f\u548c\u96f2\u7aef\u4f3a\u670d\u5668\u79df\u7528\u67b6\u69cb\u7684\u5b89\u5168\u5be6\u73fe\u6709\u986f\u8457\u5dee\u7570\uff1a<\/p>\n
\r\n# \u88f8\u6a5f\u5b89\u5168\u5806\u758a\r\n\u5be6\u9ad4\u5c64:\r\n    \u251c\u2500\u2500 \u786c\u9ad4\u4fe1\u4efb\u6839\r\n    \u251c\u2500\u2500 TPM 2.0\r\n    \u2514\u2500\u2500 \u5b89\u5168\u555f\u52d5\r\n\r\n\u7db2\u8def\u5b89\u5168:\r\n    \u251c\u2500\u2500 \u5c08\u7528VLAN\r\n    \u251c\u2500\u2500 \u786c\u9ad4\u9632\u706b\u7246\r\n    \u2514\u2500\u2500 DDoS\u9632\u8b77(400 Gbps)\r\n\r\n# \u96f2\u7aef\u5b89\u5168\u5be6\u73fe\r\n\u865b\u64ec\u5316\u5b89\u5168:\r\n    \u251c\u2500\u2500 \u865b\u64ec\u6a5f\u76e3\u63a7\u5668\u9694\u96e2\r\n    \u251c\u2500\u2500 \u865b\u64ecTPM\r\n    \u2514\u2500\u2500 \u5de2\u72c0\u865b\u64ec\u5316\r\n\r\n\u7db2\u8def\u5b89\u5168:\r\n    \u251c\u2500\u2500 \u865b\u64ec\u9632\u706b\u7246\r\n    \u251c\u2500\u2500 \u5b89\u5168\u7fa4\u7d44\r\n    \u2514\u2500\u2500 DDoS\u9632\u8b77(\u5171\u4eab\u6c60)\r\n<\/code><\/pre>\n
\u90e8\u7f72\u81ea\u52d5\u5316\u5c0d\u6bd4<\/strong><\/h2>\n
\u73fe\u4ee3\u4f3a\u670d\u5668\u74b0\u5883\u9700\u8981\u9ad8\u6548\u7684\u90e8\u7f72\u7b56\u7565\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u57fa\u790e\u8a2d\u65bd\u5373\u7a0b\u5f0f\u78bc\u7684\u5be6\u969b\u793a\u4f8b\uff1a<\/p>\n
\r\n# \u88f8\u6a5f\u90e8\u7f72(\u91d1\u5c6c\u5373\u670d\u52d9)\r\nmaas deploy:\r\n  hardware:\r\n    cpu: \"Intel-6248R\"\r\n    ram: \"384GB\"\r\n    storage: \"2x1.92TB_NVMe\"\r\n  network:\r\n    bandwidth: \"25Gbps\"\r\n    public_ips: 2\r\n    \r\n# \u96f2\u7aef\u4f3a\u670d\u5668\u90e8\u7f72(Terraform)\r\nresource \"cloud_instance\" \"web_server\" {\r\n  instance_type = \"c5.4xlarge\"\r\n  disk {\r\n    size = \"500\"\r\n    type = \"premium_ssd\"\r\n  }\r\n  network {\r\n    bandwidth = \"10Gbps\"\r\n    floating_ip = true\r\n  }\r\n}\r\n<\/code><\/pre>\n
\u9077\u79fb\u8003\u616e\u56e0\u7d20\u548c\u6280\u8853\u6311\u6230<\/strong><\/h2>\n
\u5728\u9999\u6e2f\u8cc7\u6599\u4e2d\u5fc3\u7684\u5e73\u53f0\u4e4b\u9593\u9032\u884c\u9077\u79fb\u6642\uff0c\u8acb\u8003\u616e\u4ee5\u4e0b\u6280\u8853\u6307\u6a19\uff1a<\/p>\n
\r\n# \u9077\u79fb\u8907\u96dc\u6027\u5206\u6790\r\n\u8cc7\u6599\u50b3\u8f38\u6642\u9593(500GB):\r\n    \u5167\u90e8\u7db2\u8def: 1.2\u5c0f\u6642\r\n    \u8de8\u5e73\u53f0: 4.5\u5c0f\u6642\r\n\r\n\u670d\u52d9\u505c\u6a5f\u6642\u9593:\r\n    \u88f8\u6a5f\u5230\u96f2\u7aef: 2-4\u5c0f\u6642\r\n    \u96f2\u7aef\u5230\u88f8\u6a5f: 3-6\u5c0f\u6642\r\n\r\n\u7db2\u8def\u91cd\u914d\u7f6e:\r\n    DNS\u50b3\u64ad: 0.5-4\u5c0f\u6642\r\n    BGP\u6536\u6582: 5-15\u5206\u9418\r\n<\/code><\/pre>\n
\u6548\u80fd\u6700\u4f73\u5316\u6280\u8853<\/strong><\/h2>\n
\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u74b0\u5883\u4e2d\u5be6\u65bd\u5e73\u53f0\u7279\u5b9a\u7684\u6700\u4f73\u5316\u53ef\u986f\u8457\u5f71\u97ff\u6548\u80fd\uff1a<\/p>\n
\r\n# \u88f8\u6a5f\u6700\u4f73\u5316\r\nBIOS\u8a2d\u5b9a:\r\n    \u96fb\u6e90\u914d\u7f6e: \u6548\u80fd\u6a21\u5f0f\r\n    C-States: \u5df2\u505c\u7528\r\n    \u8d85\u57f7\u884c\u7dd2: \u5df2\u555f\u7528\r\n    NUMA: \u5df2\u555f\u7528\r\n\r\n\u6838\u5fc3\u53c3\u6578:\r\n    transparent_hugepage=always\r\n    processor.max_cstate=1\r\n    intel_idle.max_cstate=0\r\n\r\n# \u96f2\u7aef\u57f7\u884c\u500b\u9ad4\u6700\u4f73\u5316\r\n\u57f7\u884c\u500b\u9ad4\u653e\u7f6e:\r\n    spread_placement=true\r\n    availability_zone=HK-1a\r\n    placement_group=performance\r\n\r\n\u5132\u5b58\u914d\u7f6e:\r\n    provisioned_iops=20000\r\n    volume_type=io2\r\n    multi_attach=disabled\r\n<\/code><\/pre>\n
\u9999\u6e2f\u90e8\u7f72\u6c7a\u7b56\u6846\u67b6<\/strong><\/h2>\n
\u57fa\u65bc\u4ee5\u4e0b\u53ef\u91cf\u5316\u6307\u6a19\u505a\u51fa\u4f3a\u670d\u5668\u79df\u7528\u89e3\u6c7a\u65b9\u6848\u6c7a\u7b56\uff1a<\/p>\n
\r\n# \u6280\u8853\u9700\u6c42\u77e9\u9663\r\n\u6548\u80fd\u9700\u6c42:\r\n    \u9ad8\u512a\u5148\u7d1a:\r\n        \u251c\u2500\u2500 \u7a69\u5b9a < 1ms\u5ef6\u9072\r\n        \u251c\u2500\u2500 100k+ IOPS\r\n        \u2514\u2500\u2500 \u9078\u64c7\u88f8\u6a5f\r\n\r\n\u53ef\u64f4\u5c55\u6027\u9700\u6c42:\r\n    \u9ad8\u512a\u5148\u7d1a:\r\n        \u251c\u2500\u2500 \u52d5\u614b\u5de5\u4f5c\u8ca0\u8f09\r\n        \u251c\u2500\u2500 \u81ea\u52d5\u64f4\u5c55\r\n        \u2514\u2500\u2500 \u9078\u64c7\u96f2\u7aef\u4f3a\u670d\u5668\r\n\r\n\u9810\u7b97\u9650\u5236:\r\n    \u56fa\u5b9a\u5de5\u4f5c\u8ca0\u8f09: \u88f8\u6a5f\r\n    \u53ef\u8b8a\u5de5\u4f5c\u8ca0\u8f09: \u96f2\u7aef\u4f3a\u670d\u5668\r\n<\/code><\/pre>\n
\u7d50\u8ad6\u548c\u672a\u4f86\u8da8\u52e2<\/strong><\/h2>\n
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\u7406\u89e3\u4f3a\u670d\u5668\u57fa\u790e\u8a2d\u65bd\u57fa\u672c\u539f\u7406 \u5728\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u89e3\u6c7a\u65b9\u6848\u9818\u57df\uff0c\u5728\u88f8\u6a5f\u4f3a\u670d\u5668\u548c\u96f2\u7aef\u4f3a\u670d\u5668\u4e4b\u9593\u505a\u51fa\u9078\u64c7\u662f\u4e00\u500b\u5f71\u97ff\u6548\u80fd\u3001 […]<\/p>\n
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