{"id":3990,"date":"2019-03-13T16:18:15","date_gmt":"2019-03-13T08:18:15","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=3990"},"modified":"2019-03-13T16:18:15","modified_gmt":"2019-03-13T08:18:15","slug":"mysql-8-%e5%a4%a7%e9%9b%86%e7%be%a4%e6%9e%b6%e6%9e%84%e7%9a%84%e4%bc%98%e7%bc%ba%e7%82%b9%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=3990","title":{"rendered":"MySQL 8 \u5927\u96c6\u7fa4\u67b6\u6784\u7684\u4f18\u7f3a\u70b9\u603b\u7ed3"},"content":{"rendered":"

\n\t\u5f88\u591a\u5f00\u53d1\u8005\u53ef\u80fd\u90fd\u6ca1\u6709\u63a5\u89e6\u8fc7 MySQL \u7684\u67b6\u6784\u90e8\u7f72\uff0c\u4f46\u662f\u5927\u591a\u6570\u5e94\u8be5\u90fd\u542c\u8fc7\u96c6\u7fa4\u67b6\u6784\u5427\u3002\u5176\u5b9e MySQL \u96c6\u7fa4\u67b6\u6784\uff0c\u603b\u7ed3\u6765\u8bf4\u4e00\u5171\u6709\u597d\u591a\u79cd\uff0c\u4eca\u5929\u6211\u4e3b\u8981\u603b\u7ed3\u4e00\u4e0b\u5176\u4e2d\u5e38\u7528\u7684 8 \u79cd\u96c6\u7fa4\u67b6\u6784\u3002\n<\/p>\n

\n\t\u4e3b\u4ece\u67b6\u6784
\n<\/h2>\n

\n\t\u4e3b\u4ece\u67b6\u6784\u4e00\u822c\u8bf4\u7684\u662f\uff0c\u8bfb\u5199\u5206\u79bb\u8fd9\u79cd\u3002\u4ed6\u7684\u597d\u5904\u662f\uff0c\u6570\u636e\u53ef\u4ee5\u6709\u5907\u4efd\u3002\u5e76\u4e14\uff0c\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u7f13\u89e3\u4e86\u8bfb\u548c\u5199\u7684\u6548\u7387\u3002\u4ece\u800c\u63d0\u9ad8\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u3002\n<\/p>\n

\n\t\u4e3b\u4e3b\u4e92\u5907 + keepalived
\n<\/h2>\n

\n\t\u4e3b\u4ece\u67b6\u6784\u6709\u4e00\u4e2a\u7279\u70b9\u5c31\u662f\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u6545\u969c\uff0c\u90a3\u4e48\u9ad8\u53ef\u7528\u5c31\u65e0\u6cd5\u8c08\u8d77\u3002\u6240\u4ee5\uff0c\u6709\u7684\u516c\u53f8\u4fbf\u91c7\u7528\u8fd9\u79cd\u4e3b\u4e3b\u4e92\u5907\u7684\u67b6\u6784\u6765\u89e3\u51b3\u7a81\u53d1\u7684\u5355\u70b9\u6545\u969c\u5e26\u6765\u7684\u5f71\u54cd\u3002\u8fd9\u79cd\u67b6\u6784\u7684\u7279\u70b9\u662f\uff0cMySQL \u53cc\u4e3b\u590d\u5236\uff0c\u5373\u4e92\u4e3a Master-Slave (\u53ea\u6709\u4e00\u4e2a Master \u63d0\u4f9b\u5199\u64cd\u4f5c)\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u70ed\u5907\uff0c\u4f46\u662f\u4e00\u4e2a Master \u5b95\u673a\u540e\u4e0d\u80fd\u5b9e\u73b0\u52a8\u6001\u5207\u6362\u3002\u4f7f\u7528 Keepalived\uff0c\u53ef\u4ee5\u901a\u8fc7\u865a\u62df IP\uff0c\u5b9e\u73b0\u53cc\u4e3b\u5bf9\u5916\u7684\u7edf\u4e00\u63a5\u53e3\u4ee5\u53ca\u81ea\u52a8\u68c0\u67e5\u3001\u5931\u8d25\u5207\u6362\u673a\u5236\uff0c\u4ece\u800c\u5b9e\u73b0 MySQL \u6570\u636e\u5e93\u7684\u9ad8\u53ef\u7528\u65b9\u6848\u3002\n<\/p>\n

\n\t\u4e3b\u4e3b\u4e92\u5907\uff0c\u5206\u522b\u4e3b+\u4ece
\n<\/h2>\n

\n\t\u8fd9\u79cd\u67b6\u6784\u6bd4\u4e0a\u9762\u7684\u4e3b\u4e3b\u4e92\u5907 + keepalived \u6a21\u5f0f\uff0c\u6027\u80fd\u66f4\u597d\u4e00\u4e9b\u3002\u8bfb\u5199\u5206\u79bb\u7b49\u90fd\u662f\u53ef\u4ee5\u5b9e\u73b0\u7684\u3002\n<\/p>\n

\n\t\u4e3b\u4e3b\u4e92\u5907\uff0c\u4ece\u52a0\u5728\u4e00\u4e2a\u4e3b\u4e0a
\n<\/h2>\n

\n\t\u5bf9\u6bd4\u4e0a\u9762\u7684\u4e00\u79cd\u67b6\u6784\uff0c\u6bcf\u4e2a\u4e3b\u5e93\u4e0a\u90fd\u52a0\u4e00\u4e2a\u4ece\u5e93\uff0c\u592a\u6d6a\u8d39\u4e86\uff0c\u5305\u62ec IO \u7b49\u90fd\u6709\u4e0d\u5c0f\u7684\u5f71\u54cd\u3002\u5982\u679c\u628a\u4ece\u5e93\u90fd\u6302\u5230\u4e00\u4e2a\u4e3b\u5e93\u4e0a\uff0c\u90a3\u4e48\u6548\u7387\u5c31\u4f1a\u66f4\u9ad8\u4e00\u4e9b\u3002\n<\/p>\n

\n\tMMM \u67b6\u6784
\n<\/h2>\n

\n\tMMM\uff08Master-Master replication manager for MySQL\uff09\u662f\u4e00\u5957\u652f\u6301\u53cc\u4e3b\u6545\u969c\u5207\u6362\u548c\u53cc\u4e3b\u65e5\u5e38\u7ba1\u7406\u7684\u811a\u672c\u7a0b\u5e8f\u3002MMM \u4f7f\u7528 Perl \u8bed\u8a00\u5f00\u53d1\uff0c\u57fa\u4e8e mysql \u4e3b\u4ece\u590d\u5236\uff0c\u6210\u719f\u9ad8\u53ef\u7528\u96c6\u7fa4\u65b9\u6848\uff0c\u7531\u4e00\u4e2a\u7ba1\u7406\u7aef(monitor)\u548c\u591a\u4e2a\u4ee3\u7406\u7aef\uff08aget\uff09\u6784\u6210\u3002\n<\/p>\n

\n\t\"MySQL\n<\/p>\n

\n\t\u8fd9\u79cd\u67b6\u6784\u4f18\u70b9\uff1a\u76d1\u63a7\u6240\u6709 Master \u8282\u70b9\u53ca Slave \u8282\u70b9\u72b6\u6001\uff0c\u5f53 master \u8282\u70b9\u51fa\u73b0\u6545\u969c\uff0c\u4f1a\u628a vip \u81ea\u52a8\u8f6c\u79fb\u5230\u5065\u5eb7\u8282\u70b9\u4e0a\uff1b\u66f4\u91cd\u8981\u7684\u662f\u5f53 Master \u8282\u70b9\u53d1\u751f\u6545\u969c\uff0c\u4f1a\u81ea\u52a8\u5c06\u540e\u7aef Slave \u8282\u70b9\u8f6c\u5411\u5907\u7528\u7684 Master \u8282\u70b9\u7ee7\u7eed\u540c\u6b65\u590d\u5236\uff0c\u5207\u6362\u8fc7\u7a0b\u4e0d\u9700\u8981\u4eba\u5de5\u5e72\u9884\uff1b\n<\/p>\n

\n\t\u7f3a\u70b9\uff1a\u5bf9 ip\uff0c\u670d\u52a1\u5668\u6570\u91cf\u6709\u8981\u6c42(\u81f3\u5c11\u4e24\u53f0\u670d\u52a1\u5668\uff0c2\u4e2a\u771f\u5b9e ip\uff0c3 \u4e2a vip)\uff1b\u4e1a\u52a1\u7e41\u5fd9\uff0c\u6570\u636e\u91cf\u5927\u7684\u65f6\u5019\u4e0d\u662f\u5f88\u7a33\u5b9a\uff0c\u4f1a\u51fa\u73b0\u590d\u5236\u5ef6\u65f6\uff0c\u5207\u6362\u5931\u6548\u7b49\u95ee\u9898\uff1b\u6240\u4ee5 MMM \u65b9\u6848\u4e0d\u9002\u5408\u5e94\u7528\u4e8e\u5bf9\u6570\u636e\u5b89\u5168\u6027\u8981\u6c42\u5f88\u9ad8\uff0c\u5e76\u8bfb\u5199\u9891\u7e41\u7684\u73af\u5883\u4e2d\u3002\u6570\u636e\u91cf\u5927\u7684\u65f6\u5019\uff0c\u4f1a\u6709\u4e3b\u4ece\u6570\u636e\u4e0d\u540c\u6b65\u7684\u95ee\u9898\u3002\n<\/p>\n

\n\tMHA \u67b6\u6784
\n<\/h2>\n

\n\tMHA\uff08Master High Availability\uff09\u76ee\u524d\u5728 MySQL \u9ad8\u53ef\u7528\u65b9\u9762\u662f\u4e00\u4e2a\u76f8\u5bf9\u6210\u719f\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5b83\u7531\u65e5\u672c DeNA \u516c\u53f8 youshimaton\uff08\u73b0\u5c31\u804c\u4e8e Facebook \u516c\u53f8\uff09\u5f00\u53d1\uff0c\u662f\u4e00\u5957\u4f18\u79c0\u7684\u4f5c\u4e3a MySQL \u9ad8\u53ef\u7528\u6027\u73af\u5883\u4e0b\u6545\u969c\u5207\u6362\u548c\u4e3b\u4ece\u63d0\u5347\u7684\u9ad8\u53ef\u7528\u8f6f\u4ef6\u3002\u5728 MySQL \u6545\u969c\u5207\u6362\u8fc7\u7a0b\u4e2d\uff0cMHA \u80fd\u505a\u5230\u5728 0~30 \u79d2\u4e4b\u5185\u81ea\u52a8\u5b8c\u6210\u6570\u636e\u5e93\u7684\u6545\u969c\u5207\u6362\u64cd\u4f5c\uff0c\u5e76\u4e14\u5728\u8fdb\u884c\u6545\u969c\u5207\u6362\u7684\u8fc7\u7a0b\u4e2d\uff0cMHA \u80fd\u5728\u6700\u5927\u7a0b\u5ea6\u4e0a\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u4ee5\u8fbe\u5230\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u9ad8\u53ef\u7528\u3002\n<\/p>\n

\n\t\"MySQL\n<\/p>\n

\n\t\u8fd9\u79cd\u67b6\u6784\u642d\u5efa\u8d77\u6765\u6bd4\u8f83\u9ebb\u70e6\uff0c\u81f3\u5c11\u4e09\u53f0\u673a\u5668\uff0c\u6dd8\u5b9d\u8fdb\u884c\u8fc7\u4e8c\u6b21\u5f00\u53d1\uff0c\u53ef\u4ee5\u7528\u4e24\u53f0\u673a\u5668\u3002\n<\/p>\n

\n\tmysqlproxy
\n<\/h2>\n

\n\tMySQL Proxy \u6709\u4e00\u9879\u5f3a\u5927\u529f\u80fd\u662f\u5b9e\u73b0“\u8bfb\u5199\u5206\u79bb”\uff0c\u57fa\u672c\u539f\u7406\u662f\u8ba9\u4e3b\u6570\u636e\u5e93\u5904\u7406\u5199\u65b9\u9762\u4e8b\u52a1\uff0c\u8ba9\u4ece\u5e93\u5904\u7406 SELECT \u67e5\u8be2\u3002\n<\/p>\n

\n\t\"mysql\n<\/p>\n

\n\t\u901a\u8fc7 lua \u811a\u672c\u5b9e\u73b0\u7684\u8bfb\u5199\u5206\u79bb\uff0c\u5b98\u7f51\u4e0d\u5efa\u8bae\u7528\u3002\u7531\u4e8e\u52a0\u5165\u4e86\u4e00\u5c42 proxy \u4f1a\u5bfc\u81f4\u7f51\u7edc\u8bf7\u6c42\u7684\u589e\u52a0\u6d88\u8017\uff0c\u6240\u4ee5\u6027\u80fd\u9020\u6210\u4e00\u5b9a\u7684\u5f71\u54cd\u3002\n<\/p>\n

\n\tAmoeba
\n<\/h2>\n

\n\tAmoeba for MySQL\u662f\u4e00\u6b3e\u4f18\u79c0\u7684\u4e2d\u95f4\u4ef6\u8f6f\u4ef6\uff0c\u540c\u6837\u53ef\u4ee5\u5b9e\u73b0\u8bfb\u5199\u5206\u79bb\uff0c\u8d1f\u8f7d\u5747\u8861\u7b49\u529f\u80fd\uff0c\u5e76\u4e14\u7a33\u5b9a\u6027\u4e5f\u9ad8\u4e8e MySQL Proxy\u3002\n<\/p>\n

\n\tAmoeba(\u53d8\u5f62\u866b)\u9879\u76ee\uff0c\u4e13\u6ce8 \u5206\u5e03\u5f0f\u6570\u636e\u5e93 proxy \u5f00\u53d1\u3002\u5ea7\u843d\u4e0e Client\u3001DB Server(s) \u4e4b\u95f4\u3002\u5bf9\u5ba2\u6237\u7aef\u900f\u660e\u3002\u5177\u6709\u8d1f\u8f7d\u5747\u8861\u3001\u9ad8\u53ef\u7528\u6027\u3001sql \u8fc7\u6ee4\u3001\u8bfb\u5199\u5206\u79bb\u3001\u53ef\u8def\u7531\u76f8\u5173\u7684 query \u5230\u76ee\u6807\u6570\u636e\u5e93\u3001\u53ef\u5e76\u53d1\u8bf7\u6c42\u591a\u53f0\u6570\u636e\u5e93\u5408\u5e76\u7ed3\u679c\u3002\n<\/p>\n

\n\t\u5b83\u7684\u7279\u70b9\uff1a\u964d\u4f4e\u6570\u636e\u5207\u5206\u5e26\u6765\u7684\u590d\u6742\u591a\u6570\u636e\u5e93\u7ed3\u6784\uff1b\u63d0\u4f9b\u5207\u5206\u89c4\u5219\u5e76\u964d\u4f4e\uff0c\u6570\u636e\u5207\u5206\u89c4\u5219\uff0c\u7ed9\u5e94\u7528\u5e26\u6765\u7684\u5f71\u54cd\uff1b\u964d\u4f4e db \u4e0e\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u6570\uff1b\u8bfb\u5199\u5206\u79bb\u3002\n<\/p>\n

\n\t\"MySQL\n<\/p>\n

\n\tAmoeba \u81f4\u529b\u4e8e mysql \u5206\u5e03\u5f0f\u6570\u636e\u5e93\u524d\u7aef\u4ee3\u7406\u5c42\uff0c\u5b83\u4e3b\u8981\u5728\u5e94\u7528\u5c42\uff0c\u8bbf\u95ee mysql \u7684\u65f6\u5019\u5145\u5f53 SQL \u8def\u7531\u5668\u7684\u529f\u80fd\uff0c\u4f9d\u636e\u7528\u6237\u4e8b\u5148\u8bbe\u7f6e\u7684\u89c4\u5219\uff0c\u5c06 SQL \u8bf7\u6c42\u53d1\u9001\u5230\u7279\u5b9a\u7684\u6570\u636e\u5e93\u4e0a\u6267\u884c\u3002\u57fa\u4e8e\u6b64\u53ef\u4ee5\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u3001\u8bfb\u5199\u5206\u79bb\u3001\u9ad8\u53ef\u7528\u6027\u7b49\u9700\u6c42\u3002Amoeba \u76f8\u5f53\u4e8e\u4e00\u4e2a SQL \u8bf7\u6c42\u7684\u8def\u7531\u5668\uff0c\u76ee\u7684\u662f\u4e3a\u8d1f\u8f7d\u5747\u8861\u3001\u8bfb\u5199\u5206\u79bb\u3001\u9ad8\u53ef\u7528\u6027\u63d0\u4f9b\u673a\u5236\uff0c\u800c\u4e0d\u662f\u5b8c\u5168\u5b9e\u73b0\u5b83\u4eec\u3002\n<\/p>\n

\n\t\u9488\u5bf9\u4ee5\u4e0a 8 \u79cd\u67b6\u6784\uff0c\u4f60\u4eec\u516c\u53f8\u6b63\u5728\u4f7f\u7528\u7684\u662f\u54ea\u4e00\u79cd\uff1f\u8bf7\u7559\u8a00\u8bc4\u8bba\uff0c\u8c22\u8c22\u8f6c\u53d1\uff01<\/p>\n

\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/<\/p>

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\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a\u4e1a\u4f59\u8349<\/a>\uff1a » MySQL 8 \u5927\u96c6\u7fa4\u67b6\u6784\u7684\u4f18\u7f3a\u70b9\u603b\u7ed3<\/a><\/p>","protected":false},"excerpt":{"rendered":"

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