{"id":2250,"date":"2012-11-05T23:13:36","date_gmt":"2012-11-05T15:13:36","guid":{"rendered":"https:\/\/kyle.ai\/blog\/?p=2250"},"modified":"2012-11-05T23:13:36","modified_gmt":"2012-11-05T15:13:36","slug":"%e5%a4%a7%e5%9e%8b%e7%bd%91%e7%ab%99%e6%9e%b6%e6%9e%84%e6%bc%94%e5%8f%98%e5%92%8c%e7%9f%a5%e8%af%86%e4%bd%93%e7%b3%bb","status":"publish","type":"post","link":"https:\/\/kyle.ai\/blog\/2250.html","title":{"rendered":"\u5927\u578b\u7f51\u7ad9\u67b6\u6784\u6f14\u53d8\u548c\u77e5\u8bc6\u4f53\u7cfb"},"content":{"rendered":"<p><span style=\"font-size: 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style=\"font-size: small;\">\u770b\u770b\u8fd9\u4e00\u6b65\u5b8c\u6210\u540e\u7cfb\u7edf\u7684\u56fe\u793a\uff1a<\/span><\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2251\" title=\"1\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/1.png\" alt=\"\" width=\"195\" height=\"99\" \/><\/a><\/p>\n<p><span style=\"font-size: small;\">\u8fd9\u4e00\u6b65\u6d89\u53ca\u5230\u4e86\u8fd9\u4e9b\u77e5\u8bc6\u4f53\u7cfb\uff1a<\/span><\/p>\n<p><span style=\"font-size: small;\">\u8fd9\u4e00\u6b65\u67b6\u6784\u6f14\u53d8\u5bf9\u6280\u672f\u4e0a\u7684\u77e5\u8bc6\u4f53\u7cfb\u57fa\u672c\u6ca1\u6709\u8981\u6c42\u3002<\/span><\/p>\n<p><strong><span style=\"font-size: medium;\">\u67b6\u6784\u6f14\u53d8\u7b2c\u4e8c\u6b65\uff1a\u589e\u52a0\u9875\u9762\u7f13\u5b58<\/span><\/strong><\/p>\n<p><span style=\"font-size: small;\">\u597d\u666f\u4e0d\u957f\uff0c\u968f\u7740\u8bbf\u95ee\u7684\u4eba\u8d8a\u6765\u8d8a\u591a\uff0c\u4f60\u53d1\u73b0\u54cd\u5e94\u901f\u5ea6\u53c8\u5f00\u59cb\u53d8\u6162\u4e86\uff0c\u67e5\u627e\u539f\u56e0\uff0c\u53d1\u73b0\u662f\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u64cd\u4f5c\u592a\u591a\uff0c\u5bfc\u81f4\u6570\u636e\u8fde\u63a5\u7ade\u4e89\u6fc0\u70c8\uff0c\u6240\u4ee5\u54cd\u5e94\u53d8\u6162\uff0c\u4f46\u6570\u636e\u5e93\u8fde \u63a5\u53c8\u4e0d\u80fd\u5f00\u592a\u591a\uff0c\u5426\u5219\u6570\u636e\u5e93\u673a\u5668\u538b\u529b\u4f1a\u5f88\u9ad8\uff0c\u56e0\u6b64\u8003\u8651\u91c7\u7528\u7f13\u5b58\u673a\u5236\u6765\u51cf\u5c11\u6570\u636e\u5e93\u8fde\u63a5\u8d44\u6e90\u7684\u7ade\u4e89\u548c\u5bf9\u6570\u636e\u5e93\u8bfb\u7684\u538b\u529b\uff0c\u8fd9\u4e2a\u65f6\u5019\u9996\u5148\u4e5f\u8bb8\u4f1a\u9009\u62e9\u91c7\u7528squid 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size-full wp-image-2252\" title=\"2\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/2.png\" alt=\"\" width=\"195\" height=\"156\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/2.png 195w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/2-187x150.png 187w\" sizes=\"auto, (max-width: 195px) 100vw, 195px\" \/><\/a><\/p>\n<p><span style=\"font-size: small;\">\u8fd9\u4e00\u6b65\u6d89\u53ca\u5230\u4e86\u8fd9\u4e9b\u77e5\u8bc6\u4f53\u7cfb\uff1a<\/span><\/p>\n<p><span style=\"font-size: small;\">\u524d\u7aef\u9875\u9762\u7f13\u5b58\u6280\u672f\uff0c\u4f8b\u5982squid\uff0c\u5982\u60f3\u7528\u597d\u7684\u8bdd\u8fd8\u5f97\u6df1\u5165\u638c\u63e1\u4e0bsquid\u7684\u5b9e\u73b0\u65b9\u5f0f\u4ee5\u53ca\u7f13\u5b58\u7684\u5931\u6548\u7b97\u6cd5\u7b49\u3002<\/span><\/p>\n<p><span style=\"font-size: medium;\"><strong>\u67b6\u6784\u6f14\u53d8\u7b2c\u4e09\u6b65\uff1a\u589e\u52a0\u9875\u9762\u7247\u6bb5\u7f13\u5b58<\/strong><\/span><\/p>\n<p><span style=\"font-size: small;\">\u589e\u52a0\u4e86squid\u505a\u7f13\u5b58\u540e\uff0c\u6574\u4f53\u7cfb\u7edf\u7684\u901f\u5ea6\u786e\u5b9e\u662f\u63d0\u5347\u4e86\uff0cwebserver\u7684\u538b\u529b\u4e5f\u5f00\u59cb\u4e0b\u964d\u4e86\uff0c\u4f46\u968f\u7740\u8bbf\u95ee\u91cf\u7684\u589e\u52a0\uff0c\u53d1\u73b0\u7cfb\u7edf\u53c8\u5f00\u59cb\u53d8\u7684\u6709\u4e9b\u6162\u4e86\uff0c\u5728\u5c1d \u5230\u4e86squid\u4e4b\u7c7b\u7684\u52a8\u6001\u7f13\u5b58\u5e26\u6765\u7684\u597d\u5904\u540e\uff0c\u5f00\u59cb\u60f3\u80fd\u4e0d\u80fd\u8ba9\u73b0\u5728\u90a3\u4e9b\u52a8\u6001\u9875\u9762\u91cc\u76f8\u5bf9\u9759\u6001\u7684\u90e8\u5206\u4e5f\u7f13\u5b58\u8d77\u6765\u5462\uff0c\u56e0\u6b64\u8003\u8651\u91c7\u7528\u7c7b\u4f3cESI\u4e4b\u7c7b\u7684\u9875\u9762\u7247\u6bb5\u7f13\u5b58\u7b56\u7565\uff0cOK\uff0c\u4e8e\u662f\u5f00\u59cb\u91c7\u7528ESI\u6765\u505a\u52a8\u6001\u9875\u9762\u4e2d\u76f8\u5bf9\u9759\u6001\u7684\u7247\u6bb5\u90e8\u5206\u7684\u7f13\u5b58\u3002<\/span><\/p>\n<p><span style=\"font-size: small;\">\u770b\u770b\u8fd9\u4e00\u6b65\u5b8c\u6210\u540e\u7cfb\u7edf\u7684\u56fe\u793a\uff1a<\/span><\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/3.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2253\" title=\"3\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/3.png\" alt=\"\" width=\"337\" height=\"235\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/3.png 337w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/3-300x209.png 300w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/3-215x150.png 215w\" sizes=\"auto, (max-width: 337px) 100vw, 337px\" \/><\/a><\/p>\n<p><span style=\"font-size: small;\">\u8fd9\u4e00\u6b65\u6d89\u53ca\u5230\u4e86\u8fd9\u4e9b\u77e5\u8bc6\u4f53\u7cfb\uff1a<\/span><\/p>\n<p><span style=\"font-size: small;\">\u9875\u9762\u7247\u6bb5\u7f13\u5b58\u6280\u672f\uff0c\u4f8b\u5982ESI\u7b49\uff0c\u60f3\u7528\u597d\u7684\u8bdd\u540c\u6837\u9700\u8981\u638c\u63e1ESI\u7684\u5b9e\u73b0\u65b9\u5f0f\u7b49\uff1b<\/span><\/p>\n<p><span style=\"font-size: medium;\"><strong>\u67b6\u6784\u6f14\u53d8\u7b2c\u56db\u6b65\uff1a\u6570\u636e\u7f13\u5b58<\/strong><\/span><\/p>\n<p><span style=\"font-size: small;\">\u5728\u91c7\u7528ESI\u4e4b\u7c7b\u7684\u6280\u672f\u518d\u6b21\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u7f13\u5b58\u6548\u679c\u540e\uff0c\u7cfb\u7edf\u7684\u538b\u529b\u786e\u5b9e\u8fdb\u4e00\u6b65\u964d\u4f4e\u4e86\uff0c\u4f46\u540c\u6837\uff0c\u968f\u7740\u8bbf\u95ee\u91cf\u7684\u589e\u52a0\uff0c\u7cfb\u7edf\u8fd8\u662f\u5f00\u59cb\u53d8\u6162\uff0c\u7ecf\u8fc7\u67e5\u627e\uff0c\u53ef\u80fd\u4f1a\u53d1\u73b0\u7cfb 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src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/4.png\" alt=\"\" width=\"341\" height=\"258\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/4.png 341w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/4-300x226.png 300w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/4-198x150.png 198w\" sizes=\"auto, (max-width: 341px) 100vw, 341px\" \/><\/a><\/p>\n<p><span style=\"font-size: small;\">\u8fd9\u4e00\u6b65\u6d89\u53ca\u5230\u4e86\u8fd9\u4e9b\u77e5\u8bc6\u4f53\u7cfb\uff1a<\/span><\/p>\n<p><span style=\"font-size: small;\">\u7f13\u5b58\u6280\u672f\uff0c\u5305\u62ec\u50cfMap\u6570\u636e\u7ed3\u6784\u3001\u7f13\u5b58\u7b97\u6cd5\u3001\u6240\u9009\u7528\u7684\u6846\u67b6\u672c\u8eab\u7684\u5b9e\u73b0\u673a\u5236\u7b49\u3002<\/span><\/p>\n<p><span style=\"font-size: medium;\"><strong>\u67b6\u6784\u6f14\u53d8\u7b2c\u4e94\u6b65\uff1a \u589e\u52a0webserver<\/strong><\/span><\/p>\n<p><span style=\"font-size: small;\">\u597d\u666f\u4e0d\u957f\uff0c\u53d1\u73b0\u968f\u7740\u7cfb\u7edf\u8bbf\u95ee\u91cf\u7684\u518d\u5ea6\u589e\u52a0\uff0cwebserver\u673a\u5668\u7684\u538b\u529b\u5728\u9ad8\u5cf0\u671f\u4f1a\u4e0a\u5347\u5230\u6bd4\u8f83\u9ad8\uff0c\u8fd9\u4e2a\u65f6\u5019\u5f00\u59cb\u8003\u8651\u589e\u52a0\u4e00\u53f0webserver\uff0c\u8fd9\u4e5f\u662f\u4e3a\u4e86\u540c\u65f6\u89e3\u51b3\u53ef\u7528\u6027\u7684\u95ee\u9898\uff0c\u907f\u514d\u5355\u53f0\u7684webserver down\u673a\u7684\u8bdd\u5c31\u6ca1\u6cd5\u4f7f\u7528\u4e86\uff0c\u5728\u505a\u4e86\u8fd9\u4e9b\u8003\u8651\u540e\uff0c\u51b3\u5b9a\u589e\u52a0\u4e00\u53f0webserver\uff0c\u589e\u52a0\u4e00\u53f0webserver\u65f6\uff0c\u4f1a\u78b0\u5230\u4e00\u4e9b\u95ee\u9898\uff0c\u5178\u578b\u7684\u6709\uff1a<\/span><br \/>\n<span style=\"font-size: small;\">1\u3001\u5982\u4f55\u8ba9\u8bbf\u95ee\u5206\u914d\u5230\u8fd9\u4e24\u53f0\u673a\u5668\u4e0a\uff0c\u8fd9\u4e2a\u65f6\u5019\u901a\u5e38\u4f1a\u8003\u8651\u7684\u65b9\u6848\u662fApache\u81ea\u5e26\u7684\u8d1f\u8f7d\u5747\u8861\u65b9\u6848\uff0c\u6216LVS\u8fd9\u7c7b\u7684\u8f6f\u4ef6\u8d1f\u8f7d\u5747\u8861\u65b9\u6848\uff1b<\/span><br \/>\n<span style=\"font-size: small;\">2\u3001\u5982\u4f55\u4fdd\u6301\u72b6\u6001\u4fe1\u606f\u7684\u540c\u6b65\uff0c\u4f8b\u5982\u7528\u6237session\u7b49\uff0c\u8fd9\u4e2a\u65f6\u5019\u4f1a\u8003\u8651\u7684\u65b9\u6848\u6709\u5199\u5165\u6570\u636e\u5e93\u3001\u5199\u5165\u5b58\u50a8\u3001cookie\u6216\u540c\u6b65session\u4fe1\u606f\u7b49\u673a\u5236\u7b49\uff1b<\/span><br \/>\n<span style=\"font-size: small;\">3\u3001\u5982\u4f55\u4fdd\u6301\u6570\u636e\u7f13\u5b58\u4fe1\u606f\u7684\u540c\u6b65\uff0c\u4f8b\u5982\u4e4b\u524d\u7f13\u5b58\u7684\u7528\u6237\u6570\u636e\u7b49\uff0c\u8fd9\u4e2a\u65f6\u5019\u901a\u5e38\u4f1a\u8003\u8651\u7684\u673a\u5236\u6709\u7f13\u5b58\u540c\u6b65\u6216\u5206\u5e03\u5f0f\u7f13\u5b58\uff1b<\/span><br \/>\n<span style=\"font-size: small;\">4\u3001\u5982\u4f55\u8ba9\u4e0a\u4f20\u6587\u4ef6\u8fd9\u4e9b\u7c7b\u4f3c\u7684\u529f\u80fd\u7ee7\u7eed\u6b63\u5e38\uff0c\u8fd9\u4e2a\u65f6\u5019\u901a\u5e38\u4f1a\u8003\u8651\u7684\u673a\u5236\u662f\u4f7f\u7528\u5171\u4eab\u6587\u4ef6\u7cfb\u7edf\u6216\u5b58\u50a8\u7b49\uff1b<\/span><br \/>\n<span style=\"font-size: small;\">\u5728\u89e3\u51b3\u4e86\u8fd9\u4e9b\u95ee\u9898\u540e\uff0c\u7ec8\u4e8e\u662f\u628awebserver\u589e\u52a0\u4e3a\u4e86\u4e24\u53f0\uff0c\u7cfb\u7edf\u7ec8\u4e8e\u662f\u53c8\u6062\u590d\u5230\u4e86\u4ee5\u5f80\u7684\u901f\u5ea6\u3002<\/span><\/p>\n<p><span style=\"font-size: small;\">\u770b\u770b\u8fd9\u4e00\u6b65\u5b8c\u6210\u540e\u7cfb\u7edf\u7684\u56fe\u793a\uff1a<\/span><\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/5.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2255\" title=\"5\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/5.png\" alt=\"\" width=\"341\" height=\"244\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/5.png 341w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/5-300x214.png 300w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/5-209x150.png 209w\" sizes=\"auto, (max-width: 341px) 100vw, 341px\" \/><\/a><\/p>\n<p><span style=\"font-size: small;\">\u8fd9\u4e00\u6b65\u6d89\u53ca\u5230\u4e86\u8fd9\u4e9b\u77e5\u8bc6\u4f53\u7cfb\uff1a<\/span><\/p>\n<p><span style=\"font-size: small;\">\u8d1f\u8f7d\u5747\u8861\u6280\u672f\uff08\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u786c\u4ef6\u8d1f\u8f7d\u5747\u8861\u3001\u8f6f\u4ef6\u8d1f\u8f7d\u5747\u8861\u3001\u8d1f\u8f7d\u7b97\u6cd5\u3001linux\u8f6c\u53d1\u534f\u8bae\u3001\u6240\u9009\u7528\u7684\u6280\u672f\u7684\u5b9e\u73b0\u7ec6\u8282\u7b49\uff09\u3001\u4e3b\u5907\u6280\u672f\uff08\u5305\u62ec\u4f46\u4e0d\u9650\u4e8eARP\u6b3a\u9a97\u3001linux heart-beat\u7b49\uff09\u3001\u72b6\u6001\u4fe1\u606f\u6216\u7f13\u5b58\u540c\u6b65\u6280\u672f\uff08\u5305\u62ec\u4f46\u4e0d\u9650\u4e8eCookie\u6280\u672f\u3001UDP\u534f\u8bae\u3001\u72b6\u6001\u4fe1\u606f\u5e7f\u64ad\u3001\u6240\u9009\u7528\u7684\u7f13\u5b58\u540c\u6b65\u6280\u672f\u7684\u5b9e\u73b0\u7ec6\u8282\u7b49\uff09\u3001\u5171\u4eab\u6587\u4ef6\u6280\u672f\uff08\u5305\u62ec\u4f46\u4e0d\u9650\u4e8eNFS\u7b49\uff09\u3001\u5b58\u50a8\u6280\u672f\uff08\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u5b58\u50a8\u8bbe\u5907\u7b49\uff09\u3002<\/span><\/p>\n<p><span style=\"font-size: medium;\"><strong>\u67b6\u6784\u6f14\u53d8\u7b2c\u516d\u6b65\uff1a\u5206\u5e93<\/strong><\/span><\/p>\n<p><span style=\"font-size: small;\">\u4eab\u53d7\u4e86\u4e00\u6bb5\u65f6\u95f4\u7684\u7cfb\u7edf\u8bbf\u95ee\u91cf\u9ad8\u901f\u589e\u957f\u7684\u5e78\u798f\u540e\uff0c\u53d1\u73b0\u7cfb\u7edf\u53c8\u5f00\u59cb\u53d8\u6162\u4e86\uff0c\u8fd9\u6b21\u53c8\u662f\u4ec0\u4e48\u72b6\u51b5\u5462\uff0c\u7ecf\u8fc7\u67e5\u627e\uff0c\u53d1\u73b0\u6570\u636e\u5e93\u5199\u5165\u3001\u66f4\u65b0\u7684\u8fd9\u4e9b\u64cd\u4f5c\u7684\u90e8\u5206\u6570\u636e\u5e93\u8fde\u63a5\u7684 \u8d44\u6e90\u7ade\u4e89\u975e\u5e38\u6fc0\u70c8\uff0c\u5bfc\u81f4\u4e86\u7cfb\u7edf\u53d8\u6162\uff0c\u8fd9\u4e0b\u600e\u4e48\u529e\u5462\uff0c\u6b64\u65f6\u53ef\u9009\u7684\u65b9\u6848\u6709\u6570\u636e\u5e93\u96c6\u7fa4\u548c\u5206\u5e93\u7b56\u7565\uff0c\u96c6\u7fa4\u65b9\u9762\u50cf\u6709\u4e9b\u6570\u636e\u5e93\u652f\u6301\u7684\u5e76\u4e0d\u662f\u5f88\u597d\uff0c\u56e0\u6b64\u5206\u5e93\u4f1a\u6210\u4e3a\u6bd4\u8f83\u666e\u904d\u7684\u7b56\u7565\uff0c\u5206\u5e93\u4e5f\u5c31\u610f\u5473\u7740\u8981\u5bf9\u539f\u6709\u7a0b\u5e8f\u8fdb\u884c\u4fee\u6539\uff0c\u4e00\u901a\u4fee\u6539\u5b9e\u73b0\u5206\u5e93\u540e\uff0c\u4e0d\u9519\uff0c\u76ee\u6807\u8fbe\u5230\u4e86\uff0c\u7cfb\u7edf\u6062\u590d\u751a\u81f3\u901f\u5ea6\u6bd4\u4ee5\u524d\u8fd8\u5feb\u4e86\u3002<\/span><\/p>\n<p><span style=\"font-size: small;\">\u770b\u770b\u8fd9\u4e00\u6b65\u5b8c\u6210\u540e\u7cfb\u7edf\u7684\u56fe\u793a\uff1a<\/span><\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/6.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2256\" title=\"6\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/6.png\" alt=\"\" width=\"341\" height=\"243\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/6.png 341w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/6-300x213.png 300w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/6-210x150.png 210w\" sizes=\"auto, (max-width: 341px) 100vw, 341px\" \/><\/a><\/p>\n<p><span style=\"font-size: small;\">\u8fd9\u4e00\u6b65\u6d89\u53ca\u5230\u4e86\u8fd9\u4e9b\u77e5\u8bc6\u4f53\u7cfb\uff1a<\/span><\/p>\n<p><span style=\"font-size: small;\">\u8fd9\u4e00\u6b65\u66f4\u591a\u7684\u662f\u9700\u8981\u4ece\u4e1a\u52a1\u4e0a\u505a\u5408\u7406\u7684\u5212\u5206\uff0c\u4ee5\u5b9e\u73b0\u5206\u5e93\uff0c\u5177\u4f53\u6280\u672f\u7ec6\u8282\u4e0a\u6ca1\u6709\u5176\u4ed6\u7684\u8981\u6c42\uff1b<\/span><\/p>\n<p><span style=\"font-size: small;\">\u4f46\u540c\u65f6\u968f\u7740\u6570\u636e\u91cf\u7684\u589e\u5927\u548c\u5206\u5e93\u7684\u8fdb\u884c\uff0c\u5728\u6570\u636e\u5e93\u7684\u8bbe\u8ba1\u3001\u8c03\u4f18\u4ee5\u53ca\u7ef4\u62a4\u4e0a\u9700\u8981\u505a\u7684\u66f4\u597d\uff0c\u56e0\u6b64\u5bf9\u8fd9\u4e9b\u65b9\u9762\u7684\u6280\u672f\u8fd8\u662f\u63d0\u51fa\u4e86\u5f88\u9ad8\u7684\u8981\u6c42\u7684\u3002<\/span><\/p>\n<p><span style=\"font-size: medium;\"><strong>\u67b6\u6784\u6f14\u53d8\u7b2c\u4e03\u6b65\uff1a\u5206\u8868\u3001DAL\u548c\u5206\u5e03\u5f0f\u7f13\u5b58<\/strong><\/span><\/p>\n<p><span style=\"font-size: small;\">\u968f\u7740\u7cfb\u7edf\u7684\u4e0d\u65ad\u8fd0\u884c\uff0c\u6570\u636e\u91cf\u5f00\u59cb\u5927\u5e45\u5ea6\u589e\u957f\uff0c\u8fd9\u4e2a\u65f6\u5019\u53d1\u73b0\u5206\u5e93\u540e\u67e5\u8be2\u4ecd\u7136\u4f1a\u6709\u4e9b\u6162\uff0c\u4e8e\u662f\u6309\u7167\u5206\u5e93\u7684\u601d\u60f3\u5f00\u59cb\u505a\u5206\u8868\u7684\u5de5\u4f5c\uff0c\u5f53\u7136\uff0c\u8fd9\u4e0d\u53ef\u907f\u514d\u7684\u4f1a\u9700\u8981\u5bf9\u7a0b\u5e8f \u8fdb\u884c\u4e00\u4e9b\u4fee\u6539\uff0c\u4e5f\u8bb8\u5728\u8fd9\u4e2a\u65f6\u5019\u5c31\u4f1a\u53d1\u73b0\u5e94\u7528\u81ea\u5df1\u8981\u5173\u5fc3\u5206\u5e93\u5206\u8868\u7684\u89c4\u5219\u7b49\uff0c\u8fd8\u662f\u6709\u4e9b\u590d\u6742\u7684\uff0c\u4e8e\u662f\u840c\u751f\u80fd\u5426\u589e\u52a0\u4e00\u4e2a\u901a\u7528\u7684\u6846\u67b6\u6765\u5b9e\u73b0\u5206\u5e93\u5206\u8868\u7684\u6570\u636e\u8bbf\u95ee\uff0c\u8fd9\u4e2a\u5728ebay\u7684\u67b6\u6784\u4e2d\u5bf9\u5e94\u7684\u5c31\u662fDAL\uff0c\u8fd9\u4e2a\u6f14\u53d8\u7684\u8fc7\u7a0b\u76f8\u5bf9\u800c\u8a00\u9700\u8981\u82b1\u8d39\u8f83\u957f\u7684\u65f6\u95f4\uff0c\u5f53\u7136\uff0c\u4e5f\u6709\u53ef\u80fd\u8fd9\u4e2a\u901a\u7528\u7684\u6846\u67b6\u4f1a\u7b49\u5230\u5206\u8868\u505a\u5b8c\u540e\u624d\u5f00\u59cb\u505a\uff0c\u540c\u65f6\uff0c\u5728\u8fd9\u4e2a\u9636\u6bb5\u53ef \u80fd\u4f1a\u53d1\u73b0\u4e4b\u524d\u7684\u7f13\u5b58\u540c\u6b65\u65b9\u6848\u51fa\u73b0\u95ee\u9898\uff0c\u56e0\u4e3a\u6570\u636e\u91cf\u592a\u5927\uff0c\u5bfc\u81f4\u73b0\u5728\u4e0d\u592a\u53ef\u80fd\u5c06\u7f13\u5b58\u5b58\u5728\u672c\u5730\uff0c\u7136\u540e\u540c\u6b65\u7684\u65b9\u5f0f\uff0c\u9700\u8981\u91c7\u7528\u5206\u5e03\u5f0f\u7f13\u5b58\u65b9\u6848\u4e86\uff0c\u4e8e\u662f\uff0c\u53c8\u662f\u4e00\u901a\u8003\u5bdf\u548c\u6298\u78e8\uff0c\u7ec8\u4e8e\u662f\u5c06\u5927\u91cf\u7684\u6570\u636e\u7f13\u5b58\u8f6c\u79fb\u5230\u5206\u5e03\u5f0f\u7f13\u5b58\u4e0a\u4e86\u3002<\/span><\/p>\n<p><span style=\"font-size: small;\">\u770b\u770b\u8fd9\u4e00\u6b65\u5b8c\u6210\u540e\u7cfb\u7edf\u7684\u56fe\u793a\uff1a<\/span><\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/7.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2257\" title=\"7\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/7.png\" alt=\"\" width=\"342\" height=\"439\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/7.png 342w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/7-233x300.png 233w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/7-116x150.png 116w\" sizes=\"auto, (max-width: 342px) 100vw, 342px\" \/><\/a><\/p>\n<p><span style=\"font-size: small;\">\u8fd9\u4e00\u6b65\u6d89\u53ca\u5230\u4e86\u8fd9\u4e9b\u77e5\u8bc6\u4f53\u7cfb\uff1a<\/span><\/p>\n<p><span style=\"font-size: small;\">\u5206\u8868\u66f4\u591a\u7684\u540c\u6837\u662f\u4e1a\u52a1\u4e0a\u7684\u5212\u5206\uff0c\u6280\u672f\u4e0a\u6d89\u53ca\u5230\u7684\u4f1a\u6709\u52a8\u6001hash\u7b97\u6cd5\u3001consistent hash\u7b97\u6cd5\u7b49\uff1b<\/span><\/p>\n<p><span style=\"font-size: small;\">DAL\u6d89\u53ca\u5230\u6bd4\u8f83\u591a\u7684\u590d\u6742\u6280\u672f\uff0c\u4f8b\u5982\u6570\u636e\u5e93\u8fde\u63a5\u7684\u7ba1\u7406\uff08\u8d85\u65f6\u3001\u5f02\u5e38\uff09\u3001\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u63a7\u5236\uff08\u8d85\u65f6\u3001\u5f02\u5e38\uff09\u3001\u5206\u5e93\u5206\u8868\u89c4\u5219\u7684\u5c01\u88c5\u7b49\uff1b<\/span><\/p>\n<p><span style=\"font-size: medium;\"><strong>\u67b6\u6784\u6f14\u53d8\u7b2c\u516b\u6b65\uff1a\u589e\u52a0\u66f4\u591a\u7684webserver<\/strong><\/span><\/p>\n<p><span style=\"font-size: small;\">\u5728\u505a\u5b8c\u5206\u5e93\u5206\u8868\u8fd9\u4e9b\u5de5\u4f5c\u540e\uff0c\u6570\u636e\u5e93\u4e0a\u7684\u538b\u529b\u5df2\u7ecf\u964d\u5230\u6bd4\u8f83\u4f4e\u4e86\uff0c\u53c8\u5f00\u59cb\u8fc7\u7740\u6bcf\u5929\u770b\u7740\u8bbf\u95ee\u91cf\u66b4\u589e\u7684\u5e78\u798f\u751f\u6d3b\u4e86\uff0c\u7a81\u7136\u6709\u4e00\u5929\uff0c\u53d1\u73b0\u7cfb\u7edf\u7684\u8bbf\u95ee\u53c8\u5f00\u59cb\u6709\u53d8\u6162\u7684\u8d8b\u52bf \u4e86\uff0c\u8fd9\u4e2a\u65f6\u5019\u9996\u5148\u67e5\u770b\u6570\u636e\u5e93\uff0c\u538b\u529b\u4e00\u5207\u6b63\u5e38\uff0c\u4e4b\u540e\u67e5\u770bwebserver\uff0c\u53d1\u73b0apache\u963b\u585e\u4e86\u5f88\u591a\u7684\u8bf7\u6c42\uff0c\u800c\u5e94\u7528\u670d\u52a1\u5668\u5bf9\u6bcf\u4e2a\u8bf7\u6c42\u4e5f\u662f\u6bd4\u8f83\u5feb\u7684\uff0c\u770b\u6765 \u662f\u8bf7\u6c42\u6570\u592a\u9ad8\u5bfc\u81f4\u9700\u8981\u6392\u961f\u7b49\u5f85\uff0c\u54cd\u5e94\u901f\u5ea6\u53d8\u6162\uff0c\u8fd9\u8fd8\u597d\u529e\uff0c\u4e00\u822c\u6765\u8bf4\uff0c\u8fd9\u4e2a\u65f6\u5019\u4e5f\u4f1a\u6709\u4e9b\u94b1\u4e86\uff0c\u4e8e\u662f\u6dfb\u52a0\u4e00\u4e9bwebserver\u670d\u52a1\u5668\uff0c\u5728\u8fd9\u4e2a\u6dfb\u52a0 webserver\u670d\u52a1\u5668\u7684\u8fc7\u7a0b\uff0c\u6709\u53ef\u80fd\u4f1a\u51fa\u73b0\u51e0\u79cd\u6311\u6218\uff1a<\/span><br \/>\n<span style=\"font-size: small;\">1\u3001Apache\u7684\u8f6f\u8d1f\u8f7d\u6216LVS\u8f6f\u8d1f\u8f7d\u7b49\u65e0\u6cd5\u627f\u62c5\u5de8\u5927\u7684web\u8bbf\u95ee\u91cf\uff08\u8bf7\u6c42\u8fde\u63a5\u6570\u3001\u7f51\u7edc\u6d41\u91cf\u7b49\uff09\u7684\u8c03\u5ea6\u4e86\uff0c\u8fd9\u4e2a\u65f6\u5019\u5982\u679c\u7ecf\u8d39\u5141\u8bb8\u7684\u8bdd\uff0c\u4f1a\u91c7\u53d6\u7684\u65b9\u6848\u662f\u8d2d \u4e70\u786c\u4ef6\u8d1f\u8f7d\uff0c\u4f8b\u5982F5\u3001Netsclar\u3001Athelon\u4e4b\u7c7b\u7684\uff0c\u5982\u7ecf\u8d39\u4e0d\u5141\u8bb8\u7684\u8bdd\uff0c\u4f1a\u91c7\u53d6\u7684\u65b9\u6848\u662f\u5c06\u5e94\u7528\u4ece\u903b\u8f91\u4e0a\u505a\u4e00\u5b9a\u7684\u5206\u7c7b\uff0c\u7136\u540e\u5206\u6563\u5230\u4e0d\u540c\u7684\u8f6f\u8d1f\u8f7d\u96c6\u7fa4\u4e2d\uff1b<\/span><br \/>\n<span style=\"font-size: small;\">2\u3001\u539f\u6709\u7684\u4e00\u4e9b\u72b6\u6001\u4fe1\u606f\u540c\u6b65\u3001\u6587\u4ef6\u5171\u4eab\u7b49\u65b9\u6848\u53ef\u80fd\u4f1a\u51fa\u73b0\u74f6\u9888\uff0c\u9700\u8981\u8fdb\u884c\u6539\u8fdb\uff0c\u4e5f\u8bb8\u8fd9\u4e2a\u65f6\u5019\u4f1a\u6839\u636e\u60c5\u51b5\u7f16\u5199\u7b26\u5408\u7f51\u7ad9\u4e1a\u52a1\u9700\u6c42\u7684\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u7b49\uff1b<\/span><br \/>\n<span style=\"font-size: small;\">\u5728\u505a\u5b8c\u8fd9\u4e9b\u5de5\u4f5c\u540e\uff0c\u5f00\u59cb\u8fdb\u5165\u4e00\u4e2a\u770b\u4f3c\u5b8c\u7f8e\u7684\u65e0\u9650\u4f38\u7f29\u7684\u65f6\u4ee3\uff0c\u5f53\u7f51\u7ad9\u6d41\u91cf\u589e\u52a0\u65f6\uff0c\u5e94\u5bf9\u7684\u89e3\u51b3\u65b9\u6848\u5c31\u662f\u4e0d\u65ad\u7684\u6dfb\u52a0webserver\u3002<\/span><\/p>\n<p><span style=\"font-size: small;\">\u770b\u770b\u8fd9\u4e00\u6b65\u5b8c\u6210\u540e\u7cfb\u7edf\u7684\u56fe\u793a\uff1a<\/span><\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/8.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2258\" title=\"8\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/8.png\" alt=\"\" width=\"466\" height=\"441\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/8.png 466w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/8-300x283.png 300w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/8-158x150.png 158w\" sizes=\"auto, (max-width: 466px) 100vw, 466px\" \/><\/a><\/p>\n<p><span style=\"font-size: small;\">\u8fd9\u4e00\u6b65\u6d89\u53ca\u5230\u4e86\u8fd9\u4e9b\u77e5\u8bc6\u4f53\u7cfb\uff1a<\/span><\/p>\n<p><span style=\"font-size: small;\">\u5230\u4e86\u8fd9\u4e00\u6b65\uff0c\u968f\u7740\u673a\u5668\u6570\u7684\u4e0d\u65ad\u589e\u957f\u3001\u6570\u636e\u91cf\u7684\u4e0d\u65ad\u589e\u957f\u548c\u5bf9\u7cfb\u7edf\u53ef\u7528\u6027\u7684\u8981\u6c42\u8d8a\u6765\u8d8a\u9ad8\uff0c\u8fd9\u4e2a\u65f6\u5019\u8981\u6c42\u5bf9\u6240\u91c7\u7528\u7684\u6280\u672f\u90fd\u8981\u6709\u66f4\u4e3a\u6df1\u5165\u7684\u7406\u89e3\uff0c\u5e76\u9700\u8981\u6839\u636e\u7f51\u7ad9\u7684\u9700\u6c42\u6765\u505a\u66f4\u52a0\u5b9a\u5236\u6027\u8d28\u7684\u4ea7\u54c1\u3002<\/span><\/p>\n<p><span style=\"font-size: medium;\"><strong>\u67b6\u6784\u6f14\u53d8\u7b2c\u4e5d\u6b65\uff1a\u6570\u636e\u8bfb\u5199\u5206\u79bb\u548c\u5ec9\u4ef7\u5b58\u50a8\u65b9\u6848<\/strong><\/span><\/p>\n<p><span style=\"font-size: small;\">\u7a81\u7136\u6709\u4e00\u5929\uff0c\u53d1\u73b0\u8fd9\u4e2a\u5b8c\u7f8e\u7684\u65f6\u4ee3\u4e5f\u8981\u7ed3\u675f\u4e86\uff0c\u6570\u636e\u5e93\u7684\u5669\u68a6\u53c8\u4e00\u6b21\u51fa\u73b0\u5728\u773c\u524d\u4e86\uff0c\u7531\u4e8e\u6dfb\u52a0\u7684webserver\u592a\u591a\u4e86\uff0c\u5bfc\u81f4\u6570\u636e\u5e93\u8fde\u63a5\u7684\u8d44\u6e90\u8fd8\u662f\u4e0d\u591f\u7528\uff0c\u800c\u8fd9\u4e2a\u65f6\u5019\u53c8\u5df2\u7ecf\u5206\u5e93\u5206\u8868\u4e86\uff0c\u5f00\u59cb\u5206\u6790\u6570\u636e\u5e93\u7684\u538b\u529b\u72b6\u51b5\uff0c\u53ef\u80fd\u4f1a\u53d1\u73b0\u6570\u636e\u5e93\u7684\u8bfb\u5199\u6bd4\u5f88\u9ad8\uff0c\u8fd9\u4e2a\u65f6\u5019\u901a\u5e38\u4f1a\u60f3\u5230\u6570\u636e\u8bfb\u5199\u5206\u79bb\u7684\u65b9\u6848\uff0c\u5f53\u7136\uff0c\u8fd9\u4e2a\u65b9\u6848\u8981\u5b9e\u73b0\u5e76\u4e0d \u5bb9\u6613\uff0c\u53e6\u5916\uff0c\u53ef\u80fd\u4f1a\u53d1\u73b0\u4e00\u4e9b\u6570\u636e\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e0a\u6709\u4e9b\u6d6a\u8d39\uff0c\u6216\u8005\u8bf4\u8fc7\u4e8e\u5360\u7528\u6570\u636e\u5e93\u8d44\u6e90\uff0c\u56e0\u6b64\u5728\u8fd9\u4e2a\u9636\u6bb5\u53ef\u80fd\u4f1a\u5f62\u6210\u7684\u67b6\u6784\u6f14\u53d8\u662f\u5b9e\u73b0\u6570\u636e\u8bfb\u5199\u5206\u79bb\uff0c\u540c\u65f6\u7f16\u5199\u4e00\u4e9b\u66f4\u4e3a\u5ec9\u4ef7\u7684\u5b58\u50a8\u65b9\u6848\uff0c\u4f8b\u5982BigTable\u8fd9\u79cd\u3002<\/span><\/p>\n<p><span style=\"font-size: small;\">\u770b\u770b\u8fd9\u4e00\u6b65\u5b8c\u6210\u540e\u7cfb\u7edf\u7684\u56fe\u793a\uff1a<\/span><\/p>\n<p><a href=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/9.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2259\" title=\"9\" src=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/9.png\" alt=\"\" width=\"555\" height=\"398\" srcset=\"https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/9.png 555w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/9-300x215.png 300w, https:\/\/kyle.ai\/blog\/wp-content\/uploads\/2012\/11\/9-209x150.png 209w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/><\/a><\/p>\n<p><span style=\"font-size: small;\">\u8fd9\u4e00\u6b65\u6d89\u53ca\u5230\u4e86\u8fd9\u4e9b\u77e5\u8bc6\u4f53\u7cfb\uff1a<\/span><\/p>\n<p><span style=\"font-size: small;\">\u6570\u636e\u8bfb\u5199\u5206\u79bb\u8981\u6c42\u5bf9\u6570\u636e\u5e93\u7684\u590d\u5236\u3001standby\u7b49\u7b56\u7565\u6709\u6df1\u5165\u7684\u638c\u63e1\u548c\u7406\u89e3\uff0c\u540c\u65f6\u4f1a\u8981\u6c42\u5177\u5907\u81ea\u884c\u5b9e\u73b0\u7684\u6280\u672f\uff1b<\/span><\/p>\n<p><span style=\"font-size: small;\">\u5ec9\u4ef7\u5b58\u50a8\u65b9\u6848\u8981\u6c42\u5bf9OS\u7684\u6587\u4ef6\u5b58\u50a8\u6709\u6df1\u5165\u7684\u638c\u63e1\u548c\u7406\u89e3\uff0c\u540c\u65f6\u8981\u6c42\u5bf9\u91c7\u7528\u7684\u8bed\u8a00\u5728\u6587\u4ef6\u8fd9\u5757\u7684\u5b9e\u73b0\u6709\u6df1\u5165\u7684\u638c\u63e1\u3002<\/span><\/p>\n<p><span style=\"font-size: medium;\"><strong>\u67b6\u6784\u6f14\u53d8\u7b2c\u5341\u6b65\uff1a\u8fdb\u5165\u5927\u578b\u5206\u5e03\u5f0f\u5e94\u7528\u65f6\u4ee3\u548c\u5ec9\u4ef7\u670d\u52a1\u5668\u7fa4\u68a6\u60f3\u65f6\u4ee3<\/strong><\/span><\/p>\n<p><span style=\"font-size: 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style=\"color: #ff0000;\">\u539f\u6587\uff1a<a href=\"http:\/\/www.blogjava.net\/BlueDavy\/archive\/2008\/09\/03\/226749.html\"><span style=\"color: #ff0000;\">http:\/\/www.blogjava.net\/BlueDavy\/archive\/2008\/09\/03\/226749.html<\/span><\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e4b\u524d\u4e5f\u6709\u4e00\u4e9b\u4ecb\u7ecd\u5927\u578b\u7f51\u7ad9\u67b6\u6784\u6f14\u53d8\u7684\u6587\u7ae0\uff0c\u4f8b\u5982LiveJournal\u7684\u3001ebay\u7684\uff0c\u90fd\u662f\u975e\u5e38\u503c\u5f97\u53c2\u8003\u7684\uff0c\u4e0d\u8fc7\u611f\u89c9 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