{"id":10020926,"date":"2025-07-30T20:50:41","date_gmt":"2025-07-30T12:50:41","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020926"},"modified":"2025-07-30T20:50:41","modified_gmt":"2025-07-30T12:50:41","slug":"%e5%ae%89%e5%85%a8%e5%8f%af%e9%9d%a0%e7%9a%84polardb-v2-0-%ef%bc%88%e5%85%bc%e5%ae%b9mysql%ef%bc%89%e4%ba%a7%e5%93%81%e8%83%bd%e5%8a%9b%e5%8f%8a%e5%ba%94%e7%94%a8%e5%9c%ba%e6%99%af","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020926","title":{"rendered":"\u5b89\u5168\u53ef\u9760\u7684PolarDB V2.0 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\/><img loading=\"lazy\" decoding=\"async\" width=\"723\" height=\"281\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVdlI2b\" alt=\"image.png\" title=\"image.png\"><br \/><strong>PolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u4ea7\u54c1\u80fd\u529b\uff1a<\/strong><\/p>\n<table>\n<thead>\n<tr>\n<th>\u4ea7\u54c1\u7cfb\u5217<\/th>\n<th>\u5f62\u6001<\/th>\n<th>PolarDB-X\u6807\u51c6\u7248\uff08\u96c6\u4e2d\u5f0f\uff09<\/th>\n<th>PolarDB-X\u4f01\u4e1a\u7248\uff08\u5206\u5e03\u5f0f\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u57fa\u7840\u7248\uff08\u88f8\u8fdb\u7a0b\uff09<\/td>\n<td>\u7eaf\u5185\u6838\u5f62\u6001\uff08RPM\uff09<\/td>\n<td>\u652f\u6301<\/td>\n<td>\u4e0d\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u9ad8\u7ea7\u7248\uff08\u5e26\u7ba1\u63a7\uff09<\/td>\n<td>\u8f6f\u4ef6\u6808\u5f62\u6001\uff08MyBase One\uff09<\/td>\n<td>\u652f\u6301<\/td>\n<td>\u652f\u6301<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u4ea7\u54c1\u7279\u6027<\/h2>\n<p>PolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u575a\u5b9a\u9075\u5faa\u81ea\u4e3b\u53ef\u63a7\u3001\u5f00\u653e\u751f\u6001\u7684\u53d1\u5c55\u601d\u8def\uff0c\u6301\u7eed\u56f4\u7ed5MySQL\u5f00\u6e90\u751f\u6001\u6784\u5efa\u5206\u5e03\u5f0f\u80fd\u529b\uff0c\u4ee5\u6c42\u6700\u5927\u7a0b\u5ea6\u964d\u4f4e\u7528\u6237\u7684\u5b66\u4e60\u4f7f\u7528\u6210\u672c\u3002\u5168\u9762\u517c\u5bb9MySQL\u5f00\u6e90\u751f\u6001\uff0c\u4eceSQL\u8bed\u6cd5\u3001\u4e8b\u52a1\u884c\u4e3a\u3001\u751f\u6001\u5de5\u5177\u7b49\u591a\u4e2a\u7ef4\u5ea6\u90fd\u505a\u4e86\u6df1\u5ea6\u517c\u5bb9\uff0c\u5e94\u7528\u53ea\u9700\u8981\u4fee\u6539\u5f88\u5c11\u91cf\u7684\u4ee3\u7801\u5373\u53ef\u4ece\u5355\u673aMySQL\u8fc1\u79fb\u5230PolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u3002<br \/><strong>\u91d1\u878d\u7ea7\u9ad8\u53ef\u7528\uff08RPO=0\uff09<\/strong><\/p>\n<ul>\n<li>PolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u4f7f\u7528\u81ea\u7814\u9ad8\u53ef\u7528Paxos\u591a\u6570\u6d3e\u5171\u8bc6\u7b97\u6cd5\uff08\u6bcf\u6b21\u5199\u5165\u90fd\u8981\u83b7\u5f97\u8d85\u8fc7\u534a\u6570\u8282\u70b9\u7684\u786e\u8ba4\uff0c\u5373\u4fbf\u5176\u4e2d1\u4e2a\u8282\u70b9\u5b95\u673a\uff0c\u96c6\u7fa4\u4e5f\u4ecd\u7136\u80fd\u6b63\u5e38\u63d0\u4f9b\u670d\u52a1\uff09\uff0c\u6ee1\u8db3RPO=0\uff0cRTO\uff1c10\u79d2\u3002<\/li>\n<li>PolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u63d0\u4f9b\u591a\u79cd\u9ad8\u53ef\u7528\u5f62\u6001\uff0c\u4f8b\u5982\u540c\u57ce\u5355\u673a\u623f3\u526f\u672c\u3001\u540c\u57ce\u4e09\u673a\u623f3\u526f\u672c\u3001\u4e24\u5730\u4e09\u4e2d\u5fc35\u526f\u672c\uff0c\u6ee1\u8db3\u91d1\u878d\u7ea7\u9ad8\u53ef\u7528\u3002<br \/><strong>\u900f\u660e\u5206\u5e03\u5f0f<\/strong><br \/>PolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u63d0\u4f9b\u7b80\u5355\u6613\u7528\u7684\u900f\u660e\u5206\u5e03\u5f0f\u80fd\u529b\uff1a<\/li>\n<li>\u9ed8\u8ba4\u4e3b\u952e\u62c6\u5206\uff0c\u8ba9\u79fb\u690d\u5230PolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u7684\u6570\u636e\u548c\u4e1a\u52a1\u6446\u8131\u5bf9\u8bbe\u8ba1&#8221;\u5206\u533a\u952e&#8221;\u7684\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n<blockquote>\n<p>\u8bf4\u660e<\/p>\n<blockquote><p>\u9ed8\u8ba4\u4e3b\u952e\u62c6\u5206\u529f\u80fd\u53ef\u4ee5\u7b80\u5316\u6570\u636e\u8fc1\u79fb\u8fc7\u7a0b\uff0c\u4f46\u4ecd\u9700\u6839\u636e\u4e1a\u52a1\u7279\u70b9\u5408\u7406\u8bbe\u8ba1\u4e3b\u952e\uff0c\u4ee5\u907f\u514d\u6027\u80fd\u74f6\u9888\u3002<\/p><\/blockquote>\n<\/blockquote>\n<ul>\n<li>PolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u91c7\u7528\u81ea\u7814\u7684X-Paxos\u534f\u8bae\uff0c\u786e\u4fdd\u5728\u6545\u969c\u5207\u6362\u8fc7\u7a0b\u4e2d\u6570\u636e\u5b58\u50a8\u7684RPO=0\u3002\u540c\u65f6\uff0c\u901a\u8fc7TSO\u7b56\u7565\u548c\u5206\u5e03\u5f0fMVCC\u80fd\u529b\uff0c\u4fdd\u8bc1\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u9694\u79bb\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\n<li>\u5206\u5e03\u5f0f\u7ebf\u6027\u6269\u5c55\uff0cPolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u57fa\u4e8e\u4e00\u81f4\u6027Hash\u7684\u5206\u533a\u7b56\u7565\u6709\u6548\u5730\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\u548c\u70ed\u70b9\u6291\u5236\uff0c\u4e14\u5728\u6269\u5c55\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u8ba1\u7b97\u4e0b\u63a8\u548c\u6570\u636e\u4e00\u81f4\u6027\u7684\u540c\u65f6\u5b9e\u73b0\u4e1a\u52a1\u96f6\u611f\u77e5\u3002\u5e76\u884c\u548c\u6d41\u63a7\u80fd\u529b\u4e3a\u6269\u5c55\u671f\u95f4\u4e1a\u52a1\u8fde\u7eed\u6027\u63d0\u4f9b\u4e86\u6709\u529b\u4fdd\u969c\u3002<\/li>\n<li>\u5168\u5c40Binlog\u548c\u5168\u5c40\u4e00\u81f4\u6027\u5907\u4efd\uff0c\u5206\u522b\u89e3\u51b3\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u5404\u8282\u70b9\u6570\u636e\u5e93\u5411\u4e0b\u6e38\u6d41\u8f6c\u7684\u96be\u9898\uff0c\u4ee5\u53ca\u5404\u8282\u70b9\u5907\u4efd\u65f6\u95f4\u5dee\u9020\u6210\u7684\u6062\u590d\u4e00\u81f4\u6027\u95ee\u9898\u3002<\/li>\n<\/ul>\n<p><strong>\u96c6\u4e2d\u5f0f\u548c\u5206\u5e03\u5f0f\u4e00\u4f53\u5316<\/strong><\/p>\n<ul>\n<li>PolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u63d0\u4f9b100%\u517c\u5bb9\u539f\u751fMySQL\u7684\u6807\u51c6\u7248\uff0c\u548c\u9ad8\u5ea6\u517c\u5bb9\u539f\u751fMySQL\u7684\u4f01\u4e1a\u7248\uff0c\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1MySQL\u517c\u5bb9\u6027\u3002<\/li>\n<li>\u4e1a\u52a1\u589e\u957f\u5230\u9700\u8981\u5206\u5e03\u5f0f\u6269\u5c55\u65f6\uff0c\u6807\u51c6\u7248\u53ef\u4ee5\u539f\u5730\u5347\u7ea7\uff08\u65e0\u635f\uff09\u4e3a\u4f01\u4e1a\u7248\u5347\u7ea7\u540e\u5206\u5e03\u5f0f\u7ec4\u4ef6\u53ef\u4ee5\u65e0\u7f1d\u5bf9\u63a5\u5230\u539f\u6709\u7684\u6570\u636e\u8282\u70b9\u4e0a\u8fdb\u884c\u6269\u5c55\uff0c\u65e0\u9700\u6570\u636e\u8fc1\u79fb\u4ee5\u53ca\u5e94\u7528\u4fa7\u505a\u6539\u9020\u3002<\/li>\n<li>\u5185\u6838\u4e00\u4f53\u5316\uff0c\u5229\u7528\u5206\u5e03\u5f0f\u6280\u672f\u4f18\u5316\u96c6\u4e2d\u5f0f\u3002<\/li>\n<\/ul>\n<p><strong>\u5b89\u5168\u4e0e\u7a33\u5b9a<\/strong><\/p>\n<ul>\n<li>PolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u901a\u8fc7\u591a\u9879\u56fd\u5bb6\u7ea7\u522b\u7684\u5b89\u5168\u8ba4\u8bc1\uff0c\u5728\u5b89\u5168\u5c5e\u6027\u8f83\u9ad8\u7684\u884c\u4e1a\uff0c\u4f8b\u5982\uff1a\u91d1\u878d\u3001\u8fd0\u8425\u5546\u7b49\u884c\u4e1a\u7684\u6838\u5fc3\u7cfb\u7edf\uff0c\u6709\u6bd4\u8f83\u591a\u7684\u4ea4\u4ed8\u6210\u529f\u6848\u4f8b\u3002<\/li>\n<li>\u5728\u6570\u636e\u5e93\u5b89\u5168\u65b9\u9762\uff0cPolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u63d0\u4f9b\u5168\u65b9\u4f4d\u7684\u5b89\u5168\u9632\u62a4\uff0c\u4f8b\u5982\uff1aIP\u767d\u540d\u5355\/SSL\u52a0\u5bc6\u3001TDE\u843d\u76d8\u52a0\u5bc6\u3001\u5907\u4efd\u52a0\u5bc6\u3001\u5168\u5bc6\u6001\u3001\u5168\u91cfSQL\u5ba1\u8ba1\u548c\u94fe\u8def\u8ddf\u8e2a\u3001\u4e09\u6743\u5206\u7acb\u548c\u6807\u7b7e\u6743\u9650\u7b49\u3002<\/li>\n<li>PolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u63d0\u4f9b\u91d1\u878d\u7ea7\u7684\u9ad8\u53ef\u7528\u5bb9\u707e\u80fd\u529b\uff0c\u786e\u4fddRPO=0\uff0c\u63d0\u4f9b\u4e24\u5730\u4e09\u4e2d\u5fc3\u67b6\u6784\u5f62\u6001\uff0c\u53ef\u4ee5\u6ee1\u8db3\u91d1\u878d\u884c\u4e1a\u7684\u4e94\u7ea7\u5bb9\u707e\u8981\u6c42\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f<\/h2>\n<h3><strong>\u9ad8\u8d1f\u8f7d\u4f4e\u5ef6\u65f6\u4ea4\u6613<\/strong><\/h3>\n<p>\u4ea4\u6613\u573a\u666f\u5e7f\u6cdb\u5b58\u5728\u4e8e\u4e92\u8054\u7f51\u4e1a\u52a1\u7cfb\u7edf\u4e2d\uff0c\u662f\u4fe1\u606f\u7cfb\u7edf\u4e2d\u6700\u6838\u5fc3\u7684\u7ec4\u4ef6\u4e4b\u4e00\u3002\u4e1a\u52a1\u8fde\u7eed\u6027\u3001\u4e8b\u52a1\u4e00\u81f4\u6027\u548c\u7cfb\u7edf\u5b89\u5168\u6027\u662f\u4ea4\u6613\u7cfb\u7edf\u6b63\u5e38\u8fd0\u884c\u7684\u57fa\u7840\uff0c\u957f\u65f6\u95f4\u9ad8\u8d1f\u8f7d\u4f4e\u5ef6\u65f6\u7684\u8fd0\u884c\u662f\u4e92\u8054\u7f51\u65f6\u4ee3\u4ea4\u6613\u7cfb\u7edf\u7684\u53d1\u5c55\u65b9\u5411\u3002<\/p>\n<h3><strong>\u6570\u636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<a href=\"https:\/\/link.segmentfault.com\/?enc=CeSpx4HeukgBupdZs%2FhWIw%3D%3D.jrMKr%2BjnIsNwXa4eUXy5o1uXVe1AlClW%2BULlIU30ysuFFWBve8zx2jEuxGpA8M1y\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/developer.aliyun.com\/ebook\/8424<\/a><br \/>PolarDBV2.0\u672c\u5730\u90e8\u7f72\u8f7b\u91cf\u7248\u54a8\u8be2\u4e13\u5bb6\u7533\u8bf7\u8bd5\u7528\uff1a<a href=\"https:\/\/link.segmentfault.com\/?enc=T0bv3vS9k3Ng5x0yCpMcEg%3D%3D.BGnBbZAARXxaGggx5kISE6NeFmEgYYcJy45A0n51QcWVmTMiqKx%2BRO6hiGUTkiu62TZ5zn77Vsdcd5SO2VN%2B%2Bw%3D%3D\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\/\/survey.aliyun.com\/apps\/zhiliao\/OTzaMjIO9<\/a><\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000047084739\">https:\/\/segmentfault.com\/a\/1190000047084739<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>PolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u91c7\u7528\u8f6f\u4ef6\u8f93\u51fa\u65b9\u5f0f\uff0c\u80fd\u591f\u90e8\u7f72\u5728\u60a8\u7684\u81ea\u4e3b\u73af\u5883\u4e2d\u3002PolarDB\u5206\u5e03\u5f0f\u8f7b\u91cf\u7248\u4fdd\u7559\u5e76\u627f\u8f7d\u4e86\u4e91 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10020926","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020926","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10020926"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020926\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10020926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10020926"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10020926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}