{"id":1703,"date":"2025-05-26T16:49:17","date_gmt":"2025-05-26T08:49:17","guid":{"rendered":"https:\/\/minglelu.cn\/?p=1703"},"modified":"2025-12-17T09:53:31","modified_gmt":"2025-12-17T01:53:31","slug":"proxysql-%e5%a4%9a%e4%b8%9a%e5%8a%a1%e6%8e%a5%e5%8f%a3%e4%b8%8e%e5%8a%9f%e8%83%bd%e9%85%8d%e7%bd%ae%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/minglelu.cn\/index.php\/2025\/05\/26\/1703\/","title":{"rendered":"ProxySQL \u591a\u4e1a\u52a1\u63a5\u53e3\u4e0e\u529f\u80fd\u914d\u7f6e\u6307\u5357"},"content":{"rendered":"\n
ProxySQL \u591a\u4e1a\u52a1\u63a5\u53e3\u914d\u7f6e\u6307\u5357<\/summary>\n
\n
\n
\n
\n
\n
\n

ProxySQL \u662f\u4e00\u6b3e\u529f\u80fd\u5f3a\u5927\u7684\u9ad8\u6027\u80fdMySQL\u4ee3\u7406\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u7075\u6d3b\u7684\u914d\u7f6e\u6765\u7ba1\u7406\u548c\u8def\u7531\u6570\u636e\u5e93\u6d41\u91cf\u3002\u5176\u4e2d\u4e00\u9879\u91cd\u8981\u7684\u529f\u80fd\u662f\u652f\u6301\u76d1\u542c\u591a\u4e2a\u7f51\u7edc\u63a5\u53e3\u548c\u7aef\u53e3\uff0c\u4ece\u800c\u4e3a\u4e0d\u540c\u7684\u5e94\u7528\u6216\u4e1a\u52a1\u573a\u666f\u63d0\u4f9b\u72ec\u7acb\u7684\u8fde\u63a5\u63a5\u5165\u70b9\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728ProxySQL\u4e2d\u914d\u7f6e\u548c\u542f\u7528\u591a\u4e2a\u4e1a\u52a1\u63a5\u53e3\u3002<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n

\u6838\u5fc3\u914d\u7f6e\u53c2\u6570\uff1amysql-interfaces<\/strong><\/p>\n\n\n\n

ProxySQL\u901a\u8fc7\u5168\u5c40\u53d8\u91cf mysql-interfaces \u6765\u5b9a\u4e49\u5176\u76d1\u542c\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u8bf7\u6c42\u7684\u7f51\u7edc\u63a5\u53e3\u548c\u7aef\u53e3\u3002\u8fd9\u4e2a\u53d8\u91cf\u63a5\u53d7\u4e00\u4e2a\u4ee5\u5206\u53f7\u5206\u9694\u7684\u5b57\u7b26\u4e32\u5217\u8868\uff0c\u6bcf\u4e2a\u5b57\u7b26\u4e32\u4ee3\u8868\u4e00\u4e2a IP\u5730\u5740:\u7aef\u53e3\u53f7 \u7684\u7ec4\u5408\u3002\u4f8b\u5982\uff0c\u914d\u7f6eProxySQL\u540c\u65f6\u76d1\u542c\u672c\u5730\u6240\u6709IP\u5730\u5740\u76846033\u7aef\u53e3\u548c6034\u7aef\u53e3\uff0c\u53ef\u4ee5\u5c06 mysql-interfaces \u8bbe\u7f6e\u4e3a “0.0.0.0:6033;0.0.0.0:6034″\u3002\u5982\u679c\u5e0c\u671b\u76d1\u542c\u7279\u5b9a\u7684IP\u5730\u5740\uff0c\u4e5f\u53ef\u4ee5\u8fdb\u884c\u76f8\u5e94\u914d\u7f6e\uff0c\u5982 “192.168.1.100:6033;10.0.0.10:6034″\u3002<\/p>\n<\/div><\/div>\n\n\n\n

\u9700\u8981\u7279\u522b\u6ce8\u610f\u7684\u662f\uff0cmysql-interfaces \u662f\u5c11\u6570\u51e0\u4e2a\u5728\u8fd0\u884c\u65f6\u65e0\u6cd5\u52a8\u6001\u4fee\u6539\u7684\u5168\u5c40\u53d8\u91cf\u4e4b\u4e00\u3002\u5bf9\u5176\u8fdb\u884c\u66f4\u6539\u540e\uff0c\u5fc5\u987b\u91cd\u542fProxySQL\u670d\u52a1\u624d\u80fd\u4f7f\u65b0\u7684\u914d\u7f6e\u751f\u6548\u3002<\/p>\n\n\n\n

\u914d\u7f6e\u6b65\u9aa4\u8be6\u89e3<\/strong><\/p>\n\n\n\n

\u4ee5\u4e0b\u6b65\u9aa4\u5c06\u6307\u5bfc\u60a8\u5982\u4f55\u901a\u8fc7ProxySQL\u7684\u7ba1\u7406\u63a5\u53e3\u6765\u914d\u7f6e\u591a\u4e2a\u4e1a\u52a1\u63a5\u53e3\uff1a<\/p>\n\n\n\n

    \n
  1. \u8fde\u63a5\u5230ProxySQL\u7ba1\u7406\u63a5\u53e3<\/strong>\uff1a \u9996\u5148\uff0c\u60a8\u9700\u8981\u4f7f\u7528MySQL\u5ba2\u6237\u7aef\u8fde\u63a5\u5230ProxySQL\u7684\u7ba1\u7406\u63a5\u53e3\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u7ba1\u7406\u63a5\u53e3\u76d1\u542c\u57286032\u7aef\u53e3\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u7c7b\u4f3c\u5982\u4e0b\u7684\u547d\u4ee4\u8fdb\u884c\u8fde\u63a5\uff08\u8bf7\u6839\u636e\u60a8\u7684\u5b9e\u9645\u7528\u6237\u540d\u548c\u5bc6\u7801\u8fdb\u884c\u66ff\u6362\uff09\uff1a<\/li>\n<\/ol>\n\n\n\n

    mysql -u admin -padmin_password -h 127.0.0.1 -P 6032 –prompt=’ProxySQLAdmin> ‘<\/p>\n\n\n\n

      \n
    • \u8bbe\u7f6e mysql-interfaces \u53d8\u91cf<\/strong>\uff1a \u8fde\u63a5\u6210\u529f\u540e\uff0c\u901a\u8fc7 SET \u547d\u4ee4\u4fee\u6539 mysql-interfaces \u5168\u5c40\u53d8\u91cf\u7684\u503c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u5e0c\u671bProxySQL\u76d1\u542c\u5728\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u76846033\u7aef\u53e3\u548c6034\u7aef\u53e3\uff0c\u53ef\u4ee5\u6267\u884c\uff1a<\/li>\n<\/ul>\n\n\n\n

      SET mysql-interfaces=’0.0.0.0:6033;0.0.0.0:6034′;<\/p>\n\n\n\n

      \u6216\u8005\uff0c\u5982\u679c\u60a8\u53ea\u60f3\u5728\u7279\u5b9a\u7684IP\u5730\u5740\u4e0a\u76d1\u542c\uff0c\u4f8b\u5982 192.168.0.100 \u7684 3306 \u548c 3307 \u7aef\u53e3\uff1a<\/p>\n\n\n\n

      SET mysql-interfaces=’192.168.0.100:3306;192.168.0.100:3307′;<\/p>\n\n\n\n

        \n
      • \u4fdd\u5b58\u914d\u7f6e\u5230\u78c1\u76d8<\/strong>\uff1a \u4e3a\u4e86\u786e\u4fddProxySQL\u91cd\u542f\u540e\u914d\u7f6e\u4f9d\u7136\u751f\u6548\uff0c\u9700\u8981\u5c06\u5f53\u524d\u7684\u8fd0\u884c\u65f6\u914d\u7f6e\u4fdd\u5b58\u5230\u78c1\u76d8\u3002\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/li>\n<\/ul>\n\n\n\n

        SAVE MYSQL VARIABLES TO DISK;<\/p>\n\n\n\n

          \n
        • \u91cd\u542fProxySQL\u670d\u52a1<\/strong>\uff1a \u5982\u524d\u6240\u8ff0\uff0cmysql-interfaces \u7684\u66f4\u6539\u9700\u8981\u91cd\u542fProxySQL\u624d\u80fd\u751f\u6548\u3002\u5728\u7ba1\u7406\u63a5\u53e3\u4e2d\u6267\u884c\uff1a<\/li>\n<\/ul>\n\n\n\n

          PROXYSQL RESTART;<\/p>\n\n\n\n

          \u6216\u8005\uff0c\u60a8\u4e5f\u53ef\u4ee5\u901a\u8fc7\u64cd\u4f5c\u7cfb\u7edf\u7684\u670d\u52a1\u7ba1\u7406\u5de5\u5177\uff08\u5982 systemctl restart proxysql\uff09\u6765\u91cd\u542fProxySQL\u8fdb\u7a0b\u3002<\/p>\n\n\n\n

          \u57fa\u4e8e\u7aef\u53e3\u7684\u6d41\u91cf\u8def\u7531<\/strong><\/p>\n\n\n\n

          \u914d\u7f6e\u4e86\u591a\u4e2a\u4e1a\u52a1\u63a5\u53e3\u540e\uff0c\u60a8\u53ef\u80fd\u5e0c\u671b\u5c06\u6765\u81ea\u4e0d\u540c\u7aef\u53e3\u7684\u8fde\u63a5\u8bf7\u6c42\u8def\u7531\u5230\u4e0d\u540c\u7684\u540e\u7aefMySQL\u670d\u52a1\u5668\u96c6\u7fa4\uff08Hostgroups\uff09\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u5728 mysql_query_rules \u8868\u4e2d\u5b9a\u4e49\u89c4\u5219\uff0c\u5e76\u5229\u7528 proxy_port \u5b57\u6bb5\u6765\u5b9e\u73b0\u3002<\/p>\n\n\n\n

          \u4f8b\u5982\uff0c\u5047\u8bbe\u60a8\u5df2\u7ecf\u914d\u7f6e\u4e86\u4e24\u4e2a\u540e\u7aef\u4e3b\u673a\u7ec4\uff1ahostgroup 1 \u7528\u4e8e\u5199\u64cd\u4f5c\uff0chostgroup 2 \u7528\u4e8e\u8bfb\u64cd\u4f5c\u3002\u73b0\u5728\uff0c\u60a8\u5e0c\u671b\u6240\u6709\u901a\u8fc7 6033 \u7aef\u53e3\u8fdb\u6765\u7684\u8fde\u63a5\u90fd\u8def\u7531\u5230 hostgroup 1\uff0c\u6240\u6709\u901a\u8fc7 6034 \u7aef\u53e3\u8fdb\u6765\u7684\u8fde\u63a5\u90fd\u8def\u7531\u5230 hostgroup 2\u3002\u53ef\u4ee5\u63d2\u5165\u5982\u4e0b\u67e5\u8be2\u89c4\u5219\uff1a<\/p>\n\n\n\n

          INSERT INTO mysql_query_rules (rule_id, active, proxy_port, destination_hostgroup, apply) VALUES
          (10, 1, 6033, 1, 1),
          (20, 1, 6034, 2, 1);<\/p>\n\n\n\n

            \n
          • rule_id: \u89c4\u5219\u7684\u552f\u4e00\u6807\u8bc6\u3002<\/li>\n\n\n\n
          • active: \u8bbe\u7f6e\u4e3a1\u8868\u793a\u542f\u7528\u8be5\u89c4\u5219\u3002<\/li>\n\n\n\n
          • proxy_port: \u6307\u5b9a\u8be5\u89c4\u5219\u5e94\u7528\u4e8e\u54ea\u4e2aProxySQL\u76d1\u542c\u7aef\u53e3\u7684\u6d41\u91cf\u3002<\/li>\n\n\n\n
          • destination_hostgroup: \u6307\u5b9a\u5339\u914d\u8be5\u89c4\u5219\u7684\u6d41\u91cf\u5c06\u88ab\u8def\u7531\u5230\u7684\u76ee\u6807\u4e3b\u673a\u7ec4ID\u3002<\/li>\n\n\n\n
          • apply: \u8bbe\u7f6e\u4e3a1\u8868\u793a\u5e94\u7528\u8be5\u89c4\u5219\u5e76\u505c\u6b62\u5904\u7406\u540e\u7eed\u89c4\u5219\uff08\u5bf9\u4e8e\u8fd9\u79cd\u660e\u786e\u7684\u7aef\u53e3\u8def\u7531\u573a\u666f\uff09\u3002<\/li>\n<\/ul>\n\n\n\n

            \u63d2\u5165\u89c4\u5219\u540e\uff0c\u9700\u8981\u5c06\u89c4\u5219\u52a0\u8f7d\u5230\u8fd0\u884c\u65f6\u5e76\u4fdd\u5b58\u5230\u78c1\u76d8\uff1a<\/p>\n\n\n\n

            LOAD MYSQL QUERY RULES TO RUNTIME;
            SAVE MYSQL QUERY RULES TO DISK;<\/p>\n\n\n\n

            \u6ce8\u610f\u4e8b\u9879\u4e0e\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n\n\n\n

              \n
            • \u9002\u7528\u573a\u666f<\/strong>\uff1a\u914d\u7f6e\u591a\u4e2a\u4e1a\u52a1\u63a5\u53e3\u5728\u4ee5\u4e0b\u573a\u666f\u4e2d\u975e\u5e38\u6709\u7528\uff1a
              • \u4e3a\u4e0d\u540c\u7684\u5e94\u7528\u7a0b\u5e8f\u6216\u670d\u52a1\u63d0\u4f9b\u9694\u79bb\u7684\u6570\u636e\u5e93\u63a5\u5165\u70b9\u3002<\/li><\/ul>
                • \u5b9e\u73b0\u57fa\u4e8e\u7aef\u53e3\u7684\u8bfb\u5199\u5206\u79bb\uff0c\u5e94\u7528\u5c42\u53ef\u4ee5\u76f4\u63a5\u8fde\u63a5\u5230\u4e0d\u540c\u7684\u7aef\u53e3\u6765\u533a\u5206\u8bfb\u5199\u8bf7\u6c42\u3002<\/li><\/ul>\n
                    \n
                  • \u5728\u8fc1\u79fb\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u9010\u6b65\u5c06\u5e94\u7528\u5207\u6362\u5230\u65b0\u7684\u7aef\u53e3\uff0c\u800c\u65e7\u7aef\u53e3\u4ecd\u7136\u53ef\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                  • \u7aef\u53e3\u6570\u91cf\u7ba1\u7406<\/strong>\uff1a\u867d\u7136ProxySQL\u652f\u6301\u914d\u7f6e\u591a\u4e2a\u76d1\u542c\u7aef\u53e3\uff0c\u4f46\u8fc7\u591a\u7684\u7aef\u53e3\u53ef\u80fd\u4f1a\u589e\u52a0\u7ba1\u7406\u7684\u590d\u6742\u6027\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4f8b\u5982\u9700\u8981\u4e3a\u5927\u91cf\u4e0d\u540c\u7684\u6570\u636e\u5e93\uff08schemas\uff09\u63d0\u4f9b\u8def\u7531\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5355\u4e00\u76d1\u542c\u7aef\u53e3\uff0c\u5e76\u7ed3\u5408 mysql_query_rules_fast_routing \u8868\u57fa\u4e8e schemaname \u8fdb\u884c\u8def\u7531\uff0c\u6216\u8005\u4f7f\u7528\u66f4\u590d\u6742\u7684\u67e5\u8be2\u89c4\u5219\u6765\u533a\u5206\u6d41\u91cf\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u7b80\u5316\u5ba2\u6237\u7aef\u914d\u7f6e\uff0c\u5e76\u5c06\u8def\u7531\u903b\u8f91\u96c6\u4e2d\u5728ProxySQL\u5185\u90e8\u3002<\/li>\n\n\n\n
                  • IP\u5730\u5740\u7ed1\u5b9a<\/strong>\uff1a\u4f7f\u7528 0.0.0.0 \u4f1a\u4f7fProxySQL\u76d1\u542c\u5728\u6240\u6709\u53ef\u7528\u7684\u7f51\u7edc\u63a5\u53e3\u4e0a\u3002\u5982\u679c\u60a8\u7684\u670d\u52a1\u5668\u6709\u591a\u4e2a\u7f51\u7edc\u63a5\u53e3\uff0c\u800c\u60a8\u53ea\u60f3\u8ba9ProxySQL\u5728\u7279\u5b9a\u7684\u63a5\u53e3\u4e0a\u63d0\u4f9b\u670d\u52a1\uff0c\u8bf7\u660e\u786e\u6307\u5b9a\u8be5\u63a5\u53e3\u7684IP\u5730\u5740\u3002<\/li>\n\n\n\n
                  • \u9632\u706b\u5899\u914d\u7f6e<\/strong>\uff1a\u786e\u4fdd\u60a8\u7684\u9632\u706b\u5899\u89c4\u5219\u5141\u8bb8\u5916\u90e8\u8fde\u63a5\u5230\u60a8\u5728 mysql-interfaces \u4e2d\u914d\u7f6e\u7684\u6240\u6709\u65b0\u7aef\u53e3\u3002<\/li>\n\n\n\n
                  • \u76d1\u63a7\u4e0e\u6d4b\u8bd5<\/strong>\uff1a\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u52a1\u5fc5\u4ece\u5ba2\u6237\u7aef\u6d4b\u8bd5\u8fde\u63a5\u5230\u6240\u6709\u65b0\u914d\u7f6e\u7684\u4e1a\u52a1\u63a5\u53e3\uff0c\u5e76\u9a8c\u8bc1\u6d41\u91cf\u662f\u5426\u6309\u7167\u9884\u671f\u8def\u7531\u5230\u6b63\u786e\u7684\u540e\u7aef\u4e3b\u673a\u7ec4\u3002<\/li>\n<\/ul>\n\n\n\n

                    \u603b\u7ed3<\/strong><\/p>\n\n\n\n

                    ProxySQL\u901a\u8fc7 mysql-interfaces \u53c2\u6570\u548c\u7075\u6d3b\u7684\u67e5\u8be2\u89c4\u5219\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u591a\u4e1a\u52a1\u63a5\u53e3\u914d\u7f6e\u80fd\u529b\u3002\u901a\u8fc7\u5408\u7406\u89c4\u5212\u548c\u914d\u7f6e\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u4e0d\u540c\u6765\u6e90\u7684\u6570\u636e\u5e93\u8fde\u63a5\u8bf7\u6c42\uff0c\u5b9e\u73b0\u6d41\u91cf\u9694\u79bb\u3001\u8bfb\u5199\u5206\u79bb\u4ee5\u53ca\u66f4\u7cbe\u7ec6\u5316\u7684\u8def\u7531\u63a7\u5236\u3002\u8bb0\u4f4f\uff0c\u5bf9 mysql-interfaces \u7684\u4fee\u6539\u9700\u8981\u91cd\u542fProxySQL\u670d\u52a1\uff0c\u5e76\u5728\u914d\u7f6e\u540e\u8fdb\u884c\u5145\u5206\u7684\u6d4b\u8bd5\u4ee5\u786e\u4fdd\u5176\u6309\u9884\u671f\u5de5\u4f5c\u3002<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n<\/details>\n\n\n\n

                    ProxySQL \u76d1\u63a7\u6545\u969c\u6392\u67e5\u4e0e\u89e3\u51b3\u6307\u5357
                    <\/summary>\n

                    ProxySQL \u5168\u9762\u6545\u969c\u6392\u67e5\u4e0e\u89e3\u51b3\u6307\u5357<\/h1>\n\n\n\n

                    ProxySQL \u4f5c\u4e3a\u4e00\u6b3e\u5f3a\u5927\u7684 MySQL \u4ee3\u7406\u5de5\u5177\uff0c\u5728\u9ad8\u53ef\u7528\u67b6\u6784\u4e2d\u626e\u6f14\u7740\u81f3\u5173\u91cd\u8981\u7684\u89d2\u8272\u3002\u7136\u800c\uff0c\u5728\u5b9e\u9645\u8fd0\u7ef4\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u95ee\u9898\uff0c\u5982\u540e\u7aef\u670d\u52a1\u5668\u72b6\u6001\u76d1\u63a7\u5f02\u5e38\u3001\u8fde\u63a5\u6c60\u95ee\u9898\u3001\u67e5\u8be2\u8def\u7531\u5931\u6548\u7b49\u3002\u672c\u6307\u5357\u63d0\u4f9b\u4e86\u4e00\u5957\u7cfb\u7edf\u5316\u7684 ProxySQL \u6545\u969c\u6392\u67e5\u65b9\u6cd5\uff0c\u5e2e\u52a9\u60a8\u5feb\u901f\u5b9a\u4f4d\u548c\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n\n\n\n

                    \u6392\u67e5\u6d41\u7a0b\u6982\u89c8<\/h2>\n\n\n\n

                    ProxySQL \u6545\u969c\u6392\u67e5\u5e94\u9075\u5faa\u4ee5\u4e0b\u57fa\u672c\u6d41\u7a0b\uff1a<\/p>\n\n\n\n

                      \n
                    1. \u57fa\u7840\u72b6\u6001\u68c0\u67e5<\/strong>\uff1a\u9a8c\u8bc1 ProxySQL \u8fdb\u7a0b\u72b6\u6001\u548c\u57fa\u672c\u8fde\u901a\u6027<\/li>\n\n\n\n
                    2. \u540e\u7aef\u670d\u52a1\u5668\u72b6\u6001\u68c0\u67e5<\/strong>\uff1a\u68c0\u67e5 MySQL \u670d\u52a1\u5668\u5728 ProxySQL \u4e2d\u7684\u72b6\u6001<\/li>\n\n\n\n
                    3. \u76d1\u63a7\u6a21\u5757\u68c0\u67e5<\/strong>\uff1a\u9a8c\u8bc1\u5065\u5eb7\u68c0\u67e5\u673a\u5236\u662f\u5426\u6b63\u5e38\u5de5\u4f5c<\/li>\n\n\n\n
                    4. \u8fde\u63a5\u6c60\u72b6\u6001\u5206\u6790<\/strong>\uff1a\u68c0\u67e5\u8fde\u63a5\u6c60\u4f7f\u7528\u60c5\u51b5\u548c\u9519\u8bef\u7edf\u8ba1<\/li>\n\n\n\n
                    5. \u67e5\u8be2\u8def\u7531\u4e0e\u89c4\u5219\u68c0\u67e5<\/strong>\uff1a\u9a8c\u8bc1\u67e5\u8be2\u8def\u7531\u89c4\u5219\u662f\u5426\u6b63\u786e\u5e94\u7528<\/li>\n\n\n\n
                    6. \u65e5\u5fd7\u5206\u6790<\/strong>\uff1a\u68c0\u67e5 ProxySQL \u65e5\u5fd7\u548c\u76d1\u63a7\u65e5\u5fd7<\/li>\n\n\n\n
                    7. \u914d\u7f6e\u4e00\u81f4\u6027\u68c0\u67e5<\/strong>\uff1a\u786e\u8ba4\u914d\u7f6e\u5728\u5185\u5b58\u3001\u8fd0\u884c\u65f6\u548c\u78c1\u76d8\u95f4\u7684\u4e00\u81f4\u6027<\/li>\n\n\n\n
                    8. \u6027\u80fd\u6307\u6807\u5206\u6790<\/strong>\uff1a\u68c0\u67e5\u5173\u952e\u6027\u80fd\u6307\u6807<\/li>\n\n\n\n
                    9. \u89e3\u51b3\u65b9\u6848\u5b9e\u65bd<\/strong>\uff1a\u5e94\u7528\u9488\u5bf9\u6027\u89e3\u51b3\u65b9\u6848<\/li>\n\n\n\n
                    10. \u9a8c\u8bc1\u4e0e\u76d1\u63a7<\/strong>\uff1a\u9a8c\u8bc1\u89e3\u51b3\u65b9\u6848\u6548\u679c\u5e76\u6301\u7eed\u76d1\u63a7<\/li>\n<\/ol>\n\n\n\n

                      1. \u57fa\u7840\u72b6\u6001\u68c0\u67e5<\/h2>\n\n\n\n

                      1.1 ProxySQL \u8fdb\u7a0b\u72b6\u6001\u68c0\u67e5<\/h3>\n\n\n\n
                      # \u68c0\u67e5 ProxySQL \u8fdb\u7a0b\u662f\u5426\u8fd0\u884c
                      ps aux | grep proxysql
                      \u200b
                      # \u68c0\u67e5 ProxySQL \u670d\u52a1\u72b6\u6001\uff08\u5982\u679c\u4f7f\u7528 systemd\uff09
                      systemctl status proxysql
                      \u200b
                      # \u68c0\u67e5 ProxySQL \u76d1\u542c\u7aef\u53e3
                      netstat -tlnp | grep proxysql
                      # \u6216
                      ss -tlnp | grep proxysql<\/pre>\n\n\n\n
                      \u8bf4\u660e<\/strong>\uff1a\u9996\u5148\u786e\u8ba4 ProxySQL \u8fdb\u7a0b\u662f\u5426\u6b63\u5e38\u8fd0\u884c\u3002\u901a\u5e38\uff0cProxySQL \u4f1a\u76d1\u542c\u591a\u4e2a\u7aef\u53e3\uff1a<\/p>\n\n\n\n
                        \n
                      • \u9ed8\u8ba4 MySQL \u5ba2\u6237\u7aef\u7aef\u53e3\uff1a6033<\/li>\n\n\n\n
                      • \u7ba1\u7406\u63a5\u53e3\u7aef\u53e3\uff1a6032<\/li>\n\n\n\n
                      • \u53ef\u80fd\u7684\u5176\u4ed6\u81ea\u5b9a\u4e49\u7aef\u53e3<\/li>\n<\/ul>\n\n\n\n
                        1.2 \u57fa\u672c\u8fde\u901a\u6027\u6d4b\u8bd5<\/h3>\n\n\n\n
                        # \u6d4b\u8bd5\u7ba1\u7406\u63a5\u53e3\u8fde\u63a5
                        mysql -u admin -padmin -h 127.0.0.1 -P 6032 --prompt='ProxySQL Admin> '
                        \u200b
                        # \u6d4b\u8bd5\u5ba2\u6237\u7aef\u63a5\u53e3\u8fde\u63a5
                        mysql -u <\u7528\u6237\u540d> -p<\u5bc6\u7801> -h 127.0.0.1 -P 6033 --prompt='ProxySQL> '<\/pre>\n\n\n\n
                        \u8bf4\u660e<\/strong>\uff1a\u9a8c\u8bc1\u662f\u5426\u80fd\u6210\u529f\u8fde\u63a5\u5230 ProxySQL \u7684\u7ba1\u7406\u63a5\u53e3\u548c\u5ba2\u6237\u7aef\u63a5\u53e3\u3002\u5982\u679c\u8fde\u63a5\u5931\u8d25\uff0c\u53ef\u80fd\u662f ProxySQL \u8fdb\u7a0b\u95ee\u9898\u3001\u8ba4\u8bc1\u95ee\u9898\u6216\u7f51\u7edc\u95ee\u9898\u3002<\/p>\n\n\n\n
                        2. \u540e\u7aef\u670d\u52a1\u5668\u72b6\u6001\u68c0\u67e5<\/h2>\n\n\n\n
                        2.1 \u67e5\u770b\u540e\u7aef\u670d\u52a1\u5668\u914d\u7f6e\u548c\u72b6\u6001<\/h3>\n\n\n\n
                        -- \u5728 ProxySQL \u7ba1\u7406\u63a5\u53e3\u6267\u884c
                        SELECT hostgroup_id, hostname, port, status, weight, max_connections 
                        FROM mysql_servers;<\/pre>\n\n\n\n
                        \u8bf4\u660e<\/strong>\uff1a\u6b64\u547d\u4ee4\u663e\u793a\u6240\u6709\u914d\u7f6e\u7684\u540e\u7aef MySQL \u670d\u52a1\u5668\u53ca\u5176\u72b6\u6001\u3002\u5173\u6ce8 status<\/code> \u5217\uff0c\u53ef\u80fd\u7684\u503c\u5305\u62ec\uff1a<\/p>\n\n\n\n
                          \n
                        • ONLINE<\/code>\uff1a\u670d\u52a1\u5668\u6b63\u5e38\uff0c\u63a5\u6536\u6d41\u91cf<\/li>\n\n\n\n
                        • SHUNNED<\/code>\uff1a\u670d\u52a1\u5668\u6682\u65f6\u88ab\u9694\u79bb\uff08\u901a\u5e38\u56e0\u5065\u5eb7\u68c0\u67e5\u5931\u8d25\uff09<\/li>\n\n\n\n
                        • OFFLINE_SOFT<\/code>\uff1a\u670d\u52a1\u5668\u8f6f\u4e0b\u7ebf\uff0c\u4e0d\u63a5\u6536\u65b0\u8fde\u63a5\u4f46\u4fdd\u6301\u73b0\u6709\u8fde\u63a5<\/li>\n\n\n\n
                        • OFFLINE_HARD<\/code>\uff1a\u670d\u52a1\u5668\u786c\u4e0b\u7ebf\uff0c\u4e0d\u63a5\u6536\u65b0\u8fde\u63a5\u4e14\u65ad\u5f00\u73b0\u6709\u8fde\u63a5<\/li>\n<\/ul>\n\n\n\n
                          2.2 \u68c0\u67e5\u540e\u7aef\u670d\u52a1\u5668\u7f51\u7edc\u8fde\u901a\u6027<\/h3>\n\n\n\n
                          # \u4ece ProxySQL \u670d\u52a1\u5668\u6d4b\u8bd5\u5230\u540e\u7aef MySQL \u7684\u7f51\u7edc\u8fde\u901a\u6027
                          ping <mysql_hostname>
                          \u200b
                          # \u6d4b\u8bd5 MySQL \u7aef\u53e3\u8fde\u901a\u6027
                          telnet <mysql_hostname> <mysql_port>
                          # \u6216
                          nc -zv <mysql_hostname> <mysql_port><\/pre>\n\n\n\n
                          \u8bf4\u660e<\/strong>\uff1a\u9a8c\u8bc1 ProxySQL \u670d\u52a1\u5668\u662f\u5426\u80fd\u591f\u7f51\u7edc\u5c42\u9762\u8bbf\u95ee\u540e\u7aef MySQL \u670d\u52a1\u5668\u3002\u5982\u679c\u7f51\u7edc\u4e0d\u901a\uff0cProxySQL \u7684\u5065\u5eb7\u68c0\u67e5\u4e5f\u4f1a\u5931\u8d25\u3002<\/p>\n\n\n\n
                          2.3 \u76f4\u63a5\u8fde\u63a5\u540e\u7aef MySQL \u670d\u52a1\u5668<\/h3>\n\n\n\n
                          mysql -u <\u7528\u6237\u540d> -p<\u5bc6\u7801> -h <mysql_hostname> -P <mysql_port><\/pre>\n\n\n\n
                          \u8bf4\u660e<\/strong>\uff1a\u5c1d\u8bd5\u76f4\u63a5\u8fde\u63a5\u540e\u7aef MySQL \u670d\u52a1\u5668\uff0c\u9a8c\u8bc1 MySQL \u670d\u52a1\u662f\u5426\u6b63\u5e38\u8fd0\u884c\u4e14\u8ba4\u8bc1\u4fe1\u606f\u6b63\u786e\u3002<\/p>\n\n\n\n
                          3. \u76d1\u63a7\u6a21\u5757\u68c0\u67e5<\/h2>\n\n\n\n
                          3.1 \u68c0\u67e5\u76d1\u63a7\u6a21\u5757\u914d\u7f6e<\/h3>\n\n\n\n
                          -- \u67e5\u770b\u6240\u6709\u76d1\u63a7\u76f8\u5173\u53c2\u6570
                          SELECT variable_name, variable_value 
                          FROM global_variables 
                          WHERE variable_name LIKE 'mysql-monitor_%';<\/pre>\n\n\n\n
                          \u8bf4\u660e<\/strong>\uff1a\u68c0\u67e5\u76d1\u63a7\u6a21\u5757\u7684\u914d\u7f6e\u53c2\u6570\u3002\u7279\u522b\u5173\u6ce8\u4ee5\u4e0b\u5173\u952e\u53c2\u6570\uff1a<\/p>\n\n\n\n
                            \n
                          • mysql-monitor_enabled<\/code>\uff1a\u76d1\u63a7\u6a21\u5757\u662f\u5426\u542f\u7528\uff08\u5e94\u4e3a 1 \u6216 true\uff09<\/li>\n\n\n\n
                          • mysql-monitor_username<\/code> \u548c mysql-monitor_password<\/code>\uff1a\u7528\u4e8e\u5065\u5eb7\u68c0\u67e5\u7684\u51ed\u8bc1<\/li>\n\n\n\n
                          • mysql-monitor_connect_interval<\/code> \u548c mysql-monitor_connect_timeout<\/code>\uff1a\u8fde\u63a5\u68c0\u67e5\u7684\u9891\u7387\u548c\u8d85\u65f6<\/li>\n\n\n\n
                          • mysql-monitor_ping_interval<\/code> \u548c mysql-monitor_ping_timeout<\/code>\uff1aPING \u68c0\u67e5\u7684\u9891\u7387\u548c\u8d85\u65f6<\/li>\n\n\n\n
                          • mysql-monitor_ping_max_failures<\/code>\uff1a\u5c06\u670d\u52a1\u5668\u6807\u8bb0\u4e3a SHUNNED \u524d\u5141\u8bb8\u7684\u8fde\u7eed PING \u5931\u8d25\u6b21\u6570<\/li>\n<\/ul>\n\n\n\n
                            3.2 \u68c0\u67e5\u8fde\u63a5\u68c0\u67e5\u65e5\u5fd7<\/h3>\n\n\n\n
                            -- \u67e5\u770b\u6700\u8fd1\u7684\u8fde\u63a5\u68c0\u67e5\u65e5\u5fd7
                            SELECT hostname, port, time_start_us, connect_success_time_us, connect_error 
                            FROM monitor.mysql_server_connect_log 
                            ORDER BY time_start_us DESC 
                            LIMIT 20;
                            \u200b
                            -- \u9488\u5bf9\u7279\u5b9a\u670d\u52a1\u5668\u67e5\u770b\u8fde\u63a5\u68c0\u67e5\u65e5\u5fd7
                            SELECT hostname, port, time_start_us, connect_success_time_us, connect_error 
                            FROM monitor.mysql_server_connect_log 
                            WHERE hostname = '<mysql_hostname>' 
                            ORDER BY time_start_us DESC 
                            LIMIT 10;<\/pre>\n\n\n\n
                            \u8bf4\u660e<\/strong>\uff1a\u8fde\u63a5\u68c0\u67e5\u65e5\u5fd7\u8bb0\u5f55\u4e86 ProxySQL \u5c1d\u8bd5\u8fde\u63a5\u540e\u7aef\u670d\u52a1\u5668\u7684\u7ed3\u679c\u3002connect_success_time_us<\/code> \u4e3a 0 \u4e14 connect_error<\/code> \u4e0d\u4e3a NULL \u8868\u793a\u8fde\u63a5\u5931\u8d25\u3002\u5982\u679c\u6ca1\u6709\u7279\u5b9a\u670d\u52a1\u5668\u7684\u65e5\u5fd7\u8bb0\u5f55\uff0c\u53ef\u80fd\u662f\u76d1\u63a7\u6a21\u5757\u672a\u6b63\u786e\u914d\u7f6e\u6216\u672a\u8fd0\u884c\u3002<\/p>\n\n\n\n
                            3.3 \u68c0\u67e5 PING \u68c0\u67e5\u65e5\u5fd7<\/h3>\n\n\n\n
                            -- \u67e5\u770b\u6700\u8fd1\u7684 PING \u68c0\u67e5\u65e5\u5fd7
                            SELECT hostname, port, time_start_us, ping_success_time_us, ping_error 
                            FROM monitor.mysql_server_ping_log 
                            ORDER BY time_start_us DESC 
                            LIMIT 20;
                            \u200b
                            -- \u9488\u5bf9\u7279\u5b9a\u670d\u52a1\u5668\u67e5\u770b PING \u68c0\u67e5\u65e5\u5fd7
                            SELECT hostname, port, time_start_us, ping_success_time_us, ping_error 
                            FROM monitor.mysql_server_ping_log 
                            WHERE hostname = '<mysql_hostname>' 
                            ORDER BY time_start_us DESC 
                            LIMIT 10;<\/pre>\n\n\n\n
                            \u8bf4\u660e<\/strong>\uff1aPING \u68c0\u67e5\u65e5\u5fd7\u8bb0\u5f55\u4e86 ProxySQL \u5411\u540e\u7aef\u670d\u52a1\u5668\u53d1\u9001 MySQL PING \u547d\u4ee4\u7684\u7ed3\u679c\u3002ping_success_time_us<\/code> \u4e3a 0 \u4e14 ping_error<\/code> \u4e0d\u4e3a NULL \u8868\u793a PING \u5931\u8d25\u3002\u8fde\u7eed\u5931\u8d25\u8fbe\u5230 mysql-monitor_ping_max_failures<\/code> \u6b21\u4f1a\u89e6\u53d1\u670d\u52a1\u5668\u72b6\u6001\u53d8\u66f4\u3002<\/p>\n\n\n\n
                            3.4 \u68c0\u67e5\u590d\u5236\u5ef6\u8fdf\u68c0\u67e5\u65e5\u5fd7\uff08\u5982\u9002\u7528\uff09<\/h3>\n\n\n\n
                            -- \u67e5\u770b\u590d\u5236\u5ef6\u8fdf\u68c0\u67e5\u65e5\u5fd7
                            SELECT hostname, port, time_start_us, success_time_us, repl_lag, error 
                            FROM monitor.mysql_server_replication_lag_log 
                            ORDER BY time_start_us DESC 
                            LIMIT 10;<\/pre>\n\n\n\n
                            \u8bf4\u660e<\/strong>\uff1a\u5982\u679c\u914d\u7f6e\u4e86\u590d\u5236\u5ef6\u8fdf\u76d1\u63a7\uff08max_replication_lag<\/code> > 0\uff09\uff0c\u6b64\u65e5\u5fd7\u8bb0\u5f55\u590d\u5236\u5ef6\u8fdf\u68c0\u67e5\u7ed3\u679c\u3002<\/p>\n\n\n\n
                            3.5 \u68c0\u67e5\u53ea\u8bfb\u72b6\u6001\u68c0\u67e5\u65e5\u5fd7\uff08\u5982\u9002\u7528\uff09<\/h3>\n\n\n\n
                            -- \u67e5\u770b\u53ea\u8bfb\u72b6\u6001\u68c0\u67e5\u65e5\u5fd7
                            SELECT hostname, port, time_start_us, success_time_us, read_only, error 
                            FROM monitor.mysql_server_read_only_log 
                            ORDER BY time_start_us DESC 
                            LIMIT 10;<\/pre>\n\n\n\n
                            \u8bf4\u660e<\/strong>\uff1a\u5982\u679c\u914d\u7f6e\u4e86\u8bfb\u5199\u5206\u79bb\uff08\u4f7f\u7528 mysql_replication_hostgroups<\/code> \u8868\uff09\uff0c\u6b64\u65e5\u5fd7\u8bb0\u5f55\u53ea\u8bfb\u72b6\u6001\u68c0\u67e5\u7ed3\u679c\u3002<\/p>\n\n\n\n
                            4. \u8fde\u63a5\u6c60\u72b6\u6001\u5206\u6790<\/h2>\n\n\n\n
                            4.1 \u68c0\u67e5\u8fde\u63a5\u6c60\u7edf\u8ba1\u4fe1\u606f<\/h3>\n\n\n\n
                            -- \u67e5\u770b\u6240\u6709\u8fde\u63a5\u6c60\u72b6\u6001
                            SELECT * FROM stats.stats_mysql_connection_pool;
                            \u200b
                            -- \u9488\u5bf9\u7279\u5b9a\u4e3b\u673a\u7ec4\u548c\u670d\u52a1\u5668\u67e5\u770b\u8fde\u63a5\u6c60\u72b6\u6001
                            SELECT * FROM stats.stats_mysql_connection_pool 
                            WHERE hostgroup = <hostgroup_id> AND srv_host = '<mysql_hostname>';<\/pre>\n\n\n\n
                            \u8bf4\u660e<\/strong>\uff1a\u8fde\u63a5\u6c60\u7edf\u8ba1\u4fe1\u606f\u662f\u8bca\u65ad ProxySQL \u4e0e\u540e\u7aef\u670d\u52a1\u5668\u8fde\u63a5\u95ee\u9898\u7684\u5173\u952e\u3002\u7279\u522b\u5173\u6ce8\u4ee5\u4e0b\u5b57\u6bb5\uff1a<\/p>\n\n\n\n
                              \n
                            • status<\/code>\uff1a\u8fde\u63a5\u6c60\u72b6\u6001\uff0c\u53ef\u80fd\u4e0e mysql_servers<\/code> \u8868\u4e2d\u7684\u72b6\u6001\u4e0d\u540c\uff0c\u66f4\u76f4\u63a5\u53cd\u6620\u5b9e\u65f6\u8fde\u63a5\u51b3\u7b56<\/li>\n\n\n\n
                            • ConnUsed<\/code>\uff1a\u5f53\u524d\u4f7f\u7528\u4e2d\u7684\u8fde\u63a5\u6570<\/li>\n\n\n\n
                            • ConnFree<\/code>\uff1a\u5f53\u524d\u7a7a\u95f2\u7684\u8fde\u63a5\u6570<\/li>\n\n\n\n
                            • ConnOK<\/code>\uff1a\u6210\u529f\u5efa\u7acb\u7684\u8fde\u63a5\u603b\u6570<\/li>\n\n\n\n
                            • ConnERR<\/code>\uff1a\u8fde\u63a5\u9519\u8bef\u603b\u6570<\/li>\n\n\n\n
                            • Queries<\/code>\uff1a\u901a\u8fc7\u6b64\u8fde\u63a5\u6c60\u5904\u7406\u7684\u67e5\u8be2\u603b\u6570<\/li>\n<\/ul>\n\n\n\n
                              \u91cd\u8981<\/strong>\uff1astats.stats_mysql_connection_pool<\/code> \u4e2d\u7684 status<\/code> \u53ef\u80fd\u6bd4 mysql_servers<\/code> \u8868\u4e2d\u7684 status<\/code> \u66f4\u5feb\u53cd\u6620\u670d\u52a1\u5668\u7684\u5b9e\u9645\u72b6\u6001\u53d8\u5316\u3002\u4f8b\u5982\uff0c\u670d\u52a1\u5668\u53ef\u80fd\u5728 stats.stats_mysql_connection_pool<\/code> \u4e2d\u5df2\u6807\u8bb0\u4e3a SHUNNED<\/code>\uff0c\u4f46\u5728 mysql_servers<\/code> \u8868\u4e2d\u4ecd\u663e\u793a\u4e3a ONLINE<\/code>\u3002<\/p>\n\n\n\n
                              4.2 \u68c0\u67e5\u8fde\u63a5\u6c60\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/h3>\n\n\n\n
                              -- \u67e5\u770b\u8fde\u63a5\u6c60\u5185\u5b58\u4f7f\u7528\u60c5\u51b5
                              SELECT * FROM stats_memory_metrics WHERE variable_name LIKE '%connection_pool%';<\/pre>\n\n\n\n
                              \u8bf4\u660e<\/strong>\uff1a\u68c0\u67e5\u8fde\u63a5\u6c60\u76f8\u5173\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u6709\u52a9\u4e8e\u8bca\u65ad\u5185\u5b58\u538b\u529b\u95ee\u9898\u3002<\/p>\n\n\n\n
                              5. \u67e5\u8be2\u8def\u7531\u4e0e\u89c4\u5219\u68c0\u67e5<\/h2>\n\n\n\n
                              5.1 \u68c0\u67e5\u67e5\u8be2\u89c4\u5219\u914d\u7f6e<\/h3>\n\n\n\n
                              -- \u67e5\u770b\u6240\u6709\u67e5\u8be2\u89c4\u5219
                              SELECT rule_id, active, match_pattern, destination_hostgroup, apply 
                              FROM mysql_query_rules 
                              ORDER BY rule_id;<\/pre>\n\n\n\n
                              \u8bf4\u660e<\/strong>\uff1a\u68c0\u67e5\u67e5\u8be2\u8def\u7531\u89c4\u5219\u914d\u7f6e\uff0c\u786e\u8ba4\u89c4\u5219\u662f\u5426\u6b63\u786e\u8bbe\u7f6e\u4e14\u5904\u4e8e\u6fc0\u6d3b\u72b6\u6001\uff08active=1<\/code>\uff09\u3002<\/p>\n\n\n\n
                              5.2 \u68c0\u67e5\u67e5\u8be2\u5904\u7406\u5668\u7edf\u8ba1\u4fe1\u606f<\/h3>\n\n\n\n
                              -- \u67e5\u770b\u67e5\u8be2\u5904\u7406\u5668\u7edf\u8ba1\u4fe1\u606f
                              SELECT * FROM stats.stats_mysql_query_digest 
                              ORDER BY sum_time DESC 
                              LIMIT 10;<\/pre>\n\n\n\n
                              \u8bf4\u660e<\/strong>\uff1a\u67e5\u770b\u54ea\u4e9b\u67e5\u8be2\u88ab\u5904\u7406\u4ee5\u53ca\u5b83\u4eec\u7684\u6027\u80fd\u6307\u6807\uff0c\u6709\u52a9\u4e8e\u8bca\u65ad\u67e5\u8be2\u8def\u7531\u95ee\u9898\u3002<\/p>\n\n\n\n
                              5.3 \u68c0\u67e5\u67e5\u8be2\u89c4\u5219\u5e94\u7528\u60c5\u51b5<\/h3>\n\n\n\n
                              -- \u67e5\u770b\u67e5\u8be2\u89c4\u5219\u5e94\u7528\u60c5\u51b5
                              SELECT * FROM stats.stats_mysql_query_rules;<\/pre>\n\n\n\n
                              \u8bf4\u660e<\/strong>\uff1a\u68c0\u67e5\u5404\u67e5\u8be2\u89c4\u5219\u7684\u5339\u914d\u548c\u5e94\u7528\u6b21\u6570\uff0c\u9a8c\u8bc1\u89c4\u5219\u662f\u5426\u6309\u9884\u671f\u5de5\u4f5c\u3002<\/p>\n\n\n\n
                              6. \u65e5\u5fd7\u5206\u6790<\/h2>\n\n\n\n
                              6.1 \u68c0\u67e5 ProxySQL \u9519\u8bef\u65e5\u5fd7<\/h3>\n\n\n\n
                              # \u67e5\u770b ProxySQL \u65e5\u5fd7\u6587\u4ef6\uff08\u4f4d\u7f6e\u53ef\u80fd\u56e0\u5b89\u88c5\u65b9\u5f0f\u800c\u5f02\uff09
                              cat \/var\/lib\/proxysql\/proxysql.log
                              # \u6216
                              tail -n 100 \/var\/lib\/proxysql\/proxysql.log
                              # \u6216
                              journalctl -u proxysql<\/pre>\n\n\n\n
                              \u8bf4\u660e<\/strong>\uff1aProxySQL \u65e5\u5fd7\u8bb0\u5f55\u4e86\u670d\u52a1\u542f\u52a8\u3001\u5173\u95ed\u3001\u914d\u7f6e\u53d8\u66f4\u548c\u9519\u8bef\u7b49\u91cd\u8981\u4e8b\u4ef6\u3002\u65e5\u5fd7\u4f4d\u7f6e\u53ef\u80fd\u56e0\u5b89\u88c5\u65b9\u5f0f\u800c\u5f02\uff0c\u5e38\u89c1\u4f4d\u7f6e\u5305\u62ec \/var\/lib\/proxysql\/proxysql.log<\/code> \u6216\u901a\u8fc7 systemd \u65e5\u5fd7\u3002<\/p>\n\n\n\n
                              6.2 \u68c0\u67e5\u7cfb\u7edf\u65e5\u5fd7<\/h3>\n\n\n\n
                              # \u68c0\u67e5\u7cfb\u7edf\u65e5\u5fd7\u4e2d\u4e0e ProxySQL \u76f8\u5173\u7684\u6761\u76ee
                              grep proxysql \/var\/log\/syslog
                              # \u6216
                              journalctl | grep proxysql<\/pre>\n\n\n\n
                              \u8bf4\u660e<\/strong>\uff1a\u7cfb\u7edf\u65e5\u5fd7\u53ef\u80fd\u5305\u542b ProxySQL \u8fdb\u7a0b\u542f\u52a8\u3001\u5d29\u6e83\u6216\u8d44\u6e90\u9650\u5236\u76f8\u5173\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n
                              7. \u914d\u7f6e\u4e00\u81f4\u6027\u68c0\u67e5<\/h2>\n\n\n\n
                              7.1 \u68c0\u67e5\u914d\u7f6e\u5728\u4e0d\u540c\u5c42\u6b21\u7684\u4e00\u81f4\u6027<\/h3>\n\n\n\n
                              ProxySQL \u6709\u4e09\u5c42\u914d\u7f6e\uff1a<\/p>\n\n\n\n
                                \n
                              • \u5185\u5b58\u4e2d\u7684\u914d\u7f6e\uff08\u4fee\u6539\u540e\u7684\u521d\u59cb\u72b6\u6001\uff09<\/li>\n\n\n\n
                              • \u8fd0\u884c\u65f6\u914d\u7f6e\uff08\u901a\u8fc7 LOAD TO RUNTIME \u52a0\u8f7d\uff0c\u5b9e\u9645\u751f\u6548\uff09<\/li>\n\n\n\n
                              • \u78c1\u76d8\u914d\u7f6e\uff08\u901a\u8fc7 SAVE TO DISK \u4fdd\u5b58\uff0c\u91cd\u542f\u540e\u751f\u6548\uff09<\/li>\n<\/ul>\n\n\n\n
                                -- \u68c0\u67e5\u5168\u5c40\u53d8\u91cf\u5728\u5185\u5b58\u548c\u8fd0\u884c\u65f6\u7684\u5dee\u5f02
                                SELECT variable_name, variable_value AS memory_value, 
                                       (SELECT variable_value FROM runtime_global_variables v2 
                                        WHERE v2.variable_name = v1.variable_name) AS runtime_value
                                FROM global_variables v1
                                WHERE variable_value <> (SELECT variable_value FROM runtime_global_variables v2 
                                                        WHERE v2.variable_name = v1.variable_name)
                                ORDER BY variable_name;
                                \u200b
                                -- \u68c0\u67e5 mysql_servers \u8868\u5728\u5185\u5b58\u548c\u8fd0\u884c\u65f6\u7684\u5dee\u5f02
                                SELECT * FROM mysql_servers
                                EXCEPT
                                SELECT * FROM runtime_mysql_servers;<\/pre>\n\n\n\n
                                \u8bf4\u660e<\/strong>\uff1a\u8fd9\u4e9b\u67e5\u8be2\u5e2e\u52a9\u8bc6\u522b\u914d\u7f6e\u4e0d\u4e00\u81f4\u95ee\u9898\uff0c\u4f8b\u5982\u4fee\u6539\u4e86\u914d\u7f6e\u4f46\u5fd8\u8bb0\u52a0\u8f7d\u5230\u8fd0\u884c\u65f6\u3002<\/p>\n\n\n\n
                                7.2 \u52a0\u8f7d\u548c\u4fdd\u5b58\u914d\u7f6e<\/h3>\n\n\n\n
                                -- \u52a0\u8f7d MySQL \u7528\u6237\u914d\u7f6e\u5230\u8fd0\u884c\u65f6
                                LOAD MYSQL USERS TO RUNTIME;
                                -- \u4fdd\u5b58 MySQL \u7528\u6237\u914d\u7f6e\u5230\u78c1\u76d8
                                SAVE MYSQL USERS TO DISK;
                                \u200b
                                -- \u52a0\u8f7d MySQL \u670d\u52a1\u5668\u914d\u7f6e\u5230\u8fd0\u884c\u65f6
                                LOAD MYSQL SERVERS TO RUNTIME;
                                -- \u4fdd\u5b58 MySQL \u670d\u52a1\u5668\u914d\u7f6e\u5230\u78c1\u76d8
                                SAVE MYSQL SERVERS TO DISK;
                                \u200b
                                -- \u52a0\u8f7d MySQL \u67e5\u8be2\u89c4\u5219\u5230\u8fd0\u884c\u65f6
                                LOAD MYSQL QUERY RULES TO RUNTIME;
                                -- \u4fdd\u5b58 MySQL \u67e5\u8be2\u89c4\u5219\u5230\u78c1\u76d8
                                SAVE MYSQL QUERY RULES TO DISK;
                                \u200b
                                -- \u52a0\u8f7d MySQL \u53d8\u91cf\u5230\u8fd0\u884c\u65f6
                                LOAD MYSQL VARIABLES TO RUNTIME;
                                -- \u4fdd\u5b58 MySQL \u53d8\u91cf\u5230\u78c1\u76d8
                                SAVE MYSQL VARIABLES TO DISK;
                                \u200b
                                -- \u52a0\u8f7d\u7ba1\u7406\u53d8\u91cf\u5230\u8fd0\u884c\u65f6
                                LOAD ADMIN VARIABLES TO RUNTIME;
                                -- \u4fdd\u5b58\u7ba1\u7406\u53d8\u91cf\u5230\u78c1\u76d8
                                SAVE ADMIN VARIABLES TO DISK;<\/pre>\n\n\n\n
                                \u8bf4\u660e<\/strong>\uff1a\u8fd9\u4e9b\u547d\u4ee4\u786e\u4fdd\u914d\u7f6e\u66f4\u6539\u88ab\u6b63\u786e\u5e94\u7528\u5230\u8fd0\u884c\u65f6\u5e76\u6301\u4e45\u5316\u5230\u78c1\u76d8\u3002\u8bb8\u591a ProxySQL \u95ee\u9898\u6e90\u4e8e\u914d\u7f6e\u66f4\u6539\u540e\u672a\u6267\u884c\u8fd9\u4e9b\u547d\u4ee4\u3002<\/p>\n\n\n\n
                                8. \u6027\u80fd\u6307\u6807\u5206\u6790<\/h2>\n\n\n\n
                                8.1 \u68c0\u67e5\u5168\u5c40\u7edf\u8ba1\u4fe1\u606f<\/h3>\n\n\n\n
                                -- \u67e5\u770b\u5168\u5c40\u8ba1\u6570\u5668
                                SELECT * FROM stats.stats_mysql_global;<\/pre>\n\n\n\n
                                \u8bf4\u660e<\/strong>\uff1a\u5168\u5c40\u8ba1\u6570\u5668\u63d0\u4f9b\u4e86 ProxySQL \u6574\u4f53\u6027\u80fd\u548c\u6d3b\u52a8\u7684\u6982\u89c8\u3002<\/p>\n\n\n\n
                                8.2 \u68c0\u67e5\u547d\u4ee4\u8ba1\u6570\u5668<\/h3>\n\n\n\n
                                -- \u67e5\u770b\u547d\u4ee4\u8ba1\u6570\u5668
                                SELECT * FROM stats.stats_mysql_commands_counters;<\/pre>\n\n\n\n
                                \u8bf4\u660e<\/strong>\uff1a\u547d\u4ee4\u8ba1\u6570\u5668\u663e\u793a\u5404\u7c7b MySQL \u547d\u4ee4\u7684\u6267\u884c\u6b21\u6570\u548c\u5ef6\u8fdf\uff0c\u6709\u52a9\u4e8e\u8bc6\u522b\u6027\u80fd\u74f6\u9888\u3002<\/p>\n\n\n\n
                                8.3 \u68c0\u67e5\u540e\u7aef\u670d\u52a1\u5668\u5ef6\u8fdf<\/h3>\n\n\n\n
                                -- \u67e5\u770b\u540e\u7aef\u670d\u52a1\u5668\u5ef6\u8fdf
                                SELECT srv_host, Latency_us FROM stats.stats_mysql_connection_pool;<\/pre>\n\n\n\n
                                \u8bf4\u660e<\/strong>\uff1a\u540e\u7aef\u670d\u52a1\u5668\u5ef6\u8fdf\u662f\u8bca\u65ad\u6027\u80fd\u95ee\u9898\u7684\u91cd\u8981\u6307\u6807\u3002<\/p>\n\n\n\n
                                9. \u89e3\u51b3\u65b9\u6848\u5b9e\u65bd<\/h2>\n\n\n\n
                                \u6839\u636e\u524d\u8ff0\u6b65\u9aa4\u7684\u8bca\u65ad\u7ed3\u679c\uff0c\u4ee5\u4e0b\u662f\u5e38\u89c1\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n\n\n\n
                                9.1 \u76d1\u63a7\u6a21\u5757\u672a\u6b63\u5e38\u5de5\u4f5c<\/h3>\n\n\n\n
                                \u5982\u679c\u76d1\u63a7\u6a21\u5757\u672a\u68c0\u6d4b\u5230\u540e\u7aef\u670d\u52a1\u5668\u72b6\u6001\u53d8\u5316\uff1a<\/p>\n\n\n\n
                                -- \u786e\u4fdd\u76d1\u63a7\u6a21\u5757\u542f\u7528
                                SET mysql-monitor_enabled = true;
                                \u200b
                                -- \u9a8c\u8bc1\u76d1\u63a7\u7528\u6237\u51ed\u8bc1
                                SET mysql-monitor_username = 'monitor';
                                SET mysql-monitor_password = 'monitor_password';
                                \u200b
                                -- \u8c03\u6574\u76d1\u63a7\u53c2\u6570\uff08\u793a\u4f8b\u503c\uff0c\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8c03\u6574\uff09
                                SET mysql-monitor_connect_interval = 10000;  -- 10\u79d2
                                SET mysql-monitor_ping_interval = 5000;      -- 5\u79d2
                                SET mysql-monitor_ping_max_failures = 3;     -- 3\u6b21\u5931\u8d25\u540e\u6807\u8bb0\u4e3aSHUNNED
                                \u200b
                                -- \u52a0\u8f7d\u5e76\u4fdd\u5b58\u914d\u7f6e
                                LOAD MYSQL VARIABLES TO RUNTIME;
                                SAVE MYSQL VARIABLES TO DISK;
                                \u200b
                                -- \u91cd\u542f\u76d1\u63a7\u6a21\u5757\uff08\u901a\u8fc7\u4e34\u65f6\u7981\u7528\u518d\u542f\u7528\uff09
                                SET mysql-monitor_enabled = false;
                                LOAD MYSQL VARIABLES TO RUNTIME;
                                -- \u7b49\u5f85\u51e0\u79d2
                                SET mysql-monitor_enabled = true;
                                LOAD MYSQL VARIABLES TO RUNTIME;
                                SAVE MYSQL VARIABLES TO DISK;<\/pre>\n\n\n\n
                                \u8bf4\u660e<\/strong>\uff1a\u8fd9\u4e9b\u6b65\u9aa4\u786e\u4fdd\u76d1\u63a7\u6a21\u5757\u6b63\u786e\u914d\u7f6e\u5e76\u91cd\u65b0\u521d\u59cb\u5316\u3002<\/p>\n\n\n\n
                                9.2 \u624b\u52a8\u66f4\u6539\u670d\u52a1\u5668\u72b6\u6001<\/h3>\n\n\n\n
                                \u5728\u7d27\u6025\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u624b\u52a8\u66f4\u6539\u670d\u52a1\u5668\u72b6\u6001\uff1a<\/p>\n\n\n\n
                                -- \u624b\u52a8\u5c06\u670d\u52a1\u5668\u6807\u8bb0\u4e3a\u79bb\u7ebf\uff08\u8f6f\uff09
                                UPDATE mysql_servers SET status='OFFLINE_SOFT' 
                                WHERE hostname='<mysql_hostname>' AND port=<mysql_port>;
                                LOAD MYSQL SERVERS TO RUNTIME;
                                SAVE MYSQL SERVERS TO DISK;
                                \u200b
                                -- \u624b\u52a8\u5c06\u670d\u52a1\u5668\u6807\u8bb0\u4e3a\u5728\u7ebf
                                UPDATE mysql_servers SET status='ONLINE' 
                                WHERE hostname='<mysql_hostname>' AND port=<mysql_port>;
                                LOAD MYSQL SERVERS TO RUNTIME;
                                SAVE MYSQL SERVERS TO DISK;<\/pre>\n\n\n\n
                                \u8bf4\u660e<\/strong>\uff1a\u624b\u52a8\u66f4\u6539\u72b6\u6001\u5e94\u4f5c\u4e3a\u4e34\u65f6\u63aa\u65bd\uff0c\u540c\u65f6\u5e94\u89e3\u51b3\u6839\u672c\u539f\u56e0\u3002<\/p>\n\n\n\n
                                9.3 \u91cd\u542f ProxySQL \u670d\u52a1<\/h3>\n\n\n\n
                                \u5982\u679c\u5176\u4ed6\u65b9\u6cd5\u65e0\u6548\uff0c\u53ef\u4ee5\u8003\u8651\u91cd\u542f ProxySQL \u670d\u52a1\uff1a<\/p>\n\n\n\n
                                # \u4f7f\u7528 systemd \u91cd\u542f
                                systemctl restart proxysql
                                \u200b
                                # \u6216\u5728 ProxySQL \u7ba1\u7406\u63a5\u53e3\u4e2d\u91cd\u542f
                                PROXYSQL RESTART;<\/pre>\n\n\n\n
                                \u8bf4\u660e<\/strong>\uff1a\u91cd\u542f\u662f\u6700\u540e\u7684\u624b\u6bb5\uff0c\u53ef\u80fd\u5bfc\u81f4\u77ed\u6682\u7684\u670d\u52a1\u4e2d\u65ad\u3002\u786e\u4fdd\u914d\u7f6e\u5df2\u4fdd\u5b58\u5230\u78c1\u76d8\uff0c\u5426\u5219\u91cd\u542f\u540e\u66f4\u6539\u5c06\u4e22\u5931\u3002<\/p>\n\n\n\n
                                10. \u9a8c\u8bc1\u4e0e\u76d1\u63a7<\/h2>\n\n\n\n
                                10.1 \u9a8c\u8bc1\u89e3\u51b3\u65b9\u6848\u6548\u679c<\/h3>\n\n\n\n
                                \u5e94\u7528\u89e3\u51b3\u65b9\u6848\u540e\uff0c\u91cd\u590d\u76f8\u5173\u68c0\u67e5\u6b65\u9aa4\u9a8c\u8bc1\u95ee\u9898\u662f\u5426\u89e3\u51b3\uff1a<\/p>\n\n\n\n
                                -- \u518d\u6b21\u68c0\u67e5\u670d\u52a1\u5668\u72b6\u6001
                                SELECT hostgroup_id, hostname, port, status FROM mysql_servers;
                                \u200b
                                -- \u68c0\u67e5\u8fde\u63a5\u6c60\u72b6\u6001
                                SELECT * FROM stats.stats_mysql_connection_pool 
                                WHERE srv_host = '<mysql_hostname>';
                                \u200b
                                -- \u68c0\u67e5\u76d1\u63a7\u65e5\u5fd7
                                SELECT * FROM monitor.mysql_server_ping_log 
                                WHERE hostname = '<mysql_hostname>' 
                                ORDER BY time_start_us DESC LIMIT 5;<\/pre>\n\n\n\n
                                10.2 \u8bbe\u7f6e\u6301\u7eed\u76d1\u63a7<\/h3>\n\n\n\n
                                \u5efa\u7acb\u6301\u7eed\u76d1\u63a7\u673a\u5236\uff0c\u53ca\u65e9\u53d1\u73b0\u6f5c\u5728\u95ee\u9898\uff1a<\/p>\n\n\n\n
                                -- \u521b\u5efa\u76d1\u63a7\u67e5\u8be2\u793a\u4f8b\uff08\u53ef\u4ee5\u901a\u8fc7\u5916\u90e8\u811a\u672c\u5b9a\u671f\u6267\u884c\uff09
                                SELECT COUNT(*) AS online_servers 
                                FROM mysql_servers WHERE status = 'ONLINE';
                                \u200b
                                SELECT COUNT(*) AS problem_servers 
                                FROM stats.stats_mysql_connection_pool 
                                WHERE status <> 'ONLINE';<\/pre>\n\n\n\n
                                \u8bf4\u660e<\/strong>\uff1a\u5c06\u8fd9\u4e9b\u67e5\u8be2\u96c6\u6210\u5230\u76d1\u63a7\u7cfb\u7edf\u4e2d\uff0c\u8bbe\u7f6e\u9002\u5f53\u7684\u544a\u8b66\u9608\u503c\u3002<\/p>\n\n\n\n
                                \u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n
                                \u95ee\u9898 1: \u670d\u52a1\u5668\u72b6\u6001\u4e0d\u4e00\u81f4<\/h3>\n\n\n\n
                                \u75c7\u72b6<\/strong>\uff1amysql_servers<\/code> \u8868\u663e\u793a\u670d\u52a1\u5668\u4e3a ONLINE<\/code>\uff0c\u4f46 stats.stats_mysql_connection_pool<\/code> \u663e\u793a\u4e3a SHUNNED<\/code>\u3002<\/p>\n\n\n\n
                                \u89e3\u51b3\u65b9\u6848<\/strong>\uff1a<\/p>\n\n\n\n
                                  \n
                                • \u8fd9\u901a\u5e38\u662f\u6b63\u5e38\u73b0\u8c61\uff0cstats.stats_mysql_connection_pool<\/code> \u66f4\u76f4\u63a5\u53cd\u6620\u5b9e\u65f6\u72b6\u6001<\/li>\n\n\n\n
                                • \u7b49\u5f85\u51e0\u4e2a\u76d1\u63a7\u5468\u671f\uff0c\u72b6\u6001\u901a\u5e38\u4f1a\u540c\u6b65<\/li>\n\n\n\n
                                • \u5982\u9700\u7acb\u5373\u540c\u6b65\uff0c\u53ef\u6267\u884c LOAD MYSQL SERVERS FROM RUNTIME; LOAD MYSQL SERVERS TO RUNTIME;<\/code><\/li>\n<\/ul>\n\n\n\n
                                  \u95ee\u9898 2: \u76d1\u63a7\u65e5\u5fd7\u4e2d\u6ca1\u6709\u7279\u5b9a\u670d\u52a1\u5668\u7684\u8bb0\u5f55<\/h3>\n\n\n\n
                                  \u75c7\u72b6<\/strong>\uff1amonitor.mysql_server_connect_log<\/code> \u6216 monitor.mysql_server_ping_log<\/code> \u4e2d\u6ca1\u6709\u7279\u5b9a\u670d\u52a1\u5668\u7684\u8bb0\u5f55\u3002<\/p>\n\n\n\n
                                  \u89e3\u51b3\u65b9\u6848<\/strong>\uff1a<\/p>\n\n\n\n
                                    \n
                                  • \u786e\u8ba4\u670d\u52a1\u5668\u6b63\u786e\u6dfb\u52a0\u5230 mysql_servers<\/code> \u8868<\/li>\n\n\n\n
                                  • \u9a8c\u8bc1 mysql-monitor_enabled = true<\/code><\/li>\n\n\n\n
                                  • \u6267\u884c\u914d\u7f6e\u52a0\u8f7d\u547d\u4ee4<\/li>\n\n\n\n
                                  • \u4e34\u65f6\u7981\u7528\u518d\u542f\u7528\u76d1\u63a7\u6a21\u5757\u91cd\u65b0\u521d\u59cb\u5316<\/li>\n<\/ul>\n\n\n\n
                                    \u95ee\u9898 3: \u8fde\u63a5\u6c60\u8017\u5c3d<\/h3>\n\n\n\n
                                    \u75c7\u72b6<\/strong>\uff1aConnUsed<\/code> \u63a5\u8fd1 max_connections<\/code>\uff0c\u65b0\u8fde\u63a5\u88ab\u62d2\u7edd\u3002<\/p>\n\n\n\n
                                    \u89e3\u51b3\u65b9\u6848<\/strong>\uff1a<\/p>\n\n\n\n
                                      \n
                                    • \u589e\u52a0 max_connections<\/code> \u53c2\u6570<\/li>\n\n\n\n
                                    • \u68c0\u67e5\u540e\u7aef MySQL \u670d\u52a1\u5668\u7684 max_connections<\/code> \u8bbe\u7f6e<\/li>\n\n\n\n
                                    • \u4f18\u5316\u5e94\u7528\u7a0b\u5e8f\u8fde\u63a5\u7ba1\u7406\uff0c\u51cf\u5c11\u957f\u8fde\u63a5\u6216\u7a7a\u95f2\u8fde\u63a5<\/li>\n<\/ul>\n\n\n\n
                                      \u95ee\u9898 4: \u67e5\u8be2\u8def\u7531\u89c4\u5219\u4e0d\u751f\u6548<\/h3>\n\n\n\n
                                      \u75c7\u72b6<\/strong>\uff1a\u67e5\u8be2\u672a\u6309\u9884\u671f\u8def\u7531\u5230\u6307\u5b9a\u4e3b\u673a\u7ec4\u3002<\/p>\n\n\n\n
                                      \u89e3\u51b3\u65b9\u6848<\/strong>\uff1a<\/p>\n\n\n\n
                                        \n
                                      • \u68c0\u67e5\u89c4\u5219\u4f18\u5148\u7ea7\u548c\u987a\u5e8f<\/li>\n\n\n\n
                                      • \u786e\u8ba4\u89c4\u5219\u5df2\u6fc0\u6d3b (active=1<\/code>)<\/li>\n\n\n\n
                                      • \u9a8c\u8bc1\u5339\u914d\u6a21\u5f0f\u662f\u5426\u6b63\u786e<\/li>\n\n\n\n
                                      • \u786e\u4fdd\u6267\u884c\u4e86 LOAD MYSQL QUERY RULES TO RUNTIME;<\/code><\/li>\n<\/ul>\n\n\n\n
                                        \u7ed3\u8bba<\/h2>\n\n\n\n
                                        \u672c\u6307\u5357\u63d0\u4f9b\u4e86\u4e00\u5957\u7cfb\u7edf\u5316\u7684 ProxySQL \u6545\u969c\u6392\u67e5\u65b9\u6cd5\u3002\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4d\u548c\u89e3\u51b3 ProxySQL \u76f8\u5173\u95ee\u9898\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u4ee3\u7406\u5c42\u7684\u7a33\u5b9a\u8fd0\u884c\u3002\u8bb0\u4f4f\uff0c\u5728 ProxySQL \u4e2d\uff0c\u914d\u7f6e\u66f4\u6539\u540e\u5fc5\u987b\u663e\u5f0f\u52a0\u8f7d\u5230\u8fd0\u884c\u65f6\u5e76\u4fdd\u5b58\u5230\u78c1\u76d8\u624d\u80fd\u751f\u6548\uff0c\u8fd9\u662f\u8bb8\u591a\u95ee\u9898\u7684\u5e38\u89c1\u6839\u6e90\u3002<\/p>\n\n\n\n
                                        \u5b9a\u671f\u68c0\u67e5\u76d1\u63a7\u65e5\u5fd7\u548c\u8fde\u63a5\u6c60\u72b6\u6001\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u53ca\u65e9\u53d1\u73b0\u6f5c\u5728\u95ee\u9898\uff0c\u907f\u514d\u5b83\u4eec\u6f14\u53d8\u6210\u4e25\u91cd\u6545\u969c\u3002<\/p>\n<\/details>\n\n\n\n
                                        ProxySQL \u4e3b\u673a\u7ec4\u8c03\u6574\u4e0e\u7aef\u53e3\u6d41\u91cf\u8def\u7531\u914d\u7f6e\u6307\u5357

                                        <\/summary>\n
                                        \u672c\u6307\u5357\u5c06\u5e2e\u52a9\u60a8\u5b8c\u6210\u4ee5\u4e0b\u4efb\u52a1\uff1a<\/p>\n\n\n\n
                                          \n
                                        1. \u5c06\u670d\u52a1\u5668 192.168.117.142 \u4ece\u4e3b\u673a\u7ec4 1 \u79fb\u52a8\u5230\u65b0\u7684\u4e3b\u673a\u7ec4 2<\/li>\n\n\n\n
                                        2. \u914d\u7f6e ProxySQL \u4f7f\u901a\u8fc7 32161 \u7aef\u53e3\u8fde\u63a5\u7684\u6d41\u91cf\u8def\u7531\u5230\u4e3b\u673a\u7ec4 2<\/li>\n\n\n\n
                                        3. \u786e\u4fdd\u901a\u8fc7\u8be5\u7aef\u53e3\u8fde\u63a5\u7684\u7528\u6237\u5177\u6709\u5b8c\u6574\u7684\u589e\u5220\u6539\u67e5\u6743\u9650<\/li>\n<\/ol>\n\n\n\n
                                          \u6b65\u9aa4 1: \u521b\u5efa\u65b0\u7684\u4e3b\u673a\u7ec4\u5e76\u8c03\u6574\u670d\u52a1\u5668\u5206\u914d<\/h2>\n\n\n\n
                                          \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5c06 192.168.117.142 \u670d\u52a1\u5668\u6dfb\u52a0\u5230\u4e3b\u673a\u7ec4 2\u3002\u5728 ProxySQL \u7ba1\u7406\u754c\u9762\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n
                                          -- \u5220\u9664\u670d\u52a1\u5668\u5728\u4e3b\u673a\u7ec4 1 \u4e2d\u7684\u8bb0\u5f55
                                          DELETE FROM mysql_servers WHERE hostname='192.168.117.142' AND hostgroup_id=1;
                                          \u200b
                                          -- \u5c06\u670d\u52a1\u5668\u6dfb\u52a0\u5230\u4e3b\u673a\u7ec4 2
                                          INSERT INTO mysql_servers(hostgroup_id, hostname, port, status, weight, max_connections) 
                                          VALUES (2, '192.168.117.142', 3306, 'ONLINE', 1, 1000);
                                          \u200b
                                          -- \u52a0\u8f7d\u914d\u7f6e\u5230\u8fd0\u884c\u65f6\u5e76\u4fdd\u5b58\u5230\u78c1\u76d8
                                          LOAD MYSQL SERVERS TO RUNTIME;
                                          SAVE MYSQL SERVERS TO DISK;<\/code><\/pre>\n\n\n\n
                                          \u6b65\u9aa4 2: \u914d\u7f6e\u7aef\u53e3\u5230\u4e3b\u673a\u7ec4\u7684\u8def\u7531\u89c4\u5219<\/h2>\n\n\n\n
                                          ProxySQL 2.7.x \u7248\u672c\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528\u67e5\u8be2\u89c4\u5219\u6765\u6839\u636e\u8fde\u63a5\u7aef\u53e3\u8def\u7531\u6d41\u91cf\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u786e\u4fdd 32161 \u7aef\u53e3\u5df2\u7ecf\u5728 mysql_ifaces<\/code> \u4e2d\u914d\u7f6e\uff1a<\/p>\n\n\n\n
                                          -- \u68c0\u67e5\u5f53\u524d\u7684 mysql_ifaces \u914d\u7f6e
                                          SELECT variable_value FROM global_variables WHERE variable_name='mysql-mysql_ifaces';
                                          \u200b
                                          -- \u5982\u679c\u9700\u8981\uff0c\u66f4\u65b0 mysql_ifaces \u914d\u7f6e\uff08\u786e\u4fdd\u5305\u542b 32161 \u7aef\u53e3\uff09
                                          SET mysql-mysql_ifaces=\"0.0.0.0:6033;0.0.0.0:32161;0.0.0.0:33161\";
                                          LOAD MYSQL VARIABLES TO RUNTIME;
                                          SAVE MYSQL VARIABLES TO DISK;<\/pre>\n\n\n\n
                                          \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u67e5\u8be2\u89c4\u5219\uff0c\u5c06\u6765\u81ea 32161 \u7aef\u53e3\u7684\u8fde\u63a5\u8def\u7531\u5230\u4e3b\u673a\u7ec4 2\uff1a<\/p>\n\n\n\n
                                          -- \u521b\u5efa\u67e5\u8be2\u89c4\u5219\uff0c\u5c06 32161 \u7aef\u53e3\u7684\u6d41\u91cf\u8def\u7531\u5230\u4e3b\u673a\u7ec4 2
                                          INSERT INTO mysql_query_rules (rule_id, active, proxy_port, destination_hostgroup, apply)
                                          VALUES (1, 1, 32161, 2, 1);
                                          \u200b
                                          -- \u52a0\u8f7d\u67e5\u8be2\u89c4\u5219\u5230\u8fd0\u884c\u65f6\u5e76\u4fdd\u5b58\u5230\u78c1\u76d8
                                          LOAD MYSQL QUERY RULES TO RUNTIME;
                                          SAVE MYSQL QUERY RULES TO DISK;<\/pre>\n\n\n\n
                                          \u6b65\u9aa4 3: \u786e\u4fdd\u7528\u6237\u6743\u9650\u914d\u7f6e<\/h2>\n\n\n\n
                                          \u786e\u4fdd\u8fde\u63a5\u5230 ProxySQL \u7684\u7528\u6237\u5177\u6709\u8bbf\u95ee\u4e3b\u673a\u7ec4 2 \u7684\u6743\u9650\uff1a<\/p>\n\n\n\n
                                          -- \u67e5\u770b\u5f53\u524d\u7528\u6237\u914d\u7f6e
                                          SELECT * FROM mysql_users;
                                          \u200b
                                          -- \u66f4\u65b0\u7528\u6237\u914d\u7f6e\uff0c\u786e\u4fdd\u53ef\u4ee5\u8bbf\u95ee\u4e3b\u673a\u7ec4 2
                                          -- \u5047\u8bbe\u7528\u6237\u540d\u4e3a 'root'\uff0c\u6839\u636e\u60a8\u7684\u5b9e\u9645\u7528\u6237\u540d\u8c03\u6574
                                          UPDATE mysql_users 
                                          SET default_hostgroup=1, 
                                              frontend=1, 
                                              backend=1, 
                                              hostgroup_id='1,2' -- \u5141\u8bb8\u8bbf\u95ee\u4e3b\u673a\u7ec4 1 \u548c 2
                                          WHERE username='root';
                                          \u200b
                                          -- \u5982\u679c\u9700\u8981\u4e3a\u7279\u5b9a\u7aef\u53e3\u8bbe\u7f6e\u9ed8\u8ba4\u4e3b\u673a\u7ec4
                                          INSERT INTO mysql_users (username, password, default_hostgroup, frontend, backend, max_connections)
                                          SELECT username, password, 2, frontend, backend, max_connections 
                                          FROM mysql_users 
                                          WHERE username='root' 
                                          LIMIT 1;
                                          \u200b
                                          -- \u52a0\u8f7d\u7528\u6237\u914d\u7f6e\u5230\u8fd0\u884c\u65f6\u5e76\u4fdd\u5b58\u5230\u78c1\u76d8
                                          LOAD MYSQL USERS TO RUNTIME;
                                          SAVE MYSQL USERS TO DISK;<\/pre>\n\n\n\n
                                          \u6b65\u9aa4 4: \u9a8c\u8bc1\u914d\u7f6e<\/h2>\n\n\n\n
                                          \u5b8c\u6210\u4e0a\u8ff0\u914d\u7f6e\u540e\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u9a8c\u8bc1\u914d\u7f6e\u662f\u5426\u751f\u6548\uff1a<\/p>\n\n\n\n
                                            \n
                                          1. \u68c0\u67e5\u670d\u52a1\u5668\u5206\u914d\uff1a<\/li>\n<\/ol>\n\n\n\n
                                            SELECT * FROM mysql_servers ORDER BY hostgroup_id;<\/pre>\n\n\n\n
                                              \n
                                            1. \u68c0\u67e5\u67e5\u8be2\u89c4\u5219\uff1a<\/li>\n<\/ol>\n\n\n\n
                                              SELECT * FROM mysql_query_rules;<\/pre>\n\n\n\n
                                                \n
                                              1. \u68c0\u67e5\u7528\u6237\u914d\u7f6e\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                SELECT * FROM mysql_users;<\/pre>\n\n\n\n
                                                  \n
                                                1. \u901a\u8fc7 32161 \u7aef\u53e3\u8fde\u63a5\u5e76\u6d4b\u8bd5\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                  mysql -u root -p -h 127.0.0.1 -P 32161<\/pre>\n\n\n\n
                                                  \u8fde\u63a5\u540e\uff0c\u6267\u884c\u4e00\u4e9b SQL \u8bed\u53e5\u6d4b\u8bd5\u589e\u5220\u6539\u67e5\u6743\u9650\uff1a<\/p>\n\n\n\n
                                                  -- \u521b\u5efa\u6d4b\u8bd5\u6570\u636e\u5e93\u548c\u8868
                                                  CREATE DATABASE IF NOT EXISTS test_routing;
                                                  USE test_routing;
                                                  CREATE TABLE IF NOT EXISTS test_table (id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(50));

                                                  -- \u6d4b\u8bd5\u63d2\u5165
                                                  INSERT INTO test_table (name) VALUES ('test1'), ('test2');

                                                  -- \u6d4b\u8bd5\u67e5\u8be2
                                                  SELECT * FROM test_table;

                                                  -- \u6d4b\u8bd5\u66f4\u65b0
                                                  UPDATE test_table SET name='updated' WHERE id=1;

                                                  -- \u6d4b\u8bd5\u5220\u9664
                                                  DELETE FROM test_table WHERE id=2;

                                                  -- \u6e05\u7406\uff08\u53ef\u9009\uff09
                                                  DROP TABLE test_table;
                                                  DROP DATABASE test_routing;<\/pre>\n\n\n\n
                                                  \u6b65\u9aa4 5: \u76d1\u63a7\u4e0e\u6545\u969c\u6392\u9664<\/h2>\n\n\n\n
                                                  \u5982\u679c\u914d\u7f6e\u672a\u6309\u9884\u671f\u5de5\u4f5c\uff0c\u53ef\u4ee5\u68c0\u67e5\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n\n\n\n
                                                    \n
                                                  1. \u68c0\u67e5 ProxySQL \u76d1\u63a7\u65e5\u5fd7\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                    SELECT * FROM monitor.mysql_server_connect_log ORDER BY time_start_us DESC LIMIT 10;
                                                    SELECT * FROM monitor.mysql_server_ping_log ORDER BY time_start_us DESC LIMIT 10;<\/pre>\n\n\n\n
                                                      \n
                                                    1. \u68c0\u67e5\u8fde\u63a5\u6c60\u72b6\u6001\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                      SELECT * FROM stats.stats_mysql_connection_pool WHERE hostgroup IN (1,2);

                                                      \u67e5\u770b\u7279\u5b9a\u4e3b\u673aping\u7684\u72b6\u6001
                                                      SELECT hostname, port, time_start_us, ping_success_time_us, ping_error  FROM monitor.mysql_server_ping_log  WHERE hostname = '192.168.117.142'  ORDER BY time_start_us DESC  LIMIT 10;<\/pre>\n\n\n\n
                                                        \n
                                                      1. \u68c0\u67e5\u67e5\u8be2\u8def\u7531\u7edf\u8ba1\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                        SELECT * FROM stats.stats_mysql_query_digest ORDER BY sum_time DESC LIMIT 10;<\/pre>\n\n\n\n
                                                        \u6ce8\u610f\u4e8b\u9879<\/h2>\n\n\n\n
                                                          \n
                                                        1. \u7aef\u53e3\u8def\u7531\u9650\u5236<\/strong>\uff1a\u5728 ProxySQL 2.x \u7248\u672c\u4e2d\uff0c\u7aef\u53e3\u8def\u7531\u529f\u80fd\u53ef\u80fd\u4e0d\u5982 3.x \u7248\u672c\u5b8c\u5584\u3002\u5982\u679c\u9047\u5230\u95ee\u9898\uff0c\u8003\u8651\u5347\u7ea7\u5230 ProxySQL 3.x\u3002<\/li>\n\n\n\n
                                                        2. \u914d\u7f6e\u6301\u4e45\u5316<\/strong>\uff1a\u786e\u4fdd\u6bcf\u6b21\u4fee\u6539\u914d\u7f6e\u540e\u90fd\u6267\u884c LOAD ... TO RUNTIME<\/code> \u548c SAVE ... TO DISK<\/code> \u547d\u4ee4\uff0c\u4ee5\u786e\u4fdd\u914d\u7f6e\u751f\u6548\u5e76\u5728\u91cd\u542f\u540e\u4fdd\u7559\u3002<\/li>\n\n\n\n
                                                        3. \u76d1\u63a7\u670d\u52a1\u5668\u72b6\u6001<\/strong>\uff1a\u5b9a\u671f\u68c0\u67e5\u4e3b\u673a\u7ec4 2 \u4e2d\u670d\u52a1\u5668\u7684\u72b6\u6001\uff0c\u786e\u4fdd\u5176\u4fdd\u6301 ONLINE<\/code>\u3002<\/li>\n\n\n\n
                                                        4. \u5907\u4efd\u914d\u7f6e<\/strong>\uff1a\u5728\u8fdb\u884c\u91cd\u8981\u914d\u7f6e\u66f4\u6539\u524d\uff0c\u5efa\u8bae\u5907\u4efd ProxySQL \u914d\u7f6e\uff1a<\/li>\n<\/ol>\n\n\n\n
                                                          proxysql-admin --backup-config<\/pre>\n\n\n\n
                                                          \u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u60a8\u5e94\u8be5\u80fd\u591f\u6210\u529f\u5c06 192.168.117.142 \u670d\u52a1\u5668\u79fb\u52a8\u5230\u4e3b\u673a\u7ec4 2\uff0c\u5e76\u914d\u7f6e 32161 \u7aef\u53e3\u7684\u6d41\u91cf\u8def\u7531\u5230\u8be5\u4e3b\u673a\u7ec4\uff0c\u540c\u65f6\u4fdd\u7559\u5b8c\u6574\u7684\u589e\u5220\u6539\u67e5\u6743\u9650\u3002<\/p>\n<\/details>\n\n\n\n
                                                          <\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14,17],"tags":[],"class_list":["post-1703","post","type-post","status-publish","format-standard","hentry","category-cloud-computing","category-17"],"_links":{"self":[{"href":"https:\/\/minglelu.cn\/index.php\/wp-json\/wp\/v2\/posts\/1703","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/minglelu.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/minglelu.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/minglelu.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/minglelu.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1703"}],"version-history":[{"count":12,"href":"https:\/\/minglelu.cn\/index.php\/wp-json\/wp\/v2\/posts\/1703\/revisions"}],"predecessor-version":[{"id":1785,"href":"https:\/\/minglelu.cn\/index.php\/wp-json\/wp\/v2\/posts\/1703\/revisions\/1785"}],"wp:attachment":[{"href":"https:\/\/minglelu.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/minglelu.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/minglelu.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}