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5&#xff1a;\u9700\u8981\u63d0\u5347\u6570\u636e\u5e93\u8bfb\u5e76\u53d1\u80fd\u529b\u7684\u9ad8\u53ef\u7528\u4e1a\u52a1<\/h4>\n<p>\u4e1a\u52a1\u7279\u5f81&#xff1a;\u5355\u5e93\u8bfb\u5e76\u53d1\u5df2\u8fbe\u74f6\u9888&#xff08;\u5982\u5355 MySQL \u5b9e\u4f8b\u8bfb QPS \u4e0a\u9650\u7ea6 1-2 \u4e07&#xff09;&#xff0c;\u4e1a\u52a1\u9700\u8981\u66f4\u9ad8\u7684\u8bfb\u5e76\u53d1\u652f\u6491&#xff0c;\u4e14\u6682\u65f6\u65e0\u9700\u505a\u5206\u5e93\u5206\u8868&#xff1b;\u5178\u578b\u4e1a\u52a1&#xff1a;\u7f51\u7ea2\u4ea7\u54c1\u7684\u5546\u54c1\u67e5\u8be2\u3001\u70ed\u70b9\u4e8b\u4ef6\u7684\u8d44\u8baf\u67e5\u8be2&#xff0c;\u77ed\u65f6\u95f4\u5185\u8bfb\u8bf7\u6c42\u7206\u53d1\u5f0f\u589e\u957f\u3002\u4f18\u5316\u4ef7\u503c&#xff1a;\u901a\u8fc7\u6a2a\u5411\u6269\u5bb9\u4ece\u5e93\u6570\u91cf&#xff08;\u5982 1 \u4e3b N \u4ece&#xff0c;N \u53ef\u6839\u636e\u8bfb\u538b\u529b\u8c03\u6574&#xff09;&#xff0c;\u7ebf\u6027\u63d0\u5347\u6570\u636e\u5e93\u7684\u6574\u4f53\u8bfb\u5e76\u53d1\u80fd\u529b&#xff0c;\u4e14\u6269\u5bb9\u8fc7\u7a0b\u65e0\u9700\u4fee\u6539\u4e1a\u52a1\u4ee3\u7801&#xff0c;\u5b9e\u73b0\u8bfb\u80fd\u529b\u7684\u5f39\u6027\u4f38\u7f29\u3002<\/p>\n<h3>\u4e09\u3001MySQL \u8bfb\u5199\u5206\u79bb\u843d\u5730\u7684\u6838\u5fc3\u95ee\u9898\u4e0e\u6210\u56e0<\/h3>\n<p>\u8bfb\u5199\u5206\u79bb\u7684\u6240\u6709\u95ee\u9898&#xff0c;\u672c\u8d28\u90fd\u56f4\u7ed5\u4e3b\u4ece\u590d\u5236\u7684\u7279\u6027\u548c\u8bfb\u5199\u5206\u53d1\u7684\u89c4\u5219\u5c55\u5f00&#xff0c;\u5176\u4e2d\u4e3b\u4ece\u5ef6\u8fdf\u662f\u6838\u5fc3\u6839\u6e90&#xff0c;\u5176\u4f59\u95ee\u9898\u591a\u4e3a\u5ef6\u8fdf\u5f15\u53d1\u7684\u8fde\u9501\u53cd\u5e94&#xff0c;\u6216\u67b6\u6784\u8bbe\u8ba1\u672c\u8eab\u7684\u7ec6\u8282\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u843d\u5730\u8fc7\u7a0b\u4e2d\u6700\u5e38\u9047\u5230\u76847 \u7c7b\u6838\u5fc3\u95ee\u9898&#xff0c;\u9010\u4e00\u5206\u6790\u6210\u56e0\u548c\u8868\u73b0&#xff0c;\u4e3a\u540e\u7eed\u89e3\u51b3\u65b9\u6848\u505a\u94fa\u57ab&#xff1a;<\/p>\n<h4>\u95ee\u9898 1&#xff1a;\u4e3b\u4ece\u590d\u5236\u5ef6\u8fdf&#xff08;\u6700\u6838\u5fc3\u3001\u6700\u5e38\u89c1\u95ee\u9898&#xff09;<\/h4>\n<p>\u6210\u56e0&#xff1a;\u4e3b\u5e93\u7684 binlog \u540c\u6b65\u5230\u4ece\u5e93\u9700\u8981\u7ecf\u8fc7 \u201c\u4e3b\u5e93\u5237 binlog\u2192\u7f51\u7edc\u4f20\u8f93\u2192\u4ece\u5e93 IO \u7ebf\u7a0b\u62c9\u53d6\u2192\u4ece\u5e93 SQL \u7ebf\u7a0b\u91cd\u653e\u201d \u56db\u4e2a\u9636\u6bb5&#xff0c;\u4efb\u4e00\u9636\u6bb5\u51fa\u73b0\u963b\u585e\u90fd\u4f1a\u5bfc\u81f4\u5ef6\u8fdf&#xff1b;\u5e38\u89c1\u8bf1\u56e0\u5305\u62ec&#xff1a;\u7f51\u7edc\u5e26\u5bbd\u4e0d\u8db3 \/ \u7f51\u7edc\u6296\u52a8\u3001\u4ece\u5e93 SQL \u7ebf\u7a0b\u91cd\u653e\u6162&#xff08;\u5982\u5927\u4e8b\u52a1\u3001\u6162 SQL\u3001\u5927\u8868\u53d8\u66f4&#xff09;\u3001\u4ece\u5e93\u786c\u4ef6\u6027\u80fd\u5dee&#xff08;CPU\/IO \u4e0d\u8db3&#xff09;\u3001\u590d\u5236\u6a21\u5f0f\u9009\u62e9\u4e0d\u5f53&#xff08;\u5982\u5f02\u6b65\u590d\u5236\u65e0\u540c\u6b65\u786e\u8ba4&#xff09;\u3001\u4ece\u5e93\u538b\u529b\u8fc7\u9ad8&#xff08;\u540c\u65f6\u5904\u7406\u5927\u91cf\u8bfb\u8bf7\u6c42&#xff09;\u3002\u8868\u73b0&#xff1a;\u5e94\u7528\u5c42\u5199\u64cd\u4f5c&#xff08;\u5982\u521b\u5efa\u8ba2\u5355&#xff09;\u5728\u4e3b\u5e93\u6267\u884c\u5b8c\u6210\u540e&#xff0c;\u7acb\u5373\u4ece\u4ece\u5e93\u67e5\u8be2&#xff0c;\u5f97\u5230\u7684\u662f\u65e7\u6570\u636e&#xff0c;\u51fa\u73b0 **\u201c\u8bfb\u4e0d\u5230\u6700\u65b0\u5199\u6570\u636e\u201d\u7684\u60c5\u51b5&#xff0c;\u5373\u6570\u636e\u4e0d\u4e00\u81f4 **\u3002\u5f71\u54cd&#xff1a;\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u4e1a\u52a1&#xff08;\u5982\u79d2\u6740\u3001\u4ea4\u6613\u3001\u652f\u4ed8&#xff09;&#xff0c;\u4f1a\u5f15\u53d1\u4e25\u91cd\u7684\u4e1a\u52a1\u5f02\u5e38&#xff0c;\u5982\u8ba2\u5355\u521b\u5efa\u540e\u67e5\u8be2\u4e0d\u5230\u3001\u4f59\u989d\u6263\u51cf\u540e\u67e5\u8be2\u672a\u66f4\u65b0\u3002<\/p>\n<h4>\u95ee\u9898 2&#xff1a;\u8bfb\u5199\u5206\u53d1\u7b56\u7565\u4e0d\u5408\u7406&#xff0c;\u5f15\u53d1\u4e3b\u5e93\u538b\u529b\u56de\u9000\u6216\u4ece\u5e93\u8d1f\u8f7d\u4e0d\u5747<\/h4>\n<p>\u6210\u56e0&#xff1a;\u8bfb\u5199\u5206\u53d1\u89c4\u5219\u672a\u7ed3\u5408\u4e1a\u52a1\u573a\u666f\u8bbe\u8ba1&#xff0c;\u51fa\u73b0\u4e24\u79cd\u6781\u7aef\u60c5\u51b5&#xff1a;\u2460 \u90e8\u5206\u8bfb\u8bf7\u6c42\u88ab\u9519\u8bef\u8def\u7531\u5230\u4e3b\u5e93&#xff08;\u5982\u672a\u505a\u89c4\u5219\u8fc7\u6ee4\u7684 SELECT&#xff09;&#xff0c;\u5bfc\u81f4\u4e3b\u5e93\u627f\u62c5\u989d\u5916\u8bfb\u538b\u529b&#xff0c;\u5931\u53bb\u8bfb\u5199\u5206\u79bb\u7684\u610f\u4e49&#xff1b;\u2461 \u6240\u6709\u8bfb\u8bf7\u6c42\u5747\u5300\u8def\u7531\u5230\u5404\u4ece\u5e93&#xff0c;\u4f46\u90e8\u5206\u4ece\u5e93\u5904\u7406\u6162\u67e5\u8be2&#xff0c;\u90e8\u5206\u5904\u7406\u7b80\u5355\u67e5\u8be2&#xff0c;\u5bfc\u81f4\u4ece\u5e93\u8d1f\u8f7d\u4e0d\u5747&#xff0c;\u90e8\u5206\u4ece\u5e93\u538b\u529b\u8fc7\u9ad8\u5b95\u673a&#xff0c;\u90e8\u5206\u4ece\u5e93\u8d44\u6e90\u95f2\u7f6e\u3002\u8868\u73b0&#xff1a;\u4e3b\u5e93 CPU\/IO \u5229\u7528\u7387\u5c45\u9ad8\u4e0d\u4e0b&#xff0c;\u4ece\u5e93\u96c6\u7fa4\u8d1f\u8f7d\u5dee\u5f02\u5927&#xff08;\u5982\u90e8\u5206\u4ece\u5e93\u8fde\u63a5\u6570\u6ee1&#xff0c;\u90e8\u5206\u4ece\u5e93\u8fde\u63a5\u6570\u4e3a 0&#xff09;&#xff0c;\u6570\u636e\u5e93\u6574\u4f53\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<h4>\u95ee\u9898 3&#xff1a;\u4e8b\u52a1\u5185\u7684\u8bfb\u5199\u4e00\u81f4\u6027\u95ee\u9898<\/h4>\n<p>\u6210\u56e0&#xff1a;MySQL \u7684\u4e8b\u52a1\u5177\u6709\u9694\u79bb\u6027&#xff0c;\u82e5\u4e8b\u52a1\u5185\u5148\u6267\u884c\u5199\u64cd\u4f5c&#xff08;\u8def\u7531\u5230\u4e3b\u5e93&#xff09;&#xff0c;\u518d\u6267\u884c\u8bfb\u64cd\u4f5c&#xff08;\u82e5\u6309\u89c4\u5219\u8def\u7531\u5230\u4ece\u5e93&#xff09;&#xff0c;\u7531\u4e8e\u4e3b\u4ece\u5ef6\u8fdf&#xff0c;\u4ece\u5e93\u65e0\u6cd5\u8bfb\u53d6\u5230\u4e8b\u52a1\u5185\u521a\u5199\u5165\u7684\u6700\u65b0\u6570\u636e&#xff0c;\u8fdd\u53cd\u4e8b\u52a1\u7684\u8bfb\u5199\u4e00\u81f4\u6027&#xff1b;\u6b64\u5916&#xff0c;\u8de8\u4e8b\u52a1\u7684\u8fde\u7eed\u8bfb\u5199&#xff08;\u5982\u5148\u5199\u540e\u8bfb&#xff09;&#xff0c;\u4e5f\u4f1a\u56e0\u5ef6\u8fdf\u51fa\u73b0\u4e00\u81f4\u6027\u95ee\u9898\u3002\u8868\u73b0&#xff1a;\u4e8b\u52a1\u5185\u5199\u64cd\u4f5c\u5b8c\u6210\u540e&#xff0c;\u8bfb\u64cd\u4f5c\u83b7\u53d6\u5230\u65e7\u6570\u636e&#xff0c;\u5bfc\u81f4\u4e1a\u52a1\u903b\u8f91\u5f02\u5e38&#xff08;\u5982\u4e8b\u52a1\u5185\u6263\u51cf\u5e93\u5b58\u540e&#xff0c;\u67e5\u8be2\u5e93\u5b58\u4ecd\u4e3a\u539f\u503c&#xff0c;\u5f15\u53d1\u8d85\u5356&#xff09;\u3002<\/p>\n<h4>\u95ee\u9898 4&#xff1a;\u4ece\u5e93\u6545\u969c\u5f15\u53d1\u7684\u8bfb\u670d\u52a1\u4e0d\u53ef\u7528<\/h4>\n<p>\u6210\u56e0&#xff1a;\u8bfb\u5199\u5206\u79bb\u67b6\u6784\u4e2d&#xff0c;\u4ece\u5e93\u4f5c\u4e3a\u8bfb\u8282\u70b9&#xff0c;\u82e5\u51fa\u73b0\u5355\u673a\u6545\u969c&#xff08;\u5982\u786c\u4ef6\u5b95\u673a\u3001\u6570\u636e\u5e93\u5d29\u6e83\u3001\u7f51\u7edc\u4e2d\u65ad&#xff09;&#xff0c;\u4e14\u67b6\u6784\u4e2d\u65e0\u6545\u969c\u68c0\u6d4b\u548c\u81ea\u52a8\u5207\u6362\u673a\u5236&#xff0c;\u8bfb\u5199\u5206\u53d1\u89c4\u5219\u4ecd\u4f1a\u5c06\u8bfb\u8bf7\u6c42\u8def\u7531\u5230\u6545\u969c\u4ece\u5e93&#xff0c;\u5bfc\u81f4\u90e8\u5206\u8bfb\u8bf7\u6c42\u5931\u8d25\u3002\u8868\u73b0&#xff1a;\u5e94\u7528\u5c42\u51fa\u73b0\u5927\u91cf\u8bfb\u8bf7\u6c42\u8d85\u65f6 \/ \u62a5\u9519&#xff0c;\u90e8\u5206\u7528\u6237\u65e0\u6cd5\u67e5\u8be2\u6570\u636e&#xff0c;\u82e5\u591a\u4e2a\u4ece\u5e93\u540c\u65f6\u6545\u969c&#xff0c;\u4f1a\u5f15\u53d1\u8bfb\u670d\u52a1\u5927\u9762\u79ef\u4e0d\u53ef\u7528\u3002<\/p>\n<h4>\u95ee\u9898 5&#xff1a;DDL\/DML \u5927\u64cd\u4f5c\u5f15\u53d1\u7684\u4e3b\u4ece\u5ef6\u8fdf\u9661\u589e<\/h4>\n<p>\u6210\u56e0&#xff1a;\u4e3b\u5e93\u6267\u884c\u5927\u64cd\u4f5c&#xff08;\u5982\u5927\u8868 ALTER\u3001\u6279\u91cf INSERT\/UPDATE\u3001TRUNCATE \u8868&#xff09;&#xff0c;\u4f1a\u751f\u6210\u5927\u91cf binlog \u65e5\u5fd7&#xff0c;\u4ece\u5e93\u7684 SQL \u7ebf\u7a0b\u91cd\u653e\u8fd9\u4e9b\u65e5\u5fd7\u9700\u8981\u5927\u91cf\u65f6\u95f4&#xff1b;\u540c\u65f6&#xff0c;\u5927\u64cd\u4f5c\u4f1a\u5360\u7528\u4e3b\u5e93 \/ \u4ece\u5e93\u7684\u5927\u91cf\u8d44\u6e90&#xff0c;\u5bfc\u81f4\u6b63\u5e38\u7684\u540c\u6b65\u548c\u8bfb\u64cd\u4f5c\u88ab\u963b\u585e&#xff0c;\u4e3b\u4ece\u5ef6\u8fdf\u4f1a\u4ece\u6beb\u79d2\u7ea7\u9aa4\u589e\u4e3a\u79d2\u7ea7 \/ \u5206\u949f\u7ea7&#xff0c;\u751a\u81f3\u5c0f\u65f6\u7ea7\u3002\u8868\u73b0&#xff1a;\u5927\u64cd\u4f5c\u6267\u884c\u671f\u95f4&#xff0c;\u4ece\u5e93\u6570\u636e\u4e25\u91cd\u6ede\u540e\u4e3b\u5e93&#xff0c;\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u8bfb\u4e1a\u52a1\u51fa\u73b0\u5927\u91cf\u65e7\u6570\u636e&#xff0c;\u5f15\u53d1\u4e1a\u52a1\u5f02\u5e38\u3002<\/p>\n<h4>\u95ee\u9898 6&#xff1a;\u5206\u5e93\u5206\u8868\u67b6\u6784\u4e0b\u7684\u8bfb\u5199\u5206\u79bb\u517c\u5bb9\u95ee\u9898<\/h4>\n<p>\u6210\u56e0&#xff1a;\u82e5\u4e1a\u52a1\u5df2\u505a\u5206\u5e93\u5206\u8868&#xff08;\u5982\u6309\u7528\u6237 ID \u54c8\u5e0c\u5206\u5e93&#xff09;&#xff0c;\u6bcf\u4e2a\u5206\u5e93\u90fd\u6709\u72ec\u7acb\u7684\u4e3b\u4ece\u67b6\u6784&#xff0c;\u6b64\u65f6\u8bfb\u5199\u5206\u79bb\u9700\u8981\u7ed3\u5408\u5206\u5e93\u5206\u8868\u89c4\u5219&#xff0c;\u5b9e\u73b0 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\u65b9\u6cd5\u540d\u6307\u5b9a\u5f3a\u5b9e\u65f6\u8bfb\u8bf7\u6c42\u8d70\u4e3b\u5e93&#xff0c;\u5982 MyBatis \u4e2d\u7ed9\u65b9\u6cd5\u52a0&#064;Master\u6ce8\u89e3&#xff0c;\u6216\u65b9\u6cd5\u540d\u5305\u542bgetLatest\/queryRealTime\u65f6\u8def\u7531\u5230\u4e3b\u5e93&#xff1b;<\/li>\n<li>\u4e2d\u95f4\u4ef6\u4ee3\u7406\u6a21\u5f0f&#xff1a;\u901a\u8fc7\u4e2d\u95f4\u4ef6\u914d\u7f6e\u5f3a\u5236\u8d70\u4e3b\u5e93\u7684\u89c4\u5219&#xff0c;\u5982\u57fa\u4e8e SQL \u5173\u952e\u8bcd&#xff08;\u5982SELECT * FROM t_order WHERE order_id &#061; ?&#xff09;\u3001\u7528\u6237 ID\u3001\u8bf7\u6c42\u5934\u505a\u8def\u7531&#xff0c;\u6ee1\u8db3\u89c4\u5219\u7684\u8bfb\u8bf7\u6c42\u76f4\u63a5\u8f6c\u53d1\u5230\u4e3b\u5e93\u3002\u6838\u5fc3\u4f18\u52bf&#xff1a;\u6539\u9020\u6210\u672c\u4f4e&#xff0c;\u4ec5\u9700\u8c03\u6574\u5206\u53d1\u89c4\u5219&#xff0c;\u4e0d\u5f71\u54cd\u5176\u4ed6\u4e1a\u52a1\u7684\u8bfb\u5199\u5206\u79bb\u6548\u679c\u3002<\/li>\n<h5>\u5206\u5c42 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&#043; \u589e\u91cf\u5907\u4efd&#xff09;&#xff0c;\u907f\u514d\u56e0\u4e3b\u5e93\u6545\u969c\u3001\u6570\u636e\u8bef\u5220\u5bfc\u81f4\u7684\u6570\u636e\u4e22\u5931&#xff1b;\u540c\u65f6&#xff0c;\u6d4b\u8bd5\u5907\u4efd\u6570\u636e\u7684\u6062\u590d\u80fd\u529b&#xff0c;\u4fdd\u8bc1\u6545\u969c\u540e\u80fd\u5feb\u901f\u6062\u590d\u6570\u636e\u3002<\/li>\n<h3>\u4e03\u3001\u603b\u7ed3\u4e0e\u9009\u578b\u539f\u5219<\/h3>\n<p>MySQL \u8bfb\u5199\u5206\u79bb\u662f\u8bfb\u591a\u5199\u5c11\u573a\u666f\u4e0b\u7684\u6570\u636e\u5e93\u6027\u80fd\u4f18\u5316\u9996\u9009\u65b9\u6848&#xff0c;\u5176\u6838\u5fc3\u4ef7\u503c\u662f\u901a\u8fc7\u8bfb\u5199\u538b\u529b\u7684\u7269\u7406\u9694\u79bb&#xff0c;\u63d0\u5347\u6570\u636e\u5e93\u7684\u8bfb\u5e76\u53d1\u80fd\u529b&#xff0c;\u4fdd\u8bc1\u4e3b\u5e93\u5199\u64cd\u4f5c\u7684\u7a33\u5b9a\u6027&#xff1b;\u4f46\u8bfb\u5199\u5206\u79bb\u5e76\u975e 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