{"id":10006912,"date":"2022-11-25T11:45:30","date_gmt":"2022-11-25T03:45:30","guid":{"rendered":"https:\/\/ityet.com\/?p=10006912"},"modified":"2022-11-25T11:45:30","modified_gmt":"2022-11-25T03:45:30","slug":"%e5%a5%bd%e5%a5%bd%e7%9a%84%e7%b3%bb%e7%bb%9f%ef%bc%8c%e4%b8%ba%e4%bb%80%e4%b9%88%e8%a6%81%e5%88%86%e5%ba%93%e5%88%86%e8%a1%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006912","title":{"rendered":"\u597d\u597d\u7684\u7cfb\u7edf\uff0c\u4e3a\u4ec0\u4e48\u8981\u5206\u5e93\u5206\u8868\uff1f"},"content":{"rendered":"<p><strong>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u5c0f\u5bcc\uff5e<\/strong><\/p>\n<h2>\u8bf4\u5728\u524d\u8fb9<\/h2>\n<p>\u4eca\u5929\u662f\u300a\u5206\u5e93\u5206\u8868 ShardingSphere \u539f\u7406\u4e0e\u5b9e\u6218\u300b\u7cfb\u5217\u7684\u5f00\u7bc7\u6587\u7ae0\uff0c\u4e4b\u524d\u5199\u8fc7\u51e0\u7bc7\u5173\u4e8e\u5206\u5e93\u5206\u8868\u7684\u6587\u7ae0\u53cd\u54cd\u90fd\u8fd8\u4e0d\u9519\uff0c\u5230\u73b0\u5728<code>\u516c\u4f17\u53f7:\u7a0b\u5e8f\u5458\u5c0f\u5bcc<\/code>\u540e\u53f0\u4e0d\u65ad\u7684\u6709\u4eba\u7559\u8a00\u3001\u54a8\u8be2\u5206\u5e93\u5206\u8868\u7684\u95ee\u9898\uff0c\u6211\u4e5f\u6ca1\u60f3\u5230\u5927\u5bb6\u5bf9\u4e8e\u5206\u5e93\u5206\u8868\u7684\u8bdd\u9898\u4f1a\u8fd9\u4e48\u611f\u5174\u8da3\uff0c\u53ef\u80fd\u5f88\u591a\u4eba\u7684\u5de5\u4f5c\u5185\u5bb9\u4e1a\u52a1\u91cf\u8f83\u5c0f\u5f88\u96be\u63a5\u89e6\u5230\u8fd9\u65b9\u9762\u7684\u6280\u80fd\u3002\u8fd9\u4e2a\u7cfb\u5217\u5728\u6211\u8111\u5b50\u91cc\u7b79\u5212\u4e86\u633a\u4e45\u7684\uff0c\u5948\u4f55\u624b\u8bf4\u5565\u4e5f\u4e0d\u5e72\u6d3b\uff0c\u5c31\u4e00\u76f4\u62d6\u5230\u4e86\u73b0\u5728\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897644\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5176\u5b9e\u7f51\u4e0a\u5173\u4e8e\u5206\u5e93\u5206\u8868\u76f8\u5173\u7684\u6587\u7ae0\u5f88\u591a\uff0c\u4f46\u6211\u8fd8\u662f\u575a\u6301\u51fa\u8fd9\u4e2a\u7cfb\u5217\uff0c\u4e3b\u8981\u662f\u81ea\u5df1\u5b66\u4e60\u7814\u7a76\uff0c\u987a\u4fbf\u7ed9\u5206\u4eab\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u77e5\u8bc6\uff0c\u4e0d\u540c\u7684\u4eba\u4ece\u4e0d\u540c\u7684\u89d2\u5ea6\u7406\u89e3\u7684\u4e0d\u5c3d\u76f8\u540c\u3002<\/p>\n<p>\u7f51\u4e0a\u7684\u8d44\u6599\u770b\u4f3c\u5f88\u591a\uff0c\u4e0d\u8fc7\u503c\u5f97\u5b66\u6709\u4ef7\u503c\u7684\u5f97\u4ed4\u7ec6\u6311\uff0c\u5f88\u591a\u65f6\u5019\u5728\u7b5b\u9009\u7504\u522b\u7684\u8fc7\u7a0b\u4e2d\uff0c\u9010\u6e10\u7684\u78e8\u706d\u4e86\u672c\u5c31\u4e0d\u9ad8\u7684\u5b66\u4e60\u70ed\u60c5\u3002\u642c\u8fd0\u6284\u88ad\u96f7\u540c\u7684\u4e1c\u897f\u592a\u591a\uff0c\u800c\u4e14\u77e5\u8bc6\u70b9\u53c8\u90fd\u6bd4\u8f83\u96f6\u788e\uff0c\u5f88\u5c11\u6709\u7ec6\u81f4\u7684\u539f\u7406\u5b9e\u6218\u6848\u4f8b\u3002\u5bf9\u65b0\u624b\u6765\u8bf4\u59a5\u59a5\u7684\u4ece\u5165\u95e8\u5230\u653e\u5f03\uff0c\u5373\u4fbf\u6709\u6210\u4f53\u7cfb\u7684\u57fa\u672c\u4e0a\u51e0\u7bc7\u540e\u5c31\u65ad\u66f4\u4e86\uff08\u5e0c\u671b\u6211\u4e0d\u4f1a\u5427\uff01\uff09\u3002<\/p>\n<p>\u6211\u4e0d\u592a\u559c\u6b22\u5806\u780c\u540d\u8bcd\u6982\u5ff5\uff0c\u719f\u6089\u6211\u7684\u670b\u53cb\u4e0d\u96be\u53d1\u73b0\uff0c\u6211\u7684\u6587\u7ae0\u4ece\u6765\u90fd\u662f\u8bb2\u5b8c\u539f\u7406\u7d27\u8ddf\u7740\u6765\u4e00\u6ce2\u5b9e\u6218\u64cd\u4f5c\u3002\u5b66\u4e60\u6280\u672f\u539f\u7406\u5fc5\u987b\u914d\u5408\u5b9e\u64cd\u5de9\u56fa\u4e00\u4e0b\uff0c\u4e0d\u7136\u4e09\u5929\u534a\u4e0d\u5230\u5fd8\u5f97\u5e72\u5e72\u51c0\u51c0\uff0c\u7eaf\u7eaf\u7684\u7ecf\u9a8c\u4e4b\u8c08\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897645\" alt=\"ShardingSphere\u77e5\u8bc6\u70b9\u68b3\u7406\" title=\"ShardingSphere\u77e5\u8bc6\u70b9\u68b3\u7406\" loading=\"lazy\"><\/p>\n<p>\u4e0a\u56fe\u662f\u6211\u521d\u6b65\u7f57\u5217\u7684<code>ShardingSphere<\/code>\u63d0\u7eb2\uff0c\u5728\u5b98\u7f51\u6587\u6863\u57fa\u7840\u4e0a\u8865\u5145\u4e86\u5f88\u591a\u57fa\u7840\u77e5\u8bc6\uff0c\u8fd9\u4e2a\u7cfb\u5217\u4f1a\u7528\u51e0\u5341\u7bc7\u6587\u7ae0\uff0c\u8be6\u7ec6\u7684\u68b3\u7406\u5206\u5e93\u5206\u8868\u57fa\u7840\u7406\u8bba\uff0c\u624b\u628a\u624b\u7684\u5b9e\u6218<code>ShardingSphere 5.X<\/code>\u6846\u67b6\u7684\u529f\u80fd\u548c\u89e3\u8bfb\u6e90\u7801\uff0c\u4ee5\u53ca\u5f00\u53d1\u4e2d\u5bb9\u6613\u8e29\u5751\u7684\u70b9\uff0c\u6bcf\u7bc7\u9644\u5e26\u4ee3\u7801\u6848\u4f8bdemo\uff0c\u65e8\u5728\u8ba9\u65b0\u624b\u4e5f\u80fd\u770b\u7684\u61c2\uff0c\u540e\u7eed\u7cfb\u5217\u5b8c\u7ed3\u5168\u90e8\u5185\u5bb9\u4f1a\u6574\u7406\u6210<strong>PDF<\/strong>\u5206\u4eab\u7ed9\u5927\u5bb6\uff0c\u671f\u5f85\u4e00\u4e0b\u5427\uff01<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897646\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u8bdd\u4e0d\u591a\u8bf4\uff0c\u54b1\u4eec\u8fd9\u5c31\u8fdb\u5165\u6b63\u9898\uff5e<\/p>\n<p>\u4e0d\u6025\u4e8e\u4e0a\u624b\u5b9e\u6218<code>ShardingSphere<\/code>\u6846\u67b6\uff0c\u5148\u6765\u590d\u4e60\u4e0b\u5206\u5e93\u5206\u8868\u7684\u57fa\u7840\u6982\u5ff5\uff0c\u6280\u672f\u540d\u8bcd\u5927\u591a\u6666\u6da9\u96be\u61c2\uff0c\u4e0d\u8981\u6b7b\u8bb0\u786c\u80cc\u7406\u89e3\u6700\u91cd\u8981\uff0c\u5f53\u4f60\u6345\u7834\u90a3\u5c42\u7a97\u6237\u7eb8\uff0c\u53d1\u73b0\u5176\u5b9e\u5b83\u4e5f\u5c31\u90a3\u4e48\u56de\u4e8b\u3002<\/p>\n<h2>\u4ec0\u4e48\u662f\u5206\u5e93\u5206\u8868<\/h2>\n<p>\u5206\u5e93\u5206\u8868\u662f\u5728\u6d77\u91cf\u6570\u636e\u4e0b\uff0c\u7531\u4e8e\u5355\u5e93\u3001\u8868\u6570\u636e\u91cf\u8fc7\u5927\uff0c\u5bfc\u81f4\u6570\u636e\u5e93\u6027\u80fd\u6301\u7eed\u4e0b\u964d\u7684\u95ee\u9898\uff0c\u6f14\u53d8\u51fa\u7684\u6280\u672f\u65b9\u6848\u3002<\/p>\n<p>\u5206\u5e93\u5206\u8868\u662f\u7531<code>\u5206\u5e93<\/code>\u548c<code>\u5206\u8868<\/code>\u8fd9\u4e24\u4e2a\u72ec\u7acb\u6982\u5ff5\u7ec4\u6210\u7684\uff0c\u53ea\u4e0d\u8fc7\u901a\u5e38\u5206\u5e93\u4e0e\u5206\u8868\u7684\u64cd\u4f5c\u4f1a\u540c\u65f6\u8fdb\u884c\uff0c\u4ee5\u81f3\u4e8e\u6211\u4eec\u4e60\u60ef\u6027\u7684\u5c06\u5b83\u4eec\u5408\u5728\u4e00\u8d77\u53eb\u505a\u5206\u5e93\u5206\u8868\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897647\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u901a\u8fc7\u4e00\u5b9a\u7684\u89c4\u5219\uff0c\u5c06\u539f\u672c\u6570\u636e\u91cf\u5927\u7684\u6570\u636e\u5e93\u62c6\u5206\u6210\u591a\u4e2a\u5355\u72ec\u7684\u6570\u636e\u5e93\uff0c\u5c06\u539f\u672c\u6570\u636e\u91cf\u5927\u7684\u8868\u62c6\u5206\u6210\u82e5\u5e72\u4e2a\u6570\u636e\u8868\uff0c\u4f7f\u5f97\u5355\u4e00\u7684\u5e93\u3001\u8868\u6027\u80fd\u8fbe\u5230\u6700\u4f18\u7684\u6548\u679c\uff08\u54cd\u5e94\u901f\u5ea6\u5feb\uff09\uff0c\u4ee5\u6b64\u63d0\u5347\u6574\u4f53\u6570\u636e\u5e93\u6027\u80fd\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u5206\u5e93\u5206\u8868<\/h2>\n<p>\u5355\u673a\u6570\u636e\u5e93\u7684\u5b58\u50a8\u80fd\u529b\u3001\u8fde\u63a5\u6570\u662f\u6709\u9650\u7684\uff0c\u5b83\u81ea\u8eab\u5c31\u5f88\u5bb9\u6613\u4f1a\u6210\u4e3a\u7cfb\u7edf\u7684\u74f6\u9888\u3002\u5f53\u5355\u8868\u6570\u636e\u91cf\u5728\u767e\u4e07\u4ee5\u91cc\u65f6\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u4ece\u5e93\u3001\u4f18\u5316\u7d22\u5f15\u63d0\u5347\u6027\u80fd\u3002<\/p>\n<p>\u4e00\u65e6\u6570\u636e\u91cf\u671d\u7740\u5343\u4e07\u4ee5\u4e0a\u8d8b\u52bf\u589e\u957f\uff0c\u518d\u600e\u4e48\u4f18\u5316\u6570\u636e\u5e93\uff0c\u5f88\u591a\u64cd\u4f5c\u6027\u80fd\u4ecd\u4e0b\u964d\u4e25\u91cd\u3002\u4e3a\u4e86\u51cf\u5c11\u6570\u636e\u5e93\u7684\u8d1f\u62c5\uff0c\u63d0\u5347\u6570\u636e\u5e93\u54cd\u5e94\u901f\u5ea6\uff0c\u7f29\u77ed\u67e5\u8be2\u65f6\u95f4\uff0c\u8fd9\u65f6\u5019\u5c31\u9700\u8981\u8fdb\u884c\u5206\u5e93\u5206\u8868\u3002<\/p>\n<h3>\u4e3a\u4ec0\u4e48\u9700\u8981\u5206\u5e93\uff1f<\/h3>\n<h4>\u5bb9\u91cf<\/h4>\n<p>\u6211\u4eec\u7ed9\u6570\u636e\u5e93\u5b9e\u4f8b\u5206\u914d\u7684\u78c1\u76d8\u5bb9\u91cf\u662f\u56fa\u5b9a\u7684\uff0c\u6570\u636e\u91cf\u6301\u7eed\u7684\u5927\u5e45\u589e\u957f\uff0c\u7528\u4e0d\u4e86\u591a\u4e45\u5355\u673a\u7684\u5bb9\u91cf\u5c31\u4f1a\u627f\u8f7d\u4e0d\u4e86\u8fd9\u4e48\u591a\u6570\u636e\uff0c\u89e3\u51b3\u529e\u6cd5\u7b80\u5355\u7c97\u66b4\uff0c\u52a0\u5bb9\u91cf\uff01<\/p>\n<h4>\u8fde\u63a5\u6570<\/h4>\n<p>\u5355\u673a\u7684\u5bb9\u91cf\u53ef\u4ee5\u968f\u610f\u6269\u5c55\uff0c\u4f46\u6570\u636e\u5e93\u7684\u8fde\u63a5\u6570\u5374\u662f\u6709\u9650\u7684\uff0c\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u591a\u4e2a\u4e1a\u52a1\u540c\u65f6\u5bf9\u4e00\u4e2a\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u5f88\u5bb9\u6613\u5c06\u8fde\u63a5\u6570\u8017\u5c3d\u5bfc\u81f4<code>too many connections<\/code>\u62a5\u9519\uff0c\u5bfc\u81f4\u540e\u7eed\u6570\u636e\u5e93\u65e0\u6cd5\u6b63\u5e38\u8bbf\u95ee\u3002<\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7<code>max_connections<\/code>\u67e5\u770bMySQL\u6700\u5927\u8fde\u63a5\u6570\u3002<\/p>\n<pre><code class=\"sql\">show variables like '%max_connections%'<\/code><\/pre>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897648\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u5c06\u539f\u672c\u5355\u6570\u636e\u5e93\u6309\u4e0d\u540c\u4e1a\u52a1\u62c6\u5206\u6210\u8ba2\u5355\u5e93\u3001\u7269\u6d41\u5e93\u3001\u79ef\u5206\u5e93\u7b49\u4e0d\u4ec5\u53ef\u4ee5\u6709\u6548\u5206\u644a\u6570\u636e\u5e93\u8bfb\u5199\u538b\u529b\uff0c\u4e5f\u63d0\u9ad8\u4e86\u7cfb\u7edf\u5bb9\u9519\u6027\u3002<\/p>\n<h3>\u4e3a\u4ec0\u4e48\u9700\u8981\u5206\u8868\uff1f<\/h3>\n<p>\u505a\u8fc7\u62a5\u8868\u4e1a\u52a1\u7684\u540c\u5b66\u5e94\u8be5\u90fd\u4f53\u9a8c\u8fc7\uff0c\u4e00\u6761SQL\u6267\u884c\u65f6\u95f4\u8d85\u8fc7\u51e0\u5341\u79d2\u7684\u573a\u666f\u3002<\/p>\n<p>\u5bfc\u81f4\u6570\u636e\u5e93\u67e5\u8be2\u6162\u7684\u539f\u56e0\u6709\u5f88\u591a\uff0cSQL\u6ca1\u547d\u4e2d\u7d22\u5f15\u3001like\u626b\u5168\u8868\u3001\u7528\u4e86\u51fd\u6570\u8ba1\u7b97\uff0c\u8fd9\u4e9b\u90fd\u53ef\u4ee5\u901a\u8fc7\u4f18\u5316\u624b\u6bb5\u89e3\u51b3\uff0c\u53ef\u552f\u72ec\u6570\u636e\u91cf\u5927\u662fMySQL\u65e0\u6cd5\u901a\u8fc7\u81ea\u8eab\u4f18\u5316\u89e3\u51b3\u7684\u3002\u6162\u7684\u6839\u672c\u539f\u56e0\u662f<code>InnoDB<\/code>\u5b58\u50a8\u5f15\u64ce\uff0c\u805a\u7c07\u7d22\u5f15\u7ed3\u6784\u7684 B+tree \u5c42\u7ea7\u53d8\u9ad8\uff0c\u78c1\u76d8IO\u53d8\u591a\u67e5\u8be2\u6027\u80fd\u53d8\u6162\uff0c\u8be6\u7ec6\u539f\u7406\u81ea\u884c\u67e5\u627e\u4e00\u4e0b\uff0c\u8fd9\u91cc\u4e0d\u7528\u8fc7\u591a\u7bc7\u5e45\u8bf4\u660e\u3002<\/p>\n<p>\u963f\u91cc\u7684\u5f00\u53d1\u624b\u518c\u4e2d\u6709\u6761\u5efa\u8bae\uff0c\u5355\u8868\u884c\u6570\u8d85500\u4e07\u884c\u6216\u8005\u5355\u8868\u5bb9\u91cf\u8d85\u8fc72GB\uff0c\u5c31\u63a8\u8350\u5206\u5e93\u5206\u8868\uff0c\u7136\u800c\u7406\u60f3\u548c\u5b9e\u73b0\u603b\u662f\u6709\u5dee\u8ddd\u7684\uff0c\u963f\u91cc\u8fd9\u79cd\u4f53\u91cf\u7684\u516c\u53f8\u4e0d\u5dee\u94b1\u5f53\u7136\u53ef\u4ee5\u8fd9\u4e48\u7528\uff0c\u5b9e\u9645\u4e0a\u5f88\u591a\u516c\u53f8\u5355\u8868\u6570\u636e\u51e0\u5343\u4e07\u3001\u4ebf\u7ea7\u522b\u4ecd\u7136\u4e0d\u9009\u62e9\u5206\u5e93\u5206\u8868\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897649\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2>\u4ec0\u4e48\u65f6\u5019\u5206\u5e93\u5206\u8868<\/h2>\n<blockquote><p>\u6280\u672f\u7fa4\u91cc\u7ecf\u5e38\u4f1a\u6709\u5c0f\u4f19\u4f34\u95ee\uff0c\u5230\u5e95\u4ec0\u4e48\u60c5\u51b5\u4e0b\u4f1a\u7528\u5206\u5e93\u5206\u8868\u5462\uff1f<\/p><\/blockquote>\n<p>\u5206\u5e93\u5206\u8868\u8981\u89e3\u51b3\u7684\u662f<code>\u73b0\u5b58\u6d77\u91cf\u6570\u636e<\/code>\u8bbf\u95ee\u7684\u6027\u80fd\u74f6\u9888\uff0c\u5bf9<code>\u6301\u7eed\u6fc0\u589e<\/code>\u7684\u6570\u636e\u91cf\u6240\u505a\u51fa\u7684\u67b6\u6784\u9884\u89c1\u6027\u3002<\/p>\n<p><strong>\u662f\u5426\u5206\u5e93\u5206\u8868\u7684\u5173\u952e\u6307\u6807\u662f\u6570\u636e\u91cf<\/strong>\uff0c\u6211\u4eec\u4ee5<code>fire100.top<\/code>\u8fd9\u4e2a\u7f51\u7ad9\u7684\u8d44\u6e90\u8868 <code>t_resource<\/code>\u4e3a\u4f8b\uff0c\u7cfb\u7edf\u5728\u8fd0\u884c\u521d\u59cb\u7684\u65f6\u5019\uff0c\u6bcf\u5929\u53ea\u6709\u53ef\u601c\u7684\u51e0\u5341\u4e2a\u8d44\u6e90\u4e0a\u4f20\uff0c\u8fd9\u65f6\u4f7f\u7528\u5355\u5e93\u3001\u5355\u8868\u7684\u65b9\u5f0f\u8db3\u4ee5\u652f\u6301\u7cfb\u7edf\u7684\u5b58\u50a8\uff0c\u6570\u636e\u91cf\u5c0f\u51e0\u4e4e\u6ca1\u4ec0\u4e48\u6570\u636e\u5e93\u6027\u80fd\u74f6\u9888\u3002<\/p>\n<p>\u4f46\u67d0\u5929\u5f00\u59cb\u4e00\u80a1\u795e\u79d8\u7684\u6d41\u91cf\u8fdb\u5165\uff0c\u7cfb\u7edf\u6bcf\u65e5\u4ea7\u751f\u7684\u8d44\u6e90\u6570\u636e\u91cf\u66b4\u589e\u81f3\u5341\u4e07\u751a\u81f3\u4e0a\u767e\u4e07\u7ea7\u522b\uff0c\u8fd9\u65f6\u8d44\u6e90\u8868\u6570\u636e\u91cf\u5230\u8fbe\u5343\u4e07\u7ea7\uff0c\u67e5\u8be2\u54cd\u5e94\u53d8\u5f97\u7f13\u6162\uff0c\u6570\u636e\u5e93\u7684\u6027\u80fd\u74f6\u9888\u9010\u6e10\u663e\u73b0\u3002<\/p>\n<p>\u4ee5MySQL\u6570\u636e\u5e93\u4e3a\u4f8b\uff0c\u5355\u8868\u7684\u6570\u636e\u91cf\u5728\u8fbe\u5230\u4ebf\u6761\u7ea7\u522b\uff0c\u901a\u8fc7\u52a0\u7d22\u5f15\u3001SQL\u8c03\u4f18\u7b49\u4f20\u7edf\u4f18\u5316\u7b56\u7565\uff0c\u6027\u80fd\u63d0\u5347\u4f9d\u65e7\u5fae\u4e4e\u5176\u5fae\u65f6\uff0c\u5c31\u53ef\u4ee5\u8003\u8651\u505a\u5206\u5e93\u5206\u8868\u4e86\u3002<\/p>\n<p>\u65e2\u7136MySQL\u5b58\u50a8\u6d77\u91cf\u6570\u636e\u65f6\u4f1a\u51fa\u73b0\u6027\u80fd\u74f6\u9888\uff0c\u90a3\u4e48\u6211\u4eec\u662f\u4e0d\u662f\u53ef\u4ee5\u8003\u8651\u7528\u5176\u4ed6\u65b9\u6848\u66ff\u4ee3\u5b83\uff1f\u6bd4\u5982\u9ad8\u6027\u80fd\u7684\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93<code>MongoDB<\/code>\uff1f<\/p>\n<p>\u53ef\u4ee5\uff0c\u4f46\u8981\u770b\u5b58\u50a8\u7684\u6570\u636e\u7c7b\u578b\uff01<\/p>\n<p>\u73b0\u5728\u4e92\u8054\u7f51\u4e0a\u5927\u90e8\u5206\u516c\u53f8\u7684\u6838\u5fc3\u6570\u636e\u51e0\u4e4e\u662f\u5b58\u50a8\u5728\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff08MySQL\u3001Oracle\u7b49\uff09\uff0c\u56e0\u4e3a\u5b83\u4eec\u6709\u7740<code>NoSQL<\/code>\u5982\u6cd5\u6bd4\u62df\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\uff0c\u4ea7\u54c1\u6210\u719f\u751f\u6001\u7cfb\u7edf\u5b8c\u5584\uff0c\u8fd8\u6709\u6838\u5fc3\u7684\u4e8b\u52a1\u529f\u80fd\u7279\u6027\uff0c\u4e5f\u662f\u5176\u4ed6\u5b58\u50a8\u5de5\u5177\u4e0d\u5177\u5907\u7684\uff0c\u800c\u8bc4\u8bba\u3001\u70b9\u8d5e\u8fd9\u4e9b\u975e\u6838\u5fc3\u6570\u636e\u8fd8\u662f\u53ef\u4ee5\u8003\u8651\u7528<code>MongoDB<\/code>\u7684\u3002<\/p>\n<h2>\u5982\u4f55\u5206\u5e93\u5206\u8868<\/h2>\n<blockquote><p>\u5206\u5e93\u5206\u8868\u7684\u6838\u5fc3\u5c31\u662f\u5bf9\u6570\u636e\u7684\u5206\u7247\uff08<code>Sharding<\/code>\uff09\u5e76\u76f8\u5bf9\u5747\u5300\u7684\u8def\u7531\u5728\u4e0d\u540c\u7684\u5e93\u3001\u8868\u4e2d\uff0c\u4ee5\u53ca\u5206\u7247\u540e\u5bf9\u6570\u636e\u7684\u5feb\u901f\u5b9a\u4f4d\u4e0e\u68c0\u7d22\u7ed3\u679c\u7684\u6574\u5408\u3002<\/p><\/blockquote>\n<p>\u5206\u5e93\u4e0e\u5206\u8868\u53ef\u4ee5\u4ece\uff1a\u5782\u76f4\uff08\u7eb5\u5411\uff09\u548c \u6c34\u5e73\uff08\u6a2a\u5411\uff09\u4e24\u79cd\u7eac\u5ea6\u8fdb\u884c\u62c6\u5206\u3002\u4e0b\u8fb9\u6211\u4eec\u4ee5\u7ecf\u5178\u7684\u8ba2\u5355\u4e1a\u52a1\u4e3e\u4f8b\uff0c\u770b\u770b\u5982\u4f55\u62c6\u5206\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897650\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>\u5782\u76f4\u62c6\u5206<\/h3>\n<h4>1\u3001\u5782\u76f4\u5206\u5e93<\/h4>\n<p>\u5782\u76f4\u5206\u5e93\u4e00\u822c\u6765\u8bf4\u6309\u7167\u4e1a\u52a1\u548c\u529f\u80fd\u7684\u7ef4\u5ea6\u8fdb\u884c\u62c6\u5206\uff0c\u5c06\u4e0d\u540c\u4e1a\u52a1\u6570\u636e\u5206\u522b\u653e\u5230\u4e0d\u540c\u7684\u6570\u636e\u5e93\u4e2d\uff0c\u6838\u5fc3\u7406\u5ff5 <code>\u4e13\u5e93\u4e13\u7528<\/code>\u3002<\/p>\n<p>\u6309\u4e1a\u52a1\u7c7b\u578b\u5bf9\u6570\u636e\u5206\u79bb\uff0c\u5265\u79bb\u4e3a\u591a\u4e2a\u6570\u636e\u5e93\uff0c\u50cf\u8ba2\u5355\u3001\u652f\u4ed8\u3001\u4f1a\u5458\u3001\u79ef\u5206\u76f8\u5173\u7b49\u8868\u653e\u5728\u5bf9\u5e94\u7684\u8ba2\u5355\u5e93\u3001\u652f\u4ed8\u5e93\u3001\u4f1a\u5458\u5e93\u3001\u79ef\u5206\u5e93\u3002\u4e0d\u540c\u4e1a\u52a1\u7981\u6b62\u8de8\u5e93\u76f4\u8fde\uff0c\u83b7\u53d6\u5bf9\u65b9\u4e1a\u52a1\u6570\u636e\u4e00\u5f8b\u901a\u8fc7<code>API<\/code>\u63a5\u53e3\u4ea4\u4e92\uff0c\u8fd9\u4e5f\u662f\u5fae\u670d\u52a1\u62c6\u5206\u7684\u4e00\u4e2a\u91cd\u8981\u4f9d\u636e\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897651\" alt=\"\u5782\u76f4\u5206\u5e93\" title=\"\u5782\u76f4\u5206\u5e93\" loading=\"lazy\"><\/p>\n<p>\u5782\u76f4\u5206\u5e93\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u51b3\u4e8e\u4e1a\u52a1\u7684\u5212\u5206\uff0c\u4f46\u6709\u65f6\u5019\u4e1a\u52a1\u95f4\u7684\u5212\u5206\u5e76\u4e0d\u662f\u90a3\u4e48\u6e05\u6670\uff0c\u6bd4\u5982\uff1a\u7535\u5546\u4e2d\u8ba2\u5355\u6570\u636e\u7684\u62c6\u5206\uff0c\u5176\u4ed6\u5f88\u591a\u4e1a\u52a1\u90fd\u4f9d\u8d56\u4e8e\u8ba2\u5355\u6570\u636e\uff0c\u6709\u65f6\u5019\u754c\u7ebf\u4e0d\u662f\u5f88\u597d\u5212\u5206\u3002<\/p>\n<p>\u5782\u76f4\u5206\u5e93\u628a\u4e00\u4e2a\u5e93\u7684\u538b\u529b\u5206\u644a\u5230\u591a\u4e2a\u5e93\uff0c\u63d0\u5347\u4e86\u4e00\u4e9b\u6570\u636e\u5e93\u6027\u80fd\uff0c\u4f46\u5e76\u6ca1\u6709\u89e3\u51b3\u7531\u4e8e\u5355\u8868\u6570\u636e\u91cf\u8fc7\u5927\u5bfc\u81f4\u7684\u6027\u80fd\u95ee\u9898\uff0c\u6240\u4ee5\u5c31\u9700\u8981\u914d\u5408\u540e\u8fb9\u7684\u5206\u8868\u6765\u89e3\u51b3\u3002<\/p>\n<h4>2\u3001\u5782\u76f4\u5206\u8868<\/h4>\n<p>\u5782\u76f4\u5206\u8868\u9488\u5bf9\u4e1a\u52a1\u4e0a\u5b57\u6bb5\u6bd4\u8f83\u591a\u7684\u5927\u8868\u8fdb\u884c\u7684\uff0c\u4e00\u822c\u662f\u628a\u4e1a\u52a1\u5bbd\u8868\u4e2d\u6bd4\u8f83\u72ec\u7acb\u7684\u5b57\u6bb5\uff0c\u6216\u8005\u4e0d\u5e38\u7528\u7684\u5b57\u6bb5\u62c6\u5206\u5230\u5355\u72ec\u7684\u6570\u636e\u8868\u4e2d\uff0c\u662f\u4e00\u79cd\u5927\u8868\u62c6\u5c0f\u8868\u7684\u6a21\u5f0f\u3002<\/p>\n<p>\u4f8b\u5982\uff1a\u4e00\u5f20<code>t_order<\/code>\u8ba2\u5355\u8868\u4e0a\u6709\u51e0\u5341\u4e2a\u5b57\u6bb5\uff0c\u5176\u4e2d\u8ba2\u5355\u91d1\u989d\u76f8\u5173\u5b57\u6bb5\u8ba1\u7b97\u9891\u7e41\uff0c\u4e3a\u4e86\u4e0d\u5f71\u54cd\u8ba2\u5355\u8868<code>t_order<\/code>\u7684\u6027\u80fd\uff0c\u5c31\u53ef\u4ee5\u628a\u8ba2\u5355\u91d1\u989d\u76f8\u5173\u5b57\u6bb5\u62c6\u51fa\u6765\u5355\u72ec\u7ef4\u62a4\u4e00\u4e2a<code>t_order_price_expansion<\/code>\u6269\u5c55\u8868\uff0c\u8fd9\u6837\u6bcf\u5f20\u8868\u53ea\u5b58\u50a8\u539f\u8868\u7684\u4e00\u90e8\u5206\u5b57\u6bb5\uff0c\u901a\u8fc7\u8ba2\u5355\u53f7<code>order_no<\/code>\u505a\u5173\u8054\uff0c\u518d\u5c06\u62c6\u5206\u51fa\u6765\u7684\u8868\u8def\u7531\u5230\u4e0d\u540c\u7684\u5e93\u4e2d\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897652\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6570\u636e\u5e93\u5b83\u662f\u4ee5\u884c\u4e3a\u5355\u4f4d\u5c06\u6570\u636e\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u8fd9\u6837\u62c6\u5206\u4ee5\u540e\u6838\u5fc3\u8868\u5927\u591a\u662f\u8bbf\u95ee\u9891\u7387\u8f83\u9ad8\u7684\u5b57\u6bb5\uff0c\u800c\u4e14\u5b57\u6bb5\u957f\u5ea6\u4e5f\u90fd\u8f83\u77ed\uff0c\u56e0\u800c\u53ef\u4ee5\u52a0\u8f7d\u66f4\u591a\u6570\u636e\u5230\u5185\u5b58\u4e2d\uff0c\u51cf\u5c11\u78c1\u76d8IO\uff0c\u589e\u52a0\u7d22\u5f15\u67e5\u8be2\u7684\u547d\u4e2d\u7387\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u6570\u636e\u5e93\u6027\u80fd\u3002<\/p>\n<h3>\u6c34\u5e73\u62c6\u5206<\/h3>\n<p>\u4e0a\u8fb9\u5782\u76f4\u5206\u5e93\u3001\u5782\u76f4\u5206\u8868\u540e\u8fd8\u662f\u4f1a\u5b58\u5728\u5355\u5e93\u3001\u8868\u6570\u636e\u91cf\u8fc7\u5927\u7684\u95ee\u9898\uff0c\u5f53\u6211\u4eec\u7684\u5e94\u7528\u5df2\u7ecf\u65e0\u6cd5\u5728\u7ec6\u7c92\u5ea6\u7684\u5782\u76f4\u5207\u5206\u65f6\uff0c\u4f9d\u65e7\u5b58\u5728\u5355\u5e93\u8bfb\u5199\u3001\u5b58\u50a8\u6027\u80fd\u74f6\u9888\uff0c\u8fd9\u65f6\u5c31\u8981\u914d\u5408\u6c34\u5e73\u5206\u5e93\u3001\u6c34\u5e73\u5206\u8868\u4e00\u8d77\u4e86\u3002<\/p>\n<h4>1\u3001\u6c34\u5e73\u5206\u5e93<\/h4>\n<p>\u6c34\u5e73\u5206\u5e93\u662f\u628a\u540c\u4e00\u4e2a\u8868\u6309\u4e00\u5b9a\u89c4\u5219\u62c6\u5206\u5230\u4e0d\u540c\u7684\u6570\u636e\u5e93\u4e2d\uff0c\u6bcf\u4e2a\u5e93\u53ef\u4ee5\u4f4d\u4e8e\u4e0d\u540c\u7684\u670d\u52a1\u5668\u4e0a\uff0c\u4ee5\u6b64\u5b9e\u73b0\u6c34\u5e73\u6269\u5c55\uff0c\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u63d0\u5347\u6570\u636e\u5e93\u6027\u80fd\u7684\u65b9\u5f0f\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897653\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4f8b\u5982\uff1a<code>db_orde_1<\/code>\u3001<code>db_order_2<\/code>\u4e24\u4e2a\u6570\u636e\u5e93\u5185\u6709\u5b8c\u5168\u76f8\u540c\u7684<code>t_order<\/code>\u8868\uff0c\u6211\u4eec\u5728\u8bbf\u95ee\u67d0\u4e00\u7b14\u8ba2\u5355\u65f6\u53ef\u4ee5\u901a\u8fc7\u5bf9\u8ba2\u5355\u7684\u8ba2\u5355\u7f16\u53f7\u53d6\u6a21\u7684\u65b9\u5f0f <code>\u8ba2\u5355\u7f16\u53f7 mod 2 \uff08\u6570\u636e\u5e93\u5b9e\u4f8b\u6570\uff09<\/code> \uff0c\u6307\u5b9a\u8be5\u8ba2\u5355\u5e94\u8be5\u5728\u54ea\u4e2a\u6570\u636e\u5e93\u4e2d\u64cd\u4f5c\u3002<\/p>\n<p>\u8fd9\u79cd\u65b9\u6848\u5f80\u5f80\u80fd\u89e3\u51b3\u5355\u5e93\u5b58\u50a8\u91cf\u53ca\u6027\u80fd\u74f6\u9888\u95ee\u9898\uff0c\u4f46\u7531\u4e8e\u540c\u4e00\u4e2a\u8868\u88ab\u5206\u914d\u5728\u4e0d\u540c\u7684\u6570\u636e\u5e93\u4e2d\uff0c\u6570\u636e\u7684\u8bbf\u95ee\u9700\u8981\u989d\u5916\u7684\u8def\u7531\u5de5\u4f5c\uff0c\u56e0\u6b64\u7cfb\u7edf\u7684\u590d\u6742\u5ea6\u4e5f\u88ab\u63d0\u5347\u4e86\u3002<\/p>\n<h4>2\u3001\u6c34\u5e73\u5206\u8868<\/h4>\n<p>\u6c34\u5e73\u5206\u8868\u662f\u5728<strong>\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u5185<\/strong>\uff0c\u628a\u4e00\u5f20\u5927\u6570\u636e\u91cf\u7684\u8868\u6309\u4e00\u5b9a\u89c4\u5219\uff0c\u5207\u5206\u6210\u591a\u4e2a\u7ed3\u6784\u5b8c\u5168\u76f8\u540c\u8868\uff0c\u800c\u6bcf\u4e2a\u8868\u53ea\u5b58\u539f\u8868\u7684\u4e00\u90e8\u5206\u6570\u636e\u3002<\/p>\n<p>\u4f8b\u5982\uff1a\u4e00\u5f20<code>t_order<\/code>\u8ba2\u5355\u8868\u6709900\u4e07\u6570\u636e\uff0c\u7ecf\u8fc7\u6c34\u5e73\u62c6\u5206\u51fa\u6765\u4e09\u4e2a\u8868\uff0c<code>t_order_1<\/code>\u3001<code>t_order_2<\/code>\u3001<code>t_order_3<\/code>\uff0c\u6bcf\u5f20\u8868\u5b58\u6709\u6570\u636e300\u4e07\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897654\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6c34\u5e73\u5206\u8868\u5c3d\u7ba1\u62c6\u5206\u4e86\u8868\uff0c\u4f46\u5b50\u8868\u90fd\u8fd8\u662f\u5728\u540c\u4e00\u4e2a\u6570\u636e\u5e93\u5b9e\u4f8b\u4e2d\uff0c\u53ea\u662f\u89e3\u51b3\u4e86\u5355\u4e00\u8868\u6570\u636e\u91cf\u8fc7\u5927\u7684\u95ee\u9898\uff0c\u5e76\u6ca1\u6709\u5c06\u62c6\u5206\u540e\u7684\u8868\u5206\u6563\u5230\u4e0d\u540c\u7684\u673a\u5668\u4e0a\uff0c\u8fd8\u5728\u7ade\u4e89\u540c\u4e00\u4e2a\u7269\u7406\u673a\u7684CPU\u3001\u5185\u5b58\u3001\u7f51\u7edcIO\u7b49\u3002\u8981\u60f3\u8fdb\u4e00\u6b65\u63d0\u5347\u6027\u80fd\uff0c\u5c31\u9700\u8981\u5c06\u62c6\u5206\u540e\u7684\u8868\u5206\u6563\u5230\u4e0d\u540c\u7684\u6570\u636e\u5e93\u4e2d\uff0c\u8fbe\u5230\u5206\u5e03\u5f0f\u7684\u6548\u679c\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897655\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2>\u6570\u636e\u5b58\u5728\u54ea\u4e2a\u5e93\u7684\u8868<\/h2>\n<p>\u5206\u5e93\u5206\u8868\u4ee5\u540e\u4f1a\u51fa\u73b0\u4e00\u4e2a\u95ee\u9898\uff0c\u4e00\u5f20\u8868\u4f1a\u51fa\u73b0\u5728\u591a\u4e2a\u6570\u636e\u5e93\u91cc\uff0c\u5230\u5e95\u8be5\u5f80\u54ea\u4e2a\u5e93\u7684\u54ea\u4e2a\u8868\u91cc\u5b58\u5462\uff1f<\/p>\n<p>\u4e0a\u8fb9\u6211\u4eec\u591a\u6b21\u63d0\u5230\u8fc7<code>\u4e00\u5b9a\u89c4\u5219<\/code> \uff0c\u5176\u5b9e\u8fd9\u4e2a\u89c4\u5219\u5b83\u662f\u4e00\u79cd\u8def\u7531\u7b97\u6cd5\uff0c\u51b3\u5b9a\u4e86\u4e00\u6761\u6570\u636e\u5177\u4f53\u5e94\u8be5\u5b58\u5728\u54ea\u4e2a\u6570\u636e\u5e93\u7684\u54ea\u5f20\u8868\u91cc\u3002<\/p>\n<p>\u5e38\u89c1\u7684\u6709 <code>\u53d6\u6a21\u7b97\u6cd5<\/code> \u3001<code>\u8303\u56f4\u9650\u5b9a\u7b97\u6cd5<\/code>\u3001<code>\u8303\u56f4+\u53d6\u6a21\u7b97\u6cd5<\/code> \u3001<code>\u9884\u5b9a\u4e49\u7b97\u6cd5<\/code><\/p>\n<h3>1\u3001\u53d6\u6a21\u7b97\u6cd5<\/h3>\n<p>\u5173\u952e\u5b57\u6bb5\u53d6\u6a21\uff08\u5bf9hash\u7ed3\u679c\u53d6\u4f59\u6570 hash(XXX) mod N)\uff0cN\u4e3a\u6570\u636e\u5e93\u5b9e\u4f8b\u6570\u6216\u5b50\u8868\u6570\u91cf\uff09\u662f\u6700\u4e3a\u5e38\u89c1\u7684\u4e00\u79cd\u8def\u7531\u65b9\u5f0f\u3002<\/p>\n<p>\u4ee5<code>t_order<\/code>\u8ba2\u5355\u8868\u4e3a\u4f8b\uff0c\u5148\u7ed9\u6570\u636e\u5e93\u4ece 0 \u5230 N-1\u8fdb\u884c\u7f16\u53f7\uff0c\u5bf9 <code>t_order<\/code>\u8ba2\u5355\u8868\u4e2d<code>order_no<\/code>\u8ba2\u5355\u7f16\u53f7\u5b57\u6bb5\u8fdb\u884c\u53d6\u6a21<code>hash(order_no) mod N<\/code>\uff0c\u5f97\u5230\u4f59\u6570<code>i<\/code>\u3002<code>i=0<\/code>\u5b58\u7b2c\u4e00\u4e2a\u5e93\uff0c<code>i=1<\/code>\u5b58\u7b2c\u4e8c\u4e2a\u5e93\uff0c<code>i=2<\/code>\u5b58\u7b2c\u4e09\u4e2a\u5e93\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897656\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u540c\u4e00\u7b14\u8ba2\u5355\u6570\u636e\u4f1a\u843d\u5728\u540c\u4e00\u4e2a\u5e93\u3001\u8868\u91cc\uff0c\u67e5\u8be2\u65f6\u7528\u76f8\u540c\u7684\u89c4\u5219\uff0c\u7528<code>t_order<\/code>\u8ba2\u5355\u7f16\u53f7\u4f5c\u4e3a\u67e5\u8be2\u6761\u4ef6\uff0c\u5c31\u80fd\u5feb\u901f\u7684\u5b9a\u4f4d\u5230\u6570\u636e\u3002<\/p>\n<h4>\u4f18\u70b9<\/h4>\n<p>\u5b9e\u73b0\u7b80\u5355\uff0c\u6570\u636e\u5206\u5e03\u76f8\u5bf9\u6bd4\u8f83\u5747\u5300\uff0c\u4e0d\u6613\u51fa\u73b0\u8bf7\u6c42\u90fd\u6253\u5230\u4e00\u4e2a\u5e93\u4e0a\u7684\u60c5\u51b5\u3002<\/p>\n<h4>\u7f3a\u70b9<\/h4>\n<p>\u53d6\u6a21\u7b97\u6cd5\u5bf9\u96c6\u7fa4\u7684\u4f38\u7f29\u652f\u6301\u4e0d\u592a\u53cb\u597d\uff0c\u96c6\u7fa4\u4e2d\u6709N\u4e2a\u6570\u636e\u5e93\u5b9e<code>\u00b7hash(user_id) mod N<\/code>\uff0c\u5f53\u67d0\u4e00\u53f0\u673a\u5668\u5b95\u673a\uff0c\u672c\u5e94\u8be5\u843d\u5728\u8be5\u6570\u636e\u5e93\u7684\u8bf7\u6c42\u5c31\u65e0\u6cd5\u5f97\u5230\u5904\u7406\uff0c\u8fd9\u65f6\u5b95\u6389\u7684\u5b9e\u4f8b\u4f1a\u88ab\u8e22\u51fa\u96c6\u7fa4\u3002<\/p>\n<p>\u6b64\u65f6\u673a\u5668\u6570\u51cf\u5c11\u7b97\u6cd5\u53d1\u751f\u53d8\u5316<code>hash(user_id) mod N-1<\/code>\uff0c\u540c\u4e00\u7528\u6237\u6570\u636e\u843d\u5728\u4e86\u5728\u4e0d\u540c\u6570\u636e\u5e93\u4e2d\uff0c\u7b49\u8fd9\u53f0\u673a\u5668\u6062\u590d\uff0c\u7528<code>user_id<\/code>\u4f5c\u4e3a\u6761\u4ef6\u67e5\u8be2\u7528\u6237\u6570\u636e\u5c31\u4f1a\u5c11\u4e00\u90e8\u5206\u3002<\/p>\n<h3>2\u3001\u8303\u56f4\u9650\u5b9a\u7b97\u6cd5<\/h3>\n<p>\u8303\u56f4\u9650\u5b9a\u7b97\u6cd5\u4ee5\u67d0\u4e9b\u8303\u56f4\u5b57\u6bb5\uff0c\u5982<code>\u65f6\u95f4<\/code>\u6216<code>ID\u533a<\/code>\u62c6\u5206\u3002<\/p>\n<p>\u7528\u6237\u8868<code>t_user<\/code>\u88ab\u62c6\u5206\u6210<code>t_user_1<\/code>\u3001<code>t_user_2<\/code>\u3001<code>t_user_3<\/code>\u4e09\u5f20\u8868\uff0c\u540e\u7eed\u5c06<code>user_id<\/code>\u8303\u56f4\u4e3a1 ~ 1000w\u7684\u7528\u6237\u6570\u636e\u653e\u5165<code>t_user_1<\/code>\uff0c1000~ 2000w\u653e\u5165<code>t_user_2<\/code>\uff0c2000~3000w\u653e\u5165<code>t_user_3<\/code>\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002\u6309\u65e5\u671f\u8303\u56f4\u5212\u5206\u540c\u7406\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897657\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h4>\u4f18\u70b9<\/h4>\n<ul>\n<li>\u5355\u8868\u6570\u636e\u91cf\u662f\u53ef\u63a7\u7684<\/li>\n<li>\u6c34\u5e73\u6269\u5c55\u7b80\u5355\u53ea\u9700\u589e\u52a0\u8282\u70b9\u5373\u53ef\uff0c\u65e0\u9700\u5bf9\u5176\u4ed6\u5206\u7247\u7684\u6570\u636e\u8fdb\u884c\u8fc1\u79fb<\/li>\n<\/ul>\n<h4>\u7f3a\u70b9<\/h4>\n<ul>\n<li>\u7531\u4e8e\u8fde\u7eed\u5206\u7247\u53ef\u80fd\u5b58\u5728<code>\u6570\u636e\u70ed\u70b9<\/code>\uff0c\u6bd4\u5982\u6309\u65f6\u95f4\u5b57\u6bb5\u5206\u7247\u65f6\uff0c\u5982\u679c\u67d0\u4e00\u6bb5\u65f6\u95f4\uff08\u53cc11\u7b49\u5927\u4fc3\uff09\u8ba2\u5355\u9aa4\u589e\uff0c\u5b5811\u6708\u6570\u636e\u7684\u8868\u53ef\u80fd\u4f1a\u88ab\u9891\u7e41\u7684\u8bfb\u5199\uff0c\u5176\u4ed6\u5206\u7247\u8868\u5b58\u50a8\u7684\u5386\u53f2\u6570\u636e\u5219\u5f88\u5c11\u88ab\u67e5\u8be2\uff0c\u5bfc\u81f4\u6570\u636e\u503e\u659c\uff0c\u6570\u636e\u5e93\u538b\u529b\u5206\u644a\u4e0d\u5747\u5300\u3002<\/li>\n<\/ul>\n<h3>3\u3001\u8303\u56f4 + \u53d6\u6a21\u7b97\u6cd5<\/h3>\n<p>\u4e3a\u4e86\u907f\u514d\u70ed\u70b9\u6570\u636e\u7684\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u4e0a\u8303\u56f4\u7b97\u6cd5\u4f18\u5316\u4e00\u4e0b<\/p>\n<p>\u8fd9\u6b21\u6211\u4eec\u5148\u901a\u8fc7\u8303\u56f4\u7b97\u6cd5\u5b9a\u4e49\u6bcf\u4e2a\u5e93\u7684\u7528\u6237\u8868<code>t_user<\/code>\u53ea\u5b581000w\u6570\u636e\uff0c\u7b2c\u4e00\u4e2a<code>db_order_1<\/code>\u5e93\u5b58\u653e<code>userId<\/code>\u4ece1 ~ 1000w\uff0c\u7b2c\u4e8c\u4e2a\u5e931000~2000w\uff0c\u7b2c\u4e09\u4e2a\u5e932000~3000w\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897658\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6bcf\u4e2a\u5e93\u91cc\u518d\u628a\u7528\u6237\u8868<code>t_user<\/code>\u62c6\u5206\u6210<code>t_user_1<\/code>\u3001<code>t_user_2<\/code>\u3001<code>t_user_3<\/code>\u7b49\uff0c\u5bf9<code>userd<\/code>\u8fdb\u884c\u53d6\u6a21\u8def\u7531\u5230\u5bf9\u5e94\u7684\u8868\u4e2d\u3002<\/p>\n<p>\u6709\u6548\u7684\u907f\u514d\u6570\u636e\u5206\u5e03\u4e0d\u5747\u5300\u7684\u95ee\u9898\uff0c\u6570\u636e\u5e93\u6c34\u5e73\u6269\u5c55\u4e5f\u7b80\u5355\uff0c\u76f4\u63a5\u6dfb\u52a0\u5b9e\u4f8b\u65e0\u9700\u8fc1\u79fb\u5386\u53f2\u6570\u636e\u3002<\/p>\n<h3>4\u3001\u5730\u7406\u4f4d\u7f6e\u5206\u7247<\/h3>\n<p>\u5730\u7406\u4f4d\u7f6e\u5206\u7247\u5176\u5b9e\u662f\u4e00\u4e2a\u66f4\u5927\u7684\u8303\u56f4\uff0c\u6309\u57ce\u5e02\u6216\u8005\u5730\u57df\u5212\u5206\uff0c\u6bd4\u5982\u534e\u4e1c\u3001\u534e\u5317\u6570\u636e\u653e\u5728\u4e0d\u540c\u7684\u5206\u7247\u5e93\u3001\u8868\u3002<\/p>\n<h3>5\u3001\u9884\u5b9a\u4e49\u7b97\u6cd5<\/h3>\n<p>\u9884\u5b9a\u4e49\u7b97\u6cd5\u662f\u4e8b\u5148\u5df2\u7ecf\u660e\u786e\u77e5\u9053\u5206\u5e93\u548c\u5206\u8868\u7684\u6570\u91cf\uff0c\u53ef\u4ee5\u76f4\u63a5\u5c06\u67d0\u7c7b\u6570\u636e\u8def\u7531\u5230\u6307\u5b9a\u5e93\u6216\u8868\u4e2d\uff0c\u67e5\u8be2\u7684\u65f6\u5019\u4ea6\u662f\u5982\u6b64\u3002<\/p>\n<h2>\u5206\u5e93\u5206\u8868\u51fa\u6765\u7684\u95ee\u9898<\/h2>\n<p>\u4e86\u89e3\u4e86\u4e0a\u8fb9\u5206\u5e93\u5206\u8868\u7684\u62c6\u5206\u65b9\u5f0f\u4e0d\u96be\u53d1\u73b0\uff0c\u76f8\u6bd4\u4e8e\u62c6\u5206\u524d\u7684\u5355\u5e93\u5355\u8868\uff0c\u7cfb\u7edf\u7684\u6570\u636e\u5b58\u50a8\u67b6\u6784\u6f14\u53d8\u5230\u73b0\u5728\u5df2\u7ecf\u53d8\u5f97\u975e\u5e38\u590d\u6742\u3002\u770b\u51e0\u4e2a\u5177\u6709\u4ee3\u8868\u6027\u7684\u95ee\u9898\uff0c\u6bd4\u5982\uff1a<\/p>\n<h3>\u5206\u9875\u3001\u6392\u5e8f\u3001\u8de8\u8282\u70b9\u8054\u5408\u67e5\u8be2<\/h3>\n<p>\u5206\u9875\u3001\u6392\u5e8f\u3001\u8054\u5408\u67e5\u8be2\uff0c\u8fd9\u4e9b\u770b\u4f3c\u666e\u901a\uff0c\u5f00\u53d1\u4e2d\u4f7f\u7528\u9891\u7387\u8f83\u9ad8\u7684\u64cd\u4f5c\uff0c\u5728\u5206\u5e93\u5206\u8868\u540e\u5374\u662f\u8ba9\u4eba\u975e\u5e38\u5934\u75bc\u7684\u95ee\u9898\u3002\u628a\u5206\u6563\u5728\u4e0d\u540c\u5e93\u4e2d\u8868\u7684\u6570\u636e\u67e5\u8be2\u51fa\u6765\uff0c\u518d\u5c06\u6240\u6709\u7ed3\u679c\u8fdb\u884c\u6c47\u603b\u5408\u5e76\u6574\u7406\u540e\u63d0\u4f9b\u7ed9\u7528\u6237\u3002<\/p>\n<p>\u6bd4\u5982\uff1a\u6211\u4eec\u8981\u67e5\u8be211\u300112\u6708\u7684\u8ba2\u5355\u6570\u636e\uff0c\u5982\u679c\u4e24\u4e2a\u6708\u7684\u6570\u636e\u662f\u5206\u6563\u5230\u4e86\u4e0d\u540c\u7684\u6570\u636e\u5e93\u5b9e\u4f8b\uff0c\u5219\u8981\u67e5\u8be2\u4e24\u4e2a\u6570\u636e\u5e93\u76f8\u5173\u7684\u6570\u636e\uff0c\u5728\u5bf9\u6570\u636e\u5408\u5e76\u6392\u5e8f\u3001\u5206\u9875\uff0c\u8fc7\u7a0b\u7e41\u7410\u590d\u6742\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897659\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>\u4e8b\u52a1\u4e00\u81f4\u6027<\/h3>\n<p>\u5206\u5e93\u5206\u8868\u540e\u7531\u4e8e\u8868\u5206\u5e03\u5728\u4e0d\u540c\u5e93\u4e2d\uff0c\u4e0d\u53ef\u907f\u514d\u4f1a\u5e26\u6765\u8de8\u5e93\u4e8b\u52a1\u95ee\u9898\u3002\u540e\u7eed\u4f1a\u5206\u522b\u4ee5\u963f\u91cc\u7684<code>Seata<\/code>\u548cMySQL\u7684<code>XA<\/code>\u534f\u8bae\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\uff0c\u7528\u6765\u6bd4\u8f83\u5404\u81ea\u7684\u4f18\u52bf\u4e0e\u4e0d\u8db3\u3002<\/p>\n<h3>\u5168\u5c40\u552f\u4e00\u7684\u4e3b\u952e<\/h3>\n<p>\u5206\u5e93\u5206\u8868\u540e\u6570\u636e\u5e93\u8868\u7684\u4e3b\u952eID\u4e1a\u52a1\u610f\u4e49\u5c31\u4e0d\u5927\u4e86\uff0c\u56e0\u4e3a\u65e0\u6cd5\u5728\u6807\u8bc6\u552f\u4e00\u4e00\u6761\u8bb0\u5f55\uff0c\u4f8b\u5982\uff1a\u591a\u5f20\u8868<code>t_order_1<\/code>\u3001<code>t_order_2<\/code>\u7684\u4e3b\u952eID\u5168\u90e8\u4ece1\u5f00\u59cb\u4f1a\u91cd\u590d\uff0c\u6b64\u65f6\u6211\u4eec\u9700\u8981\u4e3b\u52a8\u4e3a\u4e00\u6761\u8bb0\u5f55\u5206\u914d\u4e00\u4e2aID\uff0c\u8fd9\u4e2a\u5168\u5c40\u552f\u4e00\u7684ID\u5c31\u53eb<code>\u5206\u5e03\u5f0fID<\/code>\uff0c\u53d1\u653e\u8fd9\u4e2aID\u7684\u7cfb\u7edf\u901a\u5e38\u88ab\u53eb\u53d1\u53f7\u5668\u3002<\/p>\n<h3>\u591a\u6570\u636e\u5e93\u9ad8\u6548\u6cbb\u7406<\/h3>\n<p>\u5bf9\u591a\u4e2a\u6570\u636e\u5e93\u4ee5\u53ca\u5e93\u5185\u5927\u91cf\u5206\u7247\u8868\u7684\u9ad8\u6548\u6cbb\u7406\uff0c\u662f\u975e\u5e38\u6709\u5fc5\u8981\uff0c\u56e0\u4e3a\u50cf\u67d0\u5b9d\u8fd9\u79cd\u5927\u5382\u4e00\u6b21\u5927\u4fc3\u4e0b\u6765\uff0c\u8ba2\u5355\u8868\u53ef\u80fd\u4f1a\u88ab\u62c6\u5206\u6210\u6210\u5343\u4e0a\u4e07\u4e2a<code>t_order_n<\/code>\u8868\uff0c\u5982\u679c\u6ca1\u6709\u9ad8\u6548\u7684\u7ba1\u7406\u65b9\u6848\uff0c\u624b\u52a8\u5efa\u8868\u3001\u6392\u67e5\u95ee\u9898\u662f\u4e00\u4ef6\u5f88\u6050\u6016\u7684\u4e8b\u3002<\/p>\n<h3>\u5386\u53f2\u6570\u636e\u8fc1\u79fb<\/h3>\n<p>\u5206\u5e93\u5206\u8868\u67b6\u6784\u843d\u5730\u4ee5\u540e\uff0c\u9996\u8981\u7684\u95ee\u9898\u5c31\u662f\u5982\u4f55\u5e73\u6ed1\u7684\u8fc1\u79fb\u5386\u53f2\u6570\u636e\uff0c\u589e\u91cf\u6570\u636e\u548c\u5168\u91cf\u6570\u636e\u8fc1\u79fb\uff0c\u8fd9\u53c8\u662f\u4e00\u4e2a\u6bd4\u8f83\u9ebb\u70e6\u7684\u4e8b\u60c5\uff0c\u540e\u8fb9\u8be6\u7ec6\u8bb2\u3002<\/p>\n<h2>\u5206\u5e93\u5206\u8868\u67b6\u6784\u6a21\u5f0f<\/h2>\n<p>\u5206\u5e93\u5206\u8868\u67b6\u6784\u4e3b\u8981\u6709\u4e24\u79cd\u6a21\u5f0f\uff1a<code>client<\/code>\u5ba2\u6237\u7aef\u6a21\u5f0f\u548c<code>proxy<\/code>\u4ee3\u7406\u6a21\u5f0f<\/p>\n<h3>\u5ba2\u6237\u6a21\u5f0f<\/h3>\n<p><code>client<\/code>\u6a21\u5f0f\u6307\u5206\u5e93\u5206\u8868\u7684\u903b\u8f91\u90fd\u5728\u4f60\u7684\u7cfb\u7edf\u5e94\u7528\u5185\u90e8\u8fdb\u884c\u63a7\u5236\uff0c\u5e94\u7528\u4f1a\u5c06\u62c6\u5206\u540e\u7684SQL\u76f4\u8fde\u591a\u4e2a\u6570\u636e\u5e93\u8fdb\u884c\u64cd\u4f5c\uff0c\u7136\u540e\u672c\u5730\u8fdb\u884c\u6570\u636e\u7684\u5408\u5e76\u6c47\u603b\u7b49\u64cd\u4f5c\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897660\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>\u4ee3\u7406\u6a21\u5f0f<\/h3>\n<p><code>proxy<\/code>\u4ee3\u7406\u6a21\u5f0f\u5c06\u5e94\u7528\u7a0b\u5e8f\u4e0eMySQL\u6570\u636e\u5e93\u9694\u79bb\uff0c\u4e1a\u52a1\u65b9\u7684\u5e94\u7528\u4e0d\u5728\u9700\u8981\u76f4\u8fde\u6570\u636e\u5e93\uff0c\u800c\u662f\u8fde\u63a5proxy\u4ee3\u7406\u670d\u52a1\uff0c\u4ee3\u7406\u670d\u52a1\u5b9e\u73b0\u4e86MySQL\u7684\u534f\u8bae\uff0c\u5bf9\u4e1a\u52a1\u65b9\u6765\u8bf4\u4ee3\u7406\u670d\u52a1\u5c31\u662f\u6570\u636e\u5e93\uff0c\u5b83\u4f1a\u5c06SQL\u5206\u53d1\u5230\u5177\u4f53\u7684\u6570\u636e\u5e93\u8fdb\u884c\u6267\u884c\uff0c\u5e76\u8fd4\u56de\u7ed3\u679c\u3002\u8be5\u670d\u52a1\u5185\u6709\u5206\u5e93\u5206\u8868\u7684\u914d\u7f6e\uff0c\u6839\u636e\u914d\u7f6e\u81ea\u52a8\u521b\u5efa\u5206\u7247\u8868\u3002<\/p>\n<p><img decoding=\"async\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000042897661\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>\u5982\u4f55\u6289\u62e9<\/h3>\n<p>\u5982\u4f55\u9009\u62e9<code>client<\/code>\u6a21\u5f0f\u548c<code>proxy<\/code>\u6a21\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u6765\u7b80\u5355\u505a\u4e0b\u6bd4\u8f83\u3002<\/p>\n<h4>1\u3001\u6027\u80fd<\/h4>\n<p>\u6027\u80fd\u65b9\u9762<code>client<\/code>\u6a21\u5f0f\u8868\u73b0\u7684\u7a0d\u597d\u4e00\u4e9b\uff0c\u5b83\u662f\u76f4\u63a5\u8fde\u63a5MySQL\u6267\u884c\u547d\u4ee4\uff1b<br \/><code>proxy<\/code>\u4ee3\u7406\u670d\u52a1\u5219\u5c06\u6574\u4e2a\u6267\u884c\u94fe\u8def\u5ef6\u957f\u4e86\uff0c\u5e94\u7528-&gt;\u4ee3\u7406\u670d\u52a1-&gt;MySQL\uff0c\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u6709\u4e00\u4e9b\u635f\u8017\uff0c\u4f46\u4e24\u8005\u5dee\u8ddd\u5e76\u4e0d\u662f\u975e\u5e38\u5927\u3002<\/p>\n<h4>2\u3001\u590d\u6742\u5ea6<\/h4>\n<p><code>client<\/code>\u6a21\u5f0f\u5728\u5f00\u53d1\u4f7f\u7528\u901a\u5e38\u5f15\u5165\u4e00\u4e2ajar\u53ef\u4ee5\uff1b<br \/><code>proxy<\/code>\u4ee3\u7406\u6a21\u5f0f\u5219\u9700\u8981\u642d\u5efa\u5355\u72ec\u7684\u670d\u52a1\uff0c\u6709\u4e00\u5b9a\u7684\u7ef4\u62a4\u6210\u672c\uff0c\u65e2\u7136\u662f\u670d\u52a1\u90a3\u4e48\u5c31\u8981\u8003\u8651\u9ad8\u53ef\u7528\uff0c\u6bd5\u7adf\u5e94\u7528\u7684\u6240\u6709SQL\u90fd\u8981\u901a\u8fc7\u5b83\u8f6c\u53d1\u81f3MySQL\u3002<\/p>\n<h4>3\u3001\u5347\u7ea7<\/h4>\n<p><code>client<\/code>\u6a21\u5f0f\u5206\u5e93\u5206\u8868\u4e00\u822c\u662f\u4f9d\u8d56\u57fa\u7840\u67b6\u6784\u56e2\u961f\u7684Jar\u5305\uff0c\u4e00\u65e6\u6709\u7248\u672c\u5347\u7ea7\u6216\u8005Bug\u4fee\u6539\uff0c\u6240\u6709\u5e94\u7528\u5230\u7684\u9879\u76ee\u90fd\u8981\u8ddf\u7740\u5347\u7ea7\u3002\u5c0f\u89c4\u6a21\u7684\u56e2\u961f\u670d\u52a1\u5c11\u5347\u7ea7\u95ee\u9898\u4e0d\u5927\uff0c\u5982\u679c\u662f\u5927\u516c\u53f8\u670d\u52a1\u89c4\u6a21\u5927\uff0c\u4e14\u6d89\u53ca\u5230\u8de8\u591a\u90e8\u95e8\uff0c\u90a3\u4e48\u5347\u7ea7\u4e00\u6b21\u6210\u672c\u5c31\u6bd4\u8f83\u9ad8\uff1b<\/p>\n<p><code>proxy<\/code>\u6a21\u5f0f\u5728\u5347\u7ea7\u65b9\u9762\u4f18\u52bf\u5f88\u660e\u663e\uff0c\u53d1\u5e03\u65b0\u529f\u80fd\u6216\u8005\u4fee\u590dBug\uff0c\u53ea\u8981\u91cd\u65b0\u90e8\u7f72\u4ee3\u7406\u670d\u52a1\u96c6\u7fa4\u5373\u53ef\uff0c\u4e1a\u52a1\u65b9\u662f\u65e0\u611f\u77e5\u7684\uff0c\u4f46\u8981\u4fdd\u8bc1\u53d1\u5e03\u8fc7\u7a0b\u4e2d\u670d\u52a1\u7684\u53ef\u7528\u6027\u3002<\/p>\n<h4>4\u3001\u6cbb\u7406\u3001\u76d1\u63a7<\/h4>\n<p><code>client<\/code>\u6a21\u5f0f\u7531\u4e8e\u662f\u5185\u5d4c\u5728\u5e94\u7528\u5185\uff0c\u5e94\u7528\u96c6\u7fa4\u90e8\u7f72\u4e0d\u592a\u65b9\u4fbf\u7edf\u4e00\u5904\u7406\uff1b<code>proxy<\/code>\u6a21\u5f0f\u5728\u5bf9SQL\u9650\u6d41\u3001\u8bfb\u5199\u6743\u9650\u63a7\u5236\u3001\u76d1\u63a7\u3001\u544a\u8b66\u7b49\u670d\u52a1\u6cbb\u7406\u65b9\u9762\u66f4\u4f18\u96c5\u4e00\u4e9b\u3002<\/p>\n<h2>\u7ed3\u675f\u8bed<\/h2>\n<p>\u672c\u6587\u4e3b\u8981\u662f\u56de\u987e\u4e00\u4e0b\u5206\u5e93\u5206\u8868\u7684\u4e00\u4e9b\u57fa\u7840\u6982\u5ff5\uff0c\u4e3a\u5927\u5bb6\u5728\u540e\u7eed<code>ShardingSphere<\/code>\u5b9e\u8df5\u4e2d\u66f4\u597d\u4e0a\u624b\u7406\u89e3\uff0c\u5185\u5bb9\u91cc\u5f88\u591a\u6982\u5ff5\u4e00\u7b14\u5e26\u8fc7\u6ca1\u8be6\u7ec6\u5c55\u5f00\uff0c\u63a5\u4e0b\u6765\u7684\u7bc7\u5e45\u4f1a\u9010\u4e00\u89e3\u8bfb\u3002<\/p>\n<p>\u4e0b\u4e00\u7bc7\u9884\u544a\u300a\u5206\u5e93\u5206\u8868ShardingSphere\u7684\u57fa\u7840\u77e5\u8bc6\u70b9\u68b3\u7406\u300b<\/p>\n<p>\u6b22\u8fce\u5173\u6ce8 <strong>\u516c\u4f17\u53f7\uff1a\u7a0b\u5e8f\u5458\u5c0f\u5bcc<\/strong>\uff0c\u54b1\u4eec\u4e0b\u671f\u518d\u89c1\uff01<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000042897642\">https:\/\/segmentfault.com\/a\/1190000042897642<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5927\u5bb6\u597d\uff0c\u6211\u662f\u5c0f\u5bcc\uff5e \u8bf4\u5728\u524d\u8fb9 \u4eca\u5929\u662f\u300a\u5206\u5e93\u5206\u8868 ShardingSphere \u539f\u7406\u4e0e\u5b9e\u6218\u300b\u7cfb\u5217\u7684\u5f00\u7bc7\u6587\u7ae0\uff0c\u4e4b\u524d [&hellip;]<\/p>\n","protected":false},"author":1,"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-10006912","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\/10006912","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006912"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006912\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}