{"id":210375,"date":"2025-10-24T11:55:17","date_gmt":"2025-10-24T03:55:17","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210375\/"},"modified":"2025-10-24T11:55:18","modified_gmt":"2025-10-24T03:55:18","slug":"cdn-384","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210375\/","title":{"rendered":"CDN\u7f13\u5b58\u4e0e\u8def\u7531\u7b56\u7565\u81ea\u52a8\u5316\uff1a\u7528\u667a\u80fd\u89c4\u5219\u5b9e\u73b0\u6781\u81f4\u6027\u80fd\u4e0e\u53ef\u9760\u6027"},"content":{"rendered":"<p>\u968f\u7740\u4e92\u8054\u7f51\u5e94\u7528\u5bf9\u5ef6\u8fdf\u3001\u53ef\u7528\u6027\u548c\u5b89\u5168\u6027\u7684\u8981\u6c42\u4e0d\u65ad\u63d0\u9ad8\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u4e0e\u8def\u7531\u7b56\u7565\u7684\u81ea\u52a8\u5316\u5df2\u7ecf\u6210\u4e3a\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u548c\u7cfb\u7edf\u53ef\u9760\u6027\u7684\u91cd\u8981\u624b\u6bb5\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u6df1\u5165\u89e3\u6790\u57fa\u4e8e\u667a\u80fd\u89c4\u5219\u7684CDN\u7f13\u5b58\u4e0e\u8def\u7531\u81ea\u52a8\u5316\u539f\u7406\u3001\u5b9e\u73b0\u7ec6\u8282\u3001\u5e38\u89c1\u5e94\u7528\u573a\u666f\u53ca\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u52a9\u4f60\u5728\u90e8\u7f72\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u9999\u6e2fVPS\u6216\u6d77\u5916\u670d\u52a1\u5668\u65f6\u505a\u5230\u6027\u80fd\u4e0e\u53ef\u9760\u6027\u7684\u6700\u4f73\u5e73\u8861\u3002<\/p>\n<h2>\u539f\u7406\uff1aCDN\u7f13\u5b58\u4e0e\u8def\u7531\u7b56\u7565\u7684\u6838\u5fc3\u8981\u7d20<\/h2>\n<p>\u8981\u6784\u5efa\u81ea\u52a8\u5316\u548c\u667a\u80fd\u5316\u7684\u5206\u53d1\u7b56\u7565\uff0c\u9700\u7406\u89e3\u4ee5\u4e0b\u51e0\u4e2a\u6838\u5fc3\u6982\u5ff5\uff1a<\/p>\n<h3>\u7f13\u5b58\u952e\uff08Cache Key\uff09\u4e0e\u7f13\u5b58\u7c92\u5ea6<\/h3>\n<ul>\n<li>\u7f13\u5b58\u952e\u7531\u8bf7\u6c42\u7684\u591a\u4e2a\u5143\u7d20\u7ec4\u5408\u800c\u6210\uff0c\u5e38\u89c1\u5305\u62ec\u534f\u8bae\uff08http\/https\uff09\u3001\u4e3b\u673a\u540d\u3001\u8bf7\u6c42\u8def\u5f84\u3001\u67e5\u8be2\u5b57\u7b26\u4e32\u3001\u8bf7\u6c42\u5934\uff08\u5982Accept-Encoding\u3001User-Agent\uff09\u3001Cookie \u7b49\u3002<\/li>\n<li>\u901a\u8fc7\u81ea\u5b9a\u4e49\u7f13\u5b58\u952e\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u9759\u6001\u8d44\u6e90\uff08\u5982\u56fe\u7247\u3001JS\u3001CSS\uff09\u4e0e\u52a8\u6001\u5185\u5bb9\uff08\u5e26\u4e2a\u6027\u5316\u6216\u4f1a\u8bdd\u4fe1\u606f\uff09\u5dee\u5f02\u5316\u7f13\u5b58\u3002\u4f8b\u5982\u5bf9\u9759\u6001\u8d44\u6e90\u4f7f\u7528\u8def\u5f84\u548c\u7248\u672c\u53f7\uff0c\u5bf9 API \u8bf7\u6c42\u5219\u5254\u9664\u90e8\u5206\u4f1a\u8bdd\u76f8\u5173\u5934\u4ee5\u63d0\u9ad8\u547d\u4e2d\u7387\u3002<\/li>\n<\/ul>\n<h3>\u7f13\u5b58\u63a7\u5236\u7b56\u7565\uff08TTL\u3001Cache-Control\u3001Stale\uff09<\/h3>\n<ul>\n<li>TTL\uff08Time To Live\uff09\u51b3\u5b9a\u8fb9\u7f18\u8282\u70b9\u4fdd\u5b58\u5185\u5bb9\u7684\u65f6\u95f4\u3002\u53ef\u4ee5\u57fa\u4e8e\u8d44\u6e90\u7c7b\u578b\u3001\u8def\u5f84\u6216\u54cd\u5e94\u5934\uff08Cache-Control\u3001Expires\uff09\u52a8\u6001\u8bbe\u7f6e\u3002<\/li>\n<li>\u9ad8\u7ea7\u7b56\u7565\u5305\u62ec <strong>stale-while-revalidate<\/strong> \u548c <strong>stale-if-error<\/strong>\uff0c\u7528\u4e8e\u5728\u6e90\u7ad9\u4e0d\u53ef\u8fbe\u6216\u6b63\u5728\u56de\u586b\u65f6\u7ee7\u7eed\u4e3a\u7528\u6237\u63d0\u4f9b\u8fc7\u671f\u5185\u5bb9\uff0c\u63d0\u5347\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h3>\u56de\u6e90\u4e0e\u56de\u6e90\u4fdd\u62a4\uff08Origin Shielding\uff09<\/h3>\n<ul>\n<li>\u5f53\u7f13\u5b58\u672a\u547d\u4e2d\uff0c\u8fb9\u7f18\u8282\u70b9\u9700\u56de\u6e90\u62c9\u53d6\u5185\u5bb9\u3002\u901a\u8fc7\u8bbe\u7f6e\u4e2d\u5fc3\u5316\u7684 Origin Shield \u6216\u4e2d\u95f4\u5c42\u53ef\u4ee5\u51cf\u5c11\u56de\u6e90\u5e76\u53d1\uff0c\u4fdd\u62a4\u6e90\u7ad9\u514d\u53d7\u7a81\u53d1\u6d41\u91cf\u51b2\u51fb\u3002<\/li>\n<li>\u7ed3\u5408\u9650\u6d41\u3001\u7194\u65ad\u4e0e\u540e\u5907\u7f13\u5b58\uff0c\u53ef\u4ee5\u907f\u514d\u56de\u6e90\u96ea\u5d29\u3002<\/li>\n<\/ul>\n<h3>\u8def\u7531\u7b56\u7565\uff1aAnycast\u3001\u5730\u7406\u5c31\u8fd1\u4e0e\u4e1a\u52a1\u5206\u6d41<\/h3>\n<ul>\n<li>Anycast+BGP \u5b9e\u73b0\u7f51\u7edc\u5c42\u9762\u7684\u5c31\u8fd1\u8def\u7531\uff0c\u964d\u4f4e RTT\uff1b\u57fa\u4e8e\u5730\u7406\u4f4d\u7f6e\u7684\u5e94\u7528\u5c42\u8def\u7531\uff08Geo-IP\uff09\u53ef\u4ee5\u5c06\u7528\u6237\u6d41\u91cf\u5bfc\u5411\u6700\u8fd1\u6216\u5408\u9002\u7684\u6570\u636e\u4e2d\u5fc3\uff08\u4f8b\u5982\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u3001\u6216\u65b0\u52a0\u5761\u670d\u52a1\u5668\uff09\u3002<\/li>\n<li>\u6d41\u91cf\u5206\u6d41\u53ef\u57fa\u4e8e\u8bbe\u5907\u7c7b\u578b\u3001\u5730\u533a\u3001\u6d41\u91cf\u7c7b\u578b\u6216\u4e1a\u52a1\u7070\u5ea6\u8fdb\u884c\uff0c\u5e38\u89c1\u4e8e A\/B \u6d4b\u8bd5\u4e0e\u84dd\u7eff\u90e8\u7f72\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u73b0\uff1a\u5982\u4f55\u7528\u667a\u80fd\u89c4\u5219\u81ea\u52a8\u5316\u7f13\u5b58\u4e0e\u8def\u7531<\/h2>\n<p>\u5b9e\u73b0\u81ea\u52a8\u5316\u901a\u5e38\u4f9d\u8d56\u4e8e\u53ef\u7f16\u7a0b\u7684\u8fb9\u7f18\u5e73\u53f0\u548c\u5b8c\u5584\u7684\u63a7\u5236\u5e73\u9762\uff0c\u5173\u952e\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<h3>1. \u58f0\u660e\u5f0f\u89c4\u5219\u5f15\u64ce<\/h3>\n<ul>\n<li>\u901a\u8fc7 JSON\/YAML \u5b9a\u4e49\u89c4\u5219\uff0c\u4f8b\u5982\uff1a\u8def\u5f84\u5339\u914d\u3001\u5934\u90e8\u6761\u4ef6\u3001\u5730\u7406\u4f4d\u7f6e\u3001\u6743\u91cd\u5206\u914d\u7b49\uff0c\u652f\u6301\u4f18\u5148\u7ea7\u548c\u6761\u4ef6\u7ec4\u5408\u3002<\/li>\n<li>\u89c4\u5219\u5f15\u64ce\u5728\u8bf7\u6c42\u8fdb\u5165\u65f6\u5feb\u901f\u8bc4\u4f30\u5e76\u51b3\u5b9a\u7f13\u5b58\u952e\u3001TTL\u3001\u662f\u5426\u91cd\u5199 URL \u6216\u53d1\u9001\u5230\u7279\u5b9a\u540e\u7aef\u3002<\/li>\n<\/ul>\n<h3>2. API \u9a71\u52a8\u7684\u81ea\u52a8\u5316\u64cd\u4f5c<\/h3>\n<ul>\n<li>CDN \u4e0e DNS \u63d0\u4f9b\u5546\u7684 API \u53ef\u7528\u4e8e\u81ea\u52a8\u4e0b\u53d1\u89c4\u5219\u3001\u89e6\u53d1\u6e05\u9664\uff08purge\uff09\u4e0e\u9884\u70ed\uff08warm-up\uff09\uff0c\u5e76\u5c06\u5176\u96c6\u6210\u5230 CI\/CD \u6d41\u7a0b\u4e2d\u3002<\/li>\n<li>\u5178\u578b\u6d41\u7a0b\uff1a\u4ee3\u7801\u53d1\u5e03 \u2192 \u751f\u6210\u9759\u6001\u8d44\u6e90\u6307\u7eb9 \u2192 \u901a\u8fc7 API \u66f4\u65b0\u7f13\u5b58\u89c4\u5219\u5e76\u89e6\u53d1\u589e\u91cf\u9884\u70ed \u2192 \u56de\u6eda\u65f6\u81ea\u52a8\u8def\u7531\u5230\u65e7\u7248\u672c\u3002<\/li>\n<\/ul>\n<h3>3. \u667a\u80fd\u6545\u969c\u6062\u590d\u4e0e\u6d41\u91cf\u6cbb\u7406<\/h3>\n<ul>\n<li>\u57fa\u4e8e\u5b9e\u65f6\u76d1\u63a7\uff08\u5065\u5eb7\u68c0\u67e5\u3001RTT\u3001\u9519\u8bef\u7387\uff09\u81ea\u52a8\u8c03\u6574\u8def\u7531\u3002\u4f8b\u5982\u5f53\u67d0\u4e2a\u8282\u70b9\u9519\u8bef\u7387\u5347\u9ad8\uff0c\u89c4\u5219\u5f15\u64ce\u53ef\u4ee5\u5c06\u6d41\u91cf\u6309\u767e\u5206\u6bd4\u9010\u6b65\u8fc1\u79fb\u5230\u5907\u7528\u8282\u70b9\uff08\u5982\u9999\u6e2fVPS \u6216 \u7f8e\u56fdVPS\uff09\u3002<\/li>\n<li>\u91c7\u7528\u7194\u65ad\u5668\u4e0e\u901f\u7387\u9650\u5236\u7b56\u7565\uff0c\u7ed3\u5408\u540e\u5907\u7f13\u5b58\uff08stale-if-error\uff09\u4fdd\u8bc1\u5728\u6e90\u7ad9\u6216\u533a\u57df\u6027\u7f51\u7edc\u95ee\u9898\u4e0b\u7684\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n<\/ul>\n<h3>4. \u8fb9\u7f18\u8ba1\u7b97\u4e0e\u52a8\u6001\u7f13\u5b58\u51b3\u7b56<\/h3>\n<ul>\n<li>\u5728\u8fb9\u7f18\u8fd0\u884c\u8f7b\u91cf\u51fd\u6570\uff08Edge Functions\uff09\uff0c\u53ef\u4ee5\u5728\u8bf7\u6c42\u9636\u6bb5\u52a8\u6001\u751f\u6210\u7f13\u5b58\u51b3\u7b56\uff0c\u4f8b\u5982\u57fa\u4e8e\u8bf7\u6c42\u5934\u8ba1\u7b97 TTL\uff0c\u6216\u5bf9\u54cd\u5e94\u8fdb\u884c\u8fb9\u7f18\u6e32\u67d3\u3002<\/li>\n<li>\u9002\u7528\u4e8e\u4e2a\u6027\u5316\u9996\u9875\u6216\u79fb\u52a8\u7aef\u9002\u914d\uff0c\u4f46\u4ecd\u8981\u63a7\u5236\u8fb9\u7f18\u8ba1\u7b97\u7684\u6267\u884c\u65f6\u95f4\u4e0e\u8d44\u6e90\u6d88\u8017\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\uff1a\u5728\u54ea\u4e9b\u573a\u666f\u4e0b\u53d7\u76ca\u6700\u5927<\/h2>\n<p>\u667a\u80fd\u5316\u7f13\u5b58\u4e0e\u8def\u7531\u5728\u4ee5\u4e0b\u573a\u666f\u5c24\u4e3a\u7a81\u51fa\uff1a<\/p>\n<h3>\u5168\u7403\u5206\u53d1\u4e0e\u591a\u533a\u57df\u90e8\u7f72<\/h3>\n<ul>\n<li>\u9488\u5bf9\u9999\u6e2f\u3001\u4e1c\u5357\u4e9a\uff08\u65b0\u52a0\u5761\u3001\u65e5\u672c\u3001\u97e9\u56fd\uff09\u548c\u6b27\u7f8e\u7528\u6237\uff0c\u901a\u8fc7\u5730\u7406\u8def\u7531\u548c Anycast \u53ef\u663e\u8457\u964d\u4f4e\u5ef6\u8fdf\u3002<\/li>\n<li>\u5bf9\u4e8e\u5728\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\u4e4b\u95f4\u9700\u8981\u52a8\u6001\u6d41\u91cf\u8c03\u5ea6\u7684\u4e1a\u52a1\uff0c\u81ea\u52a8\u8def\u7531\u53ef\u4ee5\u6309\u5b9e\u65f6\u7f51\u7edc\u72b6\u51b5\u9009\u53d6\u6700\u4f18\u56de\u6e90\u8def\u5f84\u3002<\/li>\n<\/ul>\n<h3>\u9ad8\u5e76\u53d1\u7684\u9759\u6001\u8d44\u6e90\u5206\u53d1<\/h3>\n<ul>\n<li>\u9759\u6001\u8d44\u6e90\u4f7f\u7528\u957f TTL \u4e0e\u7248\u672c\u5316\u7b56\u7565\u53ef\u4ee5\u6781\u5927\u63d0\u5347\u7f13\u5b58\u547d\u4e2d\u7387\uff0c\u51cf\u5c11 origin \u8d1f\u8f7d\u3002<\/li>\n<li>\u914d\u5408\u589e\u91cf\u9884\u70ed\u4e0e\u5206\u5c42\u7f13\u5b58\uff08Edge + Mid-Tier\uff09\uff0c\u53ef\u5728\u53d1\u5e03\u5927\u4fc3\u6d3b\u52a8\u65f6\u7a33\u4f4f\u8bbf\u95ee\u91cf\u3002<\/li>\n<\/ul>\n<h3>API \u4e0e\u52a8\u6001\u5185\u5bb9\u52a0\u901f<\/h3>\n<ul>\n<li>\u5bf9\u4e8e API\uff0c\u53ef\u901a\u8fc7\u7f13\u5b58\u7b56\u7565\uff08\u77ed TTL\u3001\u6309\u7528\u6237\u7279\u5f81\u7f13\u5b58\uff09\u4e0e\u8fb9\u7f18\u8ba1\u7b97\u5c06\u90e8\u5206\u903b\u8f91\u4e0b\u6c89\u5230\u8fb9\u7f18\uff0c\u51cf\u8f7b\u6e90\u7ad9\u538b\u529b\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u667a\u80fd\u89c4\u5219\u5316 vs \u4f20\u7edf\u9759\u6001\u914d\u7f6e<\/h2>\n<p>\u91c7\u7528\u667a\u80fd\u89c4\u5219\u4e0e\u81ea\u52a8\u5316\u5e26\u6765\u7684\u4e3b\u8981\u4f18\u52bf\uff1a<\/p>\n<ul>\n<li><strong>\u66f4\u9ad8\u7684\u547d\u4e2d\u7387\u4e0e\u66f4\u4f4e\u5ef6\u8fdf<\/strong>\uff1a\u52a8\u6001\u751f\u6210\u7f13\u5b58\u952e\u548c TTL \u5339\u914d\u5b9e\u9645\u6d41\u91cf\u7279\u5f81\uff0c\u547d\u4e2d\u7387\u63d0\u5347\uff0c\u7528\u6237\u611f\u77e5\u5ef6\u8fdf\u964d\u4f4e\u3002<\/li>\n<li><strong>\u66f4\u5f3a\u7684\u53ef\u7528\u6027<\/strong>\uff1a\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u3001stale-serving \u4e0e\u56de\u6e90\u4fdd\u62a4\u8ba9\u7cfb\u7edf\u5728\u6e90\u7ad9\u6216\u533a\u57df\u7f51\u7edc\u6545\u969c\u65f6\u7ee7\u7eed\u670d\u52a1\u3002<\/li>\n<li><strong>\u66f4\u7cbe\u7ec6\u7684\u6d41\u91cf\u63a7\u5236<\/strong>\uff1a\u6309\u5730\u57df\u3001\u8bbe\u5907\u3001\u7528\u6237\u5206\u7fa4\u5b9e\u73b0\u7070\u5ea6\u53d1\u5e03\u6216\u5730\u57df\u9650\u6d41\uff0c\u652f\u6301\u4e1a\u52a1\u8fde\u7eed\u53d1\u5e03\u548c\u56de\u6eda\u3002<\/li>\n<li><strong>\u8fd0\u7ef4\u81ea\u52a8\u5316<\/strong>\uff1aAPI \u9a71\u52a8\u4e0e CI\/CD \u96c6\u6210\uff0c\u51cf\u5c11\u4eba\u5de5\u5e72\u9884\u4e0e\u4eba\u4e3a\u914d\u7f6e\u9519\u8bef\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u4e0e\u90e8\u7f72\u5efa\u8bae<\/h2>\n<p>\u5728\u9009\u62e9 CDN \u4e0e\u670d\u52a1\u5668\u8d44\u6e90\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u3001\u6d77\u5916\u670d\u52a1\u5668\uff09\u65f6\uff0c\u8bf7\u53c2\u8003\u4ee5\u4e0b\u6280\u672f\u4e0e\u8fd0\u7ef4\u8981\u70b9\uff1a<\/p>\n<h3>1. \u652f\u6301\u53ef\u7f16\u7a0b\u89c4\u5219\u4e0e API \u7684\u5e73\u53f0<\/h3>\n<ul>\n<li>\u4f18\u5148\u9009\u62e9\u652f\u6301\u81ea\u5b9a\u4e49\u7f13\u5b58\u952e\u3001\u8fb9\u7f18\u51fd\u6570\u3001\u5b9e\u65f6\u89c4\u5219\u4e0b\u53d1\u4e0e\u6e05\u9664 API \u7684\u4f9b\u5e94\u5546\uff0c\u4fbf\u4e8e\u5b9e\u73b0\u81ea\u52a8\u5316\u90e8\u7f72\u3002<\/li>\n<\/ul>\n<h3>2. \u7f51\u7edc\u62d3\u6251\u4e0e\u8282\u70b9\u8986\u76d6<\/h3>\n<ul>\n<li>\u68c0\u67e5\u4f9b\u5e94\u5546\u5728\u76ee\u6807\u533a\u57df\uff08\u9999\u6e2f\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u3001\u7f8e\u56fd\uff09\u662f\u5426\u6709\u8db3\u591f\u7684 PoP \u8282\u70b9\u4e0e Anycast \u652f\u6301\uff0c\u8fd9\u76f4\u63a5\u5f71\u54cd\u5ef6\u8fdf\u548c\u5bb9\u707e\u80fd\u529b\u3002<\/li>\n<\/ul>\n<h3>3. \u56de\u6e90\u67b6\u6784\u4e0e Origin Shield<\/h3>\n<ul>\n<li>\u8bc4\u4f30\u662f\u5426\u9700\u8981\u4e2d\u95f4\u7f13\u5b58\u5c42\u6216 Origin Shield \u6765\u9632\u6b62\u56de\u6e90\u96ea\u5d29\uff0c\u7279\u522b\u662f\u5f53\u540e\u7aef\u4f7f\u7528\u6709\u9650\u8d44\u6e90\u7684\u9999\u6e2fVPS \u6216\u7f8e\u56fdVPS \u65f6\u3002<\/li>\n<\/ul>\n<h3>4. \u5b89\u5168\u4e0e\u5408\u89c4<\/h3>\n<ul>\n<li>\u652f\u6301 TLS \u7ec8\u6b62\u3001DDoS \u9632\u62a4\u3001WAF \u7b56\u7565\u7684 CDN \u66f4\u9002\u5408\u5bf9\u5b89\u5168\u6709\u9ad8\u8981\u6c42\u7684\u4f01\u4e1a\u5e94\u7528\u3002<\/li>\n<\/ul>\n<h3>5. \u53ef\u89c2\u6d4b\u6027\u4e0e\u81ea\u52a8\u5316\u80fd\u529b<\/h3>\n<ul>\n<li>\u5b9e\u65f6\u76d1\u63a7\u3001\u65e5\u5fd7\u805a\u5408\u4e0e\u544a\u8b66\u4ee5\u53ca\u4e0e CI\/CD \u7684\u6df1\u5ea6\u96c6\u6210\uff0c\u662f\u5b9e\u73b0\u771f\u6b63\u81ea\u52a8\u5316\u8fd0\u7ef4\u7684\u57fa\u77f3\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u8df5\u793a\u4f8b\uff1a\u81ea\u52a8\u5316\u89c4\u5219\u6a21\u677f\uff08\u601d\u8def\uff09<\/h2>\n<p>\u4e0b\u9762\u7ed9\u51fa\u4e00\u4e2a\u5178\u578b\u7684\u89c4\u5219\u7ec4\u5408\u601d\u8def\uff08\u975e\u5177\u4f53\u8bed\u6cd5\uff09\uff0c\u53ef\u7528\u4e8e\u5927\u591a\u6570 CDN \u5e73\u53f0\uff1a<\/p>\n<ul>\n<li>\u8def\u5f84\u4ee5 \/static\/ \u5f00\u5934\uff1aCache-Key = host + path + version\uff0cTTL = 30 \u5929\u3002<\/li>\n<li>\u8def\u5f84\u4ee5 \/api\/ \u5f00\u5934\u4e14\u5305\u542b Authorization\uff1a\u4e0d\u7f13\u5b58\u6216\u77ed TTL\uff0860s\uff09\uff0c\u4f46\u5f00\u542f\u8fb9\u7f18\u901f\u7387\u9650\u5236\u548c\u7194\u65ad\u3002<\/li>\n<li>\u7528\u6237\u6765\u81ea\u65e5\u672c\/\u97e9\u56fd\uff1a\u4f18\u5148\u9009\u62e9\u8ddd\u79bb\u8282\u70b9\u6700\u8fd1\u7684 PoP \u6216\u56de\u6e90\u5230\u65e5\u672c\u670d\u52a1\u5668\/\u97e9\u56fd\u670d\u52a1\u5668\u7684\u5907\u4efd Origin\u3002<\/li>\n<li>\u5f53\u67d0 PoP \u9519\u8bef\u7387 &gt; 5%\uff1a\u4ee5\u6743\u91cd\u65b9\u5f0f\u5c06\u6d41\u91cf 50% \u8f6c\u79fb\u5230\u5176\u4ed6\u8282\u70b9\uff0c\u5e76\u89e6\u53d1\u544a\u8b66\u4e0e\u81ea\u52a8\u56de\u6eda\u7b56\u7565\u3002<\/li>\n<li>\u90e8\u7f72\u65b0\u7248\u672c\u65f6\uff1a\u5148\u5bf9 5% \u6d41\u91cf\u7070\u5ea6\uff0c\u6536\u96c6\u6307\u6807\uff0c\u786e\u8ba4\u540e\u6309 25% \u2192 50% \u2192 100% \u9010\u6b65\u653e\u91cf\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u89c4\u5219\u53ef\u901a\u8fc7\u5e73\u53f0 API \u4e0e CI\/CD \u8054\u52a8\u5b9e\u73b0\u5b8c\u5168\u81ea\u52a8\u5316\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u5c06 CDN \u7f13\u5b58\u7b56\u7565\u4e0e\u8def\u7531\u51b3\u7b56\u81ea\u52a8\u5316\u5e76\u57fa\u4e8e\u667a\u80fd\u89c4\u5219\u6267\u884c\uff0c\u4f01\u4e1a\u53ef\u4ee5\u5728\u5168\u7403\u8303\u56f4\u5185\u5b9e\u73b0\u66f4\u4f4e\u7684\u5ef6\u8fdf\u3001\u66f4\u9ad8\u7684\u53ef\u7528\u6027\u4e0e\u66f4\u7075\u6d3b\u7684\u6d41\u91cf\u6cbb\u7406\u3002\u5bf9\u7ad9\u957f\u4e0e\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u91cd\u70b9\u5728\u4e8e\u9009\u62e9\u652f\u6301\u53ef\u7f16\u7a0b\u89c4\u5219\u3001\u8fb9\u7f18\u8ba1\u7b97\u4e0e\u4e30\u5bcc API \u7684\u5e73\u53f0\uff0c\u5e76\u7ed3\u5408\u5408\u7406\u7684\u7f13\u5b58\u952e\u8bbe\u8ba1\u3001\u56de\u6e90\u4fdd\u62a4\u4e0e\u5b9e\u65f6\u76d1\u63a7\u5b9e\u73b0\u95ed\u73af\u8fd0\u7ef4\u3002\u65e0\u8bba\u4f60\u7684\u4e1a\u52a1\u90e8\u7f72\u5728\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\uff0c\u8fd8\u662f\u4f7f\u7528\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS 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