{"id":955,"date":"2014-07-06T20:56:12","date_gmt":"2014-07-06T12:56:12","guid":{"rendered":"http:\/\/coderbee.net\/?p=955"},"modified":"2014-07-06T20:56:56","modified_gmt":"2014-07-06T12:56:56","slug":"%e3%80%8a%e5%a4%a7%e5%9e%8b%e7%bd%91%e7%ab%99%e6%8a%80%e6%9c%af%e6%9e%b6%e6%9e%84%e3%80%8b-%e7%ac%94%e8%ae%b0-%ef%bc%8d-%e6%9e%b6%e6%9e%84%e7%af%87","status":"publish","type":"post","link":"https:\/\/coderbee.net\/index.php\/readingnote\/20140706\/955","title":{"rendered":"\u300a\u5927\u578b\u7f51\u7ad9\u6280\u672f\u67b6\u6784\u300b \u7b14\u8bb0 \uff0d \u67b6\u6784\u7bc7"},"content":{"rendered":"<h1>\u7b2c\u56db\u7ae0 \u77ac\u65f6\u54cd\u5e94\uff1a\u7f51\u7ad9\u7684\u9ad8\u6027\u80fd\u67b6\u6784<\/h1>\n<h2>4.1 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\u6d4f\u89c8\u5668\u8bbf\u95ee\u4f18\u5316<\/h3>\n<ul>\n<li>\u51cf\u5c11http\u8bf7\u6c42\uff1a\u5408\u5e76\u3001\u538b\u7f29CSS\u3001JS\uff0c\u5408\u5e76\u56fe\u7247\uff0c<em>\u4f7f\u7528Ajax\u5c40\u90e8\u5237\u65b0\u9875\u9762<\/em>\u3002<\/li>\n<li>\n<p>\u4f7f\u7528\u6d4f\u89c8\u5668\u7f13\u5b58\uff1a<\/p>\n<blockquote>\n<ul>\n<li>Expires\uff1a\u544a\u8bc9\u7f13\u5b58\u5668\uff1a\u76f8\u5173\u526f\u672c\u5728\u591a\u957f\u65f6\u95f4\u5185\u662f\u65b0\u9c9c\u7684\u3002\u8fc7\u4e86\u8fd9\u4e2a\u65f6\u95f4\uff0c\u7f13\u5b58\u5668\u5c31\u4f1a\u5411\u6e90\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\uff0c\u68c0\u67e5\u6587\u6863\u662f\u5426\u88ab\u4fee\u6539\u3002<\/li>\n<li>Cache-Control\uff1a<br \/>\n  >   *   max-age=[\u79d2] \u2014 \u6267\u884c\u7f13\u5b58\u88ab\u8ba4\u4e3a\u662f\u6700\u65b0\u7684\u6700\u957f\u65f6\u95f4\u3002\u8fd9\u4e2a\u53c2\u6570\u662f\u57fa\u4e8e\u8bf7\u6c42\u65f6\u95f4\u7684\u76f8\u5bf9\u65f6\u95f4\u95f4\u9694\uff0c\u800c\u4e0d\u662f\u7edd\u5bf9\u8fc7\u671f\u65f6\u95f4\uff0c[\u79d2]\u662f\u4e00\u4e2a\u6570\u5b57\uff0c\u5355\u4f4d\u662f\u79d2\uff1a\u4ece\u8bf7\u6c42\u65f6\u95f4 \u5f00\u59cb\u5230\u8fc7\u671f\u65f6\u95f4\u4e4b\u95f4\u7684\u79d2\u6570\u3002<br \/>\n  >   *   s-maxage=[\u79d2] \u2014 \u7c7b\u4f3c\u4e8emax-age\u5c5e\u6027\uff0c\u9664\u4e86\u4ed6\u5e94\u7528\u4e8e\u5171\u4eab\uff08\u5982\uff1a\u4ee3\u7406\u670d\u52a1\u5668\uff09\u7f13\u5b58<br \/>\n  >   *   public \u2014 \u6807\u8bb0\u8ba4\u8bc1\u5185\u5bb9\u4e5f\u53ef\u4ee5\u88ab\u7f13\u5b58\uff0c\u4e00\u822c\u6765\u8bf4\uff1a \u7ecf\u8fc7HTTP\u8ba4\u8bc1\u624d\u80fd\u8bbf\u95ee\u7684\u5185\u5bb9\uff0c\u8f93\u51fa\u662f\u81ea\u52a8\u4e0d\u53ef\u4ee5\u7f13\u5b58\u7684\uff1b<br \/>\n  >   *   no-cache \u2014 \u5f3a\u5236\u6bcf\u6b21\u8bf7\u6c42\u76f4\u63a5\u53d1\u9001\u7ed9\u6e90\u670d\u52a1\u5668\uff0c\u800c\u4e0d\u7ecf\u8fc7\u672c\u5730\u7f13\u5b58\u7248\u672c\u7684\u6821\u9a8c\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u786e\u8ba4\u8ba4\u8bc1\u5e94\u7528\u5f88\u6709\u7528\uff08\u53ef\u4ee5\u548cpublic\u7ed3\u5408\u4f7f\u7528\uff09\uff0c\u6216\u8005\u4e25\u683c\u8981\u6c42\u4f7f\u7528\u6700\u65b0\u6570\u636e \u7684\u5e94\u7528\uff08\u4e0d\u60dc\u727a\u7272\u4f7f\u7528\u7f13\u5b58\u7684\u6240\u6709\u597d\u5904\uff09\uff1b<br \/>\n  >   *   no-store \u2014 \u5f3a\u5236\u7f13\u5b58\u5728\u4efb\u4f55\u60c5\u51b5\u4e0b\u90fd\u4e0d\u8981\u4fdd\u7559\u4efb\u4f55\u526f\u672c<br \/>\n  >   *   must-revalidate \u2014 \u544a\u8bc9\u7f13\u5b58\u5fc5\u987b\u9075\u5faa\u6240\u6709\u4f60\u7ed9\u4e88\u526f\u672c\u7684\u65b0\u9c9c\u5ea6\u7684\uff0cHTTP\u5141\u8bb8\u7f13\u5b58\u5728\u67d0\u4e9b\u7279\u5b9a\u60c5\u51b5\u4e0b\u8fd4\u56de\u8fc7\u671f\u6570\u636e\uff0c\u6307\u5b9a\u4e86\u8fd9\u4e2a\u5c5e\u6027\uff0c\u4f60\u9ad8\u901f\u7f13\u5b58\uff0c\u4f60\u5e0c\u671b\u4e25\u683c\u7684\u9075\u5faa\u4f60\u7684\u89c4\u5219\u3002<br \/>\n  >   *   proxy-revalidate \u2014 \u548c must-revalidate\u7c7b\u4f3c\uff0c\u9664\u4e86\u4ed6\u53ea\u5bf9\u7f13\u5b58\u4ee3\u7406\u670d\u52a1\u5668\u8d77\u4f5c\u7528\u3002<\/li>\n<li>Last-Modified\/If-Modified-Since\uff1a\u7b2c\u4e00\u6b21\u8bf7\u6c42\u8d44\u6e90\u65f6\uff0c\u670d\u52a1\u5668\u5728\u54cd\u5e94\u5934\u91cc\u8bbe\u7f6e Last-Modified \u4e3a\u8d44\u6e90\u7684\u6700\u540e\u4fee\u6539\u65f6\u95f4\uff0c\u6d4f\u89c8\u5668\u7b2c\u4e8c\u6b21\u8bf7\u6c42\u8d44\u6e90\u65f6\uff0c\u5728\u8bf7\u6c42\u5934\u91cc\u5e26\u4e0a\u4e0a\u6b21\u54cd\u5e94\u7684 Last-Modified \u503c\uff0c\u670d\u52a1\u5668\u68c0\u6d4b\u5230\u8d44\u6e90\u81ea\u6b64\u503c\u540e\u6ca1\u6709\u4fee\u6539\uff0c\u5219\u4ec5\u8fd4\u56de 304 \u54cd\u5e94\u5934\u3002<\/li>\n<li>ETag\/If-None-Match\uff1a\u670d\u52a1\u5668\u53d1\u9001\u4f60\u6240\u8bf7\u6c42\u7684\u6570\u636e\u7684\u540c\u65f6\uff0c\u53d1\u9001\u6570\u636e\u7684\u67d0\u79cd hash (\u5728 ETag \u5934\u4fe1\u606f\u4e2d\u7ed9\u51fa)\u3002hash \u7684\u786e\u5b9a\u5b8c\u5168\u53d6\u51b3\u4e8e\u670d\u52a1\u5668\u3002\u5f53\u7b2c\u4e8c\u6b21\u8bf7\u6c42\u76f8\u540c\u7684\u6570\u636e\u65f6\uff0c\u4f60\u9700\u8981\u5728 If-None-Match \u5934\u4fe1\u606f\u4e2d\u5305\u542b ETag hash\uff0c\u5982\u679c\u6570\u636e\u6ca1\u6709\u6539\u53d8\uff0c\u670d\u52a1\u5668\u5c06\u4ec5\u8fd4\u56de 304 \u72b6\u6001\u4ee3\u7801\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<\/li>\n<li>\n<p>\u670d\u52a1\u7aef\u542f\u7528GZip\u538b\u7f29<\/p>\n<\/li>\n<li>CSS 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 \u5e94\u7528\u670d\u52a1\u5668\u6027\u80fd\u4f18\u5316<\/h2>\n<p>\u4e3b\u8981\u624b\u6bb5\u6709\u7f13\u5b58\u3001\u96c6\u7fa4\u3001\u5f02\u6b65\u7b49\u3002<\/p>\n<p>\u7f51\u7ad9\u6027\u80fd\u4f18\u5316\u7b2c\u4e00\u5b9a\u5f8b\uff1a\u4f18\u5148\u8003\u8651\u4f7f\u7528\u7f13\u5b58\u4f18\u5316\u6027\u80fd\u3002<\/p>\n<p>\u7f13\u5b58\u4e3b\u8981\u7528\u6765\u5b58\u653e\u90a3\u4e9b\u8bfb\u5199\u6bd4\u5f88\u9ad8\u3001\u5f88\u5c11\u53d8\u5316\u7684\u6570\u636e\u3002<\/p>\n<p>\u4efb\u4f55\u53ef\u4ee5\u665a\u70b9\u505a\u7684\u4e8b\u60c5\u90fd\u5e94\u8be5\u665a\u70b9\u518d\u505a\u3002<\/p>\n<p>\u4ee3\u7801\u4f18\u5316\uff1a<\/p>\n<ul>\n<li>\u591a\u7ebf\u7a0b\uff1a<code>\u542f\u52a8\u7ebf\u7a0b\u6570\uff1d[\u4efb\u52a1\u6267\u884c\u65f6\u95f4\/(\u4efb\u52a1\u6267\u884c\u65f6\u95f4\uff0dIO\u7b49\u5f85\u65f6\u95f4)]*CPU\u5185\u6838\u6570<\/code>\u3002\u89e3\u51b3\u7ebf\u7a0b\u5b89\u5168\u7684\u4e3b\u8981\u624b\u6bb5\uff1a\u5c06\u5bf9\u8c61\u8bbe\u8ba1\u4e3a\u65e0\u72b6\u6001\u5bf9\u8c61\u3001\u4f7f\u7528\u5c40\u90e8\u53d8\u91cf\u3001\u5e76\u53d1\u8bbf\u95ee\u8d44\u6e90\u65f6\u4f7f\u7528\u9501\u3002<\/li>\n<li>\u8d44\u6e90\u590d\u7528<\/li>\n<li>\u6070\u5f53\u7684\u6570\u636e\u7ed3\u6784<\/li>\n<li>\u5173\u6ce8\u5783\u573e\u56de\u6536\uff1a<\/li>\n<\/ul>\n<h2>4.5 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\u4e07\u65e0\u4e00\u5931\uff1a\u7f51\u7ad9\u7684\u9ad8\u53ef\u7528\u67b6\u6784<\/h1>\n<h2>5.2 \u9ad8\u53ef\u7528\u7684\u7f51\u7ad9\u67b6\u6784<\/h2>\n<p>\u5b8c\u6574\u7684\u9ad8\u53ef\u7528\u67b6\u6784\u8bbe\u8ba1\u7684\u4e3b\u8981\u76ee\u7684\u662f\u4fdd\u8bc1\u670d\u52a1\u5668\u786c\u4ef6\u6545\u969c\u65f6\u670d\u52a1\u4f9d\u7136\u53ef\u7528\u3001\u6570\u636e\u4f9d\u7136\u4fdd\u5b58\u5e76\u80fd\u591f\u88ab\u8bbf\u95ee\u3002<\/p>\n<p>\u5b9e\u73b0\u4e0a\u8ff0\u9ad8\u53ef\u7528\u67b6\u6784\u7684\u4e3b\u8981\u624b\u6bb5\u662f\u6570\u636e\u548c\u670d\u52a1\u7684\u5197\u4f59\u5907\u4efd\u4ee5\u53ca\u5931\u6548\u8f6c\u79fb\u3002<\/p>\n<p>\u4f4d\u4e8e\u5e94\u7528\u5c42\u548c\u670d\u52a1\u5c42\u7684\u670d\u52a1\u5668\u4e3a\u4e86\u5e94\u5bf9\u9ad8\u5e76\u53d1\u7684\u8bbf\u95ee\u8bf7\u6c42\uff0c\u4f1a\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\u8bbe\u5907\u5c06\u4e00\u7ec4\u670d\u52a1\u5668\u7ec4\u6210\u4e00\u4e2a\u96c6\u7fa4\u5171\u540c\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n<p>\u4f4d\u4e8e\u6570\u636e\u5c42\u7684\u670d\u52a1\u5668\u9700\u8981\u5728\u6570\u636e\u5199\u5165\u65f6\u8fdb\u884c\u6570\u636e\u540c\u6b65\u590d\u5236\uff0c\u5c06\u6570\u636e\u5199\u5165\u591a\u53f0\u670d\u52a1\u5668\u4e0a\uff0c\u5b9e\u73b0\u6570\u636e\u5197\u4f59\u5907\u4efd\u3002<\/p>\n<h2>5.3 \u9ad8\u53ef\u7528\u7684\u5e94\u7528<\/h2>\n<p>\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\u8fdb\u884c\u65e0\u72b6\u6001\u670d\u52a1\u7684\u5931\u6548\u8f6c\u79fb\u3002<\/p>\n<h3>Session \u7ba1\u7406<\/h3>\n<ul>\n<li>Session \u590d\u5236\uff1a\u7b80\u5355\uff0c\u5360\u7528\u670d\u52a1\u5668\u5185\u5b58\u3001\u5e26\u5bbd\u8d44\u6e90\u3002<\/li>\n<li>Session \u7ed1\u5b9a\uff1a\u5c06\u540c\u4e00IP\u6216Cookie\u4fe1\u606f\u8f6c\u53d1\u5230\u7279\u5b9a\u7684\u670d\u52a1\u5668\uff0c\u4e0d\u6ee1\u8db3\u9ad8\u53ef\u7528\u3002<\/li>\n<li>\u5229\u7528Cookie \u8bb0\u5f55Session\uff1a\u7b80\u5355\u53ef\u9760\u6027\u9ad8\uff0c\u652f\u6301\u5e94\u7528\u670d\u52a1\u5668\u7ebf\u6027\u4f38\u7f29\uff1b\u53d7cookie\u5927\u5c0f\u9650\u5236\uff0c\u6bcf\u6b21\u8bf7\u6c42\u8981\u4f20\u8f93cookie\uff0c\u5f71\u54cd\u6027\u80fd\uff0c\u5982\u679c\u7528\u6237\u5173\u95edcookie\uff0c\u8bbf\u95ee\u4f1a\u4e0d\u6b63\u5e38\u3002<\/li>\n<li>Session \u670d\u52a1\u5668\uff1a\u8fd9\u79cd\u89e3\u51b3\u65b9\u6848\u5c06\u5e94\u7528\u670d\u52a1\u5668\u7684\u72b6\u6001\u5206\u79bb\uff0c\u5206\u4e3a\u65e0\u72b6\u6001\u7684\u5e94\u7528\u670d\u52a1\u5668\u548c\u6709\u72b6\u6001\u7684 session \u670d\u52a1\u5668\uff1b\u5e94\u7528\u670d\u52a1\u5668\u6bcf\u6b21\u8bfb\u5199 sission\uff0c\u90fd\u8bbf\u95ee session \u670d\u52a1\u5668\u3002<\/li>\n<\/ul>\n<h2>5.4 \u9ad8\u53ef\u7528\u7684\u670d\u52a1<\/h2>\n<p>\u4e5f\u662f\u901a\u8fc7\u8d1f\u8f7d\u5747\u8861\u548c\u5931\u6548\u8f6c\u79fb\u673a\u5236\u5931\u6548\u3002<\/p>\n<ul>\n<li>\u5206\u7ea7\u7ba1\u7406\uff1a\u5bf9\u670d\u52a1\u8fdb\u884c\u5206\u7ea7\u7ba1\u7406\uff0c\u786e\u4fdd\u4f18\u5148\u7ea7\u9ad8\u7684\u670d\u52a1\uff1b\u5728\u90e8\u7f72\u4e0a\u8fdb\u884c\u9694\u79bb\uff0c\u907f\u514d\u6545\u969c\u7684\u8fde\u9501\u53cd\u5e94\u3002<\/li>\n<li>\u8d85\u65f6\u8bbe\u7f6e\uff1a\u53ef\u907f\u514d\u8bf7\u6c42\u957f\u65f6\u95f4\u4e0d\u80fd\u5f97\u5230\u54cd\u5e94\u3002<\/li>\n<li>\u5f02\u6b65\u8c03\u7528\uff1a\u5e94\u7528\u5bf9\u670d\u52a1\u7684\u8c03\u7528\u901a\u8fc7\u6d88\u606f\u961f\u5217\u7b49\u5f02\u6b65\u65b9\u5f0f\u5b8c\u6210\uff0c\u907f\u514d\u4e00\u4e2a\u670d\u52a1\u5931\u8d25\u5bfc\u81f4\u6574\u4e2a\u5e94\u7528\u8bf7\u6c42\u5931\u8d25\u7684\u60c5\u51b5\u3002<\/li>\n<li>\n<p>\u670d\u52a1\u964d\u7ea7\uff1a\u6709\u4e24\u79cd\u624b\u6bb5\uff1a\u62d2\u7edd\u670d\u52a1\u548c\u5173\u95ed\u5173\u95ed\u670d\u52a1\u3002<\/p>\n<blockquote>\n<ul>\n<li>\u62d2\u7edd\u670d\u52a1\uff1a\u62d2\u7edd\u4f4e\u4f18\u5148\u7ea7\u5e94\u7528\u7684\u8c03\u7528\uff0c\u51cf\u5c11\u670d\u52a1\u8c03\u7528\u7684\u5e76\u53d1\u6570\uff0c\u786e\u4fdd\u6838\u5fc3\u5e94\u7528\u6b63\u5e38\u4f7f\u7528\uff1b\u6216\u8005\u968f\u673a\u62d2\u7edd\u90e8\u5206\u8bf7\u6c42\u8c03\u7528\uff0c\u8282\u7ea6\u8d44\u6e90\uff0c\u8ba9\u4e00\u90e8\u5206\u8bf7\u6c42\u6210\u529f\uff0c\u907f\u514d\u8981\u6b7b\u5927\u5bb6\u4e00\u8d77\u6b7b\u7684\u60e8\u5267\u3002<\/li>\n<li>\u5173\u95ed\u670d\u52a1\uff1a\u5173\u95ed\u90e8\u5206\u4e0d\u91cd\u8981\u7684\u670d\u52a1\uff0c\u6216\u8005\u670d\u52a1\u5185\u90e8\u5173\u95ed\u90e8\u5206\u4e0d\u91cd\u8981\u7684\u529f\u80fd\uff0c\u4ee5\u8282\u7ea6\u7cfb\u7edf\u5f00\u9500\uff0c\u4e3a\u91cd\u8981\u7684\u670d\u52a1\u548c\u529f\u80fd\u8ba9\u51fa\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<\/li>\n<li>\n<p>\u5e42\u7b49\u6027\u8bbe\u8ba1\uff1a\u670d\u52a1\u5c42\u4fdd\u8bc1\u91cd\u590d\u8c03\u7528\u548c\u8c03\u7528\u4e00\u6b21\u4ea7\u751f\u7684\u7ed3\u679c\u76f8\u540c\uff0c\u5373\u670d\u52a1\u5177\u6709\u5e42\u7b49\u6027\u3002\u670d\u52a1\u91cd\u590d\u8c03\u7528\u662f\u65e0\u6cd5\u907f\u514d\u7684\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>5.5 \u9ad8\u53ef\u7528\u7684\u6570\u636e<\/h2>\n<p>\u4fdd\u8bc1\u6570\u636e\u9ad8\u53ef\u7528\u7684\u624b\u6bb5\u4e3b\u8981\u662f\u6570\u636e\u5907\u4efd\u548c\u5931\u6548\u8f6c\u79fb\u673a\u5236\u3002<\/p>\n<h3>CAP \u539f\u7406<\/h3>\n<p>CAP \u539f\u7406\u8ba4\u4e3a\u4e00\u4e2a\u63d0\u4f9b\u6570\u636e\u670d\u52a1\u7684\u5b58\u50a8\u7cfb\u7edf\u65e0\u6cd5\u540c\u65f6\u6ee1\u8db3\u6570\u636e\u4e00\u81f4\u6027\uff08Consistency\uff09\u3001\u6570\u636e\u53ef\u7528\u6027\uff08Availability\uff09\u3001\u5206\u533a\u8010\u53d7\u6027\uff08Partition Tolerence\uff0c\u7cfb\u7edf\u5177\u6709\u8de8\u7f51\u7edc\u5206\u533a\u7684\u4f38\u7f29\u6027\uff09\u3002<\/p>\n<p>\u5728\u5927\u578b\u7f51\u7ad9\u4e2d\uff0c\u901a\u5e38\u4f1a\u9009\u62e9\u5f3a\u5316\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u53ef\u7528\u6027\uff08A\uff09\u548c\u4f38\u7f29\u6027\uff08P\uff09\uff0c\u5728\u67d0\u79cd\u7a0b\u5ea6\u4e0a\u653e\u5f03\u4e00\u81f4\u6027\uff08C\uff09\u3002<\/p>\n<p>\u6570\u636e\u4e00\u81f4\u6027\u53c8\u5206\u4e3a\uff1a<\/p>\n<ul>\n<li>\u6570\u636e\u5f3a\u4e00\u81f4\u6027\uff1a\u5404\u4e2a\u526f\u672c\u7684\u6570\u636e\u5728\u7269\u7406\u5b58\u50a8\u4e2d\u603b\u662f\u4e00\u81f4\u7684\u3002<\/li>\n<li>\u6570\u636e\u7528\u6237\u4e00\u81f4\u6027\uff1a\u5404\u4e2a\u526f\u672c\u7684\u6570\u636e\u53ef\u80fd\u662f\u4e0d\u4e00\u81f4\u7684\uff0c\u7ec8\u7aef\u7528\u6237\u8bbf\u95ee\u65f6\uff0c\u901a\u8fc7\u7ea0\u9519\u548c\u6821\u9a8c\u673a\u5236\uff0c\u53ef\u4ee5\u786e\u5b9a\u4e00\u4e2a\u4e00\u81f4\u7684\u4e14\u6b63\u786e\u7684\u6570\u636e\u8fd4\u56de\u7ed9\u7528\u6237\u3002<\/li>\n<li>\u6570\u636e\u6700\u7ec8\u4e00\u81f4\uff1a\u7269\u7406\u5b58\u50a8\u7684\u6570\u636e\u53ef\u80fd\u662f\u4e0d\u4e00\u81f4\u7684\uff0c\u7ec8\u7aef\u7528\u6237\u8bbf\u95ee\u5230\u7684\u7ed3\u679c\u53ef\u80fd\u4e5f\u662f\u4e0d\u4e00\u81f4\u7684\uff0c\u4f46\u7cfb\u7edf\u7ecf\u8fc7\u4e00\u6bb5\u65f6\u95f4\u7684\u81ea\u6211\u4fee\u590d\u548c\u4fee\u6b63\uff0c\u6570\u636e\u6700\u7ec8\u4f1a\u8fbe\u5230\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<h3>\u6570\u636e\u5907\u4efd<\/h3>\n<p>\u6570\u636e\u5907\u4efd\u5206\u4e3a\u51b7\u5907\u4efd\u548c\u70ed\u5907\u4efd\uff0c\u70ed\u5907\u4efd\u53c8\u5206\u4e3a\u5f02\u6b65\u70ed\u5907\u4efd\u548c\u540c\u6b65\u70ed\u5907\u4efd\u3002<\/p>\n<p>\u5728\u5f02\u6b65\u5199\u5165\u65b9\u5f0f\u4e0b\uff0c\u5b58\u50a8\u670d\u52a1\u5668\u5206\u4e3a\u4e3b\u5b58\u50a8\u670d\u52a1\u5668\uff08Master\uff09\u548c\u4ece\u5b58\u50a8\u670d\u52a1\u5668\uff08Slave\uff09\uff0c\u5e94\u7528\u7a0b\u5e8f\u901a\u5e38\u53ea\u8fde\u63a5 Master\uff0c\u6570\u636e\u5199\u5165\u65f6\uff0c\u7531 Master \u7684\u5199\u4ee3\u7406\u64cd\u4f5c\u6a21\u5757\u5c06\u6570\u636e\u5199\u5165\u672c\u673a\u5b58\u50a8\u7cfb\u7edf\u540e\u7acb\u5373\u8fd4\u56de\u5199\u64cd\u4f5c\u6210\u529f\u54cd\u5e94\uff0c\u7136\u540e\u901a\u8fc7\u5f02\u6b65\u7ebf\u7a0b\u5c06\u5199\u64cd\u4f5c\u6570\u636e\u540c\u6b65\u5230 Slave\u3002<\/p>\n<p>\u540c\u6b65\u65b9\u5f0f\u662f\u6307\u591a\u4efd\u6570\u636e\u526f\u672c\u7684\u5199\u5165\u64cd\u4f5c\u540c\u6b65\u5b8c\u6210\uff0c\u5373\u5e94\u7528\u7a0b\u5e8f\u6536\u5230\u6570\u636e\u670d\u52a1\u7cfb\u7edf\u7684\u5199\u6210\u529f\u54cd\u5e94\u65f6\uff0c\u591a\u4efd\u6570\u636e\u7684\u90fd\u5df2\u7ecf\u5199\u64cd\u4f5c\u6210\u529f\u3002<\/p>\n<h3>\u5931\u6548\u8f6c\u79fb<\/h3>\n<p>\u5931\u6548\u8f6c\u79fb\u64cd\u4f5c\u7531\u4e09\u4e2a\u90e8\u5206\u7ec4\u6210\uff1a\u5931\u6548\u786e\u8ba4\u3001\u8bbf\u95ee\u8f6c\u79fb\u3001\u6570\u636e\u6062\u590d\u3002<\/p>\n<p>\u5931\u6548\u786e\u8ba4\u4e3b\u8981\u901a\u8fc7\u5fc3\u8df3\u68c0\u6d4b\u548c\u5e94\u7528\u7a0b\u5e8f\u8bbf\u95ee\u5931\u8d25\u62a5\u544a\u3002<\/p>\n<h2>5.6 \u9ad8\u53ef\u7528\u7f51\u7ad9\u7684\u8f6f\u4ef6\u8d28\u91cf\u4fdd\u8bc1<\/h2>\n<ul>\n<li>\u7f51\u7ad9\u53d1\u5e03<\/li>\n<li>\u81ea\u52a8\u5316\u6d4b\u8bd5<\/li>\n<li>\u9884\u53d1\u5e03\u9a8c\u8bc1<\/li>\n<li>\u4ee3\u7801\u63a7\u5236<\/li>\n<li>\u81ea\u52a8\u5316\u53d1\u5e03<\/li>\n<li>\u7070\u5ea6\u53d1\u5e03<\/li>\n<\/ul>\n<h2>5.7 \u7f51\u7ad9\u8fd0\u884c\u76d1\u63a7<\/h2>\n<p>\u4e0d\u5141\u8bb8\u6ca1\u6709\u76d1\u63a7\u7684\u7cfb\u7edf\u4e0a\u7ebf\u3002<\/p>\n<h3>\u76d1\u63a7\u6570\u636e\u91c7\u96c6<\/h3>\n<p>\u7528\u6237\u884c\u4e3a\u65e5\u5fd7\uff1a<\/p>\n<ul>\n<li>\u670d\u52a1\u5668\u7aef\u65e5\u5fd7<\/li>\n<li>\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u65e5\u5fd7<\/li>\n<\/ul>\n<p>\u670d\u52a1\u5668\u6027\u80fd\u76d1\u63a7\u3002<\/p>\n<p>\u8fd0\u884c\u6570\u636e\u62a5\u544a\u3002<\/p>\n<h3>\u76d1\u63a7\u7ba1\u7406<\/h3>\n<p>\u7cfb\u7edf\u62a5\u8b66\u3001\u5931\u6548\u8f6c\u79fb\u3001\u81ea\u52a8\u4f18\u96c5\u964d\u7ea7\u3002<\/p>\n<h1>\u7b2c\u516d\u7ae0 \u6c38\u65e0\u6b62\u5883\uff1a\u7f51\u7ad9\u7684\u4f38\u7f29\u6027\u67b6\u6784<\/h1>\n<h2>6.1 \u7f51\u7ad9\u67b6\u6784\u7684\u4f38\u7f29\u6027\u8bbe\u8ba1<\/h2>\n<p>\u7f51\u7ad9\u7684\u4f38\u7f29\u6027\u67b6\u6784\u53ef\u5206\u6210\u4e24\u7c7b\uff1a\u4e00\u7c7b\u662f\u6839\u636e\u529f\u80fd\u8fdb\u884c\u7269\u7406\u5206\u79bb\u5b9e\u73b0\u4f38\u7f29\uff0c\u4e00\u7c7b\u662f\u5355\u4e00\u529f\u80fd\u901a\u8fc7\u96c6\u7fa4\u5b9e\u73b0\u4f38\u7f29\u3002<\/p>\n<p>\u5f53\u4e00\u5934\u725b\u62c9\u4e0d\u52a8\u8f66\u7684\u65f6\u5019\uff0c\u4e0d\u8981\u53bb\u627e\u4e00\u5934\u66f4\u5f3a\u58ee\u7684\u725b\uff0c\u800c\u662f\u7528\u4e24\u5934\u725b\u53bb\u62c9\u8f66\u3002<\/p>\n<h4>\u8d1f\u8f7d\u5747\u8861\u7684\u57fa\u7840\u6280\u672f<\/h4>\n<ul>\n<li>HTTP \u91cd\u5b9a\u5411\u8d1f\u8f7d\u5747\u8861\uff1a\u91c7\u7528 HTTP \u91cd\u5b9a\u5411\u670d\u52a1\u5668\uff0c\u6839\u636e\u7528\u6237 HTTP \u8bf7\u6c42\u8ba1\u7b97\u4e00\u53f0\u771f\u5b9e\u7684 web \u670d\u52a1\u5668\u5730\u5740\uff0c\u5c06\u8be5\u670d\u52a1\u5668\u5730\u5740\u5199\u5165 HTTP \u91cd\u5b9a\u5411\u54cd\u5e94\u4e2d\u8fd4\u56de\u7ed9\u7528\u6237\u6d4f\u89c8\u5668\u3002\u9700\u8981\u4e24\u6b21\u8bbf\u95ee\u624d\u80fd\u5b8c\u6210\u4e00\u6b21\u8bf7\u6c42\uff0c\u91cd\u5b9a\u5411\u670d\u52a1\u5668\u81ea\u8eab\u7684\u5904\u7406\u80fd\u529b\u6709\u53ef\u80fd\u79f0\u4e3a\u74f6\u9888\u3002<\/li>\n<li>DNS \u57df\u540d\u89e3\u6790\u8d1f\u8f7d\u5747\u8861\uff1a\u5728DNS \u670d\u52a1\u5668\u4e2d\u914d\u7f6e\u591a\u4e2a A \u8bb0\u5f55\uff0c\u6bcf\u6b21\u57df\u540d\u89e3\u6790\u8bf7\u6c42\u90fd\u4f1a\u6839\u636e\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\u8ba1\u7b97\u4e00\u4e2a\u4e0d\u540c\u7684 IP \u5730\u5740\u8fd4\u56de\uff0c\u8fd9\u6837 A \u8bb0\u5f55\u4e2d\u914d\u7f6e\u7684\u591a\u4e2a\u670d\u52a1\u5668\u5c31\u6784\u6210\u4e00\u4e2a\u96c6\u7fa4\uff0c\u5e76\u53ef\u4ee5\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u3002DNS \u7684\u89e3\u6790\u6709\u5ef6\u8fdf\u3002<\/li>\n<li>\u53cd\u5411\u4ee3\u7406\u8d1f\u8f7d\u5747\u8861\uff1a\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\u9700\u8981\u914d\u7f6e\u53cc\u7f51\u5361\u548c\u5185\u90e8\u5916\u90e8\u4e24\u5957 IP \u5730\u5740\uff0c\u5de5\u4f5c\u5728 HTTP \u534f\u8bae\u5c42\uff0c\u4e5f\u53eb\u5e94\u7528\u5c42\u8d1f\u8f7d\u5747\u8861\u3002<\/li>\n<li>IP \u5c42\u8d1f\u8f7d\u5747\u8861\uff1a\u5728\u7f51\u7edc\u5c42\u901a\u8fc7\u4fee\u6539\u8bf7\u6c42\u76ee\u6807\u7684\u5730\u5740\u8fdb\u884c\u8d1f\u8d23\u5747\u8861\u3002<\/li>\n<li>\u6570\u636e\u94fe\u8def\u5c42\u8d1f\u8f7d\u5747\u8861\uff1a\u5728\u6570\u636e\u94fe\u8def\u5c42\u4fee\u6539 mac \u5730\u5740\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\u3002\u5728\u5206\u53d1\u8fc7\u7a0b\u4e2d\u4e0d\u4fee\u6539 IP \u5730\u5740\uff0c\u53ea\u4fee\u6539\u76ee\u7684 mac \u5730\u5740\uff0c\u901a\u8fc7\u914d\u7f6e\u771f\u5b9e\u7269\u7406\u670d\u52a1\u5668\u96c6\u7fa4\u6240\u6709\u673a\u5668\u865a\u62df IP \u548c\u8d1f\u8f7d\u5747\u8861\u670d\u52a1\u5668 IP \u5730\u5740\u4e00\u81f4\uff0c\u4ece\u800c\u8fbe\u5230\u4e0d\u4fee\u6539\u6570\u636e\u5305\u7684\u6e90\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\u5c31\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u5206\u53d1\u7684\u76ee\u7684\u3002\u4e5f\u79f0\u4f5c\u76f4\u63a5\u8def\u7531\uff08DR\uff09\u3002<\/li>\n<\/ul>\n<h4>\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5<\/h4>\n<ul>\n<li>\u8f6e\u8be2\uff08Round Robin\uff0cRR\uff09\uff1a\u6240\u6709\u8bf7\u6c42\u88ab\u4f9d\u6b21\u5206\u53d1\u5230\u6bcf\u53f0\u5e94\u7528\u670d\u52a1\u5668\u4e0a\u3002<\/li>\n<li>\u52a0\u6743\u8f6e\u8be2\uff08Weighted Round Robin\uff0cWRR\uff09\uff1a\u5728\u8f6e\u8be2\u7684\u57fa\u7840\u4e0a\uff0c\u6309\u914d\u7f6e\u7684\u6743\u91cd\u5c06\u8bf7\u6c42\u5206\u53d1\u5230\u6bcf\u53f0\u670d\u52a1\u5668\u4e0a\u3002<\/li>\n<li>\u968f\u673a\uff08Random\uff09\uff1a\u8bf7\u6c42\u88ab\u968f\u673a\u5206\u53d1\u5230\u5404\u4e2a\u5e94\u7528\u670d\u52a1\u5668\u4e0a\u3002<\/li>\n<li>\u6700\u5c11\u8fde\u63a5\uff08Least Connection\uff09\uff1a\u8bb0\u5f55\u6bcf\u4e2a\u5e94\u7528\u670d\u52a1\u5668\u6b63\u5728\u5904\u7406\u7684\u8fde\u63a5\u6570\uff0c\u5c06\u65b0\u5230\u7684\u8bf7\u6c42\u5206\u53d1\u5230\u6700\u5c11\u8fde\u63a5\u7684\u670d\u52a1\u5668\u4e0a\u3002<\/li>\n<li>\u6e90\u5730\u5740\u7b97\u5217\uff08Source Hashing\uff09\uff1a\u6839\u636e\u8bf7\u6c42\u6765\u6e90\u7684 IP \u5730\u5740\u8fdb\u884c\u5206\u53d1\u8bf7\u6c42\uff0c\u540c\u4e00\u4e2a IP \u603b\u662f\u5206\u53d1\u5230\u540c\u4e00\u53f0\u670d\u52a1\u5668\u4e0a\u3002<\/li>\n<\/ul>\n<h1>\u7b2c\u4e03\u7ae0 \u968f\u9700\u5e94\u53d8\uff1a\u7f51\u7ad9\u7684\u53ef\u6269\u5c55\u6027<\/h1>\n<ul>\n<li>\u6269\u5c55\u6027\uff08Extensibility\uff09\uff1a\u6307\u5bf9\u73b0\u6709\u7cfb\u7edf\u5f71\u54cd\u6700\u5c0f\u7684\u60c5\u51b5\u4e0b\uff0c\u7cfb\u7edf\u529f\u80fd\u53ef\u6301\u7eed\u6269\u5c55\u6216\u63d0\u5347\u7684\u80fd\u529b\u3002\u8868\u73b0\u5728\u57fa\u7840\u8bbe\u65bd\u7a33\u5b9a\u4e0d\u9700\u8981\u7ecf\u5e38\u53d8\u66f4\uff0c\u5e94\u7528\u4e4b\u95f4\u5c11\u4f9d\u8d56\u548c\u8026\u5408\uff0c\u5bf9\u9700\u6c42\u53d8\u66f4\u53ef\u4ee5\u654f\u6377\u54cd\u5e94\u3002<\/li>\n<li>\u4f38\u7f29\u6027\uff08Scalability\uff09\uff1a\u6307\u7cfb\u7edf\u80fd\u591f\u901a\u8fc7\u589e\u52a0\uff08\u51cf\u5c11\uff09\u81ea\u8eab\u8d44\u6e90\u89c4\u6a21\u7684\u65b9\u5f0f\u589e\u5f3a\uff08\u51cf\u5c11\uff09\u81ea\u5df1\u8ba1\u7b97\u5904\u7406\u4e8b\u52a1\u7684\u80fd\u529b\u3002\u8fd9\u79cd\u589e\u51cf\u662f\u6210\u6bd4\u4f8b\u7684\uff0c\u5c31\u88ab\u79f0\u4f5c\u7ebf\u6027\u4f38\u7f29\u3002<\/li>\n<\/ul>\n<p>\u8bbe\u8ba1\u7f51\u7ad9\u53ef\u6269\u5c55\u67b6\u6784\u7684\u6838\u5fc3\u601d\u60f3\u662f\u6a21\u5757\u5316\uff0c\u5e76\u5728\u6b64\u57fa\u7840\u4e4b\u4e0a\uff0c\u964d\u4f4e\u6a21\u5757\u95f4\u7684\u8026\u5408\u6027\uff0c\u63d0\u4f9b\u6a21\u5757\u7684\u590d\u7528\u6027\u3002<\/p>\n<p>\u5206\u5c42\u548c\u5206\u5272\u662f\u6a21\u5757\u5316\u8bbe\u8ba1\u7684\u91cd\u8981\u624b\u6bb5\uff0c\u6a21\u5757\u4e4b\u95f4\u4ee5\u6d88\u606f\u4f20\u9012\u548c\u4f9d\u8d56\u8c03\u7528\u7684\u65b9\u5f0f\u805a\u5408\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u7cfb\u7edf\u3002<\/p>\n<p>\u6a21\u5757\u5206\u5e03\u5f0f\u90e8\u7f72\u4ee5\u540e\u5177\u4f53\u7684\u805a\u5408\u65b9\u5f0f\u4e3b\u8981\u6709\u5206\u5e03\u5f0f\u6d88\u606f\u961f\u5217\u548c\u5206\u5e03\u5f0f\u670d\u52a1\u3002<\/p>\n<p>\u5927\u578b\u7f51\u7ad9\u5206\u5e03\u5f0f\u670d\u52a1\u7684\u9700\u6c42\u4e0e\u7279\u70b9\uff1a<\/p>\n<ul>\n<li>\u670d\u52a1\u7684\u6ce8\u518c\u4e0e\u53d1\u73b0<\/li>\n<li>\u670d\u52a1\u8c03\u7528<\/li>\n<li>\u8d1f\u8f7d\u5747\u8861<\/li>\n<li>\u5931\u6548\u8f6c\u79fb<\/li>\n<li>\u9ad8\u6548\u7684\u8fdc\u7a0b\u901a\u4fe1<\/li>\n<li>\u6574\u5408\u5f02\u6784\u7cfb\u7edf<\/li>\n<li>\u5bf9\u5e94\u7528\u6700\u5c11\u5165\u4fb5<\/li>\n<li>\u7248\u672c\u7ba1\u7406<\/li>\n<li>\u5b9e\u65f6\u76d1\u63a7<\/li>\n<\/ul>\n<h1>\u7b2c\u516b\u7ae0 \u56fa\u82e5\u91d1\u6c64\uff1a\u7f51\u7ad9\u7684\u5b89\u5168\u67b6\u6784<\/h1>\n<hr\/>\n<p>\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7: <strong>coderbee\u7b14\u8bb0<\/strong>\uff0c\u53ef\u4ee5\u66f4\u53ca\u65f6\u56de\u590d\u4f60\u7684\u8ba8\u8bba\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"258\" height=\"258\" src=\"https:\/\/coderbee.net\/wp-content\/uploads\/2019\/01\/coderbee-note.jpg\" class=\"alignnone size-full wp-image-1707\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b2c\u56db\u7ae0 \u77ac\u65f6\u54cd\u5e94\uff1a\u7f51\u7ad9\u7684\u9ad8\u6027\u80fd\u67b6\u6784 4.1 \u7f51\u7ad9\u6027\u80fd\u6d4b\u8bd5 \u6027\u80fd\u6d4b\u8bd5\u662f\u6027\u80fd\u4f18\u5316\u7684\u524d &hellip; <a href=\"https:\/\/coderbee.net\/index.php\/readingnote\/20140706\/955\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[169],"_links":{"self":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/955"}],"collection":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/comments?post=955"}],"version-history":[{"count":1,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/955\/revisions"}],"predecessor-version":[{"id":956,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/955\/revisions\/956"}],"wp:attachment":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/media?parent=955"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/categories?post=955"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/tags?post=955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}