{"id":1576,"date":"2013-04-24T18:57:03","date_gmt":"2013-04-24T10:57:03","guid":{"rendered":"http:\/\/www.huzs.top\/?p=1576"},"modified":"2013-04-24T18:57:03","modified_gmt":"2013-04-24T10:57:03","slug":"pinterest%e6%9e%b6%e6%9e%84%ef%bc%9a%e4%b8%a4%e5%b9%b4%e5%86%85%e6%9c%88pv%e4%bb%8e%e9%9b%b6%e5%88%b0%e7%99%be%e4%ba%bf","status":"publish","type":"post","link":"https:\/\/www.huzs.top\/?p=1576","title":{"rendered":"Pinterest\u67b6\u6784\uff1a\u4e24\u5e74\u5185\u6708PV\u4ece\u96f6\u5230\u767e\u4ebf"},"content":{"rendered":"<p>Pinterest\u6b63\u7ecf\u5386\u4e86\u6307\u6570\u7ea7\u66f2\u7ebf\u822c\u7684\u589e\u957f\uff0c\u6bcf\u9694\u4e00\u4e2a\u534a\u6708\u7ffb\u7ffb\u3002\u5728\u8fd9\u4e24\u5e74\u91cc\uff0cPinterest\uff0c\u4ece\u00a0\u6bcf\u6708PV\u91cf0\u589e\u957f\u523010\u4ebf\uff0c\u4ece\u4e24\u540d\u6210\u7acb\u8005\u548c\u4e00\u4e2a\u5de5\u7a0b\u5e08\u6210\u957f\u4e3a\u56db\u5341\u4e2a\u5de5\u7a0b\u5e08\uff0c\u4ece\u4e00\u53f0MySQL \u670d\u52a1\u5668\u589e\u957f\u5230180\u53f0Web \u670d\u52a1\u5668(<strong>Web Engine<\/strong>)\uff0c240\u53f0\u63a5\u53e3\u670d\u52a1\u5668(<strong>API Engine<\/strong>), 88\u53f0<strong>MySQL\u00a0<\/strong>\u6570\u636e\u5e93 (<strong>cc2.8xlarge<\/strong>) \uff0c\u5e76\u4e14\u6bcf\u53f0DB\u6709\u4e00\u4e2a\u5907\u4efd\u670d\u52a1\u5668\uff0c110\u53f0<strong>Redis\u00a0<\/strong>\u5b9e\u4f8b\u670d\u52a1\uff08Redis Instance\uff09\uff0c200\u53f0\u00a0<strong>Memcache\u00a0<\/strong>\u5b9e\u4f8b\u670d\u52a1\uff08Memcache\u00a0 Instance\uff09\u3002<\/p>\n<p>\u4ee4\u4eba\u53f9\u4e3a\u89c2\u6b62\u7684\u589e\u957f\u3002\u60f3\u4e00\u63a2Pinterest\u7684\u4f20\u5947\u5417\uff1f\u6211\u4eec\u8bf7\u6765\u4e86Pinterest\u7684\u4e24\u4f4d\u521b\u7acb\u8005<a href=\"http:\/\/www.linkedin.com\/in\/yashh\" target=\"_blank\" rel=\"nofollow\">Yashwanth Nelapati<\/a>\u00a0\u548c\u00a0<a href=\"http:\/\/pinterest.com\/martaaay\/\" target=\"_blank\" rel=\"nofollow\">Marty Weiner<\/a>\uff0c\u4ed6\u4eec\u5c06\u4ee5\u00a0<a href=\"http:\/\/www.infoq.com\/presentations\/Pinterest\" target=\"_blank\" rel=\"nofollow\">Scaling Pinterest<\/a>\u4e3a\u9898\u8bb2\u8ff0\u5173\u4e8ePinterest\u67b6\u6784\u7684\u5145\u6ee1\u620f\u5267\u5316\u7684\u4f20\u5947\u6545\u4e8b\u3002\u4ed6\u4eec\u8bf4\u5982\u679c\u80fd\u5728\u4e00\u5e74\u534a\u524d\u98de\u901f\u53d1\u5c55\u65f6\u80fd\u770b\u5230\u6709\u4eba\u505a\u7c7b\u4f3c\u9898\u6750\u7684\u6f14\u8bb2\u7684\u8bdd\uff0c\u4ed6\u4eec\u5c31\u4f1a\u6709\u66f4\u591a\u7684\u9009\u62e9\uff0c\u4ee5\u907f\u514d\u81ea\u5df1\u5728\u8fd9\u4e00\u5e74\u534a\u91cc\u505a\u51fa\u7684\u5f88\u591a\u9519\u8bef\u7684\u51b3\u5b9a\u3002<\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u5f88\u4e0d\u9519\u7684\u6f14\u8bb2\uff0c\u5145\u6ee1\u4e86\u4ee4\u4eba\u60ca\u8bb6\u7684\u7ec6\u8282\u3002\u540c\u65f6\u8fd9\u4e2a\u6f14\u8bb2\u4e5f\u662f\u5f88\u52a1\u5b9e\u7684\uff0c\u5f52\u6839\u7ed3\u5e95\uff0c\u5b83\u5e26\u6765\u4e86\u53ef\u8ba9\u5927\u5bb6\u9009\u62e9\u7684\u7b56\u7565\u3002<strong>\u6781\u5ea6\u63a8\u8350<\/strong>\uff01<\/p>\n<p>\u8fd9\u7bc7\u6f14\u8bb2\u4e2d\u6709\u4e24\u4e2a\u6211\u6700\u4e3a\u770b\u91cd\u7684\u7ecf\u9a8c\uff1a<\/p>\n<p>1.\u5f3a\u5927\u7684\u67b6\u6784\u5728\u5904\u7406\u589e\u957f\u65f6\u901a\u8fc7\u7b80\u5355\u589e\u52a0\u76f8\u540c\u7684\u4e1c\u897f(\u670d\u52a1\u5668)\u6765\u5e94\u5bf9\uff0c\u540c\u65f6\u8fd8\u80fd\u4fdd\u8bc1\u7cfb\u7edf\u7684\u6b63\u786e\u6027\u3002\u5f53\u9047\u5230\u67d0\u79cd\uff08\u6027\u80fd\uff09\u95ee\u9898\u65f6\uff0c\u4f60\u60f3\u901a\u8fc7\u7838\u94b1\u6765\u6269\u5bb9\u6307\u7684\u662f\u4f60\u53ef\u4ee5\u7b80\u5355\u589e\u52a0\u670d\u52a1\u5668(boxes)\u3002\u5982\u679c\u4f60\u7684\u67b6\u6784\u80fd\u591f\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u90a3\u5b83\u5c31\u5982\u91d1\u5b50\u4e00\u822c\u5f3a\u5927\u800c\u73cd\u8d35\uff01<\/p>\n<p>2. \u5f53\u67d0\u4e9b\uff08\u6027\u80fd\u95ee\u9898\uff09\u5feb\u5230\u6781\u9650\u65f6\u5927\u591a\u6570\u6280\u672f\u90fd\u4f1a\u4ee5\u4ed6\u4eec\u81ea\u5df1\u7684\u65b9\u5f0f\u5931\u8d25\u3002\u8fd9\u5bfc\u81f4\u4ed6\u4eec\u5728\u5ba1\u6838\u5de5\u5177\u65f6\u8981\u8003\u8651\u4ee5\u4e0b\u4e00\u4e9b\u7279\u6027\uff1a\u6210\u719f\uff0c\u597d\u4e14\u7b80\u5355\uff0c\u6709\u540d\u6c14\u4e14\u7528\u7684\u4eba\u591a\uff0c\u826f\u597d \u7684\u652f\u6301\uff0c\u6301\u7eed\u7684\u4f18\u5f02\u6027\u80fd\uff0c\u5f88\u5c11\u5931\u8d25\uff0c\u5f00\u6e90\u3002\u6309\u7167\u8fd9\u6837\u7684\u6807\u51c6\uff0c\u4ed6\u4eec\u9009\u62e9\u4e86\uff1aMySQL, Solr, Memcache, and Redis\uff0c\u653e\u5f03\u4e86Cassandra \uff0cMongo\u3002<!--more--><\/p>\n<p>\u8fd9\u4e24\u70b9\u7ecf\u9a8c\u662f\u76f8\u4e92\u8054\u7cfb\u7684\u3002\u9075\u5faa\uff082\uff09\u4e2d\u63d0\u5230\u7684\u6807\u51c6\u7684\u5de5\u5177\u53ef\u4ee5\u5728\u6269\u5bb9\u65f6\u7b80\u5355\u589e\u52a0\u670d\u52a1\u5668(boxes).\u5f53\u8d1f\u8f7d\u589e\u52a0\u4e86\uff0c\u6210\u719f\u7684\u4ea7\u54c1\u66f4\u5c11\u4f1a\u6709\u95ee\u9898\u3002\u5f53\u4f60\u9047\u5230\u95ee\u9898\u65f6\uff0c\u4f60\u81f3\u5c11\u5e0c\u671b\u5b83\u7684\u793e\u533a\u56e2\u961f\u80fd\u591f\u5e2e\u52a9\u89e3\u51b3\u3002\u5f53\u4f60\u4f7f\u7528\u7684\u5de5\u5177\u8fc7\u4e8e\u6280\u5de7\u5316\u548c\u8fc7\u4e8e\u8bb2\u7a76\u65f6\uff0c\u4f60\u4f1a\u53d1\u73b0\u4f60\u9047\u5230\u4e00\u5835\u65e0\u6cd5\u903e\u8d8a\u7684\u5899\u3002<\/p>\n<p>\u5728\u8fd9\u6bb5\u6f14\u8bb2\u91cc\uff0c\u788e\u7247\u5316\uff08sharding\uff09\u4f18\u4e8e\u96c6\u7fa4(clusterting)\u7684\u89c2\u70b9\u662f\u6211\u8ba4\u4e3a\u6700\u597d\u7684\u4e00\u90e8\u5206\u3002\u4e3a\u4e86\u5e94\u5bf9\u589e\u957f\uff0c\u901a\u8fc7\u589e\u52a0\u8d44\u6e90\uff0c\u66f4\u5c11\u5931\u8d25 \u7684\u6a21\u5f0f\uff0c\u6210\u719f\uff0c\u7b80\u5355\uff0c\u826f\u597d\u7684\u652f\u6301\uff0c\u6700\u7ec8\u5706\u6ee1\u5b8c\u6210\u3002\u8bf7\u6ce8\u610f\u4ed6\u4eec\u9009\u62e9\u7684\u5de5\u5177\u4ee5sharding\u7684\u65b9\u5f0f\u589e\u957f\uff0c\u800c\u4e0d\u662fclustering\u3002\u5173\u4e8e\u4ed6\u4eec\u4e3a\u4ec0\u4e48\u9009\u62e9 sharding\u548c\u4ed6\u4eec\u5982\u4f55\u505asharding\u662f\u5f88\u6709\u8da3\u7684\u4e8b\uff0c\u8fd9\u5f88\u53ef\u80fd\u89e6\u53ca\u5230\u4f60\u4ee5\u524d\u672a\u8003\u8651\u8fc7\u7684\u573a\u666f\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u770b\u770bPinterest\u5982\u4f55\u6269\u5bb9\uff1a<\/p>\n<p>\uff08\u672c\u6bb5\u6709\u4e9b\u672f\u8bed\u9ed1\u8bdd\u4e0d\u662f\u5f88\u660e\u767d\uff0c\u671b\u7ea0\u9519\uff09<\/p>\n<h3>\u57fa\u672c\u6982\u5ff5<\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>Pins\u662f\u4e00\u5e45\u5173\u4e8e\u5176\u4ed6\u4fe1\u606f\u7684\u96c6\u5408\u7684\u56fe\u7247\uff0c\u63cf\u8ff0\u4e86\u4e3a\u4ec0\u4e48\u5b83\u5bf9\u4e8e\u7528\u6237\u6765\u8bf4\u5f88\u91cd\u8981\uff0c\u53ef\u4ee5\u94fe\u56de\u5230\u4ed6\u4eec\u53d1\u73b0\u5b83\u7684\u5730\u65b9\u3002<\/li>\n<p>\t<\/p>\n<li>Pinterest\u662f\u4e00\u4e2a\u793e\u4ea4\u7f51\u7edc\u3002\u4f60\u53ef\u4ee5\u8ffd\u8e2a\u4eba\u6216\u8005\u677f\u62a5(boards).<\/li>\n<p>\t<\/p>\n<li>Database:\u5b83\u5305\u542b\u4e86\u62e5\u6709pins\u7684\u677f\u62a5\uff08boards\uff09\u548c\u62e5\u6709\u677f\u62a5\uff08boards\uff09\u7684\u4eba\u00a0\uff0c\u53ef\u4ee5\u8ffd\u8e2a\u6216\u91cd\u65b0\u5efa\u7acb\uff08repin\uff09\u8054\u7cfb\uff0c\u8fd8\u5305\u542b\u8ba4\u8bc1\u4fe1\u606f\u3002<\/li>\n<p><\/ul>\n<p><strong>\u542f\u52a8\u4e8e2010\u5e74\u4e09\u6708&#8211;\u81ea\u6211\u53d1\u73b0\u65f6\u671f<\/strong><\/p>\n<p>\u6b64\u65f6\u6b64\u523b\uff0c\u4f60\u751a\u81f3\u4e0d\u77e5\u9053\u4f60\u5728\u505a\u7684\u8fd9\u4e2a\u4ea7\u54c1\u5c06\u8981\u505a\u4ec0\u4e48\u3002\u4f60\u6709\u60f3\u6cd5\uff0c\u8fed\u4ee3\u5f00\u53d1\u66f4\u65b0\u4ea7\u54c1\u7684\u9891\u7387\u5f88\u9ad8\u3002\u6700\u7ec8\u56e0\u9047\u5230\u4e00\u4e9b\u5728\u73b0\u5b9e\u751f\u6d3b\u4e2d\u6c38\u8fdc\u4e0d\u4f1a\u9047\u5230\u7684\u5947\u602a\u7684\u7b80\u77ed\u7684MySQL\u67e5\u8be2\u800c\u7ed3\u675f\u3002<\/p>\n<p>\u65e9\u671f\u7684\u4e00\u4e9b\u6570\u5b57\uff1a<\/p>\n<ul>\t<\/p>\n<li>\u4e24\u4e2a\u521b\u59cb\u4eba<\/li>\n<p>\t<\/p>\n<li>\u4e00\u4e2a\u5de5\u7a0b\u5e08<\/li>\n<p>\t<\/p>\n<li>Rackspace\u6258\u7ba1\u670d\u52a1\u5668<\/li>\n<p>\t<\/p>\n<li>\u4e00\u4e2a\u5c0f\u578bweb\u5f15\u64ce<\/li>\n<p>\t<\/p>\n<li>\u4e00\u4e2a\u5c0f\u578bMySQL\u6570\u636e\u5e93<\/li>\n<p><\/ul>\n<p><strong>2011\u5e741\u6708<\/strong><\/p>\n<p>\u6254\u5728\u6f5c\u4f0f\u524d\u8fdb\u4e2d\uff0c\u4ea7\u54c1\u5f97\u5230\u4e86\u4e00\u4e9b\u7528\u6237\u53cd\u9988\u3002\u4ee5\u4e0b\u662f\u6570\u636e\uff1a<\/p>\n<ul>\t<\/p>\n<li>Amazon EC2 + S3 + CloudFront\u4e91\u670d\u52a1<\/li>\n<p>\t<\/p>\n<li>\u4e00\u53f0NGinX\uff0c4\u53f0Web \u5f15\u64ce\uff08\u4f5c\u5197\u4f59\u7528\uff0c\u4e0d\u662f\u771f\u6b63\u4e3a\u4e86\u8d1f\u8f7d\uff09<\/li>\n<p>\t<\/p>\n<li>\u4e00\u53f0MySQL\u6570\u636e\u5e93+\u4e00\u53f0\u8bfb\u5907\u4efd\u670d\u52a1\u5668\uff08\u9632\u6b62\u4e3b\u670d\u52a1\u5668\u5b95\u673a\uff09<\/li>\n<p>\t<\/p>\n<li>\u4e00\u4e2a\u4efb\u52a1\u961f\u5217+\u4e24\u4e2a\u4efb\u52a1\u5904\u7406<\/li>\n<p>\t<\/p>\n<li>\u4e00\u53f0MongoDB\uff08\u4e3a\u4e86\u8ba1\u6570\uff09<\/li>\n<p>\t<\/p>\n<li>\u4e24\u4e2a\u5de5\u7a0b\u5e08<\/li>\n<p><\/ul>\n<p><strong><\/strong><strong>\u81f32011\u5e749\u6708&#8211;\u8bd5\u8fd0\u884c\u9636\u6bb5<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>\u6bcf\u4e00\u4e2a\u534a\u6708\u7ffb\u7ffb\u7684\u75af\u72c2\u589e\u957f\u9636\u6bb5\u3002<\/p>\n<ul>\t<\/p>\n<li>\u5f53\u9ad8\u901f\u53d1\u5c55\u65f6\u6bcf\u4e2a\u665a\u4e0a\u6bcf\u4e2a\u661f\u671f\u90fd\u4f1a\u6709\u6280\u672f\u5931\u8d25\u7684\u60c5\u51b5\u53d1\u751f<\/li>\n<p>\t<\/p>\n<li>\u8fd9\u65f6\uff0c\u4f60\u9605\u8bfb\u5927\u91cf\u767d\u76ae\u4e66\uff0c\u5b83\u4f1a\u544a\u8bc9\u4f60\u628a\u8fd9\u4e2a\u589e\u52a0\u8fdb\u6765\u5c31\u884c\u4e86\u3002\u5f53\u4ed6\u4eec\u6dfb\u52a0\u4e86\u5927\u91cf\u6280\u672f\u65f6\uff0c\u6beb\u65e0\u4f8b\u5916\u90fd\u5931\u8d25\u4e86\u3002<\/li>\n<p>\t<\/p>\n<li>\u6700\u7ec8\u4f60\u5f97\u5230\u4e00\u4e2a\u6781\u4e3a\u590d\u6742\u7684\u67b6\u6784\u56fe\uff1a\n<ul>\t<\/p>\n<li>Amazon EC2 + S3 + CloudFront<\/li>\n<p>\t<\/p>\n<li>2NGinX, 16 Web Engines + 2 API Engines<\/li>\n<p>\t<\/p>\n<li>5 Functionally Sharged MySQL DB + 9 \u8bfb\u5907\u4efd<\/li>\n<p>\t<\/p>\n<li>4 Cassandra \u8282\u70b9<\/li>\n<p>\t<\/p>\n<li>15 Membase \u8282\u70b9(\u5206\u6210\u4e09\u4e2a\u5355\u72ec\u7684\u96c6\u7fa4)<\/li>\n<p>\t<\/p>\n<li>8 Memcache \u8282\u70b9<\/li>\n<p>\t<\/p>\n<li>10 Redis \u8282\u70b9<\/li>\n<p>\t<\/p>\n<li>3 \u4efb\u52a1\u8def\u7531\uff08Task Routers\uff09+ 4 Task Processors<\/li>\n<p>\t<\/p>\n<li>4 ElasticSearch \u8282\u70b9<\/li>\n<p>\t<\/p>\n<li>3 Mongo\u96c6\u7fa4<\/li>\n<p>\t<\/p>\n<li>3\u540d\u5de5\u7a0b\u5e08<\/li>\n<p><\/ul>\n<p><\/li>\n<p>\t<\/p>\n<li>5\u79cd\u4e3b\u8981\u7684\u6570\u636e\u5e93\u6280\u672f\u53ea\u4e3a\u4e86\u5e94\u4ed8\u4ed6\u4eec\u81ea\u5df1\u7684\u6570\u636e<\/li>\n<p>\t<\/p>\n<li>\u589e\u957f\u6781\u5feb\u4ee5\u81f3MySQL\u8d1f\u8f7d\u5f88\u9ad8\uff0c\u800c\u5176\u4ed6\u4e00\u4e9b\u6280\u672f\u90fd\u5feb\u5230\u8fbe\u6781\u9650<\/li>\n<p>\t<\/p>\n<li>\u5f53\u4f60\u628a\u67d0\u4e9b\u6280\u672f\u7684\u5e94\u7528\u63a8\u81f3\u6781\u9650\u65f6\uff0c\u4ed6\u4eec\u53c8\u4ee5\u81ea\u5df1\u7684\u65b9\u5f0f\u5ba3\u544a\u5931\u8d25\u3002<\/li>\n<p>\t<\/p>\n<li>\u653e\u5f03\u4e00\u4e9b\u6280\u672f\u5e76\u95ee\u5b83\u4eec\u5230\u5e95\u80fd\u505a\u4ec0\u4e48\u3002\u5bf9\u6bcf\u4e00\u4ef6\u4e8b\u60c5\u91cd\u65b0\u6784\u67b6\uff0c\u6d77\u91cf\u5de5\u4f5c\u91cf\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<h3>\u67b6\u6784\u6210\u719f 2012 1\u6708<\/h3>\n<p>\u91cd\u65b0\u8bbe\u8ba1\u7684\u7cfb\u7edf\u67b6\u6784\u5982\u4e0b\uff1a<\/p>\n<ul>\t<\/p>\n<li>Amazon EC2 + S3 + Akamai, ELB<\/li>\n<p>\t<\/p>\n<li>90 Web Engines + 50 API Engines<\/li>\n<p>\t<\/p>\n<li>66 MySQL DBs (m1.xlarge) + 1 slave each<\/li>\n<p>\t<\/p>\n<li>59 Redis Instances<\/li>\n<p>\t<\/p>\n<li>51 Memcache Instances<\/li>\n<p>\t<\/p>\n<li>1 Redis Task Manager + 25 Task Processors<\/li>\n<p>\t<\/p>\n<li>Sharded Solr<\/li>\n<p>\t<\/p>\n<li>6 Engineers\u00a0.\u4f7f\u7528Mysql\uff0cRedis\uff0cMemcache Solr\uff0c\u4ed6\u4eec\u7684\u4f18\u52bf\u662f\u7b80\u5355\u9ad8\u6548\u5e76\u4e14\u662f\u6210\u719f\u7684\u6280\u672f\u3002\u00a0\u968f\u7740Web\u6d41\u91cf\u589e\u52a0\uff0cIphone\u7684\u6d41\u91cf\u4e5f\u968f\u4e4b\u5f00\u59cb\u8d8a\u6765\u8d8a\u5927\u3002<br \/>\u7a33\u5b9a\u671f 2012 10\u6708 12 \u4ec5\u4ec5\u5728\u4e00\u6708\u4efd\u4ee5\u540e\uff0c\u5927\u6982\u5c31\u67094\u500d\u7684\u6d41\u91cf\u589e\u957f\u3002 \u7cfb\u7edf\u67b6\u6784\u6570\u636e\u5982\u4e0b\uff1a\u00a0The numbers now looks like:\n<ul>\t<\/p>\n<li>Amazon EC2 + S3 + Edge Cast,Akamai, Level 3<\/li>\n<p>\t<\/p>\n<li>180 Web Engines + 240 API Engines<\/li>\n<p>\t<\/p>\n<li>88 MySQL DBs (cc2.8xlarge) + 1 slave each<\/li>\n<p>\t<\/p>\n<li>110 Redis Instances<\/li>\n<p>\t<\/p>\n<li>200 Memcache Instances<\/li>\n<p>\t<\/p>\n<li>4 Redis Task Manager + 80 Task Processors<\/li>\n<p>\t<\/p>\n<li>Sharded Solr<\/li>\n<p>\t<\/p>\n<li>40 Engineers (and growing)<\/li>\n<p><\/ul>\n<p>\u6ce8\u610f\u5230\uff0c\u6b64\u65f6\u7684\u67b6\u6784\u5e94\u8be5\u662f\u5408\u7406\u7684\uff0c\u53ea\u662f\u901a\u8fc7\u589e\u52a0\u66f4\u591a\u7684\u670d\u52a1\u5668\u3002\u4f60\u8ba4\u4e3a\u6b64\u65f6\u901a\u8fc7\u66f4\u591a\u7684\u6295\u5165\u6765\u5e94\u5bf9\u8fd9\u4e48\u5927\u7684\u89c4\u6a21\u7684\u6d41\u91cf\uff0c\u6295\u5165\u66f4\u591a\u7684\u786c\u4ef6\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c \u4e0b\u4e00\u6b65 \u8fc1\u79fb\u5230SSDs<\/li>\n<p><\/ul>\n<p><\/p>\n<h3><strong>\u4e3a\u4ec0\u4e48\u662f<\/strong><strong>Amazon EC2\/S3<\/strong><\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u76f8\u5f53\u7684\u53ef\u9760\u3002\u6570\u636e\u4e2d\u5fc3\u4e5f\u4f1a\u5b95\u673a\uff0c\u00a0Multitenancy \u52a0\u5165\u4e86\u4e0d\u5c11\u98ce\u9669\uff0c\u4f46\u4e0d\u662f\u574f\u5904\u3002<\/li>\n<p>\t<\/p>\n<li>\u826f\u597d\u7684\u6c47\u62a5\u548c\u652f\u6301\u3002\u4ed6\u4eec\u786e\u5b9e\u6709\u5f88\u4e0d\u9519\u7684\u67b6\u6784\u5e08\u800c\u4e14\u4ed6\u4eec\u77e5\u9053\u95ee\u9898\u5728\u54ea\u91cc\u3002<\/li>\n<p>\t<\/p>\n<li>\u826f\u597d\u7684\u989d\u5916\u670d\u52a1\u652f\u6301\uff08peripherals\uff09\uff0c\u7279\u522b\u662f\u5f53\u4f60\u7684\u5e94\u7528\u5904\u4e8e\u589e\u957f\u65f6\u671f\u3002\u4f60\u53ef\u80fd\u5728App Engine\u4e2d\u8f6c\u6655\uff0c\u4f60\u4e0d\u7528\u4eb2\u81ea\u53bb\u5b9e\u73b0\uff0c\u53ea\u9700\u8981\u7b80\u5355\u548c\u4ed6\u4eec\u7684\u670d\u52a1\u6253\u4ea4\u9053\uff0c\u4f8b\u5982maged cache\uff0c\u8d1f\u8f7d\u5747\u8861\uff0c\u6620\u5c04\u548c\u5316\u7b80\uff0c\u6570\u636e\u5e93\u548c\u5176\u4ed6\u6240\u6709\u65b9\u9762\u3002Amazon\u7684\u670d\u52a1\u7279\u522b\u9002\u5408\u8d77\u6b65\u9636\u6bb5\uff0c\u4e4b\u540e\u4f60\u53ef\u4ee5\u62db\u8058\u5de5\u7a0b\u5e08\u6765\u4f18\u5316\u7a0b\u5e8f\u3002<\/li>\n<p>\t<\/p>\n<li>\u5206\u79d2\u949f\u83b7\u5f97\u65b0\u7684\u670d\u52a1\u5b9e\u4f8b\u3002\u8fd9\u662f\u4e91\u670d\u52a1\u7684\u5a01\u529b\u3002\u7279\u522b\u662f\u5f53\u4f60\u53ea\u6709\u4e24\u540d\u5de5\u7a0b\u5e08\uff0c\u4f60\u4e0d\u7528\u62c5\u5fc3\u5bb9\u91cf\u89c4\u5212\u6216\u8005\u4e3a\u4e8610\u53f0memcache\u670d\u52a1\u5668\u7b49\u4e0a\u4e24\u5468\u300210\u53f0memcache\u670d\u52a1\u5668\u51e0\u5206\u949f\u5185\u5c31\u80fd\u52a0\u5b8c\u3002<\/li>\n<p>\t<\/p>\n<li>\u53cd\u5bf9\u7684\u7406\u7531\uff1a\u6709\u9650\u7684\u9009\u62e9\u3002\u76f4\u5230\u6700\u8fd1\u4f60\u624d\u80fd\u7528SSD\u800c\u4e14\u8fd8\u6ca1\u9ad8\u5185\u5b58\u914d\u7f6e\u7684\u65b9\u6848\u3002<\/li>\n<p>\t<\/p>\n<li>\u8d5e\u6210\u7684\u7406\u7531\uff1a\u8fd8\u662f\u6709\u9650\u7684\u9009\u62e9\u3002\u4f60\u4e0d\u9700\u8981\u9762\u5bf9\u4e00\u5927\u5806\u914d\u7f6e\u8fe5\u5f02\u7684\u670d\u52a1\u5668\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<h3><strong>\u4e3a\u4ec0\u4e48\u662f MySQL\uff1f<\/strong><strong><\/strong><\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u975e\u5e38\u6210\u719f<\/li>\n<p>\t<\/p>\n<li>\u975e\u5e38\u8010\u7528\u3002\u4ece\u4e0d\u5b95\u673a\u4e14\u4e0d\u4f1a\u4e22\u5931\u6570\u636e\u3002<\/li>\n<p>\t<\/p>\n<li>\u62db\u8058\u65b9\u4fbf\uff0c\u4e00\u5927\u5806\u5de5\u7a0b\u5e08\u61c2MySQL.<\/li>\n<p>\t<\/p>\n<li>\u53cd\u5e94\u65f6\u95f4\u548c\u8bf7\u6c42\u6570\u91cf\uff08requies rate\uff0c\u6211\u8ba4\u4e3a\u662frequest rate\u53c2\u8003\u4e0b\u9762\uff09\u662f\u7ebf\u6027\u589e\u957f\u7684\u3002\u6709\u4e9b\u6570\u636e\u5e93\u6280\u672f\u7684\u53cd\u5e94\u65f6\u95f4\u5728\u8bf7\u6c42\u98d9\u5347\u65f6\u4e0d\u662f\u5f88\u597d\u3002<\/li>\n<p>\t<\/p>\n<li>\u5f88\u597d\u7684\u8f6f\u4ef6\u652f\u6301&#8211;\u00a0XtraBackup, Innotop, Maatkit<\/li>\n<p>\t<\/p>\n<li>\u5f88\u597d\u7684\u793e\u533a\uff0c\u95ee\u7684\u95ee\u9898\u603b\u80fd\u8f7b\u6613\u83b7\u53d6\u5230\u7b54\u6848<\/li>\n<p>\t<\/p>\n<li>\u5f88\u597d\u7684\u5382\u5546\u652f\u6301\uff0c\u8b6c\u5982Percona<\/li>\n<p>\t<\/p>\n<li>\u5f00\u6e90&#8211;\u8fd9\u4e00\u70b9\u5f88\u91cd\u8981\uff0c\u7279\u522b\u662f\u4f60\u521a\u5f00\u59cb\u6ca1\u6709\u5f88\u591a\u8d44\u91d1\u652f\u6301\u65f6\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<h3>\u4e3a\u4ec0\u4e48\u9009\u62e9Memcache?<\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u975e\u5e38\u6210\u719f<\/li>\n<p>\t<\/p>\n<li>\u975e\u5e38\u7b80\u5355\u3002\u5b83\u5c31\u662f\u4e00\u4e2asocket\u7684\u54c8\u5e0c\u8868\u3002<\/li>\n<p>\t<\/p>\n<li>\u6027\u80fd\u4e00\u76f4\u5f88\u597d<\/li>\n<p>\t<\/p>\n<li>\u5f88\u591a\u4eba\u77e5\u9053\u5e76\u559c\u6b22<\/li>\n<p>\t<\/p>\n<li>\u4ece\u4e0d\u5d29\u6e83<\/li>\n<p>\t<\/p>\n<li>\u514d\u8d39<\/li>\n<p><\/ul>\n<p><\/p>\n<h3>\u4e3a\u4ec0\u4e48\u9009\u62e9Redis?<\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u8fd8\u4e0d\u6210\u719f\uff0c\u4f46\u5b83\u662f\u975e\u5e38\u597d\u5e76\u4e14\u76f8\u5f53\u7b80\u5355\u3002<\/li>\n<p>\t<\/p>\n<li>\u63d0\u4f9b\u4e86\u5404\u79cd\u7684\u6570\u636e\u7ed3\u6784\u3002<\/li>\n<p>\t<\/p>\n<li>\u53ef\u4ee5\u6301\u4e45\u5316\u548c\u590d\u5236\uff0c\u5e76\u4e14\u53ef\u4ee5\u9009\u62e9\u5982\u4f55\u5b9e\u73b0\u5b83\u4eec\u3002\u4f60\u53ef\u4ee5\u7528MySQL\u98ce\u683c\u6301\u4e45\u5316\uff0c\u6216\u8005\u4f60\u53ef\u4ee5\u4e0d\u8981\u6301\u4e45\u5316\uff0c\u6216\u8005\u4f60\u53ea\u89813\u5c0f\u65f6\u7684\u6301\u4e45\u5316\u3002<\/li>\n<p>\t<\/p>\n<li>Redis\u4e0a\u7684\u6570\u636e\u53ea\u4fdd\u5b583\u4e2a\u5c0f\u65f6\uff0c\u6ca1\u67093\u5c0f\u65f6\u4ee5\u4e0a\u7684\u590d\u672c\u3002\u4ed6\u4eec\u53ea\u4fdd\u75593\u4e2a\u5c0f\u65f6\u7684\u5907\u4efd\u3002<\/li>\n<p>\t<\/p>\n<li>\u5982\u679c\u5b58\u50a8\u6570\u636e\u7684\u8bbe\u5907\u53d1\u751f\u6545\u969c\uff0c\u800c\u5b83\u4eec\u53ea\u662f\u5907\u4efd\u4e86\u51e0\u4e2a\u5c0f\u65f6\u3002\u8fd9\u4e0d\u662f\u5b8c\u5168\u53ef\u9760\u7684\uff0c\u4f46\u5b83\u5f88\u7b80\u5355\u3002\u4f60\u5e76\u4e0d\u9700\u8981\u590d\u6742\u7684\u6301\u4e45\u5316\u548c\u590d\u5236\u3002\u8fd9\u662f\u4e00\u4e2a\u66f4\u7b80\u5355\uff0c\u66f4\u4fbf\u5b9c\u7684\u67b6\u6784\u3002<\/li>\n<p>\t<\/p>\n<li>\u5f88\u591a\u4eba\u77e5\u9053\u5e76\u559c\u6b22<\/li>\n<p>\t<\/p>\n<li>\u6027\u80fd\u4e00\u76f4\u5f88\u597d<\/li>\n<p>\t<\/p>\n<li>\u5f88\u5c11\u7684\u4e00\u4e9b\u6545\u969c\u3002\u4f60\u9700\u8981\u4e86\u89e3\u4e00\u4e9b\u5c0f\u6545\u969c\uff0c\u5b66\u4e60\u5e76\u89e3\u51b3\u5b83\u4eec\uff0c\u4f7f\u5b83\u8d8a\u6765\u8d8a\u6210\u719f\u3002<\/li>\n<p>\t<\/p>\n<li>\u514d\u8d39<\/li>\n<p><\/ul>\n<p><\/p>\n<h2>Solr<\/h2>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u53ea\u9700\u8981\u51e0\u5206\u949f\u7684\u5b89\u88c5\u65f6\u95f4\uff0c\u5c31\u53ef\u4ee5\u6295\u5165\u4f7f\u7528<\/li>\n<p>\t<\/p>\n<li>\u4e0d\u80fd\u6269\u5c55\u5230\u591a\u4e8e\u4e00\u53f0\u7684\u673a\u5668\u4e0a\uff08\u6700\u65b0\u7248\u672c\u5e76\u975e\u5982\u6b64\uff09<\/li>\n<p>\t<\/p>\n<li>\u5c1d\u8bd5\u5f39\u6027\u641c\u7d22\uff0c\u4f46\u662f\u4ee5Pinterest\u7684\u89c4\u6a21\u6765\u8bf4\uff0c\u53ef\u80fd\u4f1a\u56e0\u4e3a\u96f6\u788e\u6587\u4ef6\u548c\u67e5\u8be2\u592a\u591a\u800c\u4ea7\u751f\u95ee\u9898\u3002<\/li>\n<p>\t<\/p>\n<li>\u9009\u62e9\u4f7f\u7528Websolr\uff0c\u4f46\u662fPinterest\u62e5\u6709\u641c\u7d22\u56e2\u961f\uff0c\u5c06\u6765\u53ef\u80fd\u4f1a\u5f00\u53d1\u81ea\u5df1\u7684\u7248\u672c\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<h2>\u96c6\u7fa4vs.\u5206\u7247<\/h2>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5728\u8fc5\u901f\u6269\u5c55\u7684\u8fc7\u7a0b\u4e2d\uff0cPinterest\u8ba4\u8bc6\u5230\u6bcf\u6b21\u8d1f\u8f7d\u7684\u589e\u52a0\uff0c\u90fd\u9700\u8981\u5747\u5300\u7684\u4f20\u64ad\u4ed6\u4eec\u7684\u6570\u636e\u3002<\/li>\n<p>\t<\/p>\n<li>\u9488\u5bf9\u95ee\u9898\u5148\u786e\u5b9a\u89e3\u51b3\u65b9\u6848\u7684\u8303\u56f4\uff0c\u4ed6\u4eec\u9009\u62e9\u7684\u8303\u56f4\u662f\u96c6\u7fa4\u548c\u5206\u7247\u4e4b\u95f4\u7684\u4e00\u7cfb\u5217\u89e3\u51b3\u65b9\u6848\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<h3>\u96c6\u7fa4 \u2014\u2014 \u6240\u6709\u4e8b\u60c5\u90fd\u662f\u81ea\u52a8\u5316\u7684<\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u793a\u4f8b: Cassandra, MemBase, HBase<\/li>\n<p>\t<\/p>\n<li>\u7ed3\u8bba: \u592a\u53ef\u6015\u4e86\uff0c\u4e0d\u662f\u5728\u73b0\u5728\uff0c\u53ef\u80fd\u5728\u5c06\u6765\uff0c\u4f46\u73b0\u5728\u592a\u590d\u6742\u4e86\uff0c\u6709\u975e\u5e38\u591a\u7684\u6545\u969c\u70b9<\/li>\n<p>\t<\/p>\n<li>\u5c5e\u6027:\n<ul>\t<\/p>\n<li>\u81ea\u52a8\u5316\u6570\u636e\u5206\u5e03<\/li>\n<p>\t<\/p>\n<li>\u53ef\u79fb\u52a8\u6570\u636e<\/li>\n<p>\t<\/p>\n<li>\u53ef\u91cd\u65b0\u8fdb\u884c\u5206\u5e03\u5747\u8861<\/li>\n<p>\t<\/p>\n<li>\u8282\u70b9\u95f4\u53ef\u901a\u8baf\uff0c\u5927\u91cf\u7684\u63e1\u624b\u3001\u5bf9\u8bdd<\/li>\n<p><\/ul>\n<p><\/li>\n<p>\t<\/p>\n<li>\u6709\u70b9:\n<ul>\t<\/p>\n<li>\u81ea\u52a8\u4f38\u7f29\u6570\u636e\u5b58\u50a8\uff0c\u81f3\u5c11\u767d\u76ae\u4e66\u4e0a\u662f\u8fd9\u4e48\u8bf4\u7684<\/li>\n<p>\t<\/p>\n<li>\u5b89\u88c5\u7b80\u5355<\/li>\n<p>\t<\/p>\n<li>\u5728\u7a7a\u95f4\u4e2d\u5206\u5e03\u5b58\u50a8\u4f60\u7684\u6570\u636e\uff0c\u53ef\u5728\u4e0d\u540c\u533a\u57df\u6709\u6570\u636e\u4e2d\u5fc3<\/li>\n<p>\t<\/p>\n<li>\u9ad8\u53ef\u7528\u6027<\/li>\n<p>\t<\/p>\n<li>\u8d1f\u8f7d\u5747\u8861<\/li>\n<p>\t<\/p>\n<li>\u6ca1\u6709\u5355\u70b9\u6545\u969c<\/li>\n<p><\/ul>\n<p><\/li>\n<p>\t<\/p>\n<li>\u7f3a\u70b9 (\u6765\u81ea\u7528\u6237\u4e00\u624b\u7684\u4f53\u9a8c):\n<ul>\t<\/p>\n<li>\u8fd8\u662f\u76f8\u5f53\u5e74\u8f7b\u4e0d\u6210\u719f<\/li>\n<p>\t<\/p>\n<li>\u8fd8\u662f\u592a\u590d\u6742\uff0c\u4e00\u5927\u5806\u8282\u70b9\u5fc5\u987b\u5bf9\u79f0\u7684\u534f\u8bae,\u8fd9\u662f\u4e00\u4e2a\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u96be\u4ee5\u89e3\u51b3\u7684\u95ee\u9898\u3002<\/li>\n<p>\t<\/p>\n<li>\u5f88\u5c11\u7684\u793e\u533a\u652f\u6301\uff0c\u6709\u4e00\u4e2a\u6cbf\u7740\u4e0d\u540c\u4ea7\u54c1\u7ebf\u7684\u5206\u88c2\u793e\u533a\u4f1a\u51cf\u5c11\u6bcf\u4e2a\u9635\u8425\u7684\u652f\u6301\u3002<\/li>\n<p>\t<\/p>\n<li>\u5f88\u5c11\u5de5\u7a0b\u5e08\u6709\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u53ef\u80fd\u662f\u5f88\u591a\u5de5\u7a0b\u5e08\u90fd\u6ca1\u7528\u8fc7 Cassandra.<\/li>\n<p>\t<\/p>\n<li>\u590d\u6742\u548c\u548c\u53ef\u6015\u7684\u5347\u7ea7\u673a\u5236<\/li>\n<p>\t<\/p>\n<li>\u96c6\u7fa4\u7ba1\u7406\u7b97\u6cd5\u662f\u4e00\u4e2a SPOF \u5355\u70b9\u6545\u969c\uff0c\u5982\u679c\u6709\u4e2a bug \u5f71\u54cd\u6bcf\u4e2a\u8282\u70b9\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5b95\u673a 4 \u6b21\u3002<\/li>\n<p>\t<\/p>\n<li>\u96c6\u7fa4\u7ba1\u7406\u5668\u7f16\u7801\u590d\u6742\uff0c\u6709\u5982\u4e0b\u4e00\u4e9b\u5931\u8d25\u7684\u6a21\u5f0f\uff1a\n<ul>\t<\/p>\n<li><strong>\u6570\u636e\u91cd\u65b0\u5747\u8861\u4e2d\u65ad<\/strong>\uff1a\u5f53\u4e00\u4e2a\u65b0\u673a\u5668\u52a0\u5165\u7136\u540e\u6570\u636e\u5f00\u59cb\u590d\u5236,\u5b83\u88ab\u5361\u4f4f\u4e86\u3002\u4f60\u505a\u4ec0\u4e48\u5de5\u4f5c?\u6ca1\u6709\u5de5\u5177\u6765\u627e\u51fa\u5230\u5e95\u53d1\u751f\u4e86\u4ec0\u4e48\u3002\u6ca1\u6709\u793e\u4f1a\u7684\u5e2e\u52a9,\u6240\u4ee5\u4ed6\u4eec\u88ab\u56f0\u3002\u4ed6\u4eec\u53c8\u56de\u5230\u4e86MySQL\u3002<\/li>\n<p>\t<\/p>\n<li><strong>\u6240\u6709\u8282\u70b9\u7684\u6570\u636e\u635f\u574f<\/strong>. What if there\u2019s a bug that sprays badness into the write log across all of them and compaction or some other mechanism stops? Your read latencies increase. All your data is screwed and the data is gone.<\/li>\n<p>\t<\/p>\n<li><strong>\u5747\u8861\u4e0d\u5f53\u800c\u4e14\u5f88\u96be\u4fee\u590d<\/strong>. \u975e\u5e38\u5e38\u89c1\uff0c\u5982\u679c\u4f60\u670910\u4e2a\u8282\u70b9\uff0c\u4f60\u4f1a\u6ce8\u610f\u5230\u6240\u6709\u8282\u70b9\u90fd\u5728\u4e00\u4e2a\u8282\u70b9\u4e0a\uff0c\u6709\u4e00\u4e2a\u624b\u5de5\u5904\u7406\u65b9\u5f0f\uff0c\u4f46\u4f1a\u5c06\u6240\u6709\u8d1f\u8f7d\u5206\u5e03\u5230\u4e00\u4e2a\u5355\u8282\u70b9\u4e0a<\/li>\n<p>\t<\/p>\n<li><strong>\u6743\u5a01\u6570\u636e\u5931\u6548<\/strong>. \u96c6\u7fa4\u65b9\u6848\u662f\u5f88\u667a\u80fd\u7684\u3002In one case they bring in a new secondary. At about 80% the secondary says it\u2019s primary and the primary goes to secondary and you\u2019ve lost 20% of the data. Losing 20% of the data is worse than losing all of it because you don\u2019t know what you\u2019ve lost.<\/li>\n<p><\/ul>\n<p><\/li>\n<p><\/ul>\n<p><\/li>\n<p><\/ul>\n<p><\/p>\n<h3>\u5206\u7247(sharding) &#8211; \u5168\u51ed\u4eba\u624b<\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u88c1\u51b3: \u5206\u7247\u662f\u8d62\u5bb6\u3002\u6211\u89c9\u5f97\u4ed6\u4eec\u5206\u7247\u7684\u65b9\u6848\u4e0e<a href=\"http:\/\/highscalability.com\/blog\/2007\/11\/13\/flickr-architecture.html\" target=\"_blank\" rel=\"nofollow\">Flicker<\/a>\u975e\u5e38\u76f8\u4f3c\u3002<\/li>\n<p>\t<\/p>\n<li>\u7279\u70b9:\n<ul>\t<\/p>\n<li>\u5982\u679c\u53bb\u6389\u96c6\u7fa4\u65b9\u5f0f\u4e0b\u6240\u6709\u4e0d\u597d\u7684\u7279\u70b9\uff0c\u5c31\u5f97\u5230\u4e86\u5206\u7247\u3002<\/li>\n<p>\t<\/p>\n<li>\u4eba\u5de5\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u5e03\u3002<\/li>\n<p>\t<\/p>\n<li>\u4e0d\u79fb\u52a8\u6570\u636e\u3002<\/li>\n<p>\t<\/p>\n<li>\u901a\u8fc7\u5207\u5206\u6570\u636e\u6765\u5206\u62c5\u8d1f\u8377\u3002<\/li>\n<p>\t<\/p>\n<li>\u8282\u70b9\u4e0d\u77e5\u9053\u5176\u5b83\u8282\u70b9\u7684\u5b58\u5728\u3002\u67d0\u4e9b\u4e3b\u8282\u70b9\u63a7\u5236\u4e00\u5207\u3002<\/li>\n<p><\/ul>\n<p><\/li>\n<p>\t<\/p>\n<li>\u4f18\u70b9:\n<ul>\t<\/p>\n<li>\u53ef\u4ee5\u901a\u8fc7\u5207\u5206\u6570\u636e\u5e93\u6765\u6269\u5927\u5bb9\u91cf\u3002<\/li>\n<p>\t<\/p>\n<li>\u5728\u7a7a\u95f4\u4e0a\u5206\u5e03\u6570\u636e\u3002<\/li>\n<p>\t<\/p>\n<li>\u9ad8\u53ef\u7528\u3002<\/li>\n<p>\t<\/p>\n<li>\u8d1f\u8f7d\u5747\u8861\u3002<\/li>\n<p>\t<\/p>\n<li>\u653e\u7f6e\u6570\u636e\u7684\u7b97\u6cd5\u5341\u5206\u7b80\u5355\u3002\u8fd9\u662f\u6700\u4e3b\u8981\u7684\u539f\u56e0\u3002\u867d\u7136\u5b58\u5728\u5355\u70b9(SPOF)\uff0c\u4f46\u53ea\u662f\u5f88\u5c0f\u7684\u4e00\u6bb5\u4ee3\u7801\uff0c\u800c\u4e0d\u662f\u590d\u6742\u5230\u7206\u7684\u96c6\u7fa4\u7ba1\u7406\u5668\u3002\u8fc7\u4e86\u7b2c\u4e00\u5929\u5c31\u77e5\u9053\u6709\u6ca1\u6709\u95ee\u9898\u3002<\/li>\n<p>\t<\/p>\n<li>ID\u7684\u751f\u6210\u5f88\u7b80\u5355\u3002<\/li>\n<p><\/ul>\n<p><\/li>\n<p>\t<\/p>\n<li>\u7f3a\u70b9:\n<ul>\t<\/p>\n<li>\u65e0\u6cd5\u6267\u884c\u5927\u591a\u6570\u8fde\u63a5\u3002<\/li>\n<p>\t<\/p>\n<li>\u6ca1\u6709\u4e8b\u52a1\u529f\u80fd\u3002\u53ef\u80fd\u4f1a\u51fa\u73b0\u5199\u5165\u67d0\u4e2a\u6570\u636e\u5e93\u5931\u8d25\u3001\u800c\u5199\u5165\u5176\u5b83\u5e93\u6210\u529f\u7684\u60c5\u51b5\u3002<\/li>\n<p>\t<\/p>\n<li>\u8bb8\u591a\u7ea6\u675f\u53ea\u80fd\u8f6c\u79fb\u5230\u5e94\u7528\u5c42\u5b9e\u73b0\u3002<\/li>\n<p>\t<\/p>\n<li>schema\u7684\u4fee\u6539\u9700\u8981\u66f4\u591a\u7684\u89c4\u5212\u3002<\/li>\n<p>\t<\/p>\n<li>\u5982\u679c\u8981\u51fa\u62a5\u8868\uff0c\u5fc5\u987b\u5728\u6240\u6709\u5206\u7247\u4e0a\u5206\u522b\u6267\u884c\u67e5\u8be2\uff0c\u7136\u540e\u81ea\u5df1\u628a\u7ed3\u679c\u5408\u8d77\u6765\u3002<\/li>\n<p>\t<\/p>\n<li>\u8fde\u63a5\u53ea\u80fd\u8f6c\u79fb\u5230\u5e94\u7528\u5c42\u5b9e\u73b0\u3002<\/li>\n<p>\t<\/p>\n<li>\u5e94\u7528\u5fc5\u987b\u5e94\u4ed8\u4ee5\u4e0a\u6240\u6709\u7684\u95ee\u9898\u3002<\/li>\n<p><\/ul>\n<p><\/li>\n<p><\/ul>\n<p><\/p>\n<h3>\u4f55\u65f6\u9009\u62e9\u5206\u7247\uff1f<\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5f53\u6709\u51e0TB\u7684\u6570\u636e\u65f6\uff0c\u5e94\u8be5\u5c3d\u5feb\u5206\u7247\u3002<\/li>\n<p>\t<\/p>\n<li>\u5f53Pin\u8868\u884c\u6570\u8fbe\u5230\u51e0\u5341\u4ebf\uff0c\u7d22\u5f15\u8d85\u51fa\u5185\u5b58\u5bb9\u91cf\uff0c\u88ab\u4ea4\u6362\u5230\u78c1\u76d8\u65f6\u3002<\/li>\n<p>\t<\/p>\n<li>\u4ed6\u4eec\u9009\u51fa\u4e00\u4e2a\u6700\u5927\u7684\u8868\uff0c\u653e\u5165\u5355\u72ec\u7684\u6570\u636e\u5e93\u3002<\/li>\n<p>\t<\/p>\n<li>\u5355\u4e2a\u6570\u636e\u5e93\u8017\u5c3d\u4e86\u7a7a\u95f4\u3002<\/li>\n<p>\t<\/p>\n<li>\u7136\u540e\uff0c\u53ea\u80fd\u5206\u7247\u3002<\/li>\n<p><\/ul>\n<p><strong>\u5206\u7247\u7684\u8fc7\u6e21<\/strong><\/p>\n<ul>\t<\/p>\n<li>\u8fc7\u6e21\u4ece\u4e00\u4e2a\u7279\u6027\u7684\u51bb\u7ed3\u5f00\u59cb\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u786e\u8ba4\u5206\u7247\u8be5\u8fbe\u5230\u4ec0\u4e48\u6837\u7684\u6548\u679c\u2014\u2014\u5e0c\u671b\u5c3d\u5c11\u7684\u6267\u884c\u67e5\u8be2\u4ee5\u53ca\u6700\u5c11\u6570\u91cf\u7684\u6570\u636e\u5e93\u53bb\u5448\u73b0\u4e00\u4e2a\u9875\u9762\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5254\u9664\u6240\u6709\u7684MySQL join\uff0c\u5c06\u8981\u505ajoin\u7684\u8868\u683c\u52a0\u8f7d\u5230\u4e00\u4e2a\u5355\u72ec\u7684\u5206\u7247\u53bb\u505a\u67e5\u8be2\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u6dfb\u52a0\u5927\u91cf\u7684\u7f13\u5b58\uff0c\u57fa\u672c\u4e0a\u6bcf\u4e2a\u67e5\u8be2\u90fd\u9700\u8981\u88ab\u7f13\u5b58\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u8fd9\u4e2a\u6b65\u9aa4\u770b\u8d77\u6765\u50cf\uff1a<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>1 DB + Foreign Keys + Joins<\/li>\n<p>\t<\/p>\n<li>1 DB + Denormalized + Cache<\/li>\n<p>\t<\/p>\n<li>1 DB + Read Slaves + Cache<\/li>\n<p>\t<\/p>\n<li>Several functionally sharded DBs+Read Slaves+Cache<\/li>\n<p>\t<\/p>\n<li>ID sharded DBs + Backup slaves + cache<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u65e9\u671f\u7684\u53ea\u8bfb\u5974\u8282\u70b9\u4e00\u76f4\u90fd\u5b58\u5728\u95ee\u9898\uff0c\u56e0\u4e3a\u5b58\u5728slave lag\u3002\u8bfb\u4efb\u52a1\u5206\u914d\u7ed9\u4e86\u5974\u8282\u70b9\uff0c\u7136\u800c\u4e3b\u8282\u70b9\u5e76\u6ca1\u6709\u505a\u4efb\u4f55\u7684\u5907\u4efd\u8bb0\u5f55\uff0c\u8fd9\u6837\u5c31\u50cf\u4e00\u6761\u8bb0\u5f55\u4e22\u5931\u3002\u4e4b\u540ePinterest\u4f7f\u7528\u7f13\u5b58\u89e3\u51b3\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>Pinterest\u62e5\u6709\u540e\u53f0\u811a\u672c\uff0c\u6570\u636e\u5e93\u4f7f\u7528\u5b83\u6765\u505a\u5907\u4efd\u3002\u68c0\u67e5\u5b8c\u6574\u6027\u7ea6\u675f\u3001\u5f15\u7528\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u7528\u6237\u8868\u5e76\u4e0d\u8fdb\u884c\u5206\u7247\u3002Pinterest\u53ea\u662f\u4f7f\u7528\u4e86\u4e00\u4e2a\u5927\u578b\u7684\u6570\u636e\u5e93\uff0c\u5e76\u5728\u7535\u5b50\u90ae\u4ef6\u548c\u7528\u6237\u540d\u4e0a\u505a\u4e86\u76f8\u5173\u7684\u4e00\u81f4\u6027\u7ea6\u675f\u3002\u5982\u679c\u63d2\u5165\u91cd\u590d\u7528\u6237\uff0c\u4f1a\u8fd4\u56de\u5931\u8d25\u3002\u7136\u540e\u4ed6\u4eec\u5bf9\u5206\u7247\u7684\u6570\u636e\u5e93\u505a\u5927\u91cf\u7684\u5199\u64cd\u4f5c\u3002<\/li>\n<p><\/ul>\n<p><strong>\u5982\u4f55\u8fdb\u884c\u5206\u7247?<\/strong><\/p>\n<ul>\t<\/p>\n<li>\u53ef\u4ee5\u53c2\u8003Cassandra\u7684ring\u6a21\u578b\u3001Membase\u4ee5\u53caTwitter\u7684Gizzard\u3002<\/li>\n<p>\t<\/p>\n<li>\u575a\u4fe1\uff1a\u8282\u70b9\u95f4\u6570\u636e\u4f20\u8f93\u7684\u8d8a\u5c11\uff0c\u4f60\u7684\u67b6\u6784\u8d8a\u7a33\u5b9a\u3002<\/li>\n<p>\t<\/p>\n<li>Cassandra\u5b58\u5728\u6570\u636e\u5e73\u8861\u548c\u6240\u6709\u6743\u95ee\u9898\uff0c\u56e0\u4e3a\u8282\u70b9\u4eec\u4e0d\u77e5\u9053\u54ea\u4e2a\u8282\u70b9\u4fdd\u5b58\u4e86\u53e6\u4e00\u90e8\u5206\u6570\u636e\u3002Pinterest\u8ba4\u4e3a\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u51b3\u5b9a\u6570\u636e\u8be5\u5206\u914d\u5230\u54ea\u4e2a\u8282\u70b9\uff0c\u90a3\u4e48\u5c06\u6c38\u8fdc\u4e0d\u4f1a\u5b58\u5728\u95ee\u9898\u3002<\/li>\n<p>\t<\/p>\n<li>\u9884\u8ba15\u5e74\u5185\u7684\u589e\u957f\uff0c\u5e76\u4e14\u5bf9\u5176\u8fdb\u884c\u9884\u5206\u7247\u601d\u8003\u3002<\/li>\n<p>\t<\/p>\n<li>\u521d\u671f\u53ef\u4ee5\u5efa\u7acb\u4e00\u4e9b\u865a\u62df\u5206\u7247\u30028\u4e2a\u7269\u7406\u670d\u52a1\u5668\uff0c\u6bcf\u4e2a512DB\u3002\u6240\u6709\u7684\u6570\u636e\u5e93\u90fd\u88c5\u6ee1\u8868\u683c\u3002<\/li>\n<p>\t<\/p>\n<li>\u4e3a\u4e86\u9ad8\u6709\u6548\u6027\uff0c\u4ed6\u4eec\u4e00\u76f4\u90fd\u8fd0\u884c\u7740\u591a\u4e3b\u8282\u70b9\u5197\u4f59\u6a21\u5f0f\u3002\u6bcf\u4e2a\u4e3b\u8282\u70b9\u90fd\u4f1a\u5206\u914d\u7ed9\u4e00\u4e2a\u4e0d\u540c\u7684\u53ef\u7528\u6027\u533a\u57df\u3002\u5728\u6545\u969c\u65f6\uff0c\u8be5\u4e3b\u8282\u70b9\u4e0a\u7684\u4efb\u52a1\u4f1a\u5206\u914d\u7ed9\u5176\u5b83\u7684\u4e3b\u8282\u70b9\uff0c\u5e76\u4e14\u91cd\u65b0\u90e8\u7f72\u4e00\u4e2a\u4e3b\u8282\u70b9\u7528\u4ee5\u4ee3\u66ff\u3002<\/li>\n<p>\t<\/p>\n<li>\u5f53\u6570\u636e\u5e93\u4e0a\u7684\u8d1f\u8f7d\u52a0\u91cd\u65f6\uff1a<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5148\u7740\u773c\u8282\u70b9\u7684\u4efb\u52a1\u4ea4\u4ed8\u901f\u5ea6\uff0c\u53ef\u4ee5\u6e05\u695a\u662f\u5426\u6709\u95ee\u9898\u53d1\u751f\uff0c\u6bd4\u5982\uff1a\u65b0\u7279\u6027\uff0c\u7f13\u5b58\u7b49\u5e26\u6765\u7684\u95ee\u9898\u3002<\/li>\n<p>\t<\/p>\n<li>\u5982\u679c\u5c5e\u4e8e\u5355\u7eaf\u7684\u8d1f\u8f7d\u589e\u52a0\uff0cPinterest\u4f1a\u5206\u5272\u6570\u636e\u5e93\uff0c\u5e76\u544a\u8bc9\u5e94\u7528\u7a0b\u5e8f\u8be5\u5728\u4f55\u5904\u5bfb\u627e\u65b0\u7684\u8282\u70b9\u3002<\/li>\n<p>\t<\/p>\n<li>\u5728\u5206\u5272\u6570\u636e\u5e93\u4e4b\u524d\uff0cPinterest\u4f1a\u7ed9\u8fd9\u4e9b\u4e3b\u8282\u70b9\u52a0\u5165\u4e00\u4e9b\u5974\u8282\u70b9\u3002\u7136\u540e\u7f6e\u6362\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u4ee5\u5339\u914d\u65b0\u7684\u6570\u636e\u5e93\uff0c\u5728\u8fc7\u6e21\u7684\u51e0\u5206\u949f\u4e4b\u5185\uff0c\u6570\u636e\u4f1a\u540c\u65f6\u5199\u5165\u5230\u65b0\u65e7\u8282\u70b9\uff0c\u8fc7\u6e21\u7ed3\u675f\u540e\u5c06\u5207\u65ad\u8282\u70b9\u4e4b\u95f4\u7684\u901a\u9053\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<h3><strong>ID\u7ed3\u6784<\/strong><\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u4e00\u517164\u4f4d<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5206\u7247ID\uff1a16\u4f4d<\/li>\n<p>\t<\/p>\n<li>Type\uff1a10\u4f4d\u2014\u2014 Board\u3001User\u6216\u8005\u5176\u5b83\u5bf9\u8c61\u7c7b\u578b<\/li>\n<p>\t<\/p>\n<li>\u672c\u5730ID\u2014\u2014\u4f59\u4e0b\u7684\u4f4d\u6570\u7528\u4e8e\u8868\u4e2dID\uff0c\u4f7f\u7528MySQL\u81ea\u52a8\u9012\u589e\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>Twitter\u4f7f\u7528\u4e00\u4e2a\u6620\u5c04\u8868\u6765\u4e3a\u7269\u7406\u4e3b\u673a\u6620\u5c04ID\uff0c\u8fd9\u5c06\u9700\u8981\u5907\u4efd\uff1b\u9274\u4e8ePinterest\u4f7f\u7528AWS\u548cMySQL\u67e5\u8be2\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u5927\u7ea6\u9700\u89813\u6beb\u79d2\u3002Pinterest\u5e76\u6ca1\u6709\u8ba9\u8fd9\u4e2a\u989d\u5916\u7684\u4e2d\u95f4\u5c42\u53c2\u4e0e\u5de5\u4f5c\uff0c\u800c\u662f\u5c06\u4f4d\u7f6e\u4fe1\u606f\u6784\u5efa\u5728ID\u91cc\u3002<\/li>\n<p>\t<\/p>\n<li>\u7528\u6237\u88ab\u968f\u673a\u5206\u914d\u5728\u5206\u7247\u4e2d\u95f4\u3002<\/li>\n<p>\t<\/p>\n<li>\u6bcf\u4e2a\u7528\u6237\u7684\u6240\u6709\u6570\u636e\uff08pin\u3001board\u7b49\uff09\u90fd\u5b58\u653e\u5728\u540c\u4e00\u4e2a\u5206\u7247\u4e2d\uff0c\u8fd9\u5c06\u5e26\u6765\u5de8\u5927\u7684\u597d\u5904\uff0c\u907f\u514d\u4e86\u8de8\u5206\u7247\u7684\u67e5\u8be2\u53ef\u4ee5\u663e\u8457\u7684\u589e\u52a0\u67e5\u8be2\u901f\u5ea6\u3002<\/li>\n<p>\t<\/p>\n<li>\u6bcf\u4e2aboard\u90fd\u4e0e\u7528\u6237\u5e76\u5217\uff0c\u8fd9\u6837board\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u6570\u636e\u5e93\u5904\u7406\u3002<\/li>\n<p>\t<\/p>\n<li>\u5206\u7247ID\u8db3\u591f65536\u4e2a\u5206\u7247\u4f7f\u7528\uff0c\u4f46\u662f\u5f00\u59cbPinterest\u53ea\u4f7f\u7528\u4e864096\u4e2a\uff0c\u8fd9\u5141\u8bb8\u4ed6\u4eec\u8f7b\u6613\u7684\u8fdb\u884c\u6a2a\u5411\u6269\u5c55\u3002\u4e00\u65e6\u7528\u6237\u6570\u636e\u5e93\u88ab\u586b\u6ee1\uff0c\u4ed6\u4eec\u53ea\u9700\u8981\u589e\u52a0\u989d\u5916\u7684\u5206\u7247\uff0c\u7136\u540e\u8ba9\u65b0\u7528\u6237\u5199\u5165\u65b0\u7684\u5206\u7247\u5c31\u53ef\u4ee5\u4e86\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<h3><strong>\u67e5\u627e<\/strong><\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5982\u679c\u5b58\u572850\u4e2a\u67e5\u627e\uff0c\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u4ed6\u4eec\u5c06ID\u5206\u5272\u4e14\u5e76\u884c\u7684\u8fd0\u884c\u67e5\u8be2\uff0c\u90a3\u4e48\u5ef6\u65f6\u5c06\u8fbe\u5230\u6700\u9ad8\u3002<\/li>\n<p>\t<\/p>\n<li>\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u90fd\u6709\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\uff0c\u5b83\u5c06\u7ed9\u7269\u7406\u4e3b\u673a\u6620\u5c04\u4e00\u4e2a\u5206\u7247\u8303\u56f4\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u201csharddb001a\u201d: : (1, 512)<\/li>\n<p>\t<\/p>\n<li>\u201csharddb001b\u201d: : (513, 1024)\u2014\u2014\u4e3b\u8981\u5907\u4efd\u4e3b\u8282\u70b9<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5982\u679c\u4f60\u60f3\u67e5\u627e\u4e00\u4e2aID\u5750\u843d\u5728sharddb003a\u4e0a\u7684\u7528\u6237\uff1a<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5c06ID\u8fdb\u884c\u5206\u89e3<\/li>\n<p>\t<\/p>\n<li>\u5728\u5206\u7247\u6620\u5c04\u4e2d\u6267\u884c\u67e5\u627e<\/li>\n<p>\t<\/p>\n<li>\u8fde\u63a5\u5206\u7247\uff0c\u5728\u6570\u636e\u5e93\u4e2d\u641c\u5bfb\u7c7b\u578b\u3002\u5e76\u4f7f\u7528\u672c\u5730ID\u53bb\u5bfb\u627e\u8fd9\u4e2a\u7528\u6237\uff0c\u7136\u540e\u8fd4\u56de\u5e8f\u5217\u5316\u6570\u636e\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<div><\/p>\n<h3><strong>\u5bf9\u8c61\u548c\u6620\u5c04<\/strong><\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u6240\u6709\u6570\u636e\u90fd\u662f\u5bf9\u8c61\uff08pin\u3001board\u3001user\u3001comment\uff09\u6216\u8005\u6620\u5c04\uff08\u7528\u6237\u7531baord\uff0cpin\u6709like\uff09\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u9488\u5bf9\u5bf9\u8c61\uff0c\u6bcf\u4e2a\u672c\u5730ID\u90fd\u6620\u5c04\u6210MySQL Blob\u3002\u5f00\u59cb\u65f6Blob\u4f7f\u7528\u7684\u662fJSON\u683c\u5f0f\uff0c\u4e4b\u540e\u4f1a\u7ed9\u8f6c\u6362\u6210\u5e8f\u5217\u5316\u7684Thrift\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5bf9\u4e8e\u6620\u5c04\u6765\u8bf4\uff0c\u8fd9\u91cc\u6709\u4e00\u4e2a\u6620\u5c04\u8868\u3002\u4f60\u53ef\u4ee5\u4e3a\u7528\u6237\u8bfb\u53d6board\uff0cID\u5305\u542b\u4e86\u662f\u65f6\u95f4\u6233\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u4f53\u73b0\u4e8b\u4ef6\u7684\u987a\u5e8f\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u540c\u6837\u8fd8\u5b58\u5728\u53cd\u5411\u6620\u5c04\uff0c\u591a\u8868\u5bf9\u591a\u8868\uff0c\u7528\u4e8e\u67e5\u8be2\u6709\u54ea\u4e9b\u7528\u6237\u559c\u6b22\u67d0\u4e2apin\u8fd9\u6837\u7684\u64cd\u4f5c\u3002<\/li>\n<p>\t<\/p>\n<li>\u6a21\u5f0f\u7684\u547d\u540d\u65b9\u6848\u662f\uff1anoun_verb_noun: user_likes_pins, pins_like_user\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u53ea\u80fd\u4f7f\u7528\u4e3b\u952e\u6216\u8005\u662f\u7d22\u5f15\u67e5\u627e\uff08\u6ca1\u6709join\uff09\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u6570\u636e\u4e0d\u4f1a\u5411\u96c6\u7fa4\u4e2d\u90a3\u6837\u8de8\u6570\u636e\u7684\u79fb\u52a8\uff0c\u4e3e\u4e2a\u4f8b\u5b50\uff1a\u5982\u679c\u67d0\u4e2a\u7528\u6237\u5750\u843d\u572820\u5206\u7247\u4e0a\uff0c\u6240\u6709\u4ed6\u6570\u636e\u90fd\u4f1a\u5e76\u5217\u5b58\u50a8\uff0c\u6c38\u8fdc\u4e0d\u4f1a\u79fb\u52a8\u300264\u4f4dID\u5305\u542b\u4e86\u5206\u7247ID\uff0c\u6240\u4ee5\u5b83\u4e0d\u53ef\u80fd\u88ab\u79fb\u52a8\u3002\u4f60\u53ef\u4ee5\u79fb\u52a8\u7269\u7406\u6570\u636e\u5230\u53e6\u4e00\u4e2a\u6570\u636e\u5e93\uff0c\u4f46\u662f\u5b83\u4ecd\u7136\u4e0e\u76f8\u540c\u5206\u7247\u5173\u8054\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u6240\u6709\u7684\u8868\u90fd\u5b58\u653e\u5728\u5206\u7247\u4e0a\uff0c\u6ca1\u6709\u7279\u6b8a\u7684\u5206\u7247\uff0c\u5f53\u7136\u7528\u4e8e\u68c0\u6d4b\u7528\u6237\u540d\u51b2\u7a81\u7684\u5de8\u578b\u8868\u9664\u5916\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u4e0d\u9700\u8981\u6539\u53d8\u6a21\u5f0f\uff0c\u4e00\u4e2a\u65b0\u7684\u7d22\u5f15\u9700\u8981\u4e00\u4e2a\u65b0\u7684\u8868\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u56e0\u4e3a\u952e\u5bf9\u5e94\u7684\u503c\u662fblob\uff0c\u6240\u4ee5\u4f60\u4e0d\u9700\u8981\u7834\u574f\u6a21\u5f0f\u5c31\u53ef\u4ee5\u6dfb\u52a0\u5b57\u6bb5\u3002\u56e0\u4e3ablob\u6709\u4e0d\u540c\u7684\u7248\u672c\uff0c\u6240\u4ee5\u5e94\u7528\u7a0b\u5e8f\u5c06\u68c0\u6d4b\u5b83\u7684\u7248\u672c\u53f7\u5e76\u4e14\u5c06\u65b0\u8bb0\u5f55\u8f6c\u6362\u6210\u76f8\u5e94\u7684\u683c\u5f0f\uff0c\u7136\u540e\u5199\u5165\u3002\u6240\u6709\u7684\u6570\u636e\u4e0d\u9700\u8981\u7acb\u523b\u7684\u505a\u683c\u5f0f\u6539\u53d8\uff0c\u53ef\u4ee5\u5728\u8bfb\u7684\u65f6\u5019\u8fdb\u884c\u66f4\u65b0\u3002<\/li>\n<p>\t<\/p>\n<li>\u5de8\u5927\u7684\u80dc\u5229\uff0c\u56e0\u4e3a\u6539\u53d8\u8868\u683c\u9700\u8981\u5728\u4e0a\u9762\u52a0\u51e0\u4e2a\u5c0f\u65f6\u751a\u81f3\u662f\u51e0\u5929\u7684\u9501\u3002\u5982\u679c\u4f60\u9700\u8981\u4e00\u4e2a\u65b0\u7684\u7d22\u5f15\uff0c\u4f60\u53ea\u9700\u8981\u5efa\u7acb\u4e00\u5f20\u65b0\u7684\u8868\u683c\uff0c\u5e76\u586b\u5165\u5185\u5bb9\uff1b\u5728\u4e0d\u9700\u8981\u7684\u65f6\u5019\uff0c\u4e22\u5f03\u5c31\u597d\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<div><\/p>\n<h3><strong>\u5448\u73b0\u4e00\u4e2a\u7528\u6237\u6587\u4ef6\u754c\u9762<\/strong><\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u4eceURL\u4e2d\u53d6\u5f97\u7528\u6237\u540d\uff0c\u7136\u540e\u5230\u5355\u72ec\u7684\u5de8\u578b\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u7528\u6237\u7684ID\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u83b7\u53d6\u7528\u6237ID\uff0c\u5e76\u8fdb\u884c\u62c6\u5206<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u9009\u62e9\u5206\u7247\uff0c\u5e76\u8fdb\u5165<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>SELECT body from users WHERE id = &lt;local_user_id&gt;<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>SELECT board_id FROM user_has_boards WHERE user_id=&lt;user_id&gt;<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>SELECT body FROM boards WHERE id IN (&lt;boards_ids&gt;)<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>SELECT pin_id FROM board_has_pins WHERE board_id=&lt;board_id&gt;<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>SELECT body FROM pins WHERE id IN (pin_ids)<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u6240\u6709\u8c03\u7528\u90fd\u5728\u7f13\u5b58\u4e2d\u8fdb\u884c\uff08Memcache\u6216\u8005Redis\uff09\uff0c\u6240\u4ee5\u5728\u5b9e\u8df5\u4e2d\u5e76\u6ca1\u6709\u592a\u591a\u8fde\u63a5\u6570\u636e\u5e93\u7684\u540e\u7aef\u64cd\u4f5c\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<h3><strong>\u811a\u672c\u76f8\u5173<\/strong><\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5f53\u4f60\u8fc7\u6e21\u5230\u4e00\u4e2a\u5206\u7247\u67b6\u6784\uff0c\u4f60\u62e5\u6709\u4e24\u4e2a\u4e0d\u540c\u7684\u57fa\u7840\u8bbe\u65bd\u2014\u2014\u6ca1\u6709\u8fdb\u884c\u5206\u7247\u7684\u65e7\u7cfb\u7edf\u548c\u8fdb\u884c\u5206\u7247\u7684\u65b0\u7cfb\u7edf\u3002\u811a\u672c\u6210\u4e3a\u4e86\u65b0\u65e7\u7cfb\u7edf\u4e4b\u95f4\u6570\u636e\u4f20\u8f93\u7684\u6865\u6881\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u79fb\u52a85\u4ebf\u7684pin\u300116\u4ebf\u7684follower\u884c\u7b49\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u4e0d\u8981\u8f7b\u89c6\u9879\u76ee\u4e2d\u7684\u8fd9\u4e00\u90e8\u5206\uff0cPinterest\u539f\u8ba4\u4e3a\u53ea\u9700\u89812\u4e2a\u6708\u5c31\u53ef\u4ee5\u5b8c\u6210\u6570\u636e\u7684\u5b89\u7f6e\uff0c\u7136\u800c\u4ed6\u4eec\u8db3\u8db3\u82b1\u4e864\u81f35\u4e2a\u6708\u65f6\u95f4\uff0c\u522b\u5fd8\u4e86\u671f\u95f4\u4ed6\u4eec\u8fd8\u51bb\u7ed3\u4e86\u4e00\u9879\u7279\u6027\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5e94\u7528\u7a0b\u5e8f\u5fc5\u987b\u540c\u65f6\u5bf9\u4e24\u4e2a\u7cfb\u7edf\u63d2\u5165\u6570\u636e\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u4e00\u65e6\u786e\u8ba4\u6240\u6709\u7684\u6570\u636e\u90fd\u5728\u65b0\u7cfb\u7edf\u4e2d\u5c31\u4f4d\uff0c\u5c31\u53ef\u4ee5\u9002\u5f53\u7684\u589e\u52a0\u8d1f\u8f7d\u6765\u6d4b\u8bd5\u65b0\u540e\u7aef\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5efa\u7acb\u4e00\u4e2a\u811a\u672c\u519c\u573a\uff0c\u96c7\u4f63\u66f4\u591a\u7684\u5de5\u7a0b\u5e08\u53bb\u52a0\u901f\u4efb\u52a1\u7684\u5b8c\u6210\u3002\u8ba9\u4ed6\u4eec\u505a\u8fd9\u4e9b\u8868\u683c\u7684\u8f6c\u79fb\u5de5\u4f5c\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u8bbe\u8ba1\u4e00\u4e2aPyres\u526f\u672c\uff0c\u4e00\u4e2a\u5230GitHub Resque\u961f\u5217\u7684Python\u7684\u63a5\u53e3\uff0c\u8fd9\u4e2a\u961f\u5217\u5efa\u7acb\u5728Redis\u4e4b\u4e0a\u3002\u652f\u6301\u4f18\u5148\u7ea7\u548c\u91cd\u8bd5\uff0c\u4f7f\u7528Pyres\u53d6\u4ee3Celery\u548cRabbitMQ\u66f4\u662f\u8ba9\u4ed6\u4eec\u53d7\u76ca\u826f\u591a\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5904\u7406\u4e2d\u4f1a\u4ea7\u751f\u5927\u91cf\u7684\u9519\u8bef\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u53d1\u73b0\u7c7b\u4f3c\u4e22\u5931board\u7684\u9519\u8bef\uff1b\u5fc5\u987b\u91cd\u590d\u7684\u8fd0\u884c\u4efb\u52a1\uff0c\u4ee5\u4fdd\u8bc1\u5728\u6570\u636e\u7684\u5904\u7406\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u51fa\u73b0\u6682\u65f6\u6027\u7684\u9519\u8bef\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<div><\/p>\n<h3><strong>\u52a8\u6001<\/strong><\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u6700\u521d\u8bd5\u56fe\u7ed9\u5f00\u53d1\u8005\u4e00\u4e2a\u5206\u7247\u7cfb\u7edf\u3002\u6bcf\u4e2a\u5f00\u53d1\u8005\u90fd\u80fd\u62e5\u6709\u81ea\u5df1\u7684MySQL\u670d\u52a1\u5668\uff0c\u4f46\u4e8b\u60c5\u53d1\u751f\u4e86\u5feb\u901f\u7684\u53d8\u5316\uff0c\u5bfc\u81f4\u4e0d\u80fd\u5de5\u4f5c\u3002\u53d8<\/li>\n<p>\t<\/p>\n<li>\u53bb\u4e86Facebook\u7684\u6a21\u5f0f\uff1a\u6bcf\u4e2a\u4eba\u53ef\u4ee5\u83b7\u5f97\u4e00\u5207\u3002\u6240\u4ee5\uff0c\u4f60\u4e0d\u5f97\u4e0d\u975e\u5e38\u8c28\u614e<\/li>\n<p><\/ul>\n<p><\/p>\n<h3>\u672a\u6765\u53d1\u5c55\u65b9\u5411<\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u57fa\u4e8e\u670d\u52a1\u7684\u67b6\u6784\u3002\n<ul>\t<\/p>\n<li>\u5f53\u4ed6\u4eec\u5f00\u59cb\u770b\u5230\u4e86\u5f88\u591a\u7684\u6570\u636e\u5e93\u8d1f\u8f7d\uff0c\u4fbf\u50cf\u4ea7\u5375\u4e00\u6837\uff0c\u5bfc\u81f4\u4e86\u5f88\u591a\u7684\u5e94\u7528\u670d\u52a1\u5668\u548c\u5176\u4ed6\u670d\u52a1\u5668\u5806\u5728\u4e00\u8d77\u3002\u6240\u6709\u8fd9\u4e9b\u670d\u52a1\u5668\u8fde\u63a5\u5230MySQL\u548cMemcache\u3002\u8fd9\u610f\u5473\u7740\u670930K\u4e0a\u7684memcache\u8fde\u63a5\u4e86\u4e00\u5bf9\u592b\u5987\u6f14\u51fa\u7684RAM\u5f15\u8d77\u7684memcache\u5b88\u62a4\u8fdb\u7a0b\u4ea4\u6362\u3002<\/li>\n<p>\t<\/p>\n<li>\u4f5c\u4e3a\u4e00\u4e2a\u4fee\u8865\u7a0b\u5e8f\uff0c\u8fd9\u4e9b\u90fd\u662f\u79fb\u52a8\u7684\u670d\u52a1\u67b6\u6784\u3002\u6709\u4e00\u4e2a\u8ddf\u968f\u670d\u52a1\uff0c\u4f8b\u5982\uff0c\u5c06\u53ea\u56de\u7b54\u8ddf\u968f\u67e5\u8be2\u3002\u6b64\u9694\u79bb\u7684\u673a\u5668\u6570\u76ee\u81f330\u8bbf\u95ee\u6570\u636e\u5e93\u548c\u9ad8\u901f\u7f13\u5b58\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u8fde\u63a5\u3002<\/li>\n<p>\t<\/p>\n<li>\u5e2e\u52a9\u9694\u79bb\u529f\u80fd\u3002\u5e2e\u52a9\u7ec4\u7ec7\uff0c\u89e3\u51b3\u548c\u652f\u6301\u8fd9\u4e9b\u670d\u52a1\u7684\u56e2\u961f\u3002\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\uff0c\u4e3a\u4e86\u5b89\u5168\u5f00\u53d1\u4eba\u5458\u4e0d\u80fd\u8bbf\u95ee\u5176\u4ed6\u670d\u52a1\u3002<\/li>\n<p><\/ul>\n<p><\/li>\n<p><\/ul>\n<p><\/div>\n<p><\/div>\n<p><\/p>\n<h3><strong>\u5b66\u5230\u7684\u77e5\u8bc6<\/strong><\/h3>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u4e3a\u4e86\u5e94\u5bf9\u672a\u6765\u7684\u95ee\u9898\uff0c\u8ba9\u5176\u4fdd\u6301\u7b80\u5355\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u8ba9\u5176\u53d8\u7684\u6709\u8da3\u3002\u53ea\u8981\u5e94\u7528\u7a0b\u5e8f\u8fd8\u5728\u4f7f\u7528\uff0c\u5c31\u4f1a\u6709\u5f88\u591a\u7684\u5de5\u7a0b\u5e08\u52a0\u5165\uff0c\u8fc7\u4e8e\u590d\u6742\u7684\u7cfb\u7edf\u5c06\u4f1a\u8ba9\u5de5\u4f5c\u5931\u53bb\u4e50\u8da3\u3002\u8ba9\u67b6\u6784\u4fdd\u6301\u7b80\u5355\u5c31\u662f\u5927\u7684\u80dc\u5229\uff0c\u65b0\u7684\u5de5\u7a0b\u5e08\u4ece\u5165\u804c\u7684\u7b2c\u4e00\u5468\u8d77\u5c31\u53ef\u4ee5\u5bf9\u9879\u76ee\u6709\u6240\u8d21\u732e\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5f53\u4f60\u628a\u4e8b\u7269\u7528\u81f3\u6781\u9650\u65f6\uff0c\u8fd9\u4e9b\u6280\u672f\u90fd\u4f1a\u4ee5\u5404\u81ea\u4e0d\u540c\u7684\u65b9\u5f0f\u53d1\u751f\u6545\u969c\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5982\u679c\u4f60\u7684\u67b6\u6784\u5e94\u5bf9\u589e\u957f\u6240\u5e26\u6765\u7684\u95ee\u9898\u65f6\uff0c\u53ea\u9700\u8981\u7b80\u5355\u7684\u6295\u5165\u66f4\u591a\u7684\u4e3b\u673a\uff0c\u90a3\u4e48\u4f60\u7684\u67b6\u6784\u542b\u91d1\u91cf\u5341\u8db3\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u96c6\u7fa4\u7ba1\u7406\u7b97\u6cd5\u672c\u8eab\u5c31\u7528\u4e8e\u5904\u7406SPOF\uff0c\u5982\u679c\u5b58\u5728\u6f0f\u6d1e\u7684\u8bdd\u53ef\u80fd\u5c31\u4f1a\u5f71\u54cd\u5230\u6bcf\u4e2a\u8282\u70b9\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u4e3a\u4e86\u5feb\u901f\u7684\u589e\u957f\uff0c\u4f60\u9700\u8981\u4e3a\u6bcf\u6b21\u8d1f\u8f7d\u589e\u52a0\u7684\u6570\u636e\u8fdb\u884c\u5747\u5300\u5206\u914d\u3002<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u5728\u8282\u70b9\u95f4\u4f20\u8f93\u7684\u6570\u636e\u8d8a\u5c11\uff0c\u4f60\u7684\u67b6\u6784\u8d8a\u7a33\u5b9a\u3002\u8fd9\u4e5f\u662f\u4ed6\u4eec\u5f03\u96c6\u7fa4\u800c\u9009\u62e9\u5206\u7247\u7684\u539f\u56e0<\/li>\n<p><\/ul>\n<p><\/p>\n<ul>\t<\/p>\n<li>\u4e00\u4e2a\u9762\u5411\u670d\u52a1\u7684\u67b6\u6784\u89c4\u5219\u3002\u62c6\u5206\u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href=\"http:\/\/highscalability.com\/blog\/2013\/4\/15\/scaling-pinterest-from-0-to-10s-of-billions-of-page-views-a.html\" target=\"_blank\" rel=\"external nofollow\">Scaling Pinterest &#8211; From 0 to 10s of Billions of Page Views a Month in Two Years<\/a><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pinterest\u6b63\u7ecf\u5386\u4e86\u6307\u6570\u7ea7\u66f2\u7ebf\u822c\u7684\u589e\u957f\uff0c\u6bcf\u9694\u4e00\u4e2a\u534a\u6708\u7ffb\u7ffb\u3002\u5728\u8fd9\u4e24\u5e74\u91cc\uff0cPinterest\uff0c\u4ece\u00a0\u6bcf\u6708PV\u91cf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1576","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/posts\/1576","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.huzs.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1576"}],"version-history":[{"count":0,"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/posts\/1576\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.huzs.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.huzs.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.huzs.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}