{"id":210061,"date":"2025-10-24T04:44:57","date_gmt":"2025-10-23T20:44:57","guid":{"rendered":"https:\/\/www.server.hk\/blog\/210061\/"},"modified":"2025-10-24T04:44:58","modified_gmt":"2025-10-23T20:44:58","slug":"cdn-264","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/210061\/","title":{"rendered":"CDN\u7f13\u5b58\u5237\u65b0\u4e0e\u5931\u6548\u5b9e\u6218\u89e3\u6790"},"content":{"rendered":"<p>\u5728\u73b0\u4ee3\u4e92\u8054\u7f51\u67b6\u6784\u4e2d\uff0cCDN\uff08\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff09\u662f\u63d0\u5347\u7f51\u7ad9\u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\u7684\u5173\u952e\u7ec4\u4ef6\u3002\u4f46\u968f\u4e4b\u800c\u6765\u7684\u4e00\u5927\u6311\u6218\u662f\u5982\u4f55\u5728\u5185\u5bb9\u66f4\u65b0\u65f6\uff0c<strong>\u53ca\u65f6\u5e76\u51c6\u786e\u5730\u5237\u65b0\u6216\u5931\u6548\u8fb9\u7f18\u7f13\u5b58<\/strong>\u3002\u672c\u6587\u5c06\u4ece\u539f\u7406\u3001\u5e38\u89c1\u5e94\u7528\u573a\u666f\u3001\u6280\u672f\u5b9e\u73b0\u7ec6\u8282\u4e0e\u9009\u62e9\u5efa\u8bae\u7b49\u591a\u4e2a\u89d2\u5ea6\uff0c\u6df1\u5165\u89e3\u6790 CDN \u7f13\u5b58\u5237\u65b0\u4e0e\u5931\u6548\u7684\u5b9e\u6218\u8981\u70b9\uff0c\u5e2e\u52a9\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\u5728\u4f7f\u7528\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u5176\u4ed6\u6d77\u5916\u8282\u70b9\uff08\u5982\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668\uff09\u65f6\uff0c\u6784\u5efa\u66f4\u53ef\u9760\u7684\u7f13\u5b58\u7b56\u7565\u3002<\/p>\n<h2>\u4e00\u3001\u7f13\u5b58\u539f\u7406\u4e0e\u8fb9\u7f18\/\u56de\u6e90\u5173\u7cfb<\/h2>\n<p>CDN \u7684\u57fa\u672c\u6a21\u578b\u662f\u628a\u9759\u6001\u6216\u534a\u9759\u6001\u5185\u5bb9\u7f13\u5b58\u5728\u5206\u5e03\u4e8e\u5168\u7403\u7684\u8fb9\u7f18\u8282\u70b9\uff0c\u7528\u6237\u8bbf\u95ee\u65f6\u4f18\u5148\u4ece\u5c31\u8fd1\u8fb9\u7f18\u8282\u70b9\u83b7\u53d6\u5185\u5bb9\uff0c\u51cf\u5c11\u56de\u6e90\u8bf7\u6c42\u4e0e\u5ef6\u8fdf\u3002<strong>\u7f13\u5b58\u673a\u5236\u4f9d\u8d56\u4e8e\u4e24\u4e2a\u6838\u5fc3\u8981\u7d20\uff1a\u7f13\u5b58\u63a7\u5236\u7b56\u7565\uff08TTL\u3001Cache-Control\u3001Expires\uff09\u4e0e\u7f13\u5b58\u952e\uff08URL\u3001Query\u3001Headers\uff09<\/strong>\u3002\u7406\u89e3\u56de\u6e90\uff08origin\uff09\u4e0e\u8fb9\u7f18\uff08edge\uff09\u7684\u4ea4\u4e92\u662f\u8bbe\u8ba1\u5931\u6548\u7b56\u7565\u7684\u57fa\u7840\u3002<\/p>\n<h3>\u7f13\u5b58\u952e\u4e0e\u547d\u4e2d\u7387<\/h3>\n<ul>\n<li>URL \u8def\u5f84\u4e0e\u67e5\u8be2\u5b57\u7b26\u4e32\uff08Query String\uff09\u662f\u5426\u53c2\u4e0e\u7f13\u5b58\u51b3\u5b9a\u4e86\u540c\u4e00\u8d44\u6e90\u7684\u547d\u4e2d\u7387\u3002<\/li>\n<li>Headers\uff08\u5982 Accept-Encoding\u3001Cookie\uff09\u4e5f\u53ef\u4f5c\u4e3a\u7f13\u5b58\u952e\uff0c\u8bef\u7528\u4f1a\u6781\u5927\u964d\u4f4e\u547d\u4e2d\u7387\u3002<\/li>\n<li>\u5408\u7406\u5f52\u4e00\u5316 URL \u4e0e\u79fb\u9664\u65e0\u7528 Query \u53c2\u6570\u53ef\u63d0\u5347\u8fb9\u7f18\u547d\u4e2d\u7387\u3002<\/li>\n<\/ul>\n<h3>TTL \u4e0e\u7f13\u5b58\u5206\u5c42<\/h3>\n<p>\u8fb9\u7f18\u8282\u70b9\u901a\u5e38\u6709\u72ec\u7acb\u7684 TTL\uff0c\u4e14\u4e0d\u540c\u533a\u57df\u8282\u70b9\u53ef\u80fd\u914d\u7f6e\u4e0d\u4e00\u81f4\u3002\u9664\u4e86\u8fb9\u7f18\u7f13\u5b58\u5916\uff0c\u90e8\u5206\u67b6\u6784\u91c7\u7528\u591a\u7ea7\u7f13\u5b58\uff08\u5982\u672c\u5730\u7f13\u5b58 -&gt; \u4e2d\u592e\u7f13\u5b58 -&gt; \u6e90\u7ad9\uff09\uff0c\u9700\u8981\u5728\u5931\u6548\u65f6\u540c\u6b65\u5404\u5c42\u3002<\/p>\n<h2>\u4e8c\u3001\u5e38\u89c1\u7f13\u5b58\u5237\u65b0\u4e0e\u5931\u6548\u7b56\u7565<\/h2>\n<p>\u6839\u636e\u4e1a\u52a1\u9700\u6c42\uff0c\u53ef\u91c7\u7528\u4e3b\u52a8\u5237\u65b0\uff08Purge\/Invalidate\uff09\u6216\u88ab\u52a8\u7b56\u7565\uff08\u77ed TTL\u3001\u7248\u672c\u5316\uff09\u3002\u4e24\u8005\u6709\u5404\u81ea\u4f18\u52a3\u3002<\/p>\n<h3>\u4e3b\u52a8\u5237\u65b0\uff08Purge\/Invalidate\uff09<\/h3>\n<ul>\n<li>\u901a\u8fc7 CDN \u63d0\u4f9b\u7684 API \u6216\u63a7\u5236\u53f0\u53d1\u8d77\u8bf7\u6c42\uff0c\u5c06\u7279\u5b9a URL \u6216\u5339\u914d\u89c4\u5219\u7684\u5185\u5bb9\u4ece\u8fb9\u7f18\u8282\u70b9\u6e05\u9664\u6216\u6807\u8bb0\u4e3a\u5931\u6548\u3002\u9002\u7528\u4e8e\u5185\u5bb9\u66f4\u65b0\u9891\u7e41\u4f46\u9700\u5373\u65f6\u751f\u6548\u7684\u573a\u666f\u3002<\/li>\n<li>\u652f\u6301\u6309 URL\u3001\u76ee\u5f55\u3001\u901a\u914d\u7b26\u6216\u201cSurrogate-Key\u201d\u6279\u91cf\u5931\u6548\u7684 CDN\uff08\u5982 Fastly \u7684 surrogate-key\uff09\u66f4\u4fbf\u4e8e\u5bf9\u9759\u6001\u8d44\u6e90\u6216\u6587\u7ae0\u7c7b\u5185\u5bb9\u505a\u7cbe\u786e\u5931\u6548\u3002<\/li>\n<li>\u6ce8\u610f\uff1a\u9891\u7e41\u5168\u5c40 Purge \u4f1a\u5e26\u6765\u7f13\u5b58\u51fb\u7a7f\u548c\u989d\u5916\u56de\u6e90\u6d41\u91cf\uff0c\u5e76\u53ef\u80fd\u89e6\u53d1 CDN \u7684\u901f\u7387\u9650\u5236\u6216\u8ba1\u8d39\u3002<\/li>\n<\/ul>\n<h3>\u7248\u672c\u5316\uff08Cache Busting\uff09<\/h3>\n<ul>\n<li>\u901a\u8fc7\u5728\u9759\u6001\u8d44\u6e90 URL \u4e0a\u52a0\u5165\u7248\u672c\u53f7\uff08\u5982 app.v123.css \u6216 ?v=123\uff09\u6765\u907f\u514d\u4f9d\u8d56 Purge\uff0c\u9002\u5408\u9759\u6001\u8d44\u6e90\uff08JS\/CSS\/\u56fe\u7247\uff09\u3002<\/li>\n<li>\u4f18\u70b9\u662f\u7b80\u5355\u4e14\u65e0\u9700\u8c03\u7528 API\uff1b\u7f3a\u70b9\u662f\u9700\u8981\u6784\u5efa\/\u90e8\u7f72\u94fe\u8def\u652f\u6301\uff0c\u5e76\u53ef\u80fd\u4ea7\u751f\u66f4\u591a\u7684\u5b58\u50a8\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<h3>\u7f13\u5b58\u63a7\u5236\u5934\uff08Cache-Control\u3001ETag\u3001Last-Modified\uff09<\/h3>\n<ul>\n<li>Cache-Control: max-age\u3001s-maxage\u3001public\/private\u3001no-cache \u7b49\u6307\u4ee4\u51b3\u5b9a\u7f13\u5b58\u884c\u4e3a\u4e0e\u4ee3\u7406\u7b56\u7565\u3002<\/li>\n<li>ETag \u4e0e Last-Modified \u7ed3\u5408\u6761\u4ef6\u8bf7\u6c42\uff08If-None-Match\u3001If-Modified-Since\uff09\u5141\u8bb8\u8fb9\u7f18\u6216\u5ba2\u6237\u7aef\u8fdb\u884c\u534f\u5546\u7f13\u5b58\uff0c\u51cf\u5c11\u4e0d\u5fc5\u8981\u4f20\u8f93\u3002<\/li>\n<li>Stale-while-revalidate \u4e0e Stale-if-error \u63d0\u5347\u7528\u6237\u4f53\u9a8c\uff1a\u5f53\u56de\u6e90\u4e0d\u53ef\u7528\u6216\u6b63\u5728\u5237\u65b0\u65f6\uff0c\u8fb9\u7f18\u53ef\u4ee5\u8fd4\u56de\u8fc7\u671f\u4f46\u53ef\u7528\u7684\u7248\u672c\u3002<\/li>\n<\/ul>\n<h3>\u5c40\u90e8\/\u5206\u5c42\u5931\u6548\u4e0e\u70ed\u70b9\u4fdd\u62a4<\/h3>\n<p>\u5bf9\u9ad8\u5e76\u53d1\u7684\u201c\u70ed\u70b9\u201d\u8d44\u6e90\uff0c\u5e94\u91c7\u7528\u9650\u901f\u56de\u6e90\u3001\u9884\u70ed\uff08prefetch\uff09\u3001\u6216\u52a8\u6001\u56de\u6e90 throttling\uff0c\u4ee5\u907f\u514d purge \u540e\u77ac\u65f6\u56de\u6e90\u6d2a\u5cf0\u5bfc\u81f4\u6e90\u7ad9\u8fc7\u8f7d\u3002\u5e38\u7528\u5b9e\u8df5\u5305\u62ec\u4f7f\u7528\u540e\u53f0\u4efb\u52a1\u9010\u6b65\u5237\u65b0\u8fb9\u7f18\u7f13\u5b58\u6216\u5728\u6e90\u7ad9\u542f\u7528\u7f13\u5b58\u5c42\uff08\u5982 Varnish\u3001Nginx \u7f13\u5b58\uff09\u3002<\/p>\n<h2>\u4e09\u3001\u5b9e\u73b0\u7ec6\u8282\u4e0e\u5b9e\u6218\u6837\u4f8b\uff08\u5de5\u5177\u4e0e\u547d\u4ee4\u7ea7\u601d\u8def\uff09<\/h2>\n<p>\u4e0b\u9762\u5217\u4e3e\u4e00\u4e9b\u5728\u751f\u4ea7\u73af\u5883\u5e38\u89c1\u7684\u5b9e\u73b0\u7ec6\u8282\u4e0e\u6ce8\u610f\u4e8b\u9879\uff0c\u4fbf\u4e8e\u5728\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS \u6216\u6d77\u5916\u670d\u52a1\u5668\u4e0a\u843d\u5730\u6267\u884c\u3002<\/p>\n<h3>1. \u81ea\u52a8\u5316 Purge \u6d41\u7a0b<\/h3>\n<ul>\n<li>\u4f7f\u7528 CI\/CD \u5728\u90e8\u7f72\u5b8c\u6210\u540e\u8c03\u7528 CDN API \u6279\u91cf\u5931\u6548\u5bf9\u5e94\u8def\u5f84\u6216\u901a\u8fc7 Surrogate-Key \u52a8\u6001\u6807\u8bb0\u8d44\u6e90\u3002<\/li>\n<li>\u5bf9\u6587\u7ae0\u7c7b\u7f51\u7ad9\uff1a\u5728\u66f4\u65b0\u6587\u7ae0\u65f6\u8c03\u7528\u300c\u6e05\u9664\u8be5\u6587\u7ae0\u53ca\u76f8\u5173\u805a\u5408\u9875\u9762\uff08\u5217\u8868\u9875\u3001\u6807\u7b7e\u9875\uff09\u300d\u7684 API\u3002\u82e5\u652f\u6301 surrogate-key\uff0c\u53ea\u9700\u5728\u56de\u6e90\u54cd\u5e94\u5934\u4e2d\u6ce8\u5165\u8be5 key\uff0c\u4fbf\u4e8e\u540e\u7eed\u6309 key \u6279\u91cf\u5931\u6548\u3002<\/li>\n<li>\u6ce8\u610f\u6743\u9650\u63a7\u5236\uff1a\u4f7f\u7528\u6700\u5c0f\u6743\u9650\u7684 API Key \u5e76\u9650\u5236\u6765\u6e90 IP\uff0c\u907f\u514d\u6ee5\u7528\u3002<\/li>\n<\/ul>\n<h3>2. \u56de\u6e90\u670d\u52a1\u5668\u5934\u4e0e\u7f13\u5b58\u7b56\u7565\u793a\u4f8b<\/h3>\n<p>\u5efa\u8bae\u5728\u56de\u6e90\uff08\u5982\u914d\u7f6e\u5728\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\u7684 Nginx\uff09\u8bbe\u7f6e\u5408\u7406\u7684\u5934\u4fe1\u606f\uff1a<\/p>\n<ul>\n<li>\u9759\u6001\u8d44\u6e90\uff1aCache-Control: public, max-age=31536000, immutable\uff08\u914d\u5408\u7248\u672c\u5316\uff09<\/li>\n<li>\u9891\u7e41\u53d8\u66f4\u8d44\u6e90\uff1aCache-Control: public, s-maxage=60, stale-while-revalidate=30<\/li>\n<li>\u4e3a\u6bcf\u6b21\u8d44\u6e90\u54cd\u5e94\u6dfb\u52a0 Surrogate-Key: article-123 tag-home\uff08\u4fbf\u4e8e\u540e\u7eed\u7cbe\u786e\u5931\u6548\uff09<\/li>\n<\/ul>\n<h3>3. \u7f13\u5b58\u8bca\u65ad\u4e0e\u76d1\u63a7<\/h3>\n<ul>\n<li>\u4f7f\u7528 curl \u6216\u6d4f\u89c8\u5668\u5f00\u53d1\u8005\u5de5\u5177\u67e5\u770b\u54cd\u5e94\u5934\uff08X-Cache\u3001X-Cache-Hits\u3001Age\uff09\u5224\u65ad\u662f\u5426\u547d\u4e2d\u8fb9\u7f18\u7f13\u5b58\u3002<\/li>\n<li>\u5f00\u542f CDN \u65e5\u5fd7\u5e76\u4e0e\u6e90\u7ad9\u8bbf\u95ee\u65e5\u5fd7\u5173\u8054\u5206\u6790\uff0c\u5b9a\u4f4d\u56e0\u5931\u6548\u5bfc\u81f4\u7684\u56de\u6e90\u6d41\u91cf\u4e0e\u5ef6\u8fdf\u3002<\/li>\n<li>\u76d1\u63a7 purge \u8bf7\u6c42\u9891\u6b21\u4e0e\u5931\u8d25\u7387\uff0c\u8bbe\u8ba1\u9000\u907f\u91cd\u8bd5\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h2>\u56db\u3001\u4f18\u52bf\u6bd4\u8f83\u4e0e\u9009\u578b\u5efa\u8bae<\/h2>\n<p>\u4e0d\u540c\u4e1a\u52a1\u573a\u666f\u4e0e\u5730\u57df\u8986\u76d6\u9700\u6c42\u4f1a\u5f71\u54cd CDN \u5931\u6548\u7b56\u7565\u4e0e\u6240\u9009\u670d\u52a1\u3002\u4e0b\u9762\u7ed9\u51fa\u51e0\u70b9\u5efa\u8bae\uff0c\u4fbf\u4e8e\u5728\u4f7f\u7528\u9999\u6e2f\u3001\u7f8e\u56fd\u3001\u65e5\u672c\u3001\u97e9\u56fd\u6216\u65b0\u52a0\u5761\u7b49\u8282\u70b9\u65f6\u505a\u51b3\u7b56\u3002<\/p>\n<h3>\u6309\u4e1a\u52a1\u573a\u666f\u9009\u578b<\/h3>\n<ul>\n<li>\u5168\u7403\u6d41\u91cf\u3001\u9700\u4f4e\u5ef6\u8fdf\uff1a\u9009\u62e9\u8986\u76d6\u5e7f\u3001\u8fb9\u7f18\u8282\u70b9\u591a\u7684 CDN \u5e76\u4f7f\u7528\u667a\u80fd\u8def\u7531\u3002\u82e5\u4e3b\u8981\u7528\u6237\u5728\u4e9a\u592a\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u6216\u65b0\u52a0\u5761\u8282\u70b9\u4f18\u5148\u3002<\/li>\n<li>\u5185\u5bb9\u66f4\u65b0\u9891\u7e41\uff08\u65b0\u95fb\u3001\u7535\u5546\uff09\uff1a\u4f18\u5148\u652f\u6301\u7ec6\u7c92\u5ea6\u5931\u6548\uff08surrogate-key\u3001\u6309\u8def\u5f84\u6279\u91cf purge\uff09\u7684 CDN\uff0c\u907f\u514d\u5168\u5c40\u5931\u6548\u3002<\/li>\n<li>\u9759\u6001\u8d44\u6e90\u538b\u7f29\u4e14\u66f4\u65b0\u5c11\uff1a\u91c7\u7528\u7248\u672c\u5316\u7b56\u7565\u5e76\u957f\u7f13\u5b58\uff0c\u5927\u5e45\u964d\u4f4e Purge \u9700\u6c42\u3002<\/li>\n<\/ul>\n<h3>\u6210\u672c\u4e0e\u6027\u80fd\u6743\u8861<\/h3>\n<p>\u4e3b\u52a8 Purge \u4f1a\u4ea7\u751f\u64cd\u4f5c\u6210\u672c\uff08API \u8c03\u7528\u3001\u56de\u6e90\u6d41\u91cf\uff09\uff0c\u800c\u77ed TTL \u4f1a\u589e\u52a0\u56de\u6e90\u9891\u7387\u3002\u901a\u5e38\u63a8\u8350\uff1a\u9759\u6001\u8d44\u6e90\u7528\u7248\u672c\u5316 + \u957f\u7f13\u5b58\uff1b\u52a8\u6001\u6216\u9891\u7e41\u53d8\u66f4\u5185\u5bb9\u7528\u77ed TTL + \u7cbe\u786e purge \u6216 surrogate-key\u3002<\/p>\n<h2>\u4e94\u3001\u5e38\u89c1\u5751\u4e0e\u9632\u62a4\u5efa\u8bae<\/h2>\n<ul>\n<li>\u8bef\u7528 Cookie\/Authorization \u5bfc\u81f4\u7f13\u5b58\u5931\u6548\uff1a\u5c06\u4e0d\u5fc5\u8981\u7684 Header \u4ece\u7f13\u5b58\u952e\u4e2d\u5254\u9664\uff0c\u6216\u4ec5\u5bf9\u9700\u9274\u6743\u7684\u8def\u5f84\u7981\u7528\u5171\u4eab\u7f13\u5b58\u3002<\/li>\n<li>\u6279\u91cf PURGE \u8d85\u9650\uff1a\u5bf9\u5927\u89c4\u6a21\u7ad9\u70b9\u505a\u5206\u6279\u3001\u5206\u65f6\u6bb5\u5237\u65b0\uff0c\u5e76\u4f7f\u7528\u589e\u91cf\u5931\u6548\u6216\u6807\u7b7e\u5316\u7b56\u7565\u3002<\/li>\n<li>\u6e90\u7ad9\u4e0d\u8fd4\u56de\u7f13\u5b58\u5934\u6216\u8fd4\u56de conflicting header\uff1a\u7edf\u4e00\u7531\u56de\u6e90\u6216\u8fb9\u7f18\u7edf\u4e00\u7ba1\u7406 Cache-Control\uff0c\u907f\u514d\u4e0d\u540c\u5c42\u8bbe\u7f6e\u51b2\u7a81\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u5c0f\u7ed3\uff1a<\/strong>\u5408\u7406\u7ed3\u5408\u201c\u7248\u672c\u5316 + \u7cbe\u786e purge + \u7f13\u5b58\u63a7\u5236\u5934 + \u76d1\u63a7\u62a5\u8b66\u201d\u662f\u6784\u5efa\u7a33\u5b9a\u7f13\u5b58\u5237\u65b0\u673a\u5236\u7684\u6838\u5fc3\u3002\u5bf9\u4e8e\u5e0c\u671b\u5728\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS \u6216\u5176\u4ed6\u6d77\u5916\u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u9ad8\u53ef\u7528\u7ad9\u70b9\u7684\u56e2\u961f\uff0c\u505a\u597d\u56de\u6e90\u5934\u8bbe\u8ba1\u4e0e\u81ea\u52a8\u5316\u5237\u65b0\u6d41\u7a0b\uff0c\u80fd\u591f\u663e\u8457\u964d\u4f4e\u56de\u6e90\u538b\u529b\u5e76\u4fdd\u8bc1\u5185\u5bb9\u66f4\u65b0\u7684\u53ca\u65f6\u6027\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>CDN \u7f13\u5b58\u5237\u65b0\u4e0e\u5931\u6548\u5e76\u975e\u5355\u4e00\u6280\u672f\uff0c\u800c\u662f\u9700\u8981\u5728\u90e8\u7f72\u3001\u5934\u4fe1\u606f\u8bbe\u8ba1\u3001\u81ea\u52a8\u5316\u4e0e\u76d1\u63a7\u4e4b\u95f4\u627e\u5230\u5e73\u8861\u3002\u9762\u5bf9\u4e0d\u540c\u5730\u57df\uff08\u5982\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u3001\u65e5\u672c\u670d\u52a1\u5668\u3001\u97e9\u56fd\u670d\u52a1\u5668\u3001\u65b0\u52a0\u5761\u670d\u52a1\u5668\uff09\u7684\u7528\u6237\u5206\u5e03\uff0c\u5e94\u7ed3\u5408\u4e1a\u52a1\u7279\u6027\u9009\u62e9\u9002\u5f53\u7684\u5931\u6548\u7b56\u7565\uff1a\u9759\u6001\u8d44\u6e90\u4f18\u5148\u7248\u672c\u5316\uff0c\u52a8\u6001\u5185\u5bb9\u4f7f\u7528\u7cbe\u786e Purge \u6216 surrogate-key\uff0c\u5e76\u901a\u8fc7\u5408\u7406\u7684 Cache-Control \u4e0e\u534f\u5546\u7f13\u5b58\u964d\u4f4e\u5f00\u9500\u3002\u5b9e\u65bd\u65f6\u6ce8\u610f\u6743\u9650\u3001\u901f\u7387\u9650\u5236\u4e0e\u56de\u6e90\u6d2a\u5cf0\u9632\u62a4\uff0c\u914d\u5408\u65e5\u5fd7\u4e0e\u76d1\u63a7\u5b8c\u6210\u95ed\u73af\u3002<\/p>\n<p>\u66f4\u591a\u5173\u4e8e\u670d\u52a1\u5668\u4e0e\u6d77\u5916\u90e8\u7f72\u9009\u9879\u7684\u53c2\u8003\uff0c\u53ef\u67e5\u770b Server.HK \u7684\u9999\u6e2f\u670d\u52a1\u5668\u4e0e\u5176\u4ed6\u4ea7\u54c1\u9875\uff0c\u5e2e\u52a9\u60a8\u5728\u9009\u8d2d\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS \u6216\u57df\u540d\u6ce8\u518c\u4e0e\u6d77\u5916\u670d\u52a1\u5668\u914d\u7f6e\u65f6\u505a\u51fa\u66f4\u5408\u9002\u7684\u51b3\u5b9a\uff1a<a href=\"https:\/\/server.hk\/\">Server.HK<\/a>\u3001<a href=\"https:\/\/server.hk\/server.php\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5185\u5bb9\u66f4\u65b0\u540e\u5982\u4f55\u786e\u4fdd\u8fb9\u7f18\u8282\u70b9\u5373\u65f6\u5931\u6548\u4e0e\u9ad8\u6548\u56de\u6e90\uff1f\u672c\u6587\u4ece\u539f\u7406\u5230\u5b9e\u64cd\u3001\u4ece\u6280\u672f\u7ec6\u8282\u5230\u8282\u70b9\u9009\u62e9\uff0c\u5e2e\u4f60\u638c\u63e1 CDN \u7f13\u5b58\u5237\u65b0 \u7684\u7b56\u7565\u4e0e\u5de5\u5177\uff0c\u8ba9\u9999\u6e2f\u3001\u7f8e\u56fd\u7b49\u6d77\u5916\u670d\u52a1\u5668\u4e0a\u7684\u5185\u5bb9\u540c\u6b65\u66f4\u53ef\u9760\u3001\u66f4\u9ad8\u6548\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":[3975,4294,2900,4295,4296,2892,4104,4297],"class_list":{"0":"post-210061","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-4928","7":"tag-cdn","10":"tag-4295","11":"tag-4296","12":"tag-2892","13":"tag-4104","14":"tag-4297"},"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/210061","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=210061"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/210061\/revisions"}],"predecessor-version":[{"id":210062,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/210061\/revisions\/210062"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=210061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=210061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=210061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}