\u6d1b\u6749\u78ef\u4f3a\u670d\u5668\u8a17\u7ba1\u8a2d\u65bd\u4e2d\u7684\u6709\u6548\u76e3\u63a7\u9700\u8981\u591a\u5c64\u6b21\u7684\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u8ffd\u8e64\u95dc\u9375\u6548\u80fd\u6307\u6a19\u7684\u7d9c\u5408\u76e3\u63a7\u7cfb\u7d71\u5be6\u73fe\uff1a<\/p>\n

\r\n\/\/ Node.js\u9ad8\u7d1a\u76e3\u63a7\u5be6\u73fe\r\nconst os = require('os');\r\nconst process = require('process');\r\n\r\nclass ServerMonitor {\r\n    constructor() {\r\n        this.metrics = {\r\n            connections: new Map(),\r\n            memory: new Map(),\r\n            cpu: new Map(),\r\n            bandwidth: new Map()\r\n        };\r\n        this.samplingRate = 1000; \/\/ 1\u79d2\r\n    }\r\n\r\n    startMonitoring() {\r\n        setInterval(() => {\r\n            this.collectMetrics();\r\n        }, this.samplingRate);\r\n    }\r\n\r\n    collectMetrics() {\r\n        const currentMetrics = {\r\n            timestamp: Date.now(),\r\n            memory: {\r\n                total: os.totalmem(),\r\n                free: os.freemem(),\r\n                used: os.totalmem() - os.freemem()\r\n            },\r\n            cpu: {\r\n                loadAvg: os.loadavg(),\r\n                utilization: process.cpuUsage()\r\n            },\r\n            network: this.getNetworkStats()\r\n        };\r\n\r\n        this.storeMetrics(currentMetrics);\r\n    }\r\n\r\n    getNetworkStats() {\r\n        const networkInterfaces = os.networkInterfaces();\r\n        \/\/ \u7db2\u8def\u7d71\u8a08\u5be6\u73fe\r\n        return networkInterfaces;\r\n    }\r\n}\r\n<\/code><\/pre>\n
\u9ad8\u4f75\u767c\u6700\u4f73\u5316\u7b56\u7565<\/strong><\/h2>\n
\u6d1b\u6749\u78ef\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u9700\u8981\u7279\u5b9a\u7684\u6700\u4f73\u5316\u6280\u8853\u4f86\u8655\u7406\u9ad8\u4f75\u767c\uff0c\u7279\u5225\u662f\u5728\u540c\u6642\u670d\u52d9\u4e9e\u6d32\u548c\u7f8e\u6d32\u5e02\u5834\u6642\u3002\u4ee5\u4e0b\u662f\u5177\u6709\u5be6\u8e10\u5be6\u73fe\u7684\u9ad8\u7d1a\u7b56\u7565\uff1a<\/p>\n
\r\n\/\/ Nginx\u9ad8\u4f75\u767c\u6700\u4f73\u5316\r\nevents {\r\n    worker_connections 10000;\r\n    multi_accept on;\r\n    use epoll;\r\n}\r\n\r\nhttp {\r\n    keepalive_timeout 65;\r\n    keepalive_requests 100;\r\n    \r\n    # TCP\u6700\u4f73\u5316\r\n    tcp_nopush on;\r\n    tcp_nodelay on;\r\n    \r\n    # \u7de9\u885d\u5340\u5927\u5c0f\u6700\u4f73\u5316\r\n    client_body_buffer_size 10K;\r\n    client_header_buffer_size 1k;\r\n    client_max_body_size 8m;\r\n    large_client_header_buffers 2 1k;\r\n    \r\n    # \u6a94\u6848\u5feb\u53d6\u8a2d\u5b9a\r\n    open_file_cache max=2000 inactive=20s;\r\n    open_file_cache_valid 60s;\r\n    open_file_cache_min_uses 5;\r\n    open_file_cache_errors off;\r\n}\r\n<\/code><\/pre>\n
\u8cc7\u6e90\u5206\u914d\u7b56\u7565<\/strong><\/h2>\n
\u6d1b\u6749\u78ef\u4f3a\u670d\u5668\u7684\u9ad8\u6548\u8cc7\u6e90\u5206\u914d\u9700\u8981\u4e86\u89e3\u4e0d\u540c\u6642\u5340\u7684\u5c16\u5cf0\u4f7f\u7528\u6a21\u5f0f\u3002\u4ee5\u4e0b\u662f\u7cfb\u7d71\u5316\u7684\u8cc7\u6e90\u7ba1\u7406\u65b9\u6cd5\uff1a<\/p>\n
\n
\u57fa\u65bc\u5730\u7406\u6d41\u91cf\u6a21\u5f0f\u7684\u52d5\u614b\u8cc7\u6e90\u64f4\u5c55<\/li>\n
\u8de8\u591a\u500b\u53ef\u7528\u5340\u7684\u667a\u6167\u8ca0\u8f09\u5e73\u8861<\/li>\n
\u975e\u5c16\u5cf0\u6642\u6bb5\u7684\u81ea\u52d5\u5316\u8cc7\u6e90\u6700\u4f73\u5316<\/li>\n
\u57fa\u65bc\u6b77\u53f2\u8cc7\u6599\u7684\u9810\u6e2c\u6027\u64f4\u5c55<\/li>\n<\/ul>\n
\r\n\/\/ \u8cc7\u6e90\u5206\u914d\u76e3\u63a7\u7cfb\u7d71\r\nclass ResourceManager {\r\n    constructor(config) {\r\n        this.resources = {\r\n            cpu: config.cpu,\r\n            memory: config.memory,\r\n            bandwidth: config.bandwidth\r\n        };\r\n        this.thresholds = config.thresholds;\r\n    }\r\n\r\n    async monitorAndScale() {\r\n        const metrics = await this.collectMetrics();\r\n        const decision = this.analyzeMetrics(metrics);\r\n        \r\n        if (decision.shouldScale) {\r\n            await this.scaleResources(decision.recommendations);\r\n        }\r\n    }\r\n\r\n    analyzeMetrics(metrics) {\r\n        \/\/ \u6307\u6a19\u5206\u6790\u5be6\u73fe\r\n        return {\r\n            shouldScale: metrics.cpu.usage > this.thresholds.cpu,\r\n            recommendations: {\r\n                cpu: this.calculateRequired(metrics.cpu),\r\n                memory: this.calculateRequired(metrics.memory)\r\n            }\r\n        };\r\n    }\r\n}\r\n<\/code><\/pre>\n
\u6548\u80fd\u8abf\u6821\u6df1\u5ea6\u89e3\u6790<\/strong><\/h2>\n
\u6d1b\u6749\u78ef\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u9700\u8981\u7279\u5b9a\u7684\u6838\u5fc3\u7d1a\u6700\u4f73\u5316\u4f86\u9ad8\u6548\u8655\u7406\u570b\u969b\u6d41\u91cf\u3002\u4ee5\u4e0b\u662f\u7cfb\u7d71\u7d1a\u8abf\u6821\u7684\u8a73\u7d30\u65b9\u6cd5\uff1a<\/p>\n
\r\n# \/etc\/sysctl.conf\u6700\u4f73\u5316\r\n# \u7db2\u8def\u5806\u758a\u6700\u4f73\u5316\r\nnet.core.somaxconn = 65535\r\nnet.core.netdev_max_backlog = 65535\r\nnet.ipv4.tcp_max_syn_backlog = 65535\r\nnet.ipv4.tcp_fin_timeout = 30\r\nnet.ipv4.tcp_keepalive_time = 300\r\nnet.ipv4.tcp_keepalive_probes = 5\r\nnet.ipv4.tcp_keepalive_intvl = 15\r\n\r\n# \u8a18\u61b6\u9ad4\u7ba1\u7406\u6700\u4f73\u5316\r\nvm.swappiness = 10\r\nvm.dirty_ratio = 60\r\nvm.dirty_background_ratio = 2\r\n<\/code><\/pre>\n
\u8907\u96dc\u9023\u63a5\u6c60\u7cfb\u7d71\u7684\u5be6\u73fe\uff1a<\/p>\n
\r\nclass ConnectionPool {\r\n    constructor(config) {\r\n        this.pool = [];\r\n        this.maxSize = config.maxSize || 100;\r\n        this.minSize = config.minSize || 10;\r\n        this.timeout = config.timeout || 30000;\r\n        this.createInitialConnections();\r\n    }\r\n\r\n    async createInitialConnections() {\r\n        for(let i = 0; i < this.minSize; i++) { this.pool.push(await this.createConnection()); } } async acquire() { if(this.pool.length > 0) {\r\n            return this.pool.pop();\r\n        }\r\n        if(this.pool.length < this.maxSize) { return await this.createConnection(); } return new Promise((resolve) => {\r\n            setTimeout(async () => {\r\n                resolve(await this.acquire());\r\n            }, 100);\r\n        });\r\n    }\r\n\r\n    async release(connection) {\r\n        if(this.pool.length < this.maxSize) {\r\n            this.pool.push(connection);\r\n        } else {\r\n            await connection.close();\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n
\u64f4\u5c55\u67b6\u69cb\u8a2d\u8a08<\/strong><\/h2>\n
\u5c0d\u65bc\u670d\u52d9\u5168\u7403\u6d41\u91cf\u7684\u6d1b\u6749\u78ef\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\uff0c\u5be6\u73fe\u7a69\u5065\u7684\u64f4\u5c55\u67b6\u69cb\u81f3\u95dc\u91cd\u8981\u3002\u8003\u616e\u4ee5\u4e0b\u57fa\u65bc\u5fae\u670d\u52d9\u7684\u65b9\u6cd5\uff1a<\/p>\n
\r\n\/\/ \u7528\u65bc\u53ef\u64f4\u5c55\u67b6\u69cb\u7684Docker compose\u914d\u7f6e\r\nversion: '3.8'\r\nservices:\r\n  api_gateway:\r\n    build: .\/gateway\r\n    deploy:\r\n      replicas: 3\r\n      resources:\r\n        limits:\r\n          cpus: '0.50'\r\n          memory: 512M\r\n        reservations:\r\n          cpus: '0.25'\r\n          memory: 256M\r\n      restart_policy:\r\n        condition: on-failure\r\n        delay: 5s\r\n        max_attempts: 3\r\n        window: 120s\r\n\r\n  cache_service:\r\n    image: redis:alpine\r\n    deploy:\r\n      replicas: 2\r\n      resources:\r\n        limits:\r\n          memory: 1G\r\n<\/code><\/pre>\n
\u9ad8\u7d1a\u6d41\u91cf\u7ba1\u7406<\/strong><\/h2>\n
\u70ba\u6d1b\u6749\u78ef\u4f3a\u670d\u5668\u5be6\u65bd\u667a\u6167\u6d41\u91cf\u7ba1\u7406\u9700\u8981\u8003\u616e\u5168\u7403\u6d41\u91cf\u6a21\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u8907\u96dc\u7684\u8ca0\u8f09\u5e73\u8861\u65b9\u6cd5\uff1a<\/p>\n
\r\n\/\/ \u7528\u65bc\u5168\u7403\u6d41\u91cf\u7ba1\u7406\u7684HAProxy\u914d\u7f6e\r\nglobal\r\n    maxconn 50000\r\n    log \/dev\/log local0\r\n    user haproxy\r\n    group haproxy\r\n    tune.ssl.default-dh-param 2048\r\n\r\ndefaults\r\n    log global\r\n    mode http\r\n    option httplog\r\n    option dontlognull\r\n    timeout connect 5000\r\n    timeout client 50000\r\n    timeout server 50000\r\n\r\nfrontend http_front\r\n    bind *:80\r\n    bind *:443 ssl crt \/etc\/ssl\/certs\/combined.pem\r\n    \r\n    # \u57fa\u65bc\u5730\u7406\u4f4d\u7f6e\u7684\u8def\u7531\r\n    acl geo_asia src -f \/etc\/haproxy\/asia_cidrs.lst\r\n    acl geo_us src -f \/etc\/haproxy\/us_cidrs.lst\r\n    \r\n    use_backend asia_servers if geo_asia\r\n    use_backend us_servers if geo_us\r\n    default_backend all_servers\r\n<\/code><\/pre>\n
\u76e3\u63a7\u548c\u8b66\u5831\u6700\u4f73\u5be6\u8e10<\/strong><\/h2>\n
\u4f7f\u7528\u4ee5\u4e0b\u9ad8\u7d1a\u6307\u6a19\u70ba\u60a8\u7684\u6d1b\u6749\u78ef\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u5be6\u65bd\u5168\u9762\u76e3\u63a7\uff1a<\/p>\n
\n
\u6309\u5730\u7406\u5340\u57df\u7684\u8acb\u6c42\u5ef6\u9072<\/li>\n
\u9023\u63a5\u6c60\u4f7f\u7528\u7387<\/li>\n
\u8de8\u4e0d\u540c\u8cc7\u6599\u4e2d\u5fc3\u7684\u5feb\u53d6\u547d\u4e2d\u7387<\/li>\n
\u6309\u6642\u5340\u7684\u7db2\u8def\u541e\u5410\u91cf\u6a21\u5f0f<\/li>\n<\/ul>\n
\u7d50\u8ad6<\/strong><\/h2>\n
\u6210\u529f\u7ba1\u7406\u6d1b\u6749\u78ef\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u9700\u8981\u6df1\u5165\u7406\u89e3\u6280\u8853\u80fd\u529b\u548c\u5168\u7403\u6d41\u91cf\u6a21\u5f0f\u3002\u901a\u904e\u5be6\u65bd\u672c\u6307\u5357\u4e2d\u6982\u8ff0\u7684\u76e3\u63a7\u7cfb\u7d71\u3001\u6700\u4f73\u5316\u6280\u8853\u548c\u64f4\u5c55\u7b56\u7565\uff0c\u60a8\u53ef\u4ee5\u5efa\u69cb\u5f37\u5927\u800c\u9ad8\u6548\u7684\u4f3a\u670d\u5668\u57fa\u790e\u8a2d\u65bd\uff0c\u80fd\u5920\u8655\u7406\u591a\u6a23\u5316\u7684\u570b\u969b\u5de5\u4f5c\u8ca0\u8f09\u3002\u8acb\u8a18\u4f4f\uff0c\u4f3a\u670d\u5668\u4f75\u767c\u6027\u4e0d\u50c5\u50c5\u95dc\u4e4e\u539f\u59cb\u6578\u5b57\uff0c\u66f4\u91cd\u8981\u7684\u662f\u5728\u4fdd\u6301\u6700\u4f73\u8cc7\u6e90\u4f7f\u7528\u7387\u7684\u540c\u6642\uff0c\u70ba\u4e0d\u540c\u5730\u5340\u63d0\u4f9b\u7a69\u5b9a\u7684\u6548\u80fd\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":21445,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4815],"tags":[5835,5836,5834,5000,1242],"class_list":["post-21450","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-america-dedicated-server-tc","tag-bandwidth-calculation-tc","tag-memory-allocation-tc","tag-server-concurrency-tc","tag-server-hosting-la-tc","tag-server-performance-tc"],"acf":[],"yoast_head":"\n