{"id":209569,"date":"2025-10-23T17:42:38","date_gmt":"2025-10-23T09:42:38","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209569\/"},"modified":"2025-10-23T17:42:39","modified_gmt":"2025-10-23T09:42:39","slug":"cdn-42","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209569\/","title":{"rendered":"\u63ed\u79d8CDN\u591a\u5c42\u7f13\u5b58\uff1a\u7b56\u7565\u89e3\u6790\u4e0e\u6027\u80fd\u4f18\u5316\u8981\u70b9"},"content":{"rendered":"<p>\u5728\u5f53\u4eca\u4e92\u8054\u7f51\u5bf9\u6027\u80fd\u4e0e\u53ef\u7528\u6027\u8981\u6c42\u65e5\u76ca\u82db\u523b\u7684\u73af\u5883\u4e0b\uff0c\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff08CDN\uff09\u5df2\u7ecf\u6210\u4e3a\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u4e0e\u964d\u4f4e\u6e90\u7ad9\u538b\u529b\u7684\u5173\u952e\u6280\u672f\u4e4b\u4e00\u3002\u5f88\u591a\u7ad9\u957f\u3001\u4f01\u4e1a\u548c\u5f00\u53d1\u8005\u4f1a\u9762\u4e34\u5982\u4f55\u5728\u590d\u6742\u6d41\u91cf\u573a\u666f\u4e0b\u8bbe\u8ba1\u9ad8\u6548\u7684\u591a\u5c42\u7f13\u5b58\u7b56\u7565\u7684\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ece\u539f\u7406\u5165\u624b\uff0c\u7ed3\u5408\u5e94\u7528\u573a\u666f\u3001\u4f18\u52bf\u5bf9\u6bd4\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u6df1\u5165\u89e3\u6790CDN\u591a\u5c42\u7f13\u5b58\u7684\u6838\u5fc3\u8981\u70b9\uff0c\u5e2e\u52a9\u4f60\u5728\u90e8\u7f72\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u5176\u4ed6\u6d77\u5916\u670d\u52a1\u5668\u65f6\u66f4\u597d\u5730\u4f18\u5316\u6027\u80fd\u3002<\/p>\n<h2>\u591a\u5c42\u7f13\u5b58\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u591a\u5c42\u7f13\u5b58\uff08multi-tier caching\uff09\u662f\u6307\u5728\u591a\u4e2a\u7f51\u7edc\u5c42\u7ea7\u4e0e\u4f4d\u7f6e\u90e8\u7f72\u7f13\u5b58\u8282\u70b9\uff0c\u901a\u8fc7\u4e0d\u540c\u7b56\u7565\u534f\u8c03\u8fd9\u4e9b\u7f13\u5b58\u4ee5\u63d0\u5347\u547d\u4e2d\u7387\u4e0e\u964d\u4f4e\u5ef6\u8fdf\u3002\u5e38\u89c1\u7684\u5c42\u6b21\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6d4f\u89c8\u5668\u7aef\u7f13\u5b58\uff08Client-side\uff09\u2014\u2014\u5229\u7528\u7f13\u5b58\u63a7\u5236\u5934\uff08Cache-Control, Expires, ETag\uff09\u51cf\u5c11\u91cd\u590d\u8bf7\u6c42\u3002<\/li>\n<li>\u8fb9\u7f18\u7f13\u5b58\uff08Edge CDN\uff09\u2014\u2014\u90e8\u7f72\u5728\u63a5\u8fd1\u7528\u6237\u7684CDN\u8282\u70b9\uff0c\u8d1f\u8d23\u5feb\u901f\u54cd\u5e94\u70ed\u70b9\u8bf7\u6c42\u3002<\/li>\n<li>\u4e2d\u95f4\/\u533a\u57df\u7f13\u5b58\uff08Regional CDN \/ POP\uff09\u2014\u2014\u5728\u533a\u57df\u4e2d\u5fc3\u6216\u4e91\u63d0\u4f9b\u5546\u6570\u636e\u4e2d\u5fc3\u7f13\u5b58\u8f83\u70ed\u6570\u636e\uff0c\u4f5c\u4e3a\u8fb9\u7f18\u4e0e\u6e90\u7ad9\u4e4b\u95f4\u7684\u7f13\u51b2\u3002<\/li>\n<li>\u6e90\u7ad9\/\u56de\u6e90\u7f13\u5b58\uff08Origin\uff09\u2014\u2014\u6e90\u7ad9\u6216\u4e13\u7528\u7f13\u5b58\u5c42\uff08\u5982Redis\u3001Varnish\uff09\u7528\u4e8e\u5b58\u50a8\u4e0d\u53ef\u7f13\u5b58\u6216\u8f83\u51b7\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n<p>\u591a\u5c42\u7f13\u5b58\u7684\u6838\u5fc3\u662f<strong>\u4e00\u81f4\u6027\u4e0e\u5931\u6548\u7b56\u7565<\/strong>\uff1a\u7f13\u5b58\u9879\u4f55\u65f6\u8fc7\u671f\u3001\u4f55\u65f6\u56de\u6e90\u3001\u5982\u4f55\u5904\u7406\u7f13\u5b58\u6c61\u67d3\u4e0e\u5e76\u53d1\u5931\u6548\uff08cache stampede\uff09\u3002\u5408\u7406\u7684\u8fc7\u671f\u4e0e\u56de\u6e90\u673a\u5236\u80fd\u663e\u8457\u51cf\u5c11\u9ad8\u5cf0\u671f\u5bf9\u6e90\u7ad9\u7684\u51b2\u51fb\u3002<\/p>\n<h3>\u7f13\u5b58\u63a7\u5236\u4e0e\u54cd\u5e94\u5934\u8bbe\u8ba1<\/h3>\n<p>\u5e38\u7528\u7684HTTP\u7f13\u5b58\u5934\u5305\u62ecCache-Control\u3001Expires\u3001ETag\u3001Last-Modified\u3001Vary\u3002\u8bbe\u8ba1\u65f6\u5e94\u9075\u5faa\u4ee5\u4e0b\u539f\u5219\uff1a<\/p>\n<ul>\n<li><strong>\u9759\u6001\u8d44\u6e90\u5f3a\u7f13\u5b58<\/strong>\uff1a\u5bf9\u7248\u672c\u5316\u9759\u6001\u8d44\u6e90\uff08\u5982\u5e26hash\u7684JS\/CSS\uff09\u4f7f\u7528\u957fTTL\uff08\u5982\u4e00\u5e74\uff09\u5e76\u914d\u5408\u6587\u4ef6\u540d\u7248\u672c\u7ba1\u7406\u3002<\/li>\n<li><strong>\u52a8\u6001\u8d44\u6e90\u5f31\u7f13\u5b58\u6216\u6761\u4ef6\u8bf7\u6c42<\/strong>\uff1a\u4f7f\u7528ETag\u6216Last-Modified\u8fdb\u884c\u6761\u4ef6GET\uff0c\u51cf\u5c11\u56de\u6e90\u5e26\u5bbd\u3002<\/li>\n<li><strong>\u79c1\u6709vs\u516c\u5171<\/strong>\uff1a\u5bf9\u7528\u6237\u4e2a\u6027\u5316\u5185\u5bb9\u4f7f\u7528private\uff0cCDN\u7f13\u5b58\u5e26\u6709\u7528\u6237\u6807\u8bc6\u7684\u5185\u5bb9\u9700\u8c28\u614e\u3002<\/li>\n<li><strong>Vary\u5934\u7684\u4f7f\u7528<\/strong>\uff1a\u5f53\u54cd\u5e94\u4f9d\u8d56Accept-Encoding\u6216User-Agent\u65f6\u4f7f\u7528Vary\uff0c\u907f\u514d\u7f13\u5b58\u6c61\u67d3\uff0c\u4f46\u4f1a\u964d\u4f4e\u547d\u4e2d\u7387\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u7b56\u7565\u843d\u5730<\/h2>\n<p>\u4e0d\u540c\u4e1a\u52a1\u4e0e\u5730\u57df\u5bf9\u7f13\u5b58\u7b56\u7565\u7684\u8981\u6c42\u5404\u4e0d\u76f8\u540c\uff0c\u4ee5\u4e0b\u4e3a\u82e5\u5e72\u5178\u578b\u573a\u666f\u53ca\u63a8\u8350\u505a\u6cd5\uff1a<\/p>\n<h3>\u5168\u7403\u5206\u53d1\u7684\u9759\u6001\u5185\u5bb9\uff08\u7ad9\u70b9\u9759\u6001\u8d44\u6e90\u3001\u6587\u4ef6\u4e0b\u8f7d\uff09<\/h3>\n<ul>\n<li>\u5728\u8fb9\u7f18\u8282\u70b9\u4f7f\u7528\u957fTTL\uff0c\u91c7\u7528\u6587\u4ef6\u540d\u7248\u672c\u7ba1\u7406\uff0c\u914d\u5408CDN\u7684\u7f13\u5b58\u6e05\u7406API\u5feb\u901f\u4e0b\u7ebf\u65e7\u7248\u672c\u3002<\/li>\n<li>\u4e3a\u63d0\u9ad8\u4e9a\u6d32\u7528\u6237\u4f53\u9a8c\uff0c\u53ef\u5728\u9999\u6e2f\u8282\u70b9\u4e0e\u65b0\u52a0\u5761\u8282\u70b9\u52a0\u5f3a\u7f13\u5b58\u5206\u5e03\uff0c\u540c\u65f6\u5728\u65e5\u672c\u670d\u52a1\u5668\u6216\u97e9\u56fd\u670d\u52a1\u5668\u533a\u57df\u5e03\u7f6ePOP\u4ee5\u8986\u76d6\u4e1c\u4e9a\u7528\u6237\u3002<\/li>\n<\/ul>\n<h3>\u52a8\u6001\u7535\u5546\u6216\u7528\u6237\u4e2a\u6027\u5316\u9875\u9762<\/h3>\n<ul>\n<li>\u91c7\u7528\u8fb9\u7f18\u7f13\u5b58+\u8fb9\u7f18\u8ba1\u7b97\uff08Edge Compute\uff09\u5bf9\u9875\u9762\u8fdb\u884c\u8fb9\u7f18\u62fc\u63a5\uff1a\u516c\u5171\u90e8\u5206\u7531CDN\u7f13\u5b58\uff0c\u7528\u6237\u7279\u5b9a\u7247\u6bb5\u901a\u8fc7AJAX\u6216\u8fb9\u7f18\u51fd\u6570\u6ce8\u5165\u3002<\/li>\n<li>\u5229\u7528\u77edTTL\u4e0estale-while-revalidate\u7b56\u7565\u5728\u56de\u6e90\u671f\u95f4\u4ecd\u53ef\u54cd\u5e94\u7f13\u5b58\u5185\u5bb9\uff0c\u907f\u514d\u77ed\u65f6\u56de\u6e90\u6d2a\u5cf0\u3002<\/li>\n<\/ul>\n<h3>API \u670d\u52a1\u4e0e\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u5e94\u7528<\/h3>\n<ul>\n<li>\u5bf9GET\u63a5\u53e3\u4f7f\u7528\u6761\u4ef6\u8bf7\u6c42\u4e0e\u54cd\u5e94\u538b\u7f29\uff0c\u5bf9POST\u8bf7\u6c42\u91c7\u53d6\u4e1a\u52a1\u5c42\u7f13\u5b58\uff08\u5982API\u7f51\u5173\u524d\u7f6eRedis\uff09\u5e76\u914d\u5408\u8bf7\u6c42\u5408\u5e76\uff08request coalescing\uff09\u3002<\/li>\n<li>\u5728\u5168\u7403\u573a\u666f\u4e0b\uff0c\u90e8\u7f72\u7f8e\u56fdVPS\u6216\u9999\u6e2fVPS\u4f5c\u4e3a\u533a\u57df\u7f13\u5b58\u8282\u70b9\uff0c\u9760\u8fd1\u4e3b\u8981\u7528\u6237\u7fa4\u964d\u4f4eRTT\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u591a\u5c42\u7f13\u5b58 vs \u5355\u5c42\u7f13\u5b58<\/h2>\n<p>\u5bf9\u6bd4\u5355\u5c42\u7f13\u5b58\uff08\u4ec5\u8fb9\u7f18\u6216\u4ec5\u6e90\u7aef\uff09\u4e0e\u591a\u5c42\u7f13\u5b58\uff0c\u4e3b\u8981\u4f18\u52bf\u4f53\u73b0\u5728\uff1a<\/p>\n<ul>\n<li><strong>\u66f4\u9ad8\u7684\u547d\u4e2d\u7387<\/strong>\uff1a\u533a\u57df\u7ea7\u7f13\u5b58\u53ef\u4ee5\u805a\u5408\u591a\u4e2a\u8fb9\u7f18\u8282\u70b9\u7684\u672a\u547d\u4e2d\uff0c\u51cf\u5c11\u56de\u6e90\u3002<\/li>\n<li><strong>\u66f4\u4f4e\u7684\u56de\u6e90\u538b\u529b<\/strong>\uff1a\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0c\u4e2d\u95f4\u5c42\u7f13\u5b58\u80fd\u5438\u6536\u77ed\u65f6\u95f4\u5185\u7684\u7a81\u53d1\u6d41\u91cf\u3002<\/li>\n<li><strong>\u66f4\u597d\u7684\u5bb9\u707e\u80fd\u529b<\/strong>\uff1a\u5f53\u6e90\u7ad9\u4e0d\u53ef\u7528\u65f6\uff0c\u8f83\u65e7\u4f46\u53ef\u7528\u7684\u4e2d\u95f4\u7f13\u5b58\u53ef\u7528\u4e8e\u515c\u5e95\u3002<\/li>\n<li><strong>\u7075\u6d3b\u7684\u7b56\u7565\u9002\u914d<\/strong>\uff1a\u53ef\u4ee5\u5bf9\u4e0d\u540c\u7c7b\u578b\u5185\u5bb9\u5206\u522b\u6307\u5b9a\u8fb9\u7f18TTL\u4e0e\u533a\u57dfTTL\uff0c\u4f18\u5316\u5e26\u5bbd\u4e0e\u5b58\u50a8\u6210\u672c\u3002<\/li>\n<\/ul>\n<p>\u7f3a\u70b9\u65b9\u9762\uff0c\u591a\u5c42\u7f13\u5b58\u5f15\u5165\u4e86\u66f4\u590d\u6742\u7684\u5931\u6548\u4e00\u81f4\u6027\u4e0e\u8c03\u8bd5\u96be\u5ea6\uff0c\u4e14\u9700\u8981\u989d\u5916\u7684\u76d1\u63a7\u4e0e\u8fd0\u7ef4\u80fd\u529b\u3002<\/p>\n<h2>\u91cd\u8981\u7684\u6027\u80fd\u4f18\u5316\u8981\u70b9<\/h2>\n<p>\u5728\u5b9e\u73b0\u591a\u5c42\u7f13\u5b58\u65f6\uff0c\u5e94\u91cd\u70b9\u5173\u6ce8\u4ee5\u4e0b\u6280\u672f\u7ec6\u8282\uff1a<\/p>\n<ul>\n<li><strong>Cache key \u8bbe\u8ba1<\/strong>\uff1a\u4e00\u81f4\u7684cache key\u7b56\u7565\uff08\u5305\u62ecHost\u3001Path\u3001Query\u3001Cookies\uff09\u80fd\u907f\u514d\u7f13\u5b58\u788e\u7247\u5316\u3002\u5bf9\u9759\u6001\u8d44\u6e90\u5ffd\u7565query\u53c2\u6570\u6216\u7edf\u4e00\u6e05\u6d17\u3002<\/li>\n<li><strong>\u907f\u514d\u7f13\u5b58\u96ea\u5d29<\/strong>\uff1a\u91c7\u7528\u968f\u673aTTL\u3001\u8bf7\u6c42\u6392\u961f\u6216\u4e92\u65a5\u56de\u6e90\uff08mutex\uff09\u7b49\u624b\u6bb5\u9632\u6b62\u5927\u91cf\u7f13\u5b58\u540c\u65f6\u5931\u6548\u5bfc\u81f4\u56de\u6e90\u6d2a\u5cf0\u3002<\/li>\n<li><strong>\u9632\u6b62\u7f13\u5b58\u51fb\u7a7f\uff08cache miss explosion\uff09<\/strong>\uff1a\u5bf9\u70ed\u70b9\u6570\u636e\u9884\u70ed\u3001\u4f7f\u7528\u9501\u6216\u540e\u53f0\u5237\u65b0\uff08background revalidate\uff09\u7b56\u7565\u3002<\/li>\n<li><strong>\u76d1\u63a7\u4e0e\u5ea6\u91cf<\/strong>\uff1a\u5173\u952e\u6307\u6807\u5305\u62ec\u8fb9\u7f18\u547d\u4e2d\u7387\u3001\u533a\u57df\u547d\u4e2d\u7387\u3001\u56de\u6e90QPS\u3001\u56de\u6e90\u5e26\u5bbd\u4e0e\u54cd\u5e94\u65f6\u95f4\u5206\u5e03\u3002\u5408\u7406\u8bbe\u7f6e\u544a\u8b66\u9608\u503c\u3002<\/li>\n<li><strong>\u56de\u6e90\u5e26\u5bbd\u4e0e\u8fde\u63a5\u590d\u7528<\/strong>\uff1a\u4f7f\u7528HTTP\/2\u6216HTTP\/3\u63d0\u5347\u56de\u6e90\u6548\u7387\uff0c\u540e\u7aef\u4f7f\u7528\u6301\u4e45\u8fde\u63a5\u4e0e\u8fde\u63a5\u6c60\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\u8003\u8651<\/strong>\uff1a\u7f13\u5b58\u654f\u611f\u4fe1\u606f\u9700\u4e25\u683c\u8bbe\u7f6eCache-Control: private\u6216no-store\uff0c\u907f\u514d\u7f13\u5b58\u6ce8\u5165\u4e0e\u4fe1\u606f\u6cc4\u6f0f\u3002<\/li>\n<\/ul>\n<h3>\u6210\u672c\u4e0e\u5730\u57df\u9009\u62e9<\/h3>\n<p>\u9009\u62e9\u90e8\u7f72\u8282\u70b9\u65f6\uff0c\u9700\u8981\u5728\u6210\u672c\u4e0e\u5ef6\u8fdf\u4e4b\u95f4\u6743\u8861\u3002\u4f8b\u5982\uff0c\u9488\u5bf9\u5927\u4e2d\u534e\u533a\u7528\u6237\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u6216\u9999\u6e2fVPS\u80fd\u591f\u63d0\u4f9b\u8f83\u4f4e\u5ef6\u8fdf\uff1b\u800c\u9762\u5411\u7f8e\u6d32\u7528\u6237\uff0c\u5efa\u8bae\u7ed3\u5408\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u7f8e\u56fdVPS\u90e8\u7f72\u533a\u57df\u7f13\u5b58\u3002\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u9002\u5408\u8986\u76d6\u4e1c\u4e9a\u5317\u90e8\u5e02\u573a\uff1b\u65b0\u52a0\u5761\u670d\u52a1\u5668\u5728\u4e1c\u5357\u4e9a\u5177\u6709\u6210\u672c\u4e0e\u5ef6\u8fdf\u5e73\u8861\u4f18\u52bf\u3002\u5bf9\u4e8e\u9700\u8981\u5168\u7403\u8986\u76d6\u7684\u5e94\u7528\uff0c\u6df7\u5408\u4f7f\u7528\u6d77\u5916\u670d\u52a1\u5668\u4e0e\u672c\u5730POP\u80fd\u517c\u987e\u6027\u80fd\u4e0e\u6210\u672c\u3002<\/p>\n<h2>\u9009\u8d2d\u5efa\u8bae\u4e0e\u5b9e\u8df5\u6e05\u5355<\/h2>\n<p>\u5728\u9009\u8d2dCDN\u6216\u670d\u52a1\u5668\u65f6\uff0c\u53ef\u53c2\u8003\u4ee5\u4e0b\u6e05\u5355\uff1a<\/p>\n<ul>\n<li>\u660e\u786e\u76ee\u6807\u7528\u6237\u5206\u5e03\uff1a\u6309\u5730\u57df\u4f18\u5148\u7ea7\u9009\u62e9\u8fb9\u7f18\u4e0e\u533a\u57df\u8282\u70b9\uff08\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u3001\u65b0\u52a0\u5761\u7b49\uff09\u3002<\/li>\n<li>\u8bc4\u4f30\u56de\u6e90\u7f51\u7edc\u5e26\u5bbd\u4e0e\u7a81\u53d1\u80fd\u529b\uff1a\u786e\u4fdd\u6e90\u7ad9\uff08\u65e0\u8bba\u662f\u4e91\u4e3b\u673a\u8fd8\u662f\u9999\u6e2f\u670d\u52a1\u5668\uff09\u80fd\u627f\u53d7\u56de\u6e90\u5cf0\u503c\u3002<\/li>\n<li>\u5173\u6ce8CDN\u529f\u80fd\uff1a\u662f\u5426\u652f\u6301stale-while-revalidate\u3001stale-if-error\u3001\u81ea\u5b9a\u4e49\u7f13\u5b58\u952e\u3001\u8fb9\u7f18\u8ba1\u7b97\u4e0e\u7f13\u5b58\u9884\u70edAPI\u3002<\/li>\n<li>\u6d4b\u8bd5\u5e76\u89c2\u5bdf\u771f\u5b9e\u6d41\u91cf\u4e0b\u7684\u547d\u4e2d\u7387\u4e0e\u54cd\u5e94\u65f6\u5ef6\uff0c\u7ed3\u5408AB\u6d4b\u8bd5\u8c03\u6574TTL\u4e0e\u7f13\u5b58\u89c4\u5219\u3002<\/li>\n<li>\u8003\u8651\u57df\u540d\u6ce8\u518c\u4e0eDNS\u7b56\u7565\uff1a\u4f7f\u7528\u9760\u8fd1\u7528\u6237\u7684\u6743\u5a01DNS\u6216Anycast DNS\u80fd\u8fdb\u4e00\u6b65\u964d\u4f4e\u89e3\u6790\u5ef6\u8fdf\uff0c\u57df\u540d\u6ce8\u518c\u9009\u62e9\u5177\u5907\u5168\u7403\u89e3\u6790\u80fd\u529b\u7684\u6ce8\u518c\u5546\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u591a\u5c42\u7f13\u5b58\u5e76\u4e0d\u662f\u7b80\u5355\u5730\u5806\u53e0\u7f13\u5b58\u8282\u70b9\uff0c\u800c\u662f\u901a\u8fc7\u5bf9\u7f13\u5b58\u952e\u3001TTL\u7b56\u7565\u3001\u5931\u6548\u673a\u5236\u4e0e\u56de\u6e90\u7b56\u7565\u7684\u7cbe\u7ec6\u5316\u7ba1\u7406\u6765\u5b9e\u73b0\u66f4\u9ad8\u7684\u547d\u4e2d\u7387\u3001\u66f4\u4f4e\u7684\u5ef6\u8fdf\u548c\u66f4\u5f3a\u7684\u6297\u538b\u80fd\u529b\u3002\u5bf9\u7ad9\u957f\u3001\u4f01\u4e1a\u4e0e\u5f00\u53d1\u8005\u800c\u8a00\uff0c\u5408\u7406\u9009\u62e9\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u5176\u4ed6\u533a\u57df\u7684\u670d\u52a1\u5668\u8d44\u6e90\uff0c\u5e76\u7ed3\u5408\u5408\u9002\u7684CDN\u529f\u80fd\uff08\u5982\u8fb9\u7f18\u8ba1\u7b97\u3001\u6761\u4ef6\u8bf7\u6c42\u4e0e\u7f13\u5b58\u9884\u70ed\uff09\uff0c\u662f\u6784\u5efa\u7a33\u5b9a\u9ad8\u6548\u5206\u53d1\u4f53\u7cfb\u7684\u5173\u952e\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u4e3a\u7ad9\u70b9\u9009\u62e9\u5408\u9002\u7684\u670d\u52a1\u5668\u6216\u9700\u8981\u5feb\u901f\u90e8\u7f72\u533a\u57df\u8282\u70b9\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u4eec\u7684\u4ea7\u54c1\u4e0e\u670d\u52a1\u4e86\u89e3\u66f4\u591a\u90e8\u7f72\u7ec6\u8282\uff1a<a href=\"https:\/\/server.hk\/\">Server.HK \u5b98\u65b9\u7f51\u7ad9<\/a>\uff0c\u6216\u76f4\u63a5\u67e5\u770b\u9999\u6e2f\u670d\u52a1\u5668\u4ea7\u54c1\u9875\u83b7\u53d6\u5177\u4f53\u914d\u7f6e\u4e0e\u8ba1\u8d39\u4fe1\u606f\uff1a<a href=\"https:\/\/server.hk\/server.php\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u9ad8\u8981\u6c42\u7684\u4e92\u8054\u7f51\u73af\u5883\u4e0b\uff0cCDN \u591a\u5c42\u7f13\u5b58 \u662f\u63d0\u5347\u54cd\u5e94\u901f\u5ea6\u4e0e\u7a33\u5b9a\u6027\u7684\u5229\u5668\u3002\u672c\u6587\u4ece\u539f\u7406\u5230\u5b9e\u8df5\u3001\u9009\u8d2d\u5efa\u8bae\u5168\u65b9\u4f4d\u89e3\u6790\uff0c\u5e2e\u4f60\u5728\u90e8\u7f72\u9999\u6e2f\u3001\u7f8e\u56fd\u6216\u5176\u4ed6\u6d77\u5916\u670d\u52a1\u5668\u65f6\u8bbe\u8ba1\u9ad8\u6548\u7f13\u5b58\u7b56\u7565\u5e76\u4f18\u5316\u6027\u80fd\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4928],"tags":[3064,2840,3065,2907,3039,2141,2892,3066,2888,3043],"class_list":{"0":"post-209569","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-4928","7":"tag-cdn","9":"tag-3065","10":"tag-2907","11":"tag-3039","12":"tag-2141","13":"tag-2892","14":"tag-3066","15":"tag-2888"},"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209569","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=209569"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209569\/revisions"}],"predecessor-version":[{"id":209570,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209569\/revisions\/209570"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=209569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=209569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=209569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}