{"id":9030,"date":"2015-05-01T19:55:44","date_gmt":"2015-05-01T11:55:44","guid":{"rendered":"http:\/\/bohu.net\/blog\/?p=9030"},"modified":"2023-02-10T23:59:14","modified_gmt":"2023-02-10T15:59:14","slug":"%e5%85%b3%e4%ba%8e%e7%9a%84%e7%bd%91%e7%ab%99%e5%bb%ba%e8%ae%be%e5%92%8c%e6%9e%b6%e6%9e%84%e5%a5%bd%e8%af%91%e6%96%87","status":"publish","type":"post","link":"https:\/\/www.bohu.net\/blog\/9030\/","title":{"rendered":"Reddit\u4e4b\u8bad &#8211; \u5173\u4e8e\u7684\u7f51\u7ad9\u5efa\u8bbe\u548c\u67b6\u6784\u597d\u8bd1\u6587"},"content":{"rendered":"<h1 class=\"post-title\">Reddit\u4e4b\u8bad: \u6708\u6d4f\u89c8\u91cf\u4ece100\u4e07\u523010\u4ebf\u7684\u9677\u9631<\/h1>\n<ul>\n<li>\n<h5>\u4e00\u7bc7\u5f88\u597d\u7684\u7f51\u7ad9\u5efa\u8bbe\u548c\u67b6\u6784\u7684\u7ffb\u8bd1\u6587\u7ae0\u3002<\/h5>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9750\" src=\"https:\/\/bohu.net\/blog\/wp-content\/uploads\/2015\/05\/1429858330392-300x240.png\" alt=\"\" width=\"300\" height=\"240\" srcset=\"https:\/\/www.bohu.net\/blog\/wp-content\/uploads\/2015\/05\/1429858330392-300x240.png 300w, https:\/\/www.bohu.net\/blog\/wp-content\/uploads\/2015\/05\/1429858330392.png 629w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/p>\n<p>Jeremy Edberg\uff0creddit\u6b63\u5f0f\u8058\u7528\u7684\u7b2c\u4e00\u4f4d\u5458\u5de5\uff0c\u5728RAMP\u5927\u4f1a\u4e0a\u505a\u4e86\u4e00\u4e2a\u6781\u5176\u7cbe\u5f69\u7684\u6f14\u8bb2\u300a<a href=\"http:\/\/www.infoq.com\/presentations\/scaling-reddit\" target=\"_blank\" rel=\"noopener\">Scaling Reddit from 1 Million to 1 Billion\u2013Pitfalls and Lessons<\/a>\u300b\uff0c\u4f20\u6388\u4e86\u8bb8\u591a\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u6210\u529f\u793e\u4ea4\u7f51\u7ad9\u7684\u7ecf\u9a8c\u3002<\/p>\n<p>jeremy\u501f\u7528\u4e86\u8912\u8d2c\u53c2\u6742\u7684\u65b9\u5f0f\u6765\u603b\u7ed3\u7ecf\u9a8c\u6559\u8bad\uff0c\u4ed6\u5206\u4eab\u4e86\u5728\u63a8\u5e7f<a class=\"bdcs-inlinelink\" href=\"http:\/\/so.chinaz.com\/cse\/search?s=13215756937974215344&amp;entry=1&amp;q=Reddit\" target=\"_blank\" rel=\"noopener\">Reddit<\/a>\u8fc7\u7a0b\u4e2d\u6240\u72af\u7684\u6bd4\u6bd4\u9519\u8bef\uff0c\u4f46\u4e5f\u8ba9\u6211\u4eec\u770b\u5230\u4ed6\u4eec\u505a\u51fa\u7684\u6b63\u786e\u6289\u62e9\u3002\u4e0d\u8fc7\u6709\u70b9\u4ee4\u4eba\u5403\u60ca\u7684\u662f\uff0cjeremy\u73b0\u5728\u662f<a class=\"bdcs-inlinelink\" href=\"http:\/\/so.chinaz.com\/cse\/search?s=13215756937974215344&amp;entry=1&amp;q=Netflix\" target=\"_blank\" rel=\"noopener\">Netflix<\/a>\u7684\u53ef\u9760\u6027\u67b6\u6784\u5e08\u3002\u6240\u4ee5\u4ece\u4ed6\u7684\u6f14\u8bb2\u4e2d\u4e5f\u53ef\u611f\u53d7Netflix\u7684\u4e00\u4e9b\u89c2\u70b9\u3002<\/p>\n<p><strong>\u4ee4\u6211\u5370\u8c61\u6df1\u523b\u7684\u51e0\u4e2a\u6559\u8bad\u662f\uff1a<\/strong><\/p>\n<blockquote><p><strong>\u628a<\/strong><strong>SSD<\/strong><strong>\u770b\u505a\u662f\u4fbf\u5b9c\u7684\u5185\u5b58\uff08RAM\uff09<\/strong><strong>\uff0c\u800c\u4e0d\u662f\u6602\u8d35\u7684\u786c\u76d8\u3002<\/strong><\/p>\n<p>\u5f53<a class=\"bdcs-inlinelink\" href=\"http:\/\/so.chinaz.com\/cse\/search?s=13215756937974215344&amp;entry=1&amp;q=reddit\" target=\"_blank\" rel=\"noopener\">reddit<\/a>\u56e0\u4e3a\u6570\u636e\u5e93\u7684\u7f18\u6545\u4ece\u673a\u68b0\u578b\u786c\u76d8\u5347\u7ea7\u5230\u56fa\u6001\u786c\u76d8\uff08SSD\uff09\u540e\uff0c\u5176\u670d\u52a1\u5668\u6570\u91cf\u4ece12\u53f0\u964d\u4e3a1\u53f0\uff0c\u4e14\u8fd8\u6709\u6781\u5927\u7684\u7a7a\u95f4\u5bcc\u4f59\u3002SSD\u867d\u6bd4\u673a\u68b0\u5f0f\u786c\u76d8\u8d35\u4e86\u56db\u500d\uff0c\u4f46\u662f\u4f60\u4f1a\u5f97\u523016\u500d\u7684\u6027\u80fd\u63d0\u5347\uff0c\u771f\u662f\u7269\u6709\u6240\u503c\u3002<\/p>\n<p><strong>\u7ed9\u7528\u6237\u4e00\u70b9\u70b9\u6743\u529b\uff0c\u770b\u770b\u4ed6\u4eec\u600e\u4e48\u505a\uff0c\u7136\u540e\u628a\u5176\u4e2d\u7684\u597d\u70b9\u5b50\u53d8\u4e3a\u7f51\u7ad9\u7684\u529f\u80fd\u3002<\/strong><\/p>\n<p>reddit\u4ece\u7528\u6237\u90a3\u91cc\u6240\u5b66\u6781\u4e3a\u4e30\u5bcc\uff0c\u4e14\u5176\u7f51\u7ad9\u7684\u6d41\u7545\u8fd0\u4f5c\u5f88\u5927\u7a0b\u5ea6\u4e0a\u501a\u8d56\u5176\u7528\u6237\uff0c\u8fd9\u662f\u6211\u83b7\u5f97\u7684\u6700\u5927\u6536\u83b7\u3002\u7528\u6237\u4f1a\u544a\u8bc9\u4f60\u5f88\u591a\u4f60\u4e0d\u77e5\u9053\u7684\u4e8b\u60c5\uff0creddit gold\u5c31\u662f\u4e2a\u5f88\u597d\u7684\u4f8b\u5b50\uff0c\u521a\u5f00\u59cb\u5b83\u53ea\u662f\u793e\u533a\u91cc\u5927\u5bb6\u5f00\u7684\u73a9\u7b11\uff0creddit\u5c06\u5176\u5151\u73b0\u4e3a\u4ea7\u54c1\uff0c\u5e76\u6df1\u5f97\u7528\u6237\u559c\u7231\u3002<\/p>\n<p><strong>\u9879\u76ee\u5f00\u59cb\u65f6\u5c31\u5efa\u8bbe\u4e00\u4e2a\u53ef\u6269\u5c55\u6027\u67b6\u6784\u662f\u4e0d\u5fc5\u8981\u7684\u3002<\/strong><\/p>\n<p>\u5f00\u59cb\u65f6\u4f60\u5e76\u4e0d\u4f1a\u77e5\u9053\u7f51\u7ad9\u5c06\u6765\u7684\u529f\u80fd\u96c6\uff0c\u6240\u4ee5\u4f60\u4e5f\u4e0d\u4f1a\u77e5\u9053\u4f60\u6709\u54ea\u4e9b\u6269\u5c55\u65b9\u9762\u7684\u95ee\u9898\u3002\u7b49\u5230\u4f60\u7684\u7f51\u7ad9\u5f00\u59cb\u58ee\u5927\u65f6\uff0c\u4f60\u81ea\u7136\u5c31\u53ef\u4ee5\u4e86\u89e3\u7f51\u7ad9\u4f1a\u5728\u54ea\u4e9b\u65b9\u9762\u6709\u6269\u5c55\u95ee\u9898\u3002<\/p>\n<p><strong>\u628a\u672a\u767b\u5f55\u7528\u6237\u5f53\u4f5c\u4e8c\u7b49\u516c\u6c11\u3002<\/strong><\/p>\n<p>\u901a\u8fc7\u603b\u662f\u7ed9\u672a\u767b\u5f55\u7528\u6237\u8fd4\u56de\u7f13\u5b58\u5185\u5bb9\u7684\u505a\u6cd5\uff0creddit\u5c06\u5305\u88b1\u6254\u7ed9\u4e86Akamai\u800c\u81ea\u8eab\u7684\u6d41\u91cf\u7545\u901a\uff0c\u8fd9\u79cd\u505a\u6cd5\u4f7f\u5176\u7f51\u7ad9\u6027\u80fd\u5927\u5927\u63d0\u5347\u3002<\/p><\/blockquote>\n<p>Jeremy\u7684\u5206\u4eab\u8fdc\u4e0d\u6b62\u4e8e\u6b64\u3002\u4ecereddit\u6269\u5c55\u521d\u671f\u7684\u9519\u8bef\u4e2d\u6211\u4eec\u80fd\u5b66\u5230\u7684\u7ecf\u9a8c\u6559\u8bad\u826f\u591a\uff0c\u8fd9\u91cc\u662f\u6211\u5bf9Jeremy\u6f14\u8bb2\u7684\u4e00\u4e9b\u91ca\u8bfb\uff1a<\/p>\n<p><strong>\u7edf\u8ba1\u6570\u636e<\/strong><\/p>\n<p>\u8bbf\u95ee\u6d41\u91cf\u5927\u7ea6\u6bcf15\u4e2a\u6708\u7ffb\u4e00\u756a\u3002<\/p>\n<p>\u4e0a\u4e2a\u6708\uff0c\u6765\u81ea177\u4e2a\u4e0d\u540c\u56fd\u5bb6\u7684 67,328,706\u540d<a class=\"bdcs-inlinelink\" href=\"http:\/\/so.chinaz.com\/cse\/search?s=13215756937974215344&amp;entry=1&amp;q=%E7%8B%AC%E7%AB%8B%E8%AE%BF%E5%AE%A2\" target=\"_blank\" rel=\"noopener\">\u72ec\u7acb\u8bbf\u5ba2<\/a>\u6d4f\u89c8\u4e86reddit\u7f51\u7ad9\u4e0a 4,692,494,641\u4e2a\u9875\u9762\u3002\u8fd9\u4e2a\u6f14\u8bb2\u662f\u5728reddit\u7684\u7b2c10\u4ebf\u9875\u9762\u6d4f\u89c8\u8282\u70b9\u5b8c\u6210\u65f6\u8fdb\u884c\u7684\uff0c\u5176\u76ee\u524d\u67b6\u6784\u4e0e\u4e4b\u524d\u67b6\u6784\u7684\u5dee\u5f02\u65e0\u6cd5\u786e\u8ba4\u3002<\/p>\n<p>28\u540d\u96c7\u5458\u3002<\/p>\n<p>\u6bcf\u540d\u96c7\u5458\u5e94\u5bf9\u5927\u7ea6240\u4e07\u72ec\u7acb\u8bbf\u5ba2\u3002\uff08\u94fe\u63a5\uff09<\/p>\n<p>\u6570\u4ee5\u5343\u8ba1\u7684\u5fd7\u613f\u8005\u7248\u4e3b\u3002<\/p>\n<p>\u57282012\u5e74\u65f6\uff0c\u4ed6\u4eec\u7528240\u53f0\u670d\u52a1\u5668\u6765\u652f\u6491\u6bcf\u670820\u4ebf\u7684\u9875\u9762\u6d4f\u89c8\u91cf\u548cPostgres\u91cc\u76842TB\u6570\u636e\u3002\u6240\u6709\u9ad8\u8bbf\u95ee\u7387\u6570\u636e\u90fd\u4eceEBS\u8f6c\u79fb\u5230\u672c\u5730\u4e34\u65f6\u78c1\u76d8\uff08\u4ee5\u4fdd\u8bc1\u7f51\u7ad9\u8fd0\u884c\u6d41\u7545\uff09\u3002<\/p>\n<p><strong>\u516c\u53f8\u6e90\u8d77<\/strong><\/p>\n<p><strong>Reddit<\/strong><strong>\u59cb\u4e8e<\/strong><strong>2005<\/strong><strong>\u5e74\u3002\u521b\u59cb\u4eba\u9996\u5148<\/strong>\u5e26\u7740\u201c\u901a\u8fc7\u77ed\u4fe1\u70b9\u9910\u201d\u7684\u70b9\u5b50\u53bb\u5bfb\u6c42Y Combinator\u7684\u8d44\u91d1\u652f\u6301\u4f46\u88ab\u62d2\u7edd\uff0c\u4ed6\u4eec\u56de\u5934\u548cPaul Graham\uff08Y Combinator\u7684\u521b\u59cb\u4eba\uff0c\u7f8e\u56fd\u8457\u540d\u7a0b\u5e8f\u5458\u3001<a class=\"bdcs-inlinelink\" href=\"http:\/\/so.chinaz.com\/cse\/search?s=13215756937974215344&amp;entry=1&amp;q=%E9%A3%8E%E9%99%A9%E6%8A%95%E8%B5%84%E5%AE%B6\" target=\"_blank\" rel=\"noopener\">\u98ce\u9669\u6295\u8d44\u5bb6<\/a>\u3001\u535a\u5ba2\u548c\u6280\u672f\u4f5c\u5bb6\uff09\u8ba8\u8bba\u5e76\u4ea7\u751f\u4e86\u5f00\u53d1\u4e92\u8054\u7f51\u7f51\u9875\u5efa\u8bbe\u7684\u70b9\u5b50\uff0c\u5373reddit\u3002\u90a3\u65f6\u4ed6\u4eec\u5e76\u4e0d\u77e5\u9053\u6398\u5ba2\uff08Digg\uff09\u7684\u5b58\u5728\u3002<\/p>\n<p>\u4ece\u6570\u636e\u4e2d\u5fc3\u5f00\u59cb\uff0c<strong>\u968f\u540e<\/strong><strong>\u9010\u6e10<\/strong>\u5c06\u529f\u80fd\u8f6c\u79fb\u81f3\u4e9a\u9a6c\u900a\u5f39\u6027\u8ba1\u7b97\u4e91\uff08<strong>EC2<\/strong>\uff09\u3002<\/p>\n<p>2006\u5e74\uff0c\u5f00\u59cb\u901a\u8fc7EC2\u4f7f\u7528S3\u63d0\u4f9b\u5b58\u50a8\u548c\u670d\u52a1\u6807\u5fd7\u3002<\/p>\n<p>2007\u5e74\uff0c\u5f00\u59cb\u4f7f\u7528S3\u652f\u6301\u7f29\u7565\u56fe\u670d\u52a1\u3002<\/p>\n<p>2008\u5e74\uff0c\u4ee5vpn\u901a\u9053\u8fde\u63a5\u6570\u636e\u4e2d\u5fc3\u7684\u65b9\u5f0f\u5728EC2\u4e0a\u8fdb\u884c\u6279\u5904\u7406\u3002<\/p>\n<p>2009\u5e74\uff0c\u6574\u7ad9\u4f7f\u7528EC2\u670d\u52a1\u3002\u7f51\u7ad9\u505c\u8fd0\u6574\u6574\u4e00\u5929\uff0c\u5c06\u6570\u636e\u5168\u90e8\u8fc1\u79fb\u5230EC2\u3002\u8fd9\u662f\u300a\u6570\u636e\u5f15\u529b\u300b\u7684\u91cd\u5927\u6848\u4f8b\uff0c\u968f\u540e\u8fd8\u4f1a\u8c08\u5230\u3002<\/p>\n<p><strong>EC2<\/strong><\/p>\n<p><strong>\u8fc1\u79fb\u5230EC2\u7684\u539f\u56e0<\/strong><\/p>\n<p>\u4e0d\u65ad\u5806\u53e0\u673a\u67dc\u5e76\u4e0d\u6709\u8da3\u3002\u4e0d\u60f3\u79df\u7528\u66f4\u591a\u7684\u673a\u67dc\uff0c\u4e70\u66f4\u591a\u7684\u670d\u52a1\u5668\u3002<\/p>\n<p>\u5efa\u7acb\u6570\u636e\u4e2d\u5fc3\uff0c\u65e9\u671f\u6570\u636e\u7684\u589e\u957f\u662f\u65e0\u6cd5\u9884\u6d4b\u7684\u3002<\/p>\n<p>\u5bf9\u4e8e\u4e00\u4e2a4\u4eba\u5c0f\u7ec4\u800c\u8a00\uff0c\u6210\u672c\u76f8\u5bf9\u964d\u4f4e\u4e86\u3002\u4e9a\u9a6c\u900a\u7684EC2\u6bd4\u4ed6\u4eec\u5728San Francisco\u7684\u6570\u636e\u4e2d\u5fc3\u4ef7\u683c\u4fbf\u5b9c\u4e8629%\u3002<\/p>\n<p><strong>EC2\u4e0d\u662f\u4e07\u80fd\u7684\u3002<\/strong>\u5982\u679c\u4f60\u53d7\u591f\u4e86\u9ad8\u7f51\u7edc\u5ef6\u8fdf\u548c\u90bb\u5c45\u53d1\u51fa\u7684\u566a\u97f3\uff0c\u8003\u8651\u4e0b\u8fc1\u79fb\u5230EC2\u4e0a\u3002\u4e00\u4e2a\u597d\u5904\u662f\u7f51\u7ad9\u53ef\u4ee5\u81ea\u7531\u7684\u58ee\u5927\u3002<\/p>\n<p><strong>\u719f\u6089EC2\u4e0a\u7684\u8d44\u6e90\u9650\u5236<\/strong><\/p>\n<p>\u6240\u6709\u7684\u8d44\u6e90\u5bf9\u6bcf\u4e2a\u5e10\u53f7\u90fd\u6709\u9650\u5236\u3002<\/p>\n<p>\u4e9a\u9a6c\u900a\u4e5f\u4e0d\u6e05\u695a\u5176\u4e2d\u7684\u4e00\u4e9b\u9650\u5236\u662f\u4ec0\u4e48\u3002<\/p>\n<p>\u8ddf\u8e2a\u9650\u5236\uff0c\u5728\u4f60\u9700\u8981\u7684\u65f6\u5019\u6269\u5927\u9650\u5236\u8303\u56f4\u3002<\/p>\n<p>\u6355\u83b7\u5f02\u5e38\u4ee5\u53d1\u73b0\u4f55\u65f6\u4e34\u754c\u6761\u4ef6\u88ab\u89e6\u53d1\u3002<\/p>\n<p><strong>\u67b6\u6784<\/strong><\/p>\n<p>Reddit\u7684\u67b6\u6784\u662f\u5f88\u76f4\u89c2\u7684\u3002**\u7528\u6237\u8fde\u63a5\u5230\u4e00\u4e2a\u53ef\u4ee5\u4e0e\u5e94\u7528\u7ebd\u5e26\u76f4\u63a5\u901a\u8bdd\u7684\u7f51\u7edc\u7ebd\u5e26\u3002\u8fd9\u4e2a\u5e94\u7528\u7ebd\u5e26\u53c8\u4e0e<a class=\"bdcs-inlinelink\" href=\"http:\/\/so.chinaz.com\/cse\/search?s=13215756937974215344&amp;entry=1&amp;q=memcache\" target=\"_blank\" rel=\"noopener\">memcache<\/a>, Cassandra, \u8fd8\u6709 Postgres\u901a\u8bdd\uff0cPostgres\u4f7f\u7528\u7684\u662f\u4e00\u4e2a\u4e3b\u4ece\u5173\u7cfb\u7f51\u7edc\u3002\u8fd9\u662f\u4e00\u4e2a\u4f7f\u7528Cassandra \u548c Postgres\u7684\u6279\u5904\u7406\u7cfb\u7edf\u3002<\/p>\n<p>\u76f8\u6bd4\u8f83\u800c\u8a00\uff0cNetfli\u4f7f\u7528\u7684\u662f\u4e00\u4e2a\u670d\u52a1\u578b\u7684\u67b6\u6784\uff0c\u5404\u90e8\u5206\u901a\u8fc7REST API\u76f8\u4e92\u4e4b\u95f4\u901a\u8bdd\u3002<\/p>\n<p>\u4f18\u70b9\uff1a\u65b9\u4fbf\u81ea\u9002\u5e94\u89c4\u6a21\uff0c\u56e0\u4e3a\u53ea\u6709\u670d\u52a1\u5668\u9700\u8981\u8c03\u6574\u89c4\u6a21\uff1b\u66f4\u5bb9\u6613\u89c4\u5212\u5bb9\u91cf\uff1b\u9519\u8bef\u66f4\u5bb9\u6613\u627e\u51fa\uff0c\u56e0\u4e3a\u4ed6\u4eec\u5728REST\u6846\u67b6\u91cc\u662f\u72ec\u7acb\u7684\uff1b\u53d8\u5316\u6548\u679c\u5341\u5206\u7cbe\u786e\uff1b\u672c\u5730\u7f13\u5b58\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n<p>\u7f3a\u70b9\uff1a\u9700\u8981\u591a\u4e2aDev\u6216\u8005Dev\u56e2\u961f\u5728\u591a\u4e2a\u670d\u52a1\u5668\u4e0a\u5de5\u4f5c\uff0c\u6240\u4ee5\u4eba\u5de5\u6210\u672c\u589e\u52a0\uff1b\u9700\u8981\u4e00\u4e2a\u516c\u5171\u5f00\u53d1\u5e73\u53f0\u907f\u514d\u91cd\u590d\u5de5\u4f5c\uff1b\u5bf9\u4e8e\u4e00\u4e2a\u5c0f\u56e2\u961f\u6765\u8bf4\uff0c\u7ba1\u7406\u6210\u672c\u5f88\u5927\u3002<\/p>\n<p><strong>Postgres\u662f\u4e00\u4e2a\u975e\u5e38\u4f18\u79c0\u7684\u6570\u636e\u5e93**\u4ed6\u53ef\u4ee5\u521b\u9020\u51fa\u5341\u5206\u4f18\u79c0<\/strong>\uff0c\u5feb\u901f\u952e\u503c\u50a8\u5b58\u7684\u6570\u636e\u5e93\u3002<\/p>\n<p>\u90ae\u4ef6\u7cfb\u7edf\u662f\u4e00\u4e2a\u5927\u95ee\u9898** \u4fe1\u606f\u4f20\u9001\u5f88\u96be\u5f04\u597d\uff0c\u5f00\u59cb\u7684\u65f6\u5019\u53ef\u4ee5\u7528\u4ed6\u4eec\u81ea\u5e26\u7684\u90ae\u4ef6\u7cfb\u7edf\uff0c\u4f46\u662f\u73b0\u5728\u53ef\u80fd\u8981\u7528\u4e13\u95e8\u90ae\u4ef6\u7cfb\u7edf\u63d0\u4f9b\u5546\u7684\u670d\u52a1\u4e86\u3002<\/p>\n<p>\u961f\u5217\u662f\u6551\u4e16\u4e3b** \u5728\u7ec4\u4ef6\u81f3\u4eca\u4f20\u9012\u4efb\u52a1\u7684\u65f6\u5019\uff0c\u653e\u5165\u4e00\u4e2a\u961f\u5217\u91cc\u3002\u4f60\u5c06\u4f1a\u5f97\u5230\u4e00\u4e2a\u77ed\u5c0f\u7cbe\u608d\u7684\u7f13\u51b2\u5668\u3002\uff08Reddit\u7528\u7684\u662f[RabbitMQ](http:\/\/www.rabbitmq.com\/)\uff09<\/p>\n<p>\u6df7\u7528<strong>HAProxy\u548cNginx<\/strong>** \u6709\u4e9b\u963b\u585e\u662f\u76f8\u4e92\u7684\u3002\u5bf9\u4e8e\u8d1f\u8f7d\u5747\u8861\u5c1d\u8bd5Nginx\u65e0\u6548\u4e4b\u540e\u53ef\u4ee5\u8bd5\u8bd5HAProxy\uff08\u5728\u8d1f\u8f7d\u5747\u8861\u5d29\u6e83\u7684\u65f6\u5019\uff09\u3002\u4ed6\u5bf9\u4e8eL7\u8d1f\u8f7d\u5747\u8861\u5f88\u6709\u7528\uff0cNginx\u4ecd\u7136\u53ef\u4ee5\u7528\u6765\u7ec8\u6b62SSL\u548c\u670d\u52a1\u9759\u6001\u5185\u5bb9\u3002<\/p>\n<p><strong>\u4ee3\u7801<\/strong><\/p>\n<p><strong>\u6846\u67b6\u3002<\/strong>\u00a0\u4f7f\u7528Pylons (Django\u592a\u6162\u4e86)\uff0c\u5b83\u5c31\u662f\u4e00\u4e2a\u57fa\u4e8ePython\u7684\u6846\u67b6\u3002\u4ece\u4e00\u5f00\u59cb\uff0c\u5b83\u5c31\u5f88\u5bb9\u6613\u4e0a\u624b\u3002\u7531\u4e8e\u4e0d\u5339\u914d\u4f60\u7684\u7528\u4f8b\uff0c\u6700\u7ec8\u5b83\u4eec\u603b\u4f1a\u51fa\u95ee\u9898\u3002Pylon\u6700\u7ec8\u505a\u51fa\u4e86\u5f88\u591a\u6539\u53d8\uff0c\uff08\u539f\u6765\uff09\u5b83\u5347\u7ea7\u5230\u65b0\u7248\u672c\u662f\u5f88\u56f0\u96be\u7684\uff08\u73b0\u5728\u5df2\u7ecf\u4fee\u590d\u8fd9\u4e2a\u95ee\u9898\uff09\u3002\uff08\u73b0\u5728\uff09\u53ef\u4ee5\u4f7f\u7528Pyramid \uff08Pylons\u7684\u65b0\u540d\u5b57\uff09\u3002<\/p>\n<p><strong>\u57fa\u4e8e\u7ebf\u7a0b\u7684\u4e8b\u4ef6?<\/strong>\u00a0\u57fa\u4e8e\u7ebf\u7a0b\u53ef\u4ee5\u63d0\u524d\u4f9d\u5927\u5c0f\u6392\u5217\uff0c\u4f46\u662f\u6392\u5217\u53ef\u80fd\u662f\u9519\u8bef\u7684\u3002\u57fa\u4e8e\u4e8b\u4ef6\u53ef\u4ee5\u5904\u7406\u66f4\u591a\u7684\u8fde\u63a5\u800c\u4e0d\u5fc5\u5728\u9047\u5230\u74f6\u9888\u65f6\u7ee7\u7eed\u9677\u5728\u74f6\u9888\u4e2d\u3002\u4f60\u5e0c\u671b\u82b1\u66f4\u591a\u7684\u65f6\u95f4\u53bb\u89c4\u5212\u7ebf\u7a0b\u6c60\u7684\u5c3a\u5bf8\u6216\u5904\u7406\u7a81\u7136\u906d\u9047\u5230\u7684\u74f6\u9888\u5417\uff1f<\/p>\n<p><strong>\u5f00\u6e90\u6709\u76ca\u3002<\/strong>\u00a0Reddit\u662f\u5728\u5f00\u6e90\u4ee3\u7801\u4e0a\u6784\u5efa\u7684\u3002\u00a0\u4e0d\u9700\u8981\u4ed8\u8d39\u7684\u8f6f\u4ef6\u4e0d\u9519\uff0c\u5c24\u5176\u662f\u5728\u5f00\u59cb\u7684\u65f6\u5019\u3002<\/p>\n<p><strong>\u6570\u636e<\/strong><\/p>\n<p><strong>\u6570\u636e\u5c06\u662f\u4f60\u7684\u516c\u53f8\u6700\u91cd\u8981\u7684\u8d44\u4ea7<\/strong><strong>\u3002<\/strong>Facebook, Google\u548cFlickr\u8fd9\u6837\u7684\u516c\u53f8\u7684\u6839\u672c\u5c31\u662f\u6570\u636e\u3002<\/p>\n<p><strong>\u6c89\u91cd\u7684\u6570\u636e\u3002<\/strong>\u5f53\u4f60\u628a\u6570\u636e\u653e\u5728\u4e00\u4e2a\u5730\u65b9\uff0c\u4f60\u5c31\u9700\u8981\u5728\u8fd9\u4e2a\u5730\u65b9\u653e\u7f6e\u4f60\u7684\u5e94\u7528\u3002\u6240\u6709\u7684\u5e94\u7528\u90fd\u662f\u56f4\u7ed5\u6570\u636e\u8fdb\u884c\u7684\u3002\u6570\u636e\u5f62\u6210\u4e86\u4e00\u4e2a\u5f15\u529b\u4e2d\u5fc3\uff0c\u5176\u4ed6\u4e1c\u897f\u90fd\u8981\u5411\u5b83\u9760\u8fd1\uff0c\u56e0\u4e3a\u6570\u636e\u6700\u96be\u79fb\u52a8\uff0c\u800c\u4e14\u6570\u636e\u91cf\u8d8a\u5927\u8d8a\u96be\u79fb\u52a8\u3002\u76ee\u524d\uff0c\u628a\u6570\u636e\u79fb\u51faEC2\u975e\u5e38\u7684\u8d35\u3002\u8fd9\u5c31\u662f EC2 \u5b58\u50a8\u6570\u636e\u514d\u8d39\uff0c\u8fc1\u79fb\u6570\u636e\u6536\u8d39\u7684\u539f\u56e0\u3002\u4ed6\u4eec\u60f3\u8981\u4f60\u628a\u6240\u6709\u7684\u6570\u636e\u90fd\u5b58\u653e\u5728\u4e91\u670d\u52a1\u5668\u4e0a\u3002<\/p>\n<p><strong>\u5173\u7cfb\u578b VS \u975e\u5173\u7cfb\u578b\u3002<\/strong>reddit \u7684\u5927\u90e8\u5206\u6570\u636e\u90fd\u662f\u952e\u503c\u5bf9\uff0c\u5b58\u50a8\u5728Postgres\u6570\u636e\u5e93\u4e2d\u3002\u6240\u6709\u6d89\u53ca\u5230\u91d1\u94b1\u7684\u6570\u636e\u5b58\u50a8\u5728\u5173\u7cfb\u578b\u7684\u6570\u636e\u5e93\u4e2d\uff0c\u56e0\u4e3a\u53ef\u4ee5\u4f7f\u7528\u4e8b\u52a1\u548c\u7b80\u4fbf\u5730\u5206\u6790\u3002<\/p>\n<p><strong>Postgres \u662f\u9632\u5f39\u7684\u3002<\/strong>\u5b83\u50cf\u5ca9\u77f3\u4e00\u6837\u575a\u786c\uff0c\u5b83\u81ea\u5df1\u4ece\u672a\u51fa\u8fc7\u95ee\u9898\u3002\u5373\u4f7f\u6709\u95ee\u9898\uff0c\u4e5f\u662f\u5176\u4ed6\u5b83\u5468\u8fb9\u7cfb\u7edf\u7684\u95ee\u9898\uff0c\u6bd4\u5982\u4f7f\u7528Python\u7f16\u5199\u7684\u590d\u5236\u7cfb\u7edf\u3002\u5f88\u96be\u627e\u5230\u719f\u6089Postgres\u7684\u4e13\u5bb6\uff08\u56e0\u4e3a\u5b83\u4e0d\u9700\u8981\u4e13\u5bb6\u89e3\u51b3\u5947\u602a\u7684\u95ee\u9898\uff09\u3002<\/p>\n<p>\u952e\u503c\u5b58\u50a8\u9009\u62e9\u4e86Postgres\u800c\u4e0d\u662fCassandra\u662f\u56e0\u4e3aCassandra\u5f53\u65f6\u5e76\u4e0d\u5b58\u5728\uff0c\u800c\u4e14Postgres\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u8fd8\u5df2\u7ecf\u539f\u751f\u652f\u6301\u952e\u503c\u3002<\/p>\n<p><strong>\u5206\u5e93\u5206\u8868\u3002<\/strong>\u5199\u64cd\u4f5c\u88ab\u62c6\u5206\u5230\u56db\u4e2a\u4e3b\u6570\u636e\u5e93\u4e2d\uff1a\u8fde\u63a5\u3001\u5e10\u6237\u3001\u5b50\u81ea\u52a8\u3001\u8bc4\u8bba\u3001\u6295\u7968\u3001\u5176\u5b83\u3002<\/p>\n<p>\u6bcf\u4e00\u4e2a\u4e3b\u6570\u636e\u5e93\u90fd\u6709\u4ece\u6570\u636e\u5e93\u3002\u6295\u7968\u6570\u636e\u5e93\u53ea\u6709\u4e00\u4e2a\u4e3b\u5e93\u548c\u4e00\u4e2a\u4ece\u5e93\u3002\u8bc4\u8bba\u6570\u636e\u5e93\u6709\u4e00\u4e2a\u4e3b\u5e93\u548c\u5341\u4e8c\u4e2a\u4ece\u5e93\u3002<\/p>\n<p>\u5982\u679c\u53ef\u4ee5\uff0c\u5c3d\u91cf\u907f\u514d\u76f4\u63a5\u4ece\u4e3b\u5e93\u8bfb\u53d6\u6570\u636e\uff0c\u4ece\u4ece\u5e93\u8bfb\u53d6\u6570\u636e\u4ee5\u4f7f\u4e3b\u5e93\u4e13\u7528\u4e8e\u5199\u5165\u6570\u636e\u3002<\/p>\n<p>\u5ba2\u6237\u7aef\u4ee3\u7801\u8d1f\u8d23\u4ece\u5e93\u95f4\u8d1f\u8f7d\u5747\u8861\u3002\u5982\u679c\u4e00\u4e2a\u4ece\u5e93\u54cd\u5e94\u8f83\u6162\uff0c\u8bbf\u95ee\u53e6\u4e00\u4e2a\u4ece\u5e93\u3002<\/p>\n<p>\u5b9e\u73b0\u4e86\u4e00\u4e2a\u6570\u636e\u8bbf\u95ee\u5c42\uff0c\u540d\u79f0\u4e3athing\u3002<\/p>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u5df2\u7ecf\u4f7f\u7528\u4e86\u5f88\u957f\u65f6\u95f4\u3002\u6df7\u5408\u4f7f\u7528\u6570\u636e\u5e93\u5206\u5e93\u5206\u8868\uff0c\u4e3b\u4ece\u8bfb\u5199\u5206\u79bb\uff0c\u8ddf\u8e2a\u6570\u636e\u8bfb\u53d6\u6027\u80fd\u4fdd\u6301\u8d1f\u8f7d\u5747\u8861\u3002<\/p>\n<p><strong>Cassandra<\/strong><\/p>\n<p>\u5feb\u901f\u5199\u5165\uff0c\u5feb\u901f\u8d1f\u67e5\u8be2\uff0c\u7b80\u5355\u9ad8\u53ef\u6269\u5c55\u6027\uff0c\u65e0\u5355\u70b9\u6545\u969c\u95ee\u9898<\/p>\n<p>\u5728 Netflix\uff08\u7f8e\u56fd\u4e00\u5bb6\u89c6\u9891\u7f51\u7ad9\uff09\uff0c\u6570\u636e\u5206\u6563\u5730\u5b58\u50a8\u5728\u4e09\u4e2a\u4e0d\u540c\u7684\u533a\u57df\u3002\u6bcf\u4e00\u4e2a\u533a\u57df\u90fd\u6709\u5168\u90e8\u533a\u57df\u7684\u6570\u636e\u3002\u5373\u4f7f\u4e00\u4e2a\u533a\u57df\u7684\u6570\u636e\u4e22\u5931\u4e86\uff0c\u7f51\u7ad9\u4ecd\u7136\u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n<p>\u628a\u6295\u7968\u6570\u636e\u8f6c\u6362\u540e\u5b58\u5165Cassandra \u662f reddit \u4e00\u6b21\u5de8\u5927\u7684\u8fdb\u6b65\u3002Cassandra \u7684 bloom \u8fc7\u6ee4\u5668\u663e\u8457\u5730\u63d0\u9ad8\u4e86\u8d1f\u67e5\u8be2\u7684\u6548\u7387\u3002\u6bd4\u5982\u5b83\u53ef\u4ee5\u5f88\u5feb\u67e5\u8be2\u51fa\u4f60\u6ca1\u6709\u6295\u7968\u8fc7\u7684\u610f\u89c1\uff0c\u56e0\u6b64\u8d1f\u67e5\u8be2\u7684\u7ed3\u679c\u663e\u793a\u5f88\u5feb\u3002<\/p>\n<p><strong>\u793e\u4f1a<\/strong><\/p>\n<p><strong>\u57282008\u5e74\uff0creddit\u5f00\u6e90\u4e86<\/strong><\/p>\n<p>\u7528\u6237\u53ef\u4ee5\u9605\u8bfb\u4ee3\u7801\uff0c\u4ece\u800c\u77e5\u9053\u6ca1\u6709\u4eba\u7834\u574f\u6295\u7968\u7ed3\u679c<\/p>\n<p>\u7528\u6237\u53ef\u4ee5\u589e\u52a0\u4ed6\u4eec\u65e9\u5c31\u60f3\u589e\u52a0\u7684\u529f\u80fd\uff0creddit\u4f1a\u63d0\u4f9b\u8fd0\u884c\u5e73\u53f0\u3002\u5f00\u8d77\u6765\uff0c\u7528\u6237\u5e76\u4e0d\u662f\u4e0d\u60f3\u5199\u4ee3\u7801\u3002<\/p>\n<p>\u62db\u8058\u3002\u522b\u4eba\u4f1a\u4e86\u89e3\u4ee3\u7801\uff0c\u6240\u4ee5\u66f4\u5bb9\u6613\u62db\u8058\u3002\u63a8\u9500\u81ea\u5df1\u7684\u60f3\u6cd5\u6765\u66f4\u597d\u5730\u5408\u4f5c<\/p>\n<p><strong>\u8815\u866b\u4e8b\u6545\u3002<\/strong> \u6709\u4eba\u6307\u51fa\u4e86\u5982\u4f55\u5728\u4e00\u4e2a\u7f51\u9875\u4e2d\u6ce8\u5165\u591a\u4f59\u7684javascript\u4ee3\u7801\u6765\u5199\u4e00\u4e2a\u8815\u866b\u7684\u65b9\u6cd5\u3002\u8fd9\u4e2a\u65b9\u6cd5\u5e76\u6ca1\u6709\u6253\u7b97\u88ab\u6cc4\u9732\u51fa\u53bb\uff0c\u4f46\u662f\u6700\u7ec8\u8fd8\u662f\u6cc4\u9732\u4e86\u3002\u5728\u90a3\u4e00\u5929\uff0c\u521b\u59cb\u4eba\u4e4b\u4e00\u6b63\u5728\u7ed3\u5a5a\uff0c\u6574\u4e2a\u56e2\u961f\u90fd\u5728\u4ece\u5a5a\u793c\u8fd4\u56de\u7684\u98de\u673a\u4e0a\u3002\u4f46\u662f\uff0c\u4e00\u4e2a\u7528\u6237\u5df2\u7ecf\u5feb\u901f\u54cd\u5e94\uff0c\u63d0\u4ea4\u4e86\u4e00\u4e2a\u963b\u6b62\u8815\u866b\u4f20\u64ad\u7684\u8865\u4e01\u3002\u5f00\u6e90\u53ef\u4ee5\u4f7f\u5f97\u5728\u5371\u673a\u65f6\u523b\u793e\u533a\u53ef\u4ee5\u63d0\u4f9b\u5e2e\u52a9\u3002<\/p>\n<p><strong>reddit\u600e\u4e48\u8d5a\u94b1\uff1f<\/strong><\/p>\n<p>\u4fa7\u8fb9\u6761\u5e7f\u544a\uff0c\u81ea\u52a9\u5e7f\u544a\uff0c\u63a8\u9500\uff0creddit\u5e01\uff0c\u5e02\u573a\u3002<\/p>\n<p>\u6ce8\u610f\uff0creddit\u8fd8\u6ca1\u6709\u5b9e\u73b0\u76c8\u5229\u3002\u8fd9\u5e26\u6765\u4e00\u4e2a\u95ee\u9898\uff0c\u50cfreddit\u8fd9\u6837\u7684\u4e91\u7aef\u7ad9\u70b9\u80fd\u5426\u5b9e\u73b0\u76c8\u5229\uff1f<\/p>\n<p>\u53e6\u5916\uff0creddit\u73b0\u5728\u4e0d\u518d\u5c5e\u4e8eCond\u00e9 Nast\uff0c\u5b83\u662f\u72ec\u7acb\u7684 \u3002<\/p>\n<p><strong>\u9519\u8bef<\/strong><\/p>\n<p><strong>\u6ca1\u6709\u8003\u8651\u8fc1\u79fb\u5230EC2\u4e4b\u540e\u589e\u52a0\u7684\u5ef6\u8fdf\u3002<\/strong> \u5728\u6570\u636e\u4e2d\u5fc3\uff0c\u673a\u5668\u4e4b\u95f4\u7684\u8bbf\u95ee\u65f6\u95f4\u90fd\u662f\u4e9a\u6beb\u79d2\u7ea7\uff0c\u6240\u4ee5\u52a0\u8f7d\u4e00\u9875\u53ef\u4ee5\u8c03\u75281000\u6b21memcache\u3002\u4f46\u662f\u5728EC2\uff0c\u60c5\u51b5\u53d1\u751f\u4e86\u53d8\u5316\uff0c Memcache\u7684\u8bbf\u95ee\u65f6\u95f4\u589e\u52a0\u4e86\u5341\u500d\uff0c\u5bfc\u81f4\u539f\u6765\u7684\u65b9\u6cd5\u884c\u4e0d\u901a\u4e86\u3002\u89e3\u51b3\u65b9\u6848\u662f\u6279\u91cf\u8c03\u7528memcache\uff0c\u8fd9\u6837\u4e00\u6b21\u8bf7\u6c42\u53ef\u4ee5\u5f97\u5230\u5927\u91cf\u7684\u7ed3\u679c\u3002<\/p>\n<p><strong>\u8fc7\u4e8e\u76f8\u4fe1\u627f\u8bfa\u3002<\/strong> Amazon\u5e76\u4e0d\u603b\u662f\u6309\u7167\u627f\u8bfa\u4ea4\u4ed8\uff0c\u6240\u4ee5\u6709\u65f6\u8981\u5706\u6ed1\u4e00\u4e9b\u5904\u7406\u3002\u8bbe\u8ba1\u7684\u65f6\u5019\u5c31\u8981\u8003\u8651\u9519\u8bef\uff0c\u800c\u4e0d\u662f\u8bd5\u56fe\u4fee\u590d\u9519\u8bef\u3002\uff08\u8fd9\u91cc\u6ca1\u6709\u53c2\u8003\u6587\u732e\uff0c\u4e5f\u8bb8EBS\u662f\u4e2a\u4f8b\u5b50\uff1f\uff09<\/p>\n<p><strong>\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4f7f\u7528\u6700\u65b0\u7684\u4ea7\u54c1\u3002<\/strong>\u5f53Cassandra\u8fd8\u5904\u4e8e\u5f00\u53d1\u5468\u671f\u7684\u65e9\u671f\u7684\u65f6\u5019\uff0c\u6211\u4eec\u5c31\u5f00\u59cb\u4f7f\u7528\u5b83\u4e86\u3002\u5b83\u73b0\u5728\u5f88\u68d2\uff0c\u4f46\u662f\u5f53\u65f6\u6709\u5f88\u591a\u95ee\u9898\u3002<\/p>\n<p><strong>\u65e9\u5c31\u5e94\u8be5\u628a\u66f4\u591a\u7684\u5de5\u4f5c\u91cf\u8fc1\u79fb\u5230client\u7aef\u3002<\/strong> \u670d\u52a1\u5668\u7aef\u505a\u4e86\u5f88\u591a\u9875\u9762\u6e32\u67d3\u7684\u5de5\u4f5c\uff0c\u4f46\u662f\u8fd9\u4e9b\u5de5\u4f5c\u5e94\u8be5\u88ab\u63a8\u5230\u5ba2\u6237\u7aef\u3002Facebook\u662f\u8fd9\u65b9\u9762\u7684\u5927\u5e08\u3002\u4f60\u4f1a\u5f97\u5230\u4e00\u4e2a\u77e9\u5f62\uff0c\u548c\u5f88\u591a\u7a7a\u7684div\uff0c\u7136\u540e\u901a\u8fc7API\u8c03\u7528\u6765\u586b\u6ee1\u8fd9\u4e9bdiv\u3002\u8fd9\u5c31\u662f\u4ed6\u4eec\u65e9\u5c31\u5e0c\u671breddit\u53ef\u4ee5\u505a\u7684\u4e8b\u60c5\u3002\u8fd9\u53ef\u4ee5\u8ba9\u6211\u4eec\u7684\u89c4\u6a21\u66f4\u5feb\u5730\u589e\u957f\u3002\u800c\u4e14\u8fd9\u4e5f\u5bf9\u8c03\u8bd5\u6709\u597d\u5904\uff0c\u56e0\u4e3a\u6211\u4eec\u5f88\u5bb9\u6613\u77e5\u9053\u54ea\u4e2aAPI\u51fa\u4e86\u95ee\u9898\u3002<\/p>\n<p><strong>\u6ca1\u6709\u8db3\u591f\u7684\u76d1\u63a7\uff0c\u800c\u4e14\u7528\u4e86\u4e00\u4e2a\u53ef\u89c6\u5316\u6548\u679c\u4e0d\u592a\u597d\u7684\u76d1\u63a7\u7cfb\u7edf\u3002<\/strong> \u6700\u5f00\u59cb\u6211\u4eec\u4f7f\u7528Ganglia\uff0c\u5b83\u53ef\u4ee5\u5c55\u793a\u975e\u5e38\u6f02\u4eae\u7684\u56fe\u8868\uff0c\u4f46\u662f\u5b83\u6bd4\u8f83\u96be\u7528\uff0c\u800c\u4e14\u53d8\u5316\u592a\u5feb\uff0c\u5c24\u5176\u662f\u5728\u4e00\u4e2a\u5b9e\u4f8b\u8fdb\u8fdb\u51fa\u51fa\u7684\u865a\u62df\u673a\u73af\u5883\u4e2d\u3002<\/p>\n<p><strong>\u6ca1\u6709\u8ba9\u6570\u636e\u8fc7\u671f\u3002<\/strong> \u5728reddit\u4f60\u80fd\u770b\u5230\u4ece\u6700\u521d\u5f00\u59cb\u7684\u8bc4\u8bba\u3002\u540e\u6765\u4ed6\u4eec\u5f00\u59cb\u589e\u52a0\u4e00\u4e9b\u9650\u5236\uff0c\u4f7f\u5f97\u4f60\u4e0d\u80fd\u5bf9\u65e7\u7684\u8bc4\u8bba\u6295\u7968\uff0c\u4e5f\u4e0d\u80fd\u56de\u590d\u65e7\u7684\u5e16\u5b50\u3002\u8fd9\u4f1a\u9020\u6210\u6570\u636e\u91cf\u8d8a\u6765\u8d8a\u5927\uff0c\u8d8a\u6765\u8d8a\u96be\u628a\u70ed\u6570\u636e\u653e\u5728\u6570\u636e\u5e93\u91cc\u9762\u3002<\/p>\n<p><strong>\u6ca1\u6709\u4f7f\u7528\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u3002Not using consistent hashing<\/strong>. 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Memcache\u4e2d\u7684\u6570\u636e\u662f\u4e0d\u505a\u6301\u4e45\u5316\u7684\uff0c\u4f46\u662f\u975e\u5e38\u5feb\uff0c\u90a3\u4e48\u6295\u7968\u6570\u636e\u5b58\u5728\u5b83\u91cc\u9762\u53ef\u4ee5\u662f\u9875\u9762\u7684\u6e32\u67d3\u4ee5\u6700\u5feb\u901f\u5ea6\u5b8c\u6210\u3002Cassandra\u662f\u6301\u4e45\u5316\u7684\uff0c\u800c\u4e14\u5feb\uff0c\u5e03\u9686\u8fc7\u6ee4\u5668\u7684\u4f7f\u7528\u4e5f\u662f\u5b83\u53ef\u4ee5\u627e\u51fa\u6ca1\u6709\u547d\u4e2d\u7684\u67e5\u8be2\uff0c\u6240\u4ee5\u4f7f\u5f97\u5b83\u5f88\u9002\u5408\u5b58\u50a8\u6ca1\u6709\u5728memcache\u4e2d\u5b58\u50a8\u7684\u6295\u7968\u6570\u636e\u7684\u526f\u672c\u3002Postgres\u662f\u975e\u5e38\u53ef\u9760\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u7528\u6765\u5b58\u653eCassandra\u4e2d\u6295\u7968\u6570\u636e\u7684\u5907\u4efd\uff08Cassandra\u4e2d\u7684\u6240\u6709\u6570\u636e\u5728\u5fc5\u8981\u7684\u60c5\u51b5\u4e0b\u53ef\u4ee5\u4ecePostgre\u4e2d\u83b7\u53d6\uff09\uff0c\u5728\u505a\u6279\u91cf\u64cd\u4f5c\u7684\u65f6\u5019\uff0c\u6709\u65f6\u4e5f\u9700\u8981\u4f9d\u8d56\u5173\u7cfb\u6570\u636e\u5e93\u7684\u529f\u80fd\u3002<\/p>\n<p><strong>\u628a\u672a\u767b\u5f55\u7528\u6237\u5f53\u4f5c\u4e8c\u7b49\u516c\u6c11\u3002<\/strong> 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