{"id":20114,"date":"2024-11-28T10:55:16","date_gmt":"2024-11-28T02:55:16","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-sc\/how-to-optimize-api-performance-with-dedicated-servers\/"},"modified":"2024-11-28T10:59:54","modified_gmt":"2024-11-28T02:59:54","slug":"how-to-optimize-api-performance-with-dedicated-servers","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/sc\/hong-kong-dedicated-server-sc\/how-to-optimize-api-performance-with-dedicated-servers\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u72ec\u7acb\u670d\u52a1\u5668\u4f18\u5316API\u6027\u80fd?"},"content":{"rendered":"

[vc_row][vc_column][vc_column_text css=””]<\/p>\n

\u5728\u73b0\u4ee3Web\u67b6\u6784\u9886\u57df,\u72ec\u7acb\u670d\u52a1\u5668<\/a>\u4e0a\u7684API\u6027\u80fd\u4f18\u5316\u662f\u6784\u5efa\u5065\u58ee\u3001\u53ef\u6269\u5c55\u5e94\u7528\u7a0b\u5e8f\u7684\u5173\u952e\u57fa\u77f3\u3002\u672c\u6280\u672f\u6307\u5357\u6df1\u5165\u63a2\u8ba8\u670d\u52a1\u5668\u7aef\u4f18\u5316\u6280\u672f,\u540c\u65f6\u63a2\u7d22\u80fd\u663e\u8457\u5f71\u54cdAPI\u54cd\u5e94\u65f6\u95f4\u548c\u541e\u5410\u91cf\u7684\u786c\u4ef6\u9009\u62e9\u548c\u8f6f\u4ef6\u8c03\u4f18\u7b56\u7565\u3002\u65e0\u8bba\u60a8\u6bcf\u5929\u8981\u5904\u7406\u6570\u767e\u4e07\u4e2a\u8bf7\u6c42\u8fd8\u662f\u6784\u5efa\u9ad8\u9891\u4ea4\u6613\u5e73\u53f0,\u8fd9\u91cc\u6982\u8ff0\u7684\u539f\u5219\u90fd\u5c06\u5e2e\u52a9\u60a8\u5b9e\u73b0\u6700\u4f73\u6027\u80fd\u3002<\/p>\n

\u786c\u4ef6\u57fa\u7840:\u9009\u62e9\u5408\u9002\u7684\u72ec\u7acb\u670d\u52a1\u5668<\/strong><\/h2>\n

\u5728\u8bbe\u8ba1API\u57fa\u7840\u8bbe\u65bd\u65f6,\u72ec\u7acb\u670d\u52a1\u5668\u7684\u786c\u4ef6\u89c4\u683c\u6784\u6210\u4e86\u6027\u80fd\u7684\u57fa\u7840\u3002\u73b0\u4ee3API\u9700\u8981\u5f3a\u5927\u7684\u786c\u4ef6\u914d\u7f6e<\/a>,\u4ee5\u5904\u7406\u5e76\u53d1\u8fde\u63a5\u3001\u6267\u884c\u590d\u6742\u8ba1\u7b97,\u5e76\u5728\u9ad8\u8d1f\u8f7d\u4e0b\u4fdd\u6301\u4f4e\u5ef6\u8fdf\u3002\u8ba9\u6211\u4eec\u4ece\u6280\u672f\u89d2\u5ea6\u5206\u6790\u5173\u952e\u7ec4\u4ef6:<\/p>\n

\r\n# \u9ad8\u6027\u80fdAPI\u670d\u52a1\u5668\u7684\u63a8\u8350\u6700\u4f4e\u89c4\u683c\r\nCPU: Intel Xeon E-2288G (8\u6838\u5fc3, 16\u7ebf\u7a0b)\r\nRAM: 64GB DDR4 ECC\r\n\u5b58\u50a8: NVMe SSD (2TB+)\r\n\u7f51\u7edc: 10Gbps\u7aef\u53e3\r\nRAID: RAID 10\u914d\u7f6e,\u517c\u987e\u6027\u80fd\u548c\u5197\u4f59\r\n<\/code><\/pre>\n
CPU\u9009\u62e9\u5bf9API\u6027\u80fd\u6709\u91cd\u5927\u5f71\u54cd,\u7279\u522b\u662f\u5bf9\u4e8e\u8ba1\u7b97\u5bc6\u96c6\u578b\u64cd\u4f5c\u3002Intel Xeon E-2288G\u5728\u5355\u7ebf\u7a0b\u6027\u80fd\u548c\u591a\u6838\u80fd\u529b\u4e4b\u95f4\u63d0\u4f9b\u4e86\u6700\u4f73\u5e73\u8861\u3002\u5bf9\u4e8e\u5185\u5b58\u5bc6\u96c6\u578b\u5e94\u7528,ECC RAM\u53ef\u9632\u6b62\u6570\u636e\u635f\u574f\u5e76\u786e\u4fdd\u7cfb\u7edf\u7a33\u5b9a\u6027\u3002\u4e0e\u4f20\u7edfSATA\u9a71\u52a8\u5668\u76f8\u6bd4,NVMe SSD\u63d0\u4f9b\u66f4\u4f18\u7684I\/O\u6027\u80fd,\u8bfb\u53d6\u901f\u5ea6\u8d85\u8fc73000MB\/s\u3002<\/p>\n
\u7f51\u7edc\u67b6\u6784\u548c\u5ef6\u8fdf\u4f18\u5316<\/strong><\/h2>\n
\u7f51\u7edc\u67b6\u6784\u5728API\u6027\u80fd\u4e2d\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002\u9664\u4e86\u57fa\u672c\u8fde\u63a5\u5916,TCP\u4f18\u5316\u3001\u7f13\u51b2\u533a\u5927\u5c0f\u548c\u8fde\u63a5\u6c60\u7b49\u56e0\u7d20\u90fd\u4f1a\u663e\u8457\u5f71\u54cd\u54cd\u5e94\u65f6\u95f4\u3002\u5728\u9ad8\u541e\u5410\u91cf\u573a\u666f\u4e0b,\u914d\u7f6e\u826f\u597d\u7684\u7f51\u7edc\u5806\u6808\u53ef\u5c06\u5ef6\u8fdf\u51cf\u5c11\u591a\u8fbe40%\u3002\u73b0\u4ee3API\u901a\u5e38\u9700\u8981\u5904\u7406\u6570\u5343\u4e2a\u5e76\u53d1\u8fde\u63a5,\u8fd9\u4f7f\u5f97\u6b63\u786e\u7684\u7f51\u7edc\u914d\u7f6e\u81f3\u5173\u91cd\u8981\u3002<\/p>\n
\r\n# API\u670d\u52a1\u5668\u7684nginx.conf\u4f18\u5316\u793a\u4f8b\r\nworker_processes auto;\r\nworker_rlimit_nofile 65535;\r\n\r\nevents {\r\n    worker_connections 2048;\r\n    use epoll;\r\n    multi_accept on;\r\n}\r\n\r\nhttp {\r\n    keepalive_timeout 65;\r\n    keepalive_requests 100;\r\n    sendfile on;\r\n    tcp_nopush on;\r\n    tcp_nodelay on;\r\n    \r\n    # \u7f13\u51b2\u533a\u5927\u5c0f\u4f18\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    # \u538b\u7f29\r\n    gzip on;\r\n    gzip_min_length 1000;\r\n    gzip_types application\/json text\/plain;\r\n}\r\n<\/code><\/pre>\n
API\u6027\u80fd\u76d1\u63a7\u548c\u6307\u6807<\/strong><\/h2>\n
\u5b9e\u65bd\u5168\u9762\u76d1\u63a7\u4e0d\u4ec5\u4ec5\u662f\u6536\u96c6\u6570\u636e,\u66f4\u662f\u8981\u6536\u96c6\u53ef\u63a8\u52a8\u4f18\u5316\u51b3\u7b56\u7684\u53ef\u64cd\u4f5c\u89c1\u89e3\u3002\u5f3a\u5927\u7684\u76d1\u63a7\u7cfb\u7edf\u5e94\u63d0\u4f9b\u7cfb\u7edf\u6027\u80fd\u7684\u5b9e\u65f6\u53ef\u89c1\u6027,\u8bc6\u522b\u74f6\u9888,\u5e76\u5728\u95ee\u9898\u5f71\u54cd\u7528\u6237\u4e4b\u524d\u89e6\u53d1\u8b66\u62a5\u3002<\/p>\n
\r\n# prometheus.yml\u914d\u7f6e\r\nglobal:\r\n  scrape_interval: 15s\r\n  evaluation_interval: 15s\r\n\r\nalerting:\r\n  alertmanagers:\r\n    - static_configs:\r\n        - targets: ['localhost:9093']\r\n\r\nrule_files:\r\n  - \"alerts.yml\"\r\n\r\nscrape_configs:\r\n  - job_name: 'api_metrics'\r\n    metrics_path: '\/metrics'\r\n    static_configs:\r\n      - targets: ['localhost:9090']\r\n    scrape_interval: 15s\r\n    metric_relabel_configs:\r\n      - source_labels: [__name__]\r\n        regex: 'api_.*'\r\n        action: keep\r\n\r\n  - job_name: 'node_exporter'\r\n    static_configs:\r\n      - targets: ['localhost:9100']\r\n<\/code><\/pre>\n
\u6570\u636e\u5e93\u4f18\u5316\u7b56\u7565<\/strong><\/h2>\n
\u6570\u636e\u5e93\u6027\u80fd\u901a\u5e38\u6210\u4e3aAPI\u7cfb\u7edf\u7684\u4e3b\u8981\u74f6\u9888\u3002\u9664\u4e86\u57fa\u672c\u7d22\u5f15\u5916,\u73b0\u4ee3\u6570\u636e\u5e93\u4f18\u5316\u9700\u8981\u5168\u9762\u7406\u89e3\u67e5\u8be2\u6a21\u5f0f\u3001\u6570\u636e\u8bbf\u95ee\u6a21\u5f0f\u4ee5\u53ca\u6240\u9009\u6570\u636e\u5e93\u5f15\u64ce\u7684\u5177\u4f53\u7279\u6027\u3002\u6570\u636e\u5e93\u5206\u7247\u3001\u590d\u5236\u548c\u8fde\u63a5\u6c60\u5bf9\u4e8e\u6709\u6548\u5904\u7406\u9ad8\u541e\u5410\u91cfAPI\u8bf7\u6c42\u81f3\u5173\u91cd\u8981\u3002<\/p>\n
\r\n# MongoDB\u7d22\u5f15\u7b56\u7565\u548c\u914d\u7f6e\r\ndb.collection.createIndex(\r\n    { \r\n        \"frequently_queried_field\": 1,\r\n        \"timestamp\": -1 \r\n    },\r\n    { \r\n        background: true,\r\n        sparse: true,\r\n        expireAfterSeconds: 604800 \/\/ TTL\u7d22\u5f15\u7528\u4e8e\u6bcf\u5468\u6570\u636e\u6e05\u7406\r\n    }\r\n)\r\n\r\n# \u9ad8\u7ea7\u9009\u9879\u7684\u8fde\u63a5\u6c60\u914d\u7f6e\r\nconst mongoose = require('mongoose');\r\nmongoose.connect('mongodb:\/\/localhost\/api_db', {\r\n    poolSize: 10,\r\n    socketTimeoutMS: 45000,\r\n    maxPoolSize: 50,\r\n    minPoolSize: 10,\r\n    maxIdleTimeMS: 10000,\r\n    useNewUrlParser: true,\r\n    useUnifiedTopology: true,\r\n    useCreateIndex: true,\r\n    serverSelectionTimeoutMS: 5000,\r\n    heartbeatFrequencyMS: 2000\r\n});\r\n\r\n# \u67e5\u8be2\u4f18\u5316\u793a\u4f8b\r\ndb.collection.find({\r\n    status: \"active\",\r\n    lastUpdated: { \r\n        $gte: new Date(Date.now() - 24*60*60*1000)\r\n    }\r\n}).hint({ status: 1, lastUpdated: 1 })\r\n  .explain(\"executionStats\")\r\n<\/code><\/pre>\n
\u9ad8\u7ea7\u7f13\u5b58\u5b9e\u73b0<\/strong><\/h2>\n
\u590d\u6742\u7684\u7f13\u5b58\u7b56\u7565\u5bf9\u4e8e\u9ad8\u6027\u80fdAPI\u81f3\u5173\u91cd\u8981\u3002\u5b9e\u65bd\u4ece\u57fa\u4e8e\u5185\u5b58\u7684\u7f13\u5b58\u5230\u5206\u5e03\u5f0f\u7f13\u5b58\u7cfb\u7edf\u7684\u591a\u5c42\u7f13\u5b58,\u53ef\u5927\u5927\u51cf\u5c11\u6570\u636e\u5e93\u8d1f\u8f7d\u5e76\u6539\u5584\u54cd\u5e94\u65f6\u95f4\u3002\u5173\u952e\u662f\u5728\u4fdd\u6301\u6570\u636e\u4e00\u81f4\u6027\u7684\u540c\u65f6\u5b9e\u65bd\u667a\u80fd\u7f13\u5b58\u5931\u6548\u548c\u66f4\u65b0\u7b56\u7565\u3002<\/p>\n
\r\n\/\/ Redis\u7f13\u5b58\u5b9e\u73b0\u4e0e\u65ad\u8def\u5668\r\nconst Redis = require('ioredis');\r\nconst CircuitBreaker = require('opossum');\r\n\r\nclass CacheService {\r\n    constructor() {\r\n        this.redis = new Redis({\r\n            port: 6379,\r\n            host: 'localhost',\r\n            maxRetriesPerRequest: 3,\r\n            retryStrategy: (times) => Math.min(times * 50, 2000),\r\n            reconnectOnError: (err) => {\r\n                const targetError = 'READONLY';\r\n                if (err.message.includes(targetError)) {\r\n                    return true;\r\n                }\r\n                return false;\r\n            }\r\n        });\r\n\r\n        this.breaker = new CircuitBreaker(this.redis.get.bind(this.redis), {\r\n            timeout: 3000,\r\n            errorThresholdPercentage: 50,\r\n            resetTimeout: 30000\r\n        });\r\n    }\r\n\r\n    async getCachedData(key, fetchFunction) {\r\n        try {\r\n            let data = await this.breaker.fire(key);\r\n            if (!data) {\r\n                data = await fetchFunction();\r\n                await this.redis.set(key, JSON.stringify(data), 'EX', 3600);\r\n            }\r\n            return JSON.parse(data);\r\n        } catch (error) {\r\n            console.error(`Cache error: ${error.message}`);\r\n            return await fetchFunction();\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n
\u8d1f\u8f7d\u6d4b\u8bd5\u548c\u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5<\/strong><\/h2>\n
\u5168\u9762\u7684\u8d1f\u8f7d\u6d4b\u8bd5\u6709\u52a9\u4e8e\u5728\u6027\u80fd\u74f6\u9888\u5f71\u54cd\u751f\u4ea7\u7cfb\u7edf\u4e4b\u524d\u8bc6\u522b\u5b83\u4eec\u3002\u73b0\u4ee3\u8d1f\u8f7d\u6d4b\u8bd5\u5e94\u6a21\u62df\u771f\u5b9e\u4e16\u754c\u573a\u666f,\u5305\u62ec\u5404\u79cd\u7f51\u7edc\u6761\u4ef6\u548c\u7528\u6237\u884c\u4e3a\u6a21\u5f0f\u3002\u5c06\u6301\u7eed\u6027\u80fd\u6d4b\u8bd5\u4f5c\u4e3aCI\/CD\u7ba1\u9053\u7684\u4e00\u90e8\u5206,\u53ef\u786e\u4fdd\u53ca\u65e9\u53d1\u73b0\u6027\u80fd\u9000\u5316\u3002<\/p>\n
\r\n# Artillery\u8d1f\u8f7d\u6d4b\u8bd5\u914d\u7f6e\r\nconfig:\r\n  target: \"http:\/\/api.example.com\"\r\n  phases:\r\n    - duration: 60\r\n      arrivalRate: 5\r\n      rampTo: 50\r\n      name: \"\u9884\u70ed\u9636\u6bb5\"\r\n    - duration: 120\r\n      arrivalRate: 50\r\n      name: \"\u6301\u7eed\u8d1f\u8f7d\"\r\n    - duration: 60\r\n      arrivalRate: 50\r\n      rampTo: 100\r\n      name: \"\u5cf0\u503c\u6d4b\u8bd5\"\r\n  plugins:\r\n    metrics-by-endpoint: {}\r\n  defaults:\r\n    headers:\r\n      Content-Type: \"application\/json\"\r\n      Authorization: \"Bearer ${TOKEN}\"\r\n  variables:\r\n    token: \"eyJhbGciOiJIUzI1NiIs...\"\r\n    \r\nscenarios:\r\n  - name: \"API\u7aef\u70b9\u6d4b\u8bd5\"\r\n    flow:\r\n      - get:\r\n          url: \"\/api\/health\"\r\n          expect:\r\n            - statusCode: 200\r\n      - think: 1\r\n      - get:\r\n          url: \"\/api\/data\"\r\n          expect:\r\n            - statusCode: 200\r\n            - contentType: json\r\n      - think: 2\r\n      - post:\r\n          url: \"\/api\/process\"\r\n          json:\r\n            data: \"test payload\"\r\n          expect:\r\n            - statusCode: 201\r\n<\/code><\/pre>\n
\u5b89\u5168\u4f18\u5316<\/strong><\/h2>\n
\u5fc5\u987b\u5728\u4e0d\u663e\u8457\u5f71\u54cd\u6027\u80fd\u7684\u60c5\u51b5\u4e0b\u5b9e\u65bd\u5b89\u5168\u63aa\u65bd\u3002\u8fd9\u5305\u62ec\u901f\u7387\u9650\u5236\u3001\u8bf7\u6c42\u9a8c\u8bc1\u548c\u968fAPI\u6d41\u91cf\u6269\u5c55\u7684\u9002\u5f53\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236\u3002\u73b0\u4ee3\u5b89\u5168\u5b9e\u65bd\u5e94\u5728\u53ef\u7528\u65f6\u5229\u7528\u786c\u4ef6\u52a0\u901f,\u5e76\u5b9e\u65bd\u5b89\u5168\u5de5\u4ef6\u7684\u9ad8\u6548\u7f13\u5b58\u3002<\/p>\n
\r\n# \u5e26\u901f\u7387\u9650\u5236\u7684Nginx\u5b89\u5168\u914d\u7f6e\r\nhttp {\r\n    # \u901f\u7387\u9650\u5236\u533a\u57df\r\n    limit_req_zone $binary_remote_addr zone=api_limit:10m rate=10r\/s;\r\n    limit_req_zone $binary_remote_addr zone=auth_limit:10m rate=5r\/s;\r\n\r\n    # \u5b89\u5168\u5934\r\n    add_header Strict-Transport-Security \"max-age=31536000; includeSubDomains\" always;\r\n    add_header X-Frame-Options \"SAMEORIGIN\" always;\r\n    add_header X-Content-Type-Options \"nosniff\" always;\r\n    add_header X-XSS-Protection \"1; mode=block\" always;\r\n    add_header Content-Security-Policy \"default-src 'self';\" always;\r\n\r\n    server {\r\n        # \u901f\u7387\u9650\u5236\u5b9e\u73b0\r\n        location \/api\/ {\r\n            limit_req zone=api_limit burst=20 nodelay;\r\n            proxy_pass http:\/\/backend;\r\n        }\r\n\r\n        location \/auth\/ {\r\n            limit_req zone=auth_limit burst=5 nodelay;\r\n            proxy_pass http:\/\/auth_service;\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n
\u7ed3\u8bba<\/strong><\/h2>\n
\u5728\u72ec\u7acb\u670d\u52a1\u5668\u4e0a\u4f18\u5316API\u6027\u80fd\u9700\u8981\u7ed3\u5408\u786c\u4ef6\u9009\u62e9\u3001\u7f51\u7edc\u4f18\u5316\u548c\u590d\u6742\u8f6f\u4ef6\u8c03\u4f18\u7684\u6574\u4f53\u65b9\u6cd5\u3002\u672c\u6307\u5357\u4e2d\u8be6\u8ff0\u7684\u7b56\u7565\u548c\u5b9e\u73b0\u4e3a\u6784\u5efa\u53ef\u6709\u6548\u6269\u5c55\u7684\u9ad8\u6027\u80fdAPI\u7cfb\u7edf\u63d0\u4f9b\u4e86\u57fa\u7840\u3002\u968f\u7740API\u7684\u53d1\u5c55,\u5b9a\u671f\u76d1\u63a7\u3001\u6d4b\u8bd5\u548c\u7ef4\u62a4\u5bf9\u4e8e\u4fdd\u6301\u6700\u4f73\u6027\u80fd\u6c34\u5e73\u81f3\u5173\u91cd\u8981\u3002\u8bf7\u8bb0\u4f4f,\u670d\u52a1\u5668\u4f18\u5316\u662f\u4e00\u4e2a\u8fed\u4ee3\u8fc7\u7a0b,\u5e94\u9002\u5e94API\u4e0d\u65ad\u589e\u957f\u7684\u9700\u6c42\u548c\u4e0d\u65ad\u53d8\u5316\u7684\u4f7f\u7528\u6a21\u5f0f\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
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