\u8b93\u6211\u5011\u5206\u6790\u9ad8\u6548\u80fd\u4e32\u6d41\u5a92\u9ad4\u4f3a\u670d\u5668\u6240\u9700\u7684\u6280\u8853\u5806\u758a\uff1a<\/p>\n

\r\n# \u6700\u4f4e\u4f3a\u670d\u5668\u898f\u683c\r\nCPU: Intel Xeon E-2288G \u6216 AMD EPYC 7302P\r\nRAM: 64GB DDR4 ECC\r\n\u5132\u5b58: 2TB NVMe SSD (\u4f5c\u696d\u7cfb\u7d71 + \u5feb\u53d6) + 20TB \u4f01\u696d\u7d1a\u786c\u789f (\u5167\u5bb9\u5132\u5b58)\r\n\u7db2\u8def: 1Gbps \u5c08\u7528\u4e0a\u884c\u9023\u7d50 (\u53ef\u7a81\u767c\u81f3 10Gbps)\r\n<\/code><\/pre>\n
\u7db2\u8def\u67b6\u69cb\u6df1\u5ea6\u89e3\u6790<\/strong><\/h2>\n
\u70ba\u5be6\u73fe\u6700\u4f73\u4e32\u6d41\u5a92\u9ad4\u6548\u80fd\uff0c\u9700\u5be6\u65bd\u591a\u5c64\u7db2\u8def\u67b6\u69cb\uff1a<\/p>\n
\r\n# \u7db2\u8def\u914d\u7f6e\u793a\u4f8b\r\nupstream streaming_backend {\r\n    server backend1.example.com:8080 weight=5;\r\n    server backend2.example.com:8080 weight=5;\r\n    keepalive 32;\r\n}\r\n\r\nserver {\r\n    listen 80;\r\n    server_name streaming.example.com;\r\n    \r\n    location \/content\/ {\r\n        proxy_pass http:\/\/streaming_backend;\r\n        proxy_buffering on;\r\n        proxy_buffer_size 16k;\r\n        proxy_buffers 8 16k;\r\n        proxy_cache_valid 200 60m;\r\n    }\r\n}\r\n<\/code><\/pre>\n
\u5132\u5b58\u7b56\u7565\u548cRAID\u914d\u7f6e<\/strong><\/h2>\n
\u5be6\u65bd\u7d50\u5408SSD\u548cHDD\u7684\u6df7\u5408\u5132\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u63a1\u7528\u6700\u512aRAID\u914d\u7f6e\uff1a<\/p>\n\n\n\n\n\n
\u5132\u5b58\u985e\u578b<\/th>\n
RAID\u7b49\u7d1a<\/th>\n
\u7528\u9014<\/th>\n<\/tr>\n
NVMe SSD<\/td>\n
RAID 1<\/td>\n
\u4f5c\u696d\u7cfb\u7d71 + \u5feb\u53d6<\/td>\n<\/tr>\n
\u4f01\u696d\u7d1aHDD<\/td>\n
RAID 6<\/td>\n
\u5167\u5bb9\u5132\u5b58<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
CDN\u6574\u5408\u548c\u908a\u7de3\u904b\u7b97<\/strong><\/h2>\n
\u5728\u6230\u7565\u4f4d\u7f6e\u90e8\u7f72\u908a\u7de3\u4f3a\u670d\u5668\u4ee5\u964d\u4f4e\u5ef6\u9072\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u908a\u7de3\u914d\u7f6e\uff1a<\/p>\n
\r\n# \u908a\u7de3\u4f3a\u670d\u5668\u914d\u7f6e\r\nlocation ~* \\.(mp4|m4v|webm)$ {\r\n    slice 1m;\r\n    slice_buffer_size 2m;\r\n    \r\n    proxy_cache video_cache;\r\n    proxy_cache_valid 200 72h;\r\n    proxy_cache_use_stale error timeout http_500 http_502 http_503 http_504;\r\n    proxy_cache_lock on;\r\n    \r\n    proxy_set_header Host $host;\r\n    proxy_set_header X-Real-IP $remote_addr;\r\n    \r\n    add_header X-Cache-Status $upstream_cache_status;\r\n}\r\n<\/code><\/pre>\n
\u6548\u80fd\u512a\u5316\u6280\u8853<\/strong><\/h2>\n
\u5be6\u65bd\u4ee5\u4e0b\u6838\u5fc3\u7d1a\u512a\u5316\u4ee5\u7372\u5f97\u6700\u5927\u541e\u5410\u91cf\uff1a<\/p>\n
\r\n# \u7cfb\u7d71\u8abf\u512a\u53c3\u6578\r\nnet.core.rmem_max = 16777216\r\nnet.core.wmem_max = 16777216\r\nnet.ipv4.tcp_rmem = 4096 87380 16777216\r\nnet.ipv4.tcp_wmem = 4096 65536 16777216\r\nnet.ipv4.tcp_max_syn_backlog = 4096\r\nnet.core.netdev_max_backlog = 50000\r\n<\/code><\/pre>\n
\u76e3\u63a7\u548c\u5206\u6790\u5be6\u65bd<\/strong><\/h2>\n
\u4f7f\u7528Prometheus\u548cGrafana\u8a2d\u7f6e\u5168\u9762\u76e3\u63a7\uff1a<\/p>\n
\r\n# Prometheus\u914d\u7f6e\r\nscrape_configs:\r\n  - job_name: 'streaming_metrics'\r\n    static_configs:\r\n      - targets: ['localhost:9090']\r\n    metrics_path: '\/metrics'\r\n    scheme: 'http'\r\n    scrape_interval: 15s\r\n<\/code><\/pre>\n
\u8cc7\u6e90\u898f\u5283\u548c\u5bb9\u91cf\u5206\u6790<\/strong><\/h2>\n
\u5728\u898f\u5283\u5f71\u8996\u4e32\u6d41\u5a92\u9ad4\u57fa\u790e\u8a2d\u65bd\u6642\uff0c\u8003\u616e\u4ee5\u4e0b\u4e0d\u540c\u898f\u6a21\u9700\u6c42\u7684\u5206\u5c64\u914d\u7f6e\uff1a<\/p>\n\n\n\n\n\n\n
\u57fa\u790e\u8a2d\u65bd\u7b49\u7d1a<\/th>\n
\u4f3a\u670d\u5668\u914d\u7f6e<\/th>\n
\u4e26\u767c\u7528\u6236\u6578<\/th>\n
\u5132\u5b58\u5bb9\u91cf<\/th>\n<\/tr>\n
\u57fa\u790e\u7d1a<\/td>\n
8\u6838\/32G\/2TB<\/td>\n
500-1,000<\/td>\n
2TB\u5167\u5bb9 + 500GB\u5feb\u53d6<\/td>\n<\/tr>\n
\u6a19\u6e96\u7d1a<\/td>\n
16\u6838\/64G\/4TB<\/td>\n
1,000-5,000<\/td>\n
4TB\u5167\u5bb9 + 1TB\u5feb\u53d6<\/td>\n<\/tr>\n
\u4f01\u696d\u7d1a<\/td>\n
32\u6838\/128G\/8TB<\/td>\n
5,000-10,000<\/td>\n
8TB\u5167\u5bb9 + 2TB\u5feb\u53d6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u8cc7\u6e90\u5206\u914d\u8003\u616e\u56e0\u7d20\uff1a<\/p>\n\n\n\n\n\n\n\n
\u670d\u52d9\u5143\u4ef6<\/th>\n
\u8cc7\u6e90\u9700\u6c42<\/th>\n
\u64f4\u5c55\u56e0\u7d20<\/th>\n<\/tr>\n
CDN\u908a\u7de3\u7bc0\u9ede<\/td>\n
\u5feb\u53d6\u6bd4\u4f8b 1:4<\/td>\n
\u6309\u5730\u7406\u5340\u57df<\/td>\n<\/tr>\n
SSL\/TLS<\/td>\n
\u6700\u4f4e2048\u4f4d<\/td>\n
\u6309\u57df\u540d\/\u5b50\u57df\u540d<\/td>\n<\/tr>\n
DDoS\u9632\u8b77<\/td>\n
\u4e09\u56db\u4e03\u5c64\u9632\u8b77<\/td>\n
\u57fa\u65bc\u6d41\u91cf\u6a21\u5f0f<\/td>\n<\/tr>\n
\u5099\u4efd\u7cfb\u7d71<\/td>\n
\u95dc\u9375\u8cc7\u65991:1\u6bd4\u4f8b<\/td>\n
\u6bcf\u9031\u5b8c\u6574\uff0c\u6bcf\u65e5\u589e\u91cf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\r\n# \u8cc7\u6e90\u8a08\u7b97\u516c\u5f0f\r\n\u6240\u9700CPU\u6838\u5fc3\u6578 = (\u4e26\u767c\u7528\u6236\u6578 \u00d7 0.02) + \u57fa\u790e\u7cfb\u7d71\u8ca0\u8f09\r\n\u8a18\u61b6\u9ad4_GB = (\u4e26\u767c\u7528\u6236\u6578 \u00d7 0.05) + \u5feb\u53d6\u5927\u5c0f_GB\r\n\u5132\u5b58_TB = (\u5167\u5bb9\u6642\u9577 \u00d7 2.5GB) + (\u7528\u6236\u6578 \u00d7 0.1GB)\r\n\r\n# 5000\u7528\u6236\u914d\u7f6e\u793a\u4f8b\r\nCPU\u6838\u5fc3\u6578 = (5000 \u00d7 0.02) + 4 = 104\u6838\r\n\u8a18\u61b6\u9ad4 = (5000 \u00d7 0.05) + 32 = 282GB\r\n\u5132\u5b58 = (1000 \u00d7 2.5) + (5000 \u00d7 0.1) = 3000GB\r\n<\/code><\/pre>\n
\u4f7f\u7528\u4ee5\u4e0b\u6307\u6a19\u5be6\u65bd\u8cc7\u6e90\u76e3\u63a7\uff1a<\/p>\n
\r\n# \u95dc\u9375\u6548\u80fd\u6307\u6a19\r\n- CPU\u4f7f\u7528\u7387\uff1a\u4fdd\u6301\u572875%\u4ee5\u4e0b\r\n- \u8a18\u61b6\u9ad4\u4f7f\u7528\uff1a\u4fdd\u6301\u572880%\u4ee5\u4e0b\r\n- \u5132\u5b58I\/O\uff1a\u76e3\u63a7IOPS\u548c\u5ef6\u9072\r\n- \u7db2\u8def\u541e\u5410\u91cf\uff1a\u8ffd\u8e64\u6bcf\u7528\u6236\u4f4d\u5143\u7387\r\n- \u5feb\u53d6\u547d\u4e2d\u7387\uff1a\u76ee\u6a19>85%\r\n- \u56de\u61c9\u6642\u9593\uff1a\u76ee\u6a19<200ms # \u8cc7\u6e90\u64f4\u5c55\u89f8\u767c\u689d\u4ef6 if (CPU\u4f7f\u7528\u7387 > 75% || \u8a18\u61b6\u9ad4\u4f7f\u7528\u7387 > 80%):\r\n    \u89f8\u767c\u6c34\u5e73\u64f4\u5c55()\r\nif (\u5132\u5b58\u4f7f\u7528\u7387 > 85%):\r\n    \u64f4\u5c55\u5132\u5b58\u6c60()\r\nif (\u7db2\u8def\u98fd\u548c\u5ea6 > 90%):\r\n    \u555f\u52d5\u984d\u5916CDN\u7bc0\u9ede()\r\n<\/code><\/pre>\n
\u5b89\u5168\u5be6\u65bd\u6307\u5357<\/strong><\/h2>\n
\u5be6\u65bd\u4ee5\u4e0b\u57fa\u672c\u5b89\u5168\u63aa\u65bd\uff1a<\/p>\n
\r\n# \u5b89\u5168\u6a19\u982d\u914d\u7f6e\r\nadd_header X-Frame-Options \"SAMEORIGIN\" always;\r\nadd_header X-XSS-Protection \"1; mode=block\" always;\r\nadd_header X-Content-Type-Options \"nosniff\" always;\r\nadd_header Referrer-Policy \"no-referrer-when-downgrade\" always;\r\nadd_header Content-Security-Policy \"default-src 'self' http: https: data: blob: 'unsafe-inline'\" always;\r\n<\/code><\/pre>\n
\u7e3d\u4e4b\uff0c\u5728\u9999\u6e2f\u9078\u64c7\u5408\u9069\u7684\u5f71\u8996\u7db2\u7ad9\u4f3a\u670d\u5668\u79df\u7528\u65b9\u6848\u9700\u8981\u4ed4\u7d30\u8003\u616e\u786c\u9ad4\u898f\u683c\u3001\u7db2\u8def\u67b6\u69cb\u548c\u512a\u5316\u6280\u8853\u3002\u901a\u904e\u9075\u5faa\u672c\u6280\u8853\u6307\u5357\uff0c\u60a8\u53ef\u4ee5\u5efa\u69cb\u4e00\u500b\u5f37\u5927\u4e14\u53ef\u64f4\u5c55\u7684\u4e32\u6d41\u5a92\u9ad4\u57fa\u790e\u8a2d\u65bd\uff0c\u63d0\u4f9b\u5353\u8d8a\u7684\u6548\u80fd\u8868\u73fe\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
[vc_row][vc_column][vc_column_text css=””]  […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":2,"featured_media":18589,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[4585,4584,4586,765,259],"class_list":["post-18594","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-cdn-setup-tc","tag-movie-website-hosting-tc","tag-streaming-optimization-tc","tag-server-configuration-tc","tag-259"],"acf":[],"yoast_head":"\n