{"id":876,"date":"2016-07-18T19:43:27","date_gmt":"2016-07-18T11:43:27","guid":{"rendered":"https:\/\/yanjingang.com\/blog\/?p=876"},"modified":"2016-12-23T14:29:15","modified_gmt":"2016-12-23T06:29:15","slug":"%e4%b8%8d%e6%87%82%e7%82%b9cap%e7%90%86%e8%ae%ba%ef%bc%8c%e4%bd%a0%e5%a5%bd%e6%84%8f%e6%80%9d%e8%af%b4%e4%bd%a0%e6%98%af%e5%81%9a%e5%88%86%e5%b8%83%e5%bc%8f%e7%9a%84%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/yanjingang.com\/blog\/?p=876","title":{"rendered":"\u4e0d\u61c2\u70b9CAP\u7406\u8bba\uff0c\u4f60\u597d\u610f\u601d\u8bf4\u4f60\u662f\u505a\u5206\u5e03\u5f0f\u7684\u5417\uff1f"},"content":{"rendered":"<h2>CAP\u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>CAP\u7406\u8bba\uff0c\u88ab\u620f\u79f0\u4e3a[\u5e3d\u5b50\u7406\u8bba]\u3002CAP\u7406\u8bba\u7531Eric Brewer\u5728ACM\u7814\u8ba8\u4f1a\u4e0a\u63d0\u51fa\uff0c\u800c\u540eCAP\u88ab\u5949\u4e3a\u5206\u5e03\u5f0f\u9886\u57df\u7684\u91cd\u8981\u7406\u8bba\u3010link1\u3011 \u3002<\/p>\n<h4>\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684CAP\u7406\u8bba<\/h4>\n<p>\u9996\u5148\u628a\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u4e09\u4e2a\u7279\u6027\u8fdb\u884c\u4e86\u5982\u4e0b\u5f52\u7eb3\uff1a<\/p>\n<ul class=\"list-paddingleft-2\">\n<li><strong>\u4e00\u81f4\u6027\uff08C\uff09<\/strong>\uff1a\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6240\u6709\u6570\u636e\u5907\u4efd\uff0c\u5728\u540c\u4e00\u65f6\u523b\u662f\u5426\u540c\u6837\u7684\u503c\u3002\uff08\u7b49\u540c\u4e8e\u6240\u6709\u8282\u70b9\u8bbf\u95ee\u540c\u4e00\u4efd\u6700\u65b0\u7684\u6570\u636e\u526f\u672c\uff09<\/li>\n<li><strong>\u53ef\u7528\u6027\uff08A\uff09<\/strong>\uff1a\u5728\u96c6\u7fa4\u4e2d\u4e00\u90e8\u5206\u8282\u70b9\u6545\u969c\u540e\uff0c\u96c6\u7fa4\u6574\u4f53\u662f\u5426\u8fd8\u80fd\u54cd\u5e94\u5ba2\u6237\u7aef\u7684\u8bfb\u5199\u8bf7\u6c42\u3002\uff08\u5bf9\u6570\u636e\u66f4\u65b0\u5177\u5907\u9ad8\u53ef\u7528\u6027\uff09<\/li>\n<li><strong>\u5206\u533a\u5bb9\u5fcd\u6027\uff08P\uff09<\/strong>\uff1a\u4ee5\u5b9e\u9645\u6548\u679c\u800c\u8a00\uff0c\u5206\u533a\u76f8\u5f53\u4e8e\u5bf9\u901a\u4fe1\u7684\u65f6\u9650\u8981\u6c42\u3002\u7cfb\u7edf\u5982\u679c\u4e0d\u80fd\u5728\u65f6\u9650\u5185\u8fbe\u6210\u6570\u636e\u4e00\u81f4\u6027\uff0c\u5c31\u610f\u5473\u7740\u53d1\u751f\u4e86\u5206\u533a\u7684\u60c5\u51b5\uff0c\u5fc5\u987b\u5c31\u5f53\u524d\u64cd\u4f5c\u5728C\u548cA\u4e4b\u95f4\u505a\u51fa\u9009\u62e9\u3002<\/li>\n<\/ul>\n<p>\u9ad8\u53ef\u7528\u3001\u6570\u636e\u4e00\u81f4\u6027\u662f\u5f88\u591a\u7cfb\u7edf\u8bbe\u8ba1\u7684\u76ee\u6807\uff0c\u4f46\u662f\u5206\u533a\u53c8\u662f\u4e0d\u53ef\u907f\u514d\u7684\u4e8b\u60c5\u3002\u6211\u4eec\u6765\u770b\u4e00\u770b\u5206\u522b\u62e5\u6709CA\u3001CP\u548cAP\u7684\u60c5\u51b5\u3002<\/p>\n<p><strong>CA without P<\/strong>\uff1a\u5982\u679c\u4e0d\u8981\u6c42P\uff08\u4e0d\u5141\u8bb8\u5206\u533a\uff09\uff0c\u5219C\uff08\u5f3a\u4e00\u81f4\u6027\uff09\u548cA\uff08\u53ef\u7528\u6027\uff09\u662f\u53ef\u4ee5\u4fdd\u8bc1\u7684\u3002\u4f46\u5176\u5b9e\u5206\u533a\u4e0d\u662f\u4f60\u60f3\u4e0d\u60f3\u7684\u95ee\u9898\uff0c\u800c\u662f\u59cb\u7ec8\u4f1a\u5b58\u5728\uff0c\u56e0\u6b64CA\u7684\u7cfb\u7edf\u66f4\u591a\u7684\u662f\u5141\u8bb8\u5206\u533a\u540e\u5404\u5b50\u7cfb\u7edf\u4f9d\u7136\u4fdd\u6301CA\u3002<\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/1-1.png\" rel=\"attachment wp-att-881\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-881\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/1-1.png\" alt=\"1\" width=\"681\" height=\"502\" srcset=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/1-1.png 681w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/1-1-300x221.png 300w\" sizes=\"(max-width: 681px) 100vw, 681px\" \/><\/a><\/p>\n<p>from\uff1a<a>http:\/\/www.cs.berkeley.edu\/~brewer\/cs262b-2004\/PODC-keynote.pdf<\/a><\/p>\n<p><strong>CP without A<\/strong>\uff1a\u5982\u679c\u4e0d\u8981\u6c42A\uff08\u53ef\u7528\uff09\uff0c\u76f8\u5f53\u4e8e\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u9700\u8981\u5728Server\u4e4b\u95f4\u5f3a\u4e00\u81f4\uff0c\u800cP\uff08\u5206\u533a\uff09\u4f1a\u5bfc\u81f4\u540c\u6b65\u65f6\u95f4\u65e0\u9650\u5ef6\u957f\uff0c\u5982\u6b64CP\u4e5f\u662f\u53ef\u4ee5\u4fdd\u8bc1\u7684\u3002\u5f88\u591a\u4f20\u7edf\u7684\u6570\u636e\u5e93\u5206\u5e03\u5f0f\u4e8b\u52a1\u90fd\u5c5e\u4e8e\u8fd9\u79cd\u6a21\u5f0f\u3002<\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/2.png\" rel=\"attachment wp-att-882\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-882\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/2.png\" alt=\"2\" width=\"681\" height=\"500\" srcset=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/2.png 681w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/2-300x220.png 300w\" sizes=\"(max-width: 681px) 100vw, 681px\" \/><\/a><br \/>\nfrom \u540c\u4e0a<\/p>\n<p><strong>AP wihtout C<\/strong>\uff1a\u8981\u9ad8\u53ef\u7528\u5e76\u5141\u8bb8\u5206\u533a\uff0c\u5219\u9700\u653e\u5f03\u4e00\u81f4\u6027\u3002\u4e00\u65e6\u5206\u533a\u53d1\u751f\uff0c\u8282\u70b9\u4e4b\u95f4\u53ef\u80fd\u4f1a\u5931\u53bb\u8054\u7cfb\uff0c\u4e3a\u4e86\u9ad8\u53ef\u7528\uff0c\u6bcf\u4e2a\u8282\u70b9\u53ea\u80fd\u7528\u672c\u5730\u6570\u636e\u63d0\u4f9b\u670d\u52a1\uff0c\u800c\u8fd9\u6837\u4f1a\u5bfc\u81f4\u5168\u5c40\u6570\u636e\u7684\u4e0d\u4e00\u81f4\u6027\u3002\u73b0\u5728\u4f17\u591a\u7684NoSQL\u90fd\u5c5e\u4e8e\u6b64\u7c7b\u3002<\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/3.png\" rel=\"attachment wp-att-883\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-883\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/3.png\" alt=\"3\" width=\"679\" height=\"511\" srcset=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/3.png 679w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/3-300x226.png 300w\" sizes=\"(max-width: 679px) 100vw, 679px\" \/><\/a><br \/>\nfrom \u540c\u4e0a<\/p>\n<h2>CAP\u7406\u8bba\u7684\u8bc1\u660e<\/h2>\n<p>\u8be5\u7406\u8bba\u7531brewer\u63d0\u51fa\uff0c2\u5e74\u540e\u5c31\u662f2002\u5e74\uff0cLynch\u4e0e\u5176\u4ed6\u4eba\u8bc1\u660e\u4e86Brewer\u731c\u60f3\uff0c\u4ece\u800c\u628aCAP\u4e0a\u5347\u4e3a\u4e00\u4e2a\u5b9a\u7406\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u5b83\u53ea\u662f\u8bc1\u660e\u4e86CAP\u4e09\u8005\u4e0d\u53ef\u80fd\u540c\u65f6\u6ee1\u8db3\uff0c\u5e76\u6ca1\u6709\u8bc1\u660e\u4efb\u610f\u4e8c\u8005\u90fd\u53ef\u6ee1\u8db3\u7684\u95ee\u9898\uff0c\u6240\u4ee5\uff0c\u8be5\u8bc1\u660e\u88ab\u8ba4\u4e3a\u662f\u4e00\u4e2a\u6536\u7a84\u7684\u7ed3\u679c\u3002<\/p>\n<p>Lynch\u7684\u8bc1\u660e\u76f8\u5bf9\u6bd4\u8f83\u7b80\u5355\uff1a<strong>\u91c7\u7528\u53cd\u8bc1\u6cd5\uff0c\u5982\u679c\u4e09\u8005\u53ef\u540c\u65f6\u6ee1\u8db3\uff0c\u5219\u56e0\u4e3a\u5141\u8bb8P\u7684\u5b58\u5728\uff0c\u4e00\u5b9a\u5b58\u5728Server\u4e4b\u95f4\u7684\u4e22\u5305\uff0c\u5982\u6b64\u5219\u4e0d\u80fd\u4fdd\u8bc1C\uff0c\u8bc1\u660e\u7b80\u6d01\u800c\u4e25\u8c28<\/strong>\u3002<\/p>\n<p>\u5728\u8be5\u8bc1\u660e\u4e2d\uff0c<strong>\u5bf9CAP\u7684\u5b9a\u4e49\u8fdb\u884c\u4e86\u66f4\u660e\u786e\u7684\u58f0\u660e<\/strong>\uff1a<\/p>\n<ul class=\"list-paddingleft-2\">\n<li><strong>C<\/strong>\uff1a\u4e00\u81f4\u6027\u88ab\u79f0\u4e3a\u539f\u5b50\u5bf9\u8c61\uff0c\u4efb\u4f55\u7684\u8bfb\u5199\u90fd\u5e94\u8be5\u770b\u8d77\u6765\u662f\u201c\u539f\u5b50\u201c\u7684\uff0c\u6216\u4e32\u884c\u7684\u3002\u5199\u540e\u9762\u7684\u8bfb\u4e00\u5b9a\u80fd\u8bfb\u5230\u524d\u9762\u5199\u7684\u5185\u5bb9\u3002\u6240\u6709\u7684\u8bfb\u5199\u8bf7\u6c42\u90fd\u597d\u50cf\u88ab\u5168\u5c40\u6392\u5e8f\u4e00\u6837\u3002<\/li>\n<li><strong>A<\/strong>\uff1a\u5bf9\u4efb\u4f55\u975e\u5931\u8d25\u8282\u70b9\u90fd\u5e94\u8be5\u5728\u6709\u9650\u65f6\u95f4\u5185\u7ed9\u51fa\u8bf7\u6c42\u7684\u56de\u5e94\u3002\uff08\u8bf7\u6c42\u7684\u53ef\u7ec8\u6b62\u6027\uff09<\/li>\n<li><strong>P<\/strong>\uff1a\u5141\u8bb8\u8282\u70b9\u4e4b\u95f4\u4e22\u5931\u4efb\u610f\u591a\u7684\u6d88\u606f\uff0c\u5f53\u7f51\u7edc\u5206\u533a\u53d1\u751f\u65f6\uff0c\u8282\u70b9\u4e4b\u95f4\u7684\u6d88\u606f\u53ef\u80fd\u4f1a\u5b8c\u5168\u4e22\u5931\u3002<\/li>\n<\/ul>\n<h2>CAP\u7406\u8bba\u6f84\u6e05<\/h2>\n<p>[CAP\u7406\u8bba\u5341\u4e8c\u5e74\u56de\u987e\uff1a\u201d\u89c4\u5219\u201d\u53d8\u4e86]\u4e00\u6587\u9996\u53d1\u4e8e \u00a0Computer \u6742\u5fd7\uff0c\u540e\u7531InfoQ\u548cIEEE\u8054\u5408\u5448\u73b0,\u975e\u5e38\u7cbe\u5f69\uff0c\u6587\u7ae0\u8868\u8fbe\u4e86\u51e0\u4e2a\u89c2\u70b9\u3010link2\u3011\u3002<\/p>\n<blockquote>\n<h4>\u201c\u4e09\u9009\u4e8c\u201d\u662f\u4e00\u4e2a\u4f2a\u547d\u9898<\/h4>\n<\/blockquote>\n<p>\u4e0d\u662f\u4e3a\u4e86P\uff08\u5206\u533a\u5bb9\u5fcd\u6027\uff09\uff0c\u8981\u5728A\u548cC\u4e4b\u95f4\u9009\u62e9\u4e00\u4e2a\u3002\u5206\u533a\u5f88\u5c11\u51fa\u73b0\uff0cCAP\u5728\u5927\u591a\u6570\u65f6\u5019\u5141\u8bb8\u5b8c\u7f8e\u7684C\u548cA\u3002\u4f46\u5f53\u5206\u533a\u5b58\u5728\u6216\u53ef\u611f\u77e5\u5176\u5f71\u54cd\u7684\u60c5\u51b5\u4e0b\uff0c\u5c31\u8981\u9884\u5907\u4e00\u79cd\u7b56\u7565\u53bb\u63a2\u77e5\u5206\u533a\u5e76\u663e\u5f0f\u5904\u7406\u5176\u5f71\u54cd\u3002<\/p>\n<p>\u8fd9\u6837\u7684\u7b56\u7565\u5e94\u5206\u4e3a<strong>\u4e09\u4e2a\u6b65\u9aa4<\/strong>\uff1a<\/p>\n<blockquote>\n<ol class=\"list-paddingleft-2\">\n<li>\u63a2\u77e5\u5206\u533a\u53d1\u751f<\/li>\n<li>\u8fdb\u5165\u663e\u5f0f\u7684\u5206\u533a\u6a21\u5f0f\u4ee5\u9650\u5236\u67d0\u4e9b\u64cd\u4f5c<\/li>\n<li>\u542f\u52a8\u6062\u590d\u8fc7\u7a0b\u4ee5\u6062\u590d\u6570\u636e\u4e00\u81f4\u6027\u5e76\u8865\u507f\u5206\u533a\u671f\u95f4\u53d1\u751f\u7684\u9519\u8bef\u3002<\/li>\n<\/ol>\n<\/blockquote>\n<p>\u201c\u4e00\u81f4\u6027\u7684\u4f5c\u7528\u8303\u56f4\u201d\u5176\u5b9e\u53cd\u6620\u4e86\u8fd9\u6837\u4e00\u79cd\u89c2\u5ff5\uff0c\u5373\u5728\u4e00\u5b9a\u7684\u8fb9\u754c\u5185\u72b6\u6001\u662f\u4e00\u81f4\u7684\uff0c\u4f46\u8d85\u51fa\u4e86\u8fb9\u754c\u5c31\u65e0\u4ece\u8c08\u8d77\u3002<\/p>\n<p>\u6bd4\u5982\u5728\u4e00\u4e2a\u4e3b\u5206\u533a\u5185\u53ef\u4ee5\u4fdd\u8bc1\u5b8c\u5907\u7684\u4e00\u81f4\u6027\u548c\u53ef\u7528\u6027\uff0c\u800c\u5728\u5206\u533a\u5916\u670d\u52a1\u662f\u4e0d\u53ef\u7528\u7684\u3002Paxos\u7b97\u6cd5\u548c\u539f\u5b50\u6027\u591a\u64ad\uff08atomic multicast\uff09\u7cfb\u7edf\u4e00\u822c\u7b26\u5408\u8fd9\u6837\u7684\u573a\u666f\u3002<\/p>\n<p>\u50cfGoogle\u7684\u4e00\u822c\u505a\u6cd5\u662f\u5c06\u4e3b\u5206\u533a\u5f52\u5c5e\u5728\u5355\u4e2a\u6570\u636e\u4e2d\u5fc3\u91cc\u9762\uff0c\u7136\u540e\u4ea4\u7ed9Paxos\u7b97\u6cd5\u53bb\u89e3\u51b3\u8de8\u533a\u57df\u7684\u95ee\u9898\uff0c\u4e00\u65b9\u9762\u4fdd\u8bc1\u5168\u5c40\u534f\u5546\u4e00\u81f4\uff08global consensus\uff09\u5982Chubby\uff0c\u4e00\u65b9\u9762\u5b9e\u73b0\u9ad8\u53ef\u7528\u7684\u6301\u4e45\u6027\u5b58\u50a8\u5982Megastore\u3002<\/p>\n<blockquote>\n<h4>ACID\u3001BASE\u3001CAP<\/h4>\n<\/blockquote>\n<p>ACID\u548cBASE \u8fd9\u4e24\u4e2a\u672f\u8bed\u90fd\u597d\u8bb0\u6709\u4f59\u800c\u7cbe\u786e\u4e0d\u8db3\uff0c\u51fa\u73b0\u8f83\u665a\u7684BASE\u786c\u51d1\u7684\u611f\u89c9\u66f4\u660e\u663e\uff0c\u5b83\u662f\u201cBasically Available, Soft state, Eventually consistent\uff08\u57fa\u672c\u53ef\u7528\u3001\u8f6f\u72b6\u6001\u3001\u6700\u7ec8\u4e00\u81f4\u6027\uff09\u201d\u7684\u9996\u5b57\u6bcd\u7f29\u5199\u3002<\/p>\n<p>\u5176\u4e2d\u7684\u8f6f\u72b6\u6001\u548c\u6700\u7ec8\u4e00\u81f4\u6027\u8fd9\u4e24\u79cd\u6280\u5de7\u64c5\u4e8e\u5bf9\u4ed8\u5b58\u5728\u5206\u533a\u7684\u573a\u5408\uff0c\u5e76\u56e0\u6b64\u63d0\u9ad8\u4e86\u53ef\u7528\u6027\u3002<\/p>\n<p><strong>CAP\u4e0eACID\u7684\u5173\u7cfb\u66f4\u590d\u6742\u4e00\u4e9b\uff0c\u4e5f\u56e0\u6b64\u5f15\u8d77\u66f4\u591a\u8bef\u89e3\u3002\u5176\u4e2d\u4e00\u4e2a\u539f\u56e0\u662fACID\u7684C\u548cA\u5b57\u6bcd\u6240\u4ee3\u8868\u7684\u6982\u5ff5\u4e0d\u540c\u4e8eCAP\u7684C\u548cA\u3002\u8fd8\u6709\u4e00\u4e2a\u539f\u56e0\u662f\u9009\u62e9\u53ef\u7528\u6027\u53ea\u90e8\u5206\u5730\u5f71\u54cdACID\u7ea6\u675f\u3002<\/strong><\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/4.png\" rel=\"attachment wp-att-884\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-884\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/4.png\" alt=\"4\" width=\"602\" height=\"198\" srcset=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/4.png 602w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/4-300x99.png 300w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><\/a><br \/>\n<strong>\u8fdb\u4e00\u6b65\u770b[\u5206\u533a]\u4e4b\u540e<\/strong><\/p>\n<p>\u7528\u4e00\u4e0b\u8fd9\u5f20\u56fe[\u5f15\u7528\u81ea link 2]\uff0c\u5728\u72b6\u6001S\u7684\u65f6\u5019\u662f\u975e\u5206\u533a\u72b6\u6001\uff0c\u800c\u5206\u533a\u6a21\u5f0f\u5219\u6f14\u5316\u51fa\u6765\u4e86S1\uff0cS2\uff0c\u90a3\u4e48\u95ee\u9898\u6765\u4e86\uff0c<strong>\u5206\u533a\u6062\u590d\u4e4b\u540e\uff0c\u72b6\u6001\u7a76\u7adf\u662f\u591a\u5c11\u5462\uff1f\u6709\u51e0\u79cd\u89e3\u51b3\u65b9\u6848\uff1f<\/strong><\/p>\n<p>1\u3001\u5206\u533a\u6062\u590d\u7b56\u7565\uff1a\u53ef\u4ea4\u6362\u591a\u526f\u672c\u6570\u636e\u7c7b\u578b<\/p>\n<p>\u6ce8\u610f\uff0c\u80fd\u652f\u6301\u6b64\u7c7b\u5904\u7406\u7684\u573a\u666f\u662f\u6709\u9650\u7684\u3002<\/p>\n<p>riak_dt \u5c31\u662f\u8fd9\u6837\u4e00\u79cd\u4fdd\u969c\u6700\u7ec8\u4e00\u81f4\u6027\u5b9e\u73b0\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u5206\u4e3aOperation-based CRDTs\u3001State-based CRDTs 2\u79cd\u5f62\u6001\u3002<\/p>\n<p>riak_dt \u00a0 link\u53c2\u89c1 link <a>3<\/a>\u3002<\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/?attachment_id=1128\" rel=\"attachment wp-att-1128\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-1128\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/CAP.png\" alt=\"cap\" width=\"630\" height=\"206\" srcset=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/CAP.png 630w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/CAP-300x98.png 300w\" sizes=\"(max-width: 630px) 100vw, 630px\" \/><\/a><\/p>\n<p>from\uff1a<a>https:\/\/en.wikipedia.org\/wiki\/Conflict-free_replicated_data_type<\/a><\/p>\n<p>2\u3001\u5206\u533a\u6062\u590d\u7b56\u7565\uff1a\u56de\u653e\u5408\u5e76<\/p>\n<p>\u5728\u5206\u533a\u6062\u590d\u8fc7\u7a0b\u4e2d\uff0c\u8bbe\u8ba1\u5e08\u5fc5\u987b\u89e3\u51b3<strong>\u4e24\u4e2a\u95ee\u9898<\/strong>\uff1a<\/p>\n<blockquote><p>\u5206\u533a\u4e24\u4fa7\u7684\u72b6\u6001\u6700\u7ec8\u5fc5\u987b\u4fdd\u6301\u4e00\u81f4<\/p>\n<p>\u5e76\u4e14\u5fc5\u987b\u8865\u507f\u5206\u533a\u671f\u95f4\u4ea7\u751f\u7684\u9519\u8bef<\/p><\/blockquote>\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u5bf9\u4e8e\u5206\u533a\u6062\u590d\u7684\u72b6\u6001S*\u53ef\u4ee5\u901a\u8fc7\u672a\u5206\u533a\u65f6\u7684\u72b6\u6001S\u4e3a\u8d77\u70b9\uff0c\u7136\u540e\u6309\u987a\u5e8f[\u56de\u653e]\u76f8\u5e94\u7684\u53d8\u5316\u4e8b\u4ef6[\u4ee5\u7279\u5b9a\u65b9\u5f0f\u63a8\u8fdb\u5206\u533a\u4e24\u4fa7\u7684\u4e00\u7cfb\u5217\u64cd\u4f5c\uff0c\u5e76\u5728\u8fc7\u7a0b\u4e2d\u4e00\u76f4\u4fdd\u6301\u4e00\u81f4\u7684\u72b6\u6001\u3002<\/p>\n<p>Bayou[link 4]\u5c31\u662f\u8fd9\u4e2a\u5b9e\u73b0\u673a\u5236\uff0c\u5b83\u4f1a\u56de\u6eda\u6570\u636e\u5e93\u5230\u6b63\u786e\u7684\u65f6\u523b\u5e76\u6309\u65e0\u6b67\u4e49\u7684\u3001\u786e\u5b9a\u6027\u7684\u987a\u5e8f\u91cd\u65b0\u6267\u884c\u6240\u6709\u7684\u64cd\u4f5c\uff0c\u6700\u7ec8\u4f7f\u6240\u6709\u7684\u8282\u70b9\u8fbe\u5230\u76f8\u540c\u7684\u72b6\u6001\u3002<\/p>\n<p>\u5bf9\u4e8e\u6709\u51b2\u7a81\u7684\u60c5\u51b5\uff0c\u6bd4\u5982\u7248\u672c\u7ba1\u7406\u8f6f\u4ef6cvs\uff0c\u5b58\u5728\u4eba\u5de5\u4ecb\u5165\u3001\u6d88\u9664\u51b2\u7a81\u7684\u5904\u7406\u7b56\u7565\u3002<\/p>\n<p>3\u3001\u6709\u9650\u5236\u5904\u7406<\/p>\n<p>\u6709\u9650\u5236\u5904\u7406\uff1a[link 2]\u63d0\u7684\u81ea\u52a8\u67dc\u5458\u673a\u8865\u507f\u95ee\u9898\uff0c\u6bd4\u8f83\u5f62\u8c61\u8bf4\u660e\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002\u6b64\u95ee\u9898\u672c\u8d28\u4e0a\u662f\u53ef\u7528\u6027\u548c\u4e00\u81f4\u6027\u7684\u6298\u8877\u5904\u7406\u3002<\/p>\n<p>\u4ee5\u81ea\u52a8\u67dc\u5458\u673a\uff08ATM\uff09\u7684\u8bbe\u8ba1\u6765\u8bf4\uff0c\u5f3a\u4e00\u81f4\u6027\u770b\u4f3c\u7b26\u5408\u903b\u8f91\u7684\u9009\u62e9\uff0c\u4f46\u73b0\u5b9e\u60c5\u51b5\u662f\u53ef\u7528\u6027\u8fdc\u6bd4\u4e00\u81f4\u6027\u91cd\u8981\u3002\u7406\u7531\u5f88\u7b80\u5355\uff1a\u9ad8\u53ef\u7528\u6027\u610f\u5473\u7740\u9ad8\u6536\u5165\u3002<\/p>\n<p>\u4e0d\u7ba1\u600e\u4e48\u6837\uff0c\u8ba8\u8bba\u5982\u4f55\u8865\u507f\u5206\u533a\u671f\u95f4\u88ab\u7834\u574f\u7684\u4e0d\u53d8\u6027\u7ea6\u675f\uff0cATM\u7684\u8bbe\u8ba1\u5f88\u9002\u5408\u4f5c\u4e3a\u4f8b\u5b50\u3002<\/p>\n<p>ATM\u7684\u57fa\u672c\u64cd\u4f5c\u662f\u5b58\u6b3e\u3001\u53d6\u6b3e\u3001\u67e5\u770b\u4f59\u989d\u3002\u5173\u952e\u7684\u4e0d\u53d8\u6027\u7ea6\u675f\u662f\u4f59\u989d\u5e94\u5927\u4e8e\u6216\u7b49\u4e8e\u96f6\u3002\u56e0\u4e3a\u53ea\u6709\u53d6\u6b3e\u64cd\u4f5c\u4f1a\u89e6\u72af\u8fd9\u9879\u4e0d\u53d8\u6027\u7ea6\u675f\uff0c\u4e5f\u5c31\u53ea\u6709\u53d6\u6b3e\u64cd\u4f5c\u5c06\u53d7\u5230\u7279\u522b\u5bf9\u5f85\uff0c\u5176\u4ed6\u4e24\u79cd\u64cd\u4f5c\u968f\u65f6\u90fd\u53ef\u4ee5\u6267\u884c\u3002<\/p>\n<p>ATM\u7cfb\u7edf\u8bbe\u8ba1\u5e08\u53ef\u4ee5\u9009\u62e9\u5728\u5206\u533a\u671f\u95f4\u7981\u6b62\u53d6\u6b3e\u64cd\u4f5c\uff0c\u56e0\u4e3a\u5728\u90a3\u6bb5\u65f6\u95f4\u91cc\u6ca1\u529e\u6cd5\u77e5\u9053\u771f\u5b9e\u7684\u4f59\u989d\uff0c\u5f53\u7136\u8fd9\u6837\u4f1a\u635f\u5bb3\u53ef\u7528\u6027\u3002\u73b0\u4ee3ATM\u7684\u505a\u6cd5\u6b63\u76f8\u53cd\uff0c\u5728stand-in\u6a21\u5f0f\u4e0b\uff08\u5373\u5206\u533a\u6a21\u5f0f\uff09\uff0cATM\u9650\u5236\u51c0\u53d6\u6b3e\u989d\u4e0d\u5f97\u9ad8\u4e8ek\uff0c\u6bd4\u5982k\u4e3a$200\u3002<\/p>\n<blockquote>\n<ul class=\"list-paddingleft-2\">\n<li>\u4f4e\u4e8e\u9650\u989d\u7684\u65f6\u5019\uff0c\u53d6\u6b3e\u5b8c\u5168\u6b63\u5e38\uff1b<\/li>\n<li>\u5f53\u8d85\u8fc7\u9650\u989d\u7684\u65f6\u5019\uff0c\u7cfb\u7edf\u62d2\u7edd\u53d6\u6b3e\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<p>\u8fd9\u6837\uff0cATM\u6210\u529f\u5c06\u53ef\u7528\u6027\u9650\u5236\u5728\u4e00\u4e2a\u5408\u7406\u7684\u6c34\u5e73\u4e0a\uff0c\u65e2\u5141\u8bb8\u53d6\u6b3e\u64cd\u4f5c\uff0c\u53c8\u9650\u5236\u4e86\u98ce\u9669\u3002<\/p>\n<p>\u5206\u533a\u7ed3\u675f\u7684\u65f6\u5019\uff0c\u5fc5\u987b\u6709\u4e00\u4e9b\u63aa\u65bd\u6765\u6062\u590d\u4e00\u81f4\u6027\u548c\u8865\u507f\u5206\u533a\u671f\u95f4\u7cfb\u7edf\u6240\u9020\u6210\u7684\u9519\u8bef\u3002<\/p>\n<p>\u72b6\u6001\u7684\u6062\u590d\u6bd4\u8f83\u7b80\u5355\uff0c\u56e0\u4e3a\u64cd\u4f5c\u90fd\u662f\u7b26\u5408\u4ea4\u6362\u7387\u7684\uff0c\u8865\u507f\u5c31\u8981\u5206\u51e0\u79cd\u60c5\u51b5\u53bb\u8003\u8651\u3002<\/p>\n<blockquote>\n<ul class=\"list-paddingleft-2\">\n<li><strong>\u6700\u540e\u7684\u4f59\u989d\u4f4e\u4e8e\u96f6\u8fdd\u53cd\u4e86\u4e0d\u53d8\u6027\u7ea6\u675f\u3002<\/strong>\u7531\u4e8eATM\u5df2\u7ecf\u628a\u94b1\u5410\u51fa\u53bb\u4e86\uff0c\u9519\u8bef\u6210\u4e86\u5916\u90e8\u5b9e\u5728\u3002\u94f6\u884c\u7684\u8865\u507f\u529e\u6cd5\u662f\u6536\u53d6\u900f\u652f\u8d39\u5e76\u6307\u671b\u987e\u5ba2\u507f\u8fd8\u3002\u56e0\u4e3a\u98ce\u9669\u5df2\u7ecf\u53d7\u5230\u9650\u5236\uff0c\u95ee\u9898\u5e76\u4e0d\u4e25\u91cd\u3002<\/li>\n<li>\u8fd8\u6709\u4e00\u79cd\u60c5\u51b5\u662f<strong>\u5206\u533a\u671f\u95f4\u7684\u67d0\u4e00\u523b\u4f59\u989d\u5df2\u7ecf\u5c0f\u4e8e\u96f6\uff08\u4f46ATM\u4e0d\u77e5\u9053\uff09\uff0c\u6b64\u65f6\u4e00\u7b14\u5b58\u6b3e\u91cd\u65b0\u5c06\u4f59\u989d\u53d8\u4e3a\u6b63\u7684\u3002<\/strong>\u94f6\u884c\u53ef\u4ee5\u8ffd\u6eaf\u4ea7\u751f\u900f\u652f\u8d39\uff0c\u4e5f\u53ef\u4ee5\u56e0\u4e3a\u987e\u5ba2\u5df2\u7ecf\u7f34\u4ed8\u800c\u5ffd\u7565\u8be5\u8fdd\u53cd\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<\/blockquote>\n<p>\u603b\u800c\u8a00\u4e4b\uff0c\u56e0\u4e3a\u901a\u4fe1\u5ef6\u8fdf\u7684\u5b58\u5728\uff0c\u94f6\u884c\u7cfb\u7edf\u4e0d\u4f9d\u9760\u4e00\u81f4\u6027\u6765\u4fdd\u8bc1\u6b63\u786e\u6027\uff0c\u800c\u66f4\u591a\u5730\u4f9d\u9760\u5ba1\u8ba1\u548c\u8865\u507f\u3002<\/p>\n<p>\u201c\u7a7a\u5934\u652f\u7968\u8bc8\u9a97\u201d\u4e5f\u662f\u7c7b\u4f3c\u7684\u4f8b\u5b50\uff0c\u987e\u5ba2\u8d76\u5728\u591a\u5bb6\u5206\u884c\u5bf9\u8d26\u4e4b\u524d\u5206\u522b\u53d6\u51fa\u94b1\u6765\u7136\u540e\u9003\u8dd1\u3002\u900f\u652f\u7684\u9519\u8bef\u8fc7\u540e\u624d\u4f1a\u88ab\u53d1\u73b0\uff0c\u5bf9\u9519\u8bef\u7684\u8865\u507f\u4e5f\u8bb8\u4f53\u73b0\u4e3a\u6cd5\u5f8b\u884c\u52a8\u7684\u5f62\u5f0f\u3002<\/p>\n<p>\u6b64\u524d\uff0c\u4e2d\u884cIBM\u5927\u578b\u673a\u5b95\u673a\uff0c\u7cfb\u7edf\u6ca1\u6709\u7b2c\u4e00\u65f6\u95f4\u5207\u6362\u5230\u70ed\u5907\u6216\u8005\u5f02\u5730\u5bb9\u707e\u4e0a\uff0c\u76f4\u63a5\u5f71\u54cd\u4e2d\u884c\u7684\u4fe1\u7528\u5361\u652f\u4ed8\u76f8\u5173\u4e1a\u52a1\uff0c\u76f4\u52304\u5c0f\u65f6\u4e4b\u540e\u624d\u6062\u590d\u670d\u52a1\u3002<\/p>\n<p>\u6709\u5bf9\u5e94\u7684\u7684\u539f\u56e0\u5305\u62ec\u65e5\u5e38\u6f14\u7ec3\u7b49\u95ee\u9898\uff0c\u7b49\u66f4\u91cd\u8981\u7684\u662f\u5728[\u53ef\u7528\u6027\u548c\u4e00\u81f4\u6027]\u4e4b\u95f4\u9009\u62e9\u4e86\u4e00\u81f4\u6027\uff0c4H\u4e4b\u540e\u63d0\u4f9b\u670d\u52a1\uff0c\u5907\u5e93\u4ecd\u7136\u4e3b\u8981\u8d77\u6570\u636e\u5907\u4efd\u7684\u4f5c\u7528\u3002<\/p>\n<p>\u6709\u9650\u5236\u5904\u7406\u65b9\u6848\u662f\u9700\u8981\u5192\u9669\u6ef4\uff0c\u4e3a\u4e86\u4fdd\u969c\u53ef\u7528\u6027\uff0c\u65e0\u6cd5\u4fdd\u969c\u6570\u636e100%\u7cbe\u786e\uff0c\u53ef\u4ee5\u6298\u8877\u63d0\u4f9b\u90e8\u5206\u6709\u635f\u670d\u52a1\u3002<\/p>\n<p>\u6bd4\u5982\u53d6\u6b3e\u6839\u636e\u4fe1\u7528\u662f\u4e0d\u662f\u80fd\u9650\u5236\u4e00\u5b9a\u91d1\u989d\uff0c\u800c\u5b58\u6b3e\u662fOk\u7684\u7b49\u7b49\u3002\u5927\u989d\u5bf9\u516c\u4e1a\u52a1\u4e5f\u53ef\u4ee5\u91c7\u53d6\u5177\u4f53\u529e\u6cd5\uff0c\u5f53\u7136\u8fd9\u5c06\u5728\u7cbe\u7ec6\u5316\u7ba1\u7406\u670d\u52a1\u80fd\u529b\u53ca\u914d\u5957\u80fd\u529b\u4e0a\u4ed8\u51fa\u66f4\u591a\u7684IT\u6210\u672c\u3002<\/p>\n<p>\u6709\u5173\u4e2d\u884cIBM\u5927\u578b\u673a\u5b95\u673a\u7684\u62a5\u9053link\uff1a<\/p>\n<blockquote><p><a>http:\/\/digi.tech.qq.com\/zt2013\/syibm\/<\/a><\/p>\n<p><a>http:\/\/www.infoq.com\/cn\/news\/2013\/04\/BOC-Downtime\/<\/a><\/p><\/blockquote>\n<h2>\u8d85\u8d8aCAP\uff1f<\/h2>\n<p><strong>Nathan Marz\uff1aHow to beat the CAP theorem<\/strong><\/p>\n<p>2011\u5e7411\u6708Twitter\u7684\u9996\u5e2d\u5de5\u7a0b\u5e08Nathan Marz\u5199\u4e86\u4e00\u7bc7\u6587\u7ae0\uff0c\u63cf\u8ff0\u4e86\u4ed6\u662f\u5982\u4f55\u8bd5\u56fe\u6253\u8d25CAP\u5b9a\u7406\u7684\uff1a <strong>How to beat the CAP theorem<\/strong><\/p>\n<p>\u4f5c\u8005\u8868\u793a\u4e0d\u662f\u8981\u201c\u51fb\u8d25\u201dCAP\uff0c\u800c\u662f\u5c1d\u8bd5\u5bf9\u6570\u636e\u5b58\u50a8\u7cfb\u7edf\u8fdb\u884c\u91cd\u65b0\u8bbe\u8ba1\uff0c\u4ee5\u53ef\u63a7\u7684\u590d\u6742\u5ea6\u6765\u5b9e\u73b0CAP\u3002Marz\u8ba4\u4e3a\u4e00\u4e2a\u5206\u5e03\u5f0f\u7cfb\u7edf\u9762\u4e34CAP\u96be\u9898\u7684\u4e24\u5927\u95ee\u9898\u5c31\u662f\uff1a<\/p>\n<blockquote><p>\u5728\u6570\u636e\u5e93\u4e2d\u5982\u4f55\u4f7f\u7528\u4e0d\u65ad\u53d8\u5316\u7684\u6570\u636e<\/p>\n<p>\u5982\u4f55\u4f7f\u7528\u7b97\u6cd5\u6765\u66f4\u65b0\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e<\/p><\/blockquote>\n<p><strong>Marz\u63d0\u51fa\u4e862\u4e2a\u57fa\u672c\u601d\u8def\uff1a<\/strong><\/p>\n<p><strong>1\u3001\u6570\u636e\u4e0d\u5b58\u5728update\uff0c\u53ea\u5b58\u5728append\u64cd\u4f5c\u3002<\/strong>\u8fd9\u6837\u5c31\u628a\u5bf9\u6570\u636e\u7684\u5904\u7406\u7531CRUD\u53d8\u4e3aCR\uff1b\u540c\u6837\u7684\uff0cdelete\u64cd\u4f5c\u4e5f\u53ef\u4ee5\u5904\u7406\u4e3aadd\u4e00\u6761\u65b0\u8bb0\u5f55\u3002<\/p>\n<p>\u6bd4\u5982 \u53cb\u5f3a\u53d6\u6d88\u4e86\u5bf9\u5c71\u4e18\u7684\u5173\u6ce8\uff0c\u4f20\u7edf\u5173\u7cfb\u578b\u6570\u636e\u5e93\u662f\u5728\u5173\u7cfb\u8868\u5220\u9664\u4e00\u6761\u8bb0\u5f55\uff0c\u800cMarz\u4e5f\u53ef\u4ee5\u65b0\u589e\u4e00\u6761\u5173\u7cfb\u4e3a[\u53d6\u6d88]\u7684\u8bb0\u5f55\u3002<\/p>\n<p><strong>2\u3001\u6240\u6709\u7684\u6570\u636e\u7684\u64cd\u4f5c\u5c31\u53ea\u5269\u4e0bCreate\u548cRead\u3002<\/strong>\u628aRead\u4f5c\u4e3a\u4e00\u4e2aQuery\u6765\u5904\u7406\uff0c\u800c\u4e00\u4e2aQuery\u5c31\u662f\u4e00\u4e2a\u5bf9\u6574\u4e2a\u6570\u636e\u96c6\u6267\u884c\u4e00\u4e2a\u51fd\u6570\u64cd\u4f5c\u3002<\/p>\n<p>\u603b\u7ed3\uff0c\u5728\u6709\u4e00\u5b9a\u65f6\u5e8f\u6027\uff0c\u4e14\u5bf9\u5b9e\u65f6\u4e00\u81f4\u6027\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u666f\u4e0b\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\uff0c\u6bd5\u7adf\u5728\u95ee\u9898\u89e3\u51b3\u57df\u591a\u4e86\u4e00\u628a\u9524\u5b50\u3002Query\u8fc7\u7a0b\u4e2d\u7684\u8de8\u5206\u533a\u51fd\u6570\u4ecd\u7136\u662f\u4e00\u79cd\u5408\u5e76\u7684\u53d8\u79cd\uff08Merge\uff09\uff01<\/p>\n<h4>OceanBase\u7684\u53e6\u7c7b\u4e4b\u8def<\/h4>\n<p>\u65e2\u7136\u66f4\u65b0\u6570\u636e\u6d89\u53ca\u5230\u5206\u533a\u95ee\u9898\uff0c\u90a3\u4e48\u80fd\u4e0d\u80fd\u628a\u66f4\u65b0\u653e\u5230\u4e00\u4e2a\u670d\u52a1\u5668\u5462[\u8111\u6d1e\u5927\u5f00]\uff1f\u7136\u540e\u901a\u8fc7\u5f3a\u5927\u7684\u8f6f\u4ef6+\u786c\u4ef6\u80fd\u529b\u4e00\u8d77\u53bb\u4fdd\u969c\u5b83\uff01\u540c\u65f6\u5df2\u7ecf\u4e0d\u4fee\u6539\u7684\u6570\u636e\u5929\u7136\u5177\u5907\u53ef\u6269\u5c55\u6027\uff01\u8fd9\u662f\u6211\u7c97\u66b4\u7406\u89e3OceanBase\u7684\u57fa\u672c\u8bbe\u8ba1\u601d\u60f3\u3002<\/p>\n<blockquote><p>link<a>5<\/a> \u5199\u9053\uff1a\u4f5c\u4e3a\u7535\u5b50\u5546\u52a1\u4f01\u4e1a\uff0c\u6dd8\u5b9d\u548c\u5176\u4ed6\u516c\u53f8\u7684\u4e1a\u52a1\u5bf9\u4e00\u81f4\u6027\u548c\u53ef\u7528\u6027\u7684\u8981\u6c42\u9ad8\u4e8e\u5206\u533a\u5bb9\u9519\u6027\uff0c\u6570\u636e\u7279\u5f81\u662f\u6570\u636e\u603b\u91cf\u5e9e\u5927\u4e14\u9010\u6b65\u589e\u52a0\uff0c\u5355\u4f4d\u65f6\u95f4\u5185\u7684\u6570\u636e\u66f4\u65b0\u91cf\u5e76\u4e0d\u5927\uff0c\u4f46\u5b9e\u65f6\u6027\u8981\u6c42\u5f88\u9ad8\u3002<\/p>\n<p>\u8fd9\u5c31\u8981\u6c42\u6211\u4eec\u63d0\u4f9b\u4e00\u5957\u66f4\u52a0\u504f\u91cd\u4e8e\u652f\u6301CA\u7279\u6027\u7684\u7cfb\u7edf\uff0c\u540c\u65f6\u517c\u987e\u53ef\u5206\u533a\u6027\uff0c\u5e76\u4e14\u5728\u5b9e\u65f6\u6027\u3001\u6210\u672c\u3001\u6027\u80fd\u7b49\u65b9\u9762\u8868\u73b0\u826f\u597d\u3002<\/p><\/blockquote>\n<p><strong>OceanBase\u7684\u903b\u8f91\u67b6\u6784\u7b80\u56fe<\/strong><\/p>\n<p><a href=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/5.png\" rel=\"attachment wp-att-885\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-885\" src=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/5.png\" alt=\"5\" width=\"608\" height=\"292\" srcset=\"https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/5.png 608w, https:\/\/yanjingang.com\/blog\/wp-content\/uploads\/2016\/07\/5-300x144.png 300w\" sizes=\"(max-width: 608px) 100vw, 608px\" \/><\/a><\/p>\n<h4>\u5173\u4e8eUpdateServer\u7684\u6027\u80fd\u95ee\u9898<\/h4>\n<p>\u5176\u5b9e\u5927\u90e8\u5206\u6570\u636e\u5e93\u6bcf\u5929\u7684\u4fee\u6539\u6b21\u6570\u76f8\u5f53\u6709\u9650\uff0c\u53ea\u6709\u5c11\u6570\u4fee\u6539\u6bd4\u8f83\u9891\u7e41\u7684\u6570\u636e\u5e93\u624d\u6709\u6bcf\u5929\u51e0\u4ebf\u6b21\u7684\u4fee\u6539\u6b21\u6570\u3002\u53e6\u5916\uff0c\u6570\u636e\u5e93\u5e73\u5747\u6bcf\u6b21\u4fee\u6539\u6d89\u53ca\u7684\u6570\u636e\u91cf\u5f88\u5c11\uff0c\u5f88\u591a\u65f6\u5019\u53ea\u6709\u51e0\u5341\u4e2a\u5b57\u8282\u5230\u51e0\u767e\u4e2a\u5b57\u8282\u3002<\/p>\n<p>\u5047\u8bbe\u6570\u636e\u5e93\u6bcf\u5929\u66f4\u65b01\u4ebf\u6b21\uff0c\u5e73\u5747\u6bcf\u6b21\u9700\u8981\u6d88\u8017100\u5b57\u8282\uff0c\u6bcf\u5929\u63d2\u51651000\u4e07\u6b21\uff0c\u5e73\u5747\u6bcf\u6b21\u9700\u8981\u6d88\u80171000\u5b57\u8282\uff0c\u90a3\u4e48\uff0c\u4e00\u5929\u7684\u4fee\u6539\u91cf\u4e3a\uff1a1\u4ebf <em> 100 + 1000\u4e07 <\/em> 1000 = 20GB\uff0c\u5982\u679c\u5185\u5b58\u6570\u636e\u7ed3\u6784\u81a8\u80c02\u500d\uff0c\u5360\u7528\u5185\u5b58\u53ea\u670940GB\u3002<\/p>\n<p>\u800c\u5f53\u524d\u4e3b\u6d41\u7684\u670d\u52a1\u5668\u90fd\u53ef\u4ee5\u914d\u7f6e96GB\u5185\u5b58\uff0c\u4e00\u4e9b\u9ad8\u6863\u7684\u670d\u52a1\u5668\u751a\u81f3\u53ef\u4ee5\u914d\u7f6e192GB\u3001384GB\u4e43\u81f3\u66f4\u591a\u5185\u5b58\u3002<\/p>\n<h4>TiDB<\/h4>\n<p>TiDB \u662f\u56fd\u5185 PingCAP \u56e2\u961f\u5f00\u53d1\u7684\u4e00\u4e2a\u5206\u5e03\u5f0f SQL \u6570\u636e\u5e93\u3002\u5176\u7075\u611f\u6765\u81ea\u4e8e Google \u7684 F1, TiDB \u652f\u6301\u5305\u62ec\u4f20\u7edf RDBMS \u548c NoSQL \u7684\u7279\u6027\u3002<\/p>\n<p>\u4ece\u4e0b\u9762\u8fd9\u7bc7\u8bbf\u8c08\u6765\u770b\uff0c\u5206\u5e03\u5f0f\u4e8b\u52a1\u65e9\u671f\u7248\u672c\u4e2d\uff0c\u4ed6\u4eec\u53c2\u8003\u7684\u662f Google \u7684 Percolator \u7684\u6a21\u578b\u3002\u7531\u4e8e\u8be5\u9879\u76ee\u8fd8\u672a\u5728\u7ebf\u4e0a\u4ea7\u54c1\u4f7f\u7528\uff0c\u5c31\u4e0d\u5177\u4f53\u5c55\u5f00\u4e86\uff0c\u6709\u5174\u8da3\u7684\u670b\u53cb\u53c2\u8003\u4e0b\u9762\u7684link<a>6<\/a>\u3002<\/p>\n<blockquote><p><a>1<\/a> link\uff1a<a>http:\/\/www.cs.berkeley.edu\/~brewer\/cs262b-2004\/PODC-keynote.pdf<\/a><\/p>\n<p><a>2<\/a> link\uff1a<a>http:\/\/www.infoq.com\/cn\/articles\/cap-twelve-years-later-how-the-rules-have-changed\/<\/a><\/p>\n<p><a>3<\/a> link\uff1a<a>https:\/\/github.com\/basho\/riak_dt<\/a><\/p>\n<p><a>4<\/a> link\uff1a<a>http:\/\/www.cs.berkeley.edu\/~brewer\/cs262b\/update-conflicts.pdf<\/a><\/p>\n<p><a>5<\/a> link\uff1a<a>http:\/\/code.taobao.org\/p\/OceanBase\/wiki\/intro\/<\/a><\/p>\n<p><a>6<\/a> link\uff1a<a>http:\/\/mt.sohu.com\/20160122\/n435472384.shtml<\/a><\/p><\/blockquote>\n<h2>\u603b\u7ed3\uff1a<\/h2>\n<p>CAP\u662f\u5206\u5e03\u5f0f\u9886\u57df\u7684\u91cd\u8981\u7406\u8bba\uff0c\u4f46\u4e0d\u4ee3\u8868\u5b8c\u5168\u4e0d\u80fd\u6709\u5ef6\u5c55\u7684\u89e3\u8bfb\u548c\u601d\u8003\u3002\u53e6\u5916[\u4e09\u9009\u4e8c]\u672c\u8eab\u4e5f\u662f\u6709\u6761\u4ef6\u6210\u7acb\u7684\uff0c\u4e0d\u80fd\u7b80\u5355\u8bef\u8bfb\uff0c\u4e00\u5207\u53d6\u51b3\u4e8e\u5e94\u7528\u573a\u666f\u3002\u5982\u679c\u4e0d\u52a0\u9009\u62e9\u6309\u7167\u7406\u8bba\u5f62\u5f0f\u65e0\u5f02\u4e8e\u523b\u821f\u6c42\u5251\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #999999;\">\u4f5c\u8005\uff1a\u4e8e\u541b\u6cfd\uff0c\u8682\u8681\u91d1\u670d\u9ad8\u7ea7\u6280\u672f\u4e13\u5bb6\u3001\u652f\u4ed8\u6838\u7b97\u6280\u672f\u90e8\u8d1f\u8d23\u4eba\uff0c\u5173\u6ce8\u65b9\u5411\uff1a\u9ad8\u5e76\u53d1\u3001\u5206\u5e03\u5f0f\u7cfb\u7edf\u3001\u7a33\u5b9a\u6027\u6a21\u5f0f\uff1b\u5185\u5efa\u8d28\u91cf\u3001\u6280\u672f\u578b\u7ba1\u7406\u3002<\/span><\/p>\n<p><span style=\"color: #999999;\">\u6458\u81ea\uff1ahttps:\/\/mp.weixin.qq.com\/s?__biz=MzA4Nzg5Nzc5OA==&amp;mid=2651660931&amp;idx=1&amp;sn=93cccfdcc5a474e92ffd673e7cd115ce&amp;scene=0&amp;key=77421cf58af4a65326f9f915849643f2e925037bf94f2bc7a4e46c875cdd89e9277807e12c2ceae05e5a991879bb538d&amp;ascene=0&amp;uin=Mjk1ODMyNTYyMg%3D%3D&amp;devicetype=iMac+MacBookPro11%2C4+OSX+OSX+10.11.5+build(15F34)&amp;version=11020201&amp;pass_ticket=Xj5gTEleI8UL7wuZjEmaeOk1k%2BgtmTMDmWMhC%2Fzjcr6WfwlqgyWnDoZE5WkKImIg<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CAP\u662f\u4ec0\u4e48\uff1f CAP\u7406\u8bba\uff0c\u88ab\u620f\u79f0\u4e3a[\u5e3d\u5b50\u7406\u8bba]\u3002CAP\u7406\u8bba\u7531Eric Brewer\u5728ACM\u7814\u8ba8\u4f1a\u4e0a\u63d0\u51fa\uff0c\u800c\u540e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[104,124],"tags":[403,404],"_links":{"self":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/876"}],"collection":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=876"}],"version-history":[{"count":0,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/876\/revisions"}],"wp:attachment":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=876"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}