{"id":567,"date":"2021-07-02T16:20:27","date_gmt":"2021-07-02T08:20:27","guid":{"rendered":"https:\/\/twocups.cn\/?p=567"},"modified":"2021-10-29T22:53:05","modified_gmt":"2021-10-29T14:53:05","slug":"44","status":"publish","type":"post","link":"https:\/\/twocups.cn\/index.php\/2021\/07\/02\/44\/","title":{"rendered":"Mysql\u4e3b\u4ecegtid\u4e0d\u4e00\u81f4\u95ee\u9898\u7684\u5206\u7c7b\u548c\u67e5\u627e"},"content":{"rendered":"\n<p><img width=\"80\" src=\"https:\/\/twocups.cn\/wp-content\/uploads\/2019\/12\/logo%E6%A8%AA.png\" alt=\"\">\u7248\u6743\u58f0\u660e\uff1a\u672c\u6587\u4e3a\u535a\u4e3b\u539f\u521b\u6587\u7ae0\uff0c\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904\uff1a<a href=\"https:\/\/twocups.cn\/index.php\/2021\/07\/02\/44\/\">https:\/\/twocups.cn\/index.php\/2021\/07\/02\/44\/<\/a><\/p>\n\n\n\n<h2>gtid\u4e3b\u4ece\u4e0d\u4e00\u81f4\u60c5\u51b5\u5206\u7c7b<\/h2>\n\n\n\n<ol><li>\u4ece\u5e93gtid\u591a\u4e8e\u4e3b\u5e93\uff08\u4e00\u822c\u662f\u4ece\u5e93\u5f00\u542f\u4e86\u5199\u64cd\u4f5c\uff09<\/li><li>\u4ece\u5e93gtid\u5c11\u4e8e\u4e3b\u5e93\uff08\u4e00\u822c\u662f\u53d1\u751f\u4e86\u5b95\u673a\uff09<\/li><li>\u4ece\u5e93\u4e0a\u6ca1\u6709\u5168\u90e8\u7684\u4e3b\u5e93\u5df2\u7ecf\u5220\u9664\u7684gtid<\/li><\/ol>\n\n\n\n<h2>gtid\u4e3b\u4ece\u4e0d\u4e00\u81f4\u60c5\u51b5\u626b\u63cf\u811a\u672c\u903b\u8f91<\/h2>\n\n\n\n<p>\u6211\u5199\u4e86\u4e00\u4e2a gtid \u4e3b\u4ece\u4e0d\u4e00\u81f4\u626b\u63cf\u811a\u672c\uff0c\u8fd0\u884c\u5728\u96c6\u7fa4\u7ba1\u63a7\u8282\u70b9\u4e0a\uff0c\u6bcf\u5929\u626b\u63cf\u4e00\u4e0b\u96c6\u7fa4\u5185\u7684 gtid \u5f02\u5e38\u60c5\u51b5\u3002\u4f01\u4e1a\u5b9e\u9645\u73af\u5883\u4e2d\u4e0d\u662f\u5f88\u63a8\u8350\u50cf\u6211\u4e00\u6837\u7528 shell \u811a\u672c\u53bb\u5199\uff0c\u56e0\u4e3a\u592a\u4f9d\u8d56\u673a\u5668\u73af\u5883\u4e86\u3002\u6700\u597d\u4f7f\u7528 Go \u4e4b\u7c7b\u7684\u8bed\u8a00\u53bb\u5199\uff0c\u800c\u4e14 Go \u672c\u8eab\u4e5f\u6709\u5f88\u591a\u5c01\u88c5\u597d\u7684\u5e93\uff0c\u5199\u8d77\u6765\u4f1a\u66f4\u65b9\u4fbf\u3002\u5e76\u4e14\uff0c\u7528 Go \u5199\u4e4b\u540e\u8fd8\u53ef\u4ee5\u548c\u516c\u53f8\u5185\u90e8\u7684\u4e00\u4e9b\u5de1\u68c0\u6216\u76d1\u89c6\u5e73\u53f0\u914d\u5408\u3002<\/p>\n\n\n\n<p>\u6211\u8bf4\u4e00\u4e0b\u811a\u672c\u7684\u626b\u63cf\u903b\u8f91\u3002\u9996\u5148\uff0c\u5728\u96c6\u7fa4\u7ba1\u63a7\u8282\u70b9\u4e0a\u641c\u7d22\u96c6\u7fa4\u4e2d\u6240\u6709\u7684 mysql \u5b9e\u4f8b id\uff0c\u4ee5\u53ca\u4e3b\u4ece\u5e93\u7684 ip \u5730\u5740\u548c\u7aef\u53e3\uff0c\u7136\u540e\u5bf9\u6bcf\u4e2a\u5b9e\u4f8b\u8fd0\u884c\u4ee5\u4e0b\u626b\u63cf\u903b\u8f91\u3002<\/p>\n\n\n\n<h3>1. \u524d\u7f6e\u68c0\u67e5<\/h3>\n\n\n\n<ol><li>\u68c0\u67e5gtid\u6a21\u5f0f\u662f\u5426\u5f00\u542f<\/li><li>\u68c0\u67e5\u6570\u636e\u5e93\u7c7b\u578b<\/li><\/ol>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u4eec\u8981\u68c0\u67e5gtid\u662f\u5426\u5f00\u542f\uff0c\u5982\u679c\u6ca1\u6709\u5f00\u542f\u5c31\u76f4\u63a5\u62a5\u9519\uff0c\u5e76\u7ed3\u675f\u8fd9\u4e2a\u5b9e\u4f8b\u7684\u626b\u63cf\u3002<\/p>\n\n\n\n<h3>2. \u91c7\u96c6gtid<\/h3>\n\n\n\n<ol><li>\u91c7\u96c6\u4ece\u5e93gtid\u548cuuid<\/li><li>\u505c\u987f<\/li><li>\u91c7\u96c6\u4e3b\u5e93gtid\u548cuuid<\/li><\/ol>\n\n\n\n<p>\u91c7\u96c6\u4ece\u5e93 gtid \u4e00\u5b9a\u8981\u5728\u4e3b\u5e93\u524d\u9762\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e3b\u5e93\u7684gtid\u6bd4\u4ece\u5e93\u66f4\u65b0\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u51fa\u73b0\u4ece\u5e93gtid\u8dd1\u5728\u4e3b\u5e93\u524d\u9762\u7684\u5947\u602a\u60c5\u51b5\u3002\u56e0\u4e3a\u6211\u4eec\u96c6\u7fa4\u6bd4\u8f83\u5927\uff0c\u6240\u4ee5\u5411\u4e3b\u4ece\u5e93\u8bf7\u6c42gtid\u4f1a\u6709\u4e00\u5b9a\u7a0b\u5ea6\u7684\u5ef6\u8fdf\uff0c\u8fd8\u662f\u4f1a\u6709\u53ef\u80fd\u5f15\u53d1\u4ece\u5e93gtid\u6bd4\u4e3b\u5e93\u66f4\u65b0\u7684\u60c5\u51b5\uff0c\u6240\u4ee5\u6211\u8fd8\u662f\u5728\u4e2d\u95f4\u505c\u987f\u4e860.1s\uff0c\u4fdd\u8bc1\u4e86\u4e3b\u5e93gtid\u4e00\u5b9a\u6bd4\u4ece\u5e93\u7684\u66f4\u65b0\u3002<\/p>\n\n\n\n<h3>3. \u67e5\u627e\u591a\u7684gtid<\/h3>\n\n\n\n<ol><li>\u91c7\u96c6\u4ece\u5e93\u6bd4\u4e3b\u5e93\u591a\u7684gtid<\/li><li>\u7b2c\u4e00\u6b21\u91c7\u96c6\u4e3b\u5e93\u6bd4\u4ece\u5e93\u591a\u7684gtid<\/li><li>\u505c\u987f<\/li><li>\u7b2c\u4e8c\u6b21\u91c7\u96c6\u4e3b\u5e93\u6bd4\u4ece\u5e93\u591a\u7684gtid<\/li><li>\u6839\u636e\u4e24\u6b21\u91c7\u96c6\u7684\u7ed3\u679c\uff0c\u8ba1\u7b97\u51fa\u4e3b\u5e93\u6bd4\u4ece\u5e93\u591a\u7684gtid\u4e2d\u5f02\u5e38\u7684\u90a3\u90e8\u5206<\/li><li>\u5206\u6790\u4e3b\u5e93\u6bd4\u4ece\u5e93\u591a\u7684gtid<\/li><li>\u5206\u6790\u4ece\u5e93\u6bd4\u4e3b\u5e93\u591a\u7684gtid<\/li><\/ol>\n\n\n\n<p>\u770b\u5230\u8fd9\u4e2a\u903b\u8f91\uff0c\u4e00\u5b9a\u4f1a\u60f3\u5230\u4e00\u4e2a\u95ee\u9898\uff1a\u4e3a\u4ec0\u4e48\u91c7\u96c6\u4ece\u5e93\u6bd4\u4e3b\u5e93\u591a\u7684 gtid \u53ea\u9700\u8981\u91c7\u96c6\u4e00\u6b21\uff0c\u800c\u91c7\u96c6\u4e3b\u5e93\u6bd4\u4ece\u5e93\u591a\u7684 gtid \u8981\u91c7\u96c6\u4e24\u6b21\u5462\uff1f<\/p>\n\n\n\n<p>\u4ece\u5e93\u6bd4\u4e3b\u5e93\u591a\u7684 gtid \u53ea\u9700\u8981\u91c7\u96c6\u4e00\u6b21\u662f\u56e0\u4e3a\uff0c\u4ece\u5e93\u7684 gtid \u672c\u8eab\u5c31\u4e0d\u5e94\u8be5\u6bd4\u4e3b\u5e93\u591a\uff0c\u4ece\u5e93\u7684 gtid \u5e94\u8be5\u548c\u4e3b\u5e93\u662f\u4e00\u6837\u7684\uff0c\u6216\u8005\u56e0\u4e3a\u5ef6\u8fdf\uff0c\u4e3b\u5e93\u7684 gtid \u6bd4\u4e3b\u5e93\u7a0d\u5fae\u6162\u4e00\u4e9b\u3002\u5982\u679c\u4ece\u5e93\u7684 gtid \u6bd4\u4e3b\u5e93\u591a\uff0c\u90a3\u4e48\u591a\u51fa\u6765\u7684\u90a3\u90e8\u5206\u4e00\u5b9a\u662f\u6709\u95ee\u9898\u7684 gtid\u3002<\/p>\n\n\n\n<p>\u4f46\u662f\u4e3b\u5e93 gtid \u6bd4\u4ece\u5e93\u591a\u662f\u6b63\u5e38\u7684\uff0c\u56e0\u4e3a\u6211\u4eec\u662f\u5148\u91c7\u96c6\u4ece\u5e93\u518d\u91c7\u96c6\u4e3b\u5e93\uff0c\u8fd9\u5c31\u5bfc\u81f4\u4e3b\u5e93\u7684 gtid \u6bd4\u4ece\u5e93\u7684\u66f4\u65b0\u3002\u5728\u6211\u4eec\u91c7\u96c6\u4e24\u8005\u7684\u95f4\u9694\uff0c\u4e3b\u5e93\u4e5f\u53ef\u80fd\u5728\u6e90\u6e90\u4e0d\u65ad\u5730\u4ea7\u751f\u65b0\u7684 gtid\uff0c\u6240\u4ee5\u4e3b\u5e93\u7684 gtid \u4f1a\u6bd4\u4ece\u5e93\u66f4\u591a\u3002\u90a3\u6211\u4eec\u53ef\u4ee5\u5148\u91c7\u96c6\u4e3b\u5e93\u518d\u91c7\u96c6\u4ece\u5e93\u5417\uff1f\u90a3\u66f4\u4e0d\u884c\uff0c\u5426\u5219\u4f60\u5c31\u4f1a\u770b\u5230\u4ece\u5e93\u7684 gtid \u8dd1\u5230\u4e3b\u5e93\u524d\u9762\u53bb\uff0c\u8fd9\u66f4\u79bb\u8c31\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\uff0c\u6211\u4eec\u9700\u8981\u91c7\u96c6\u4e24\u6b21\u4e3b\u5e93\u6bd4\u4ece\u5e93\u591a\u51fa\u7684 gtid\uff0c\u5e76\u4e14\u5728\u4e24\u6b21\u91c7\u96c6\u4e2d\u52a0\u4e00\u4e2a\u65f6\u95f4\u95f4\u9694\uff0c\u76ee\u7684\u662f\u533a\u5206\u51fa\u6240\u6709\u7684\u4e3b\u5e93\u6b63\u5728\u589e\u957f\u7684 gtid\u3002\u8fd9\u91cc\u6211\u4eec\u7528\u5230\u4e86 mysql \u63d0\u4f9b\u7684\u4e00\u4e2a\u5173\u4e8e gtid \u7684\u51fd\u6570\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">select gtid_subtract('A', 'B')<\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u51fd\u6570\u7684\u4f5c\u7528\u662f\u6c42\u51fa gtid \u96c6\u5408 A \u4e0e gtid \u96c6\u5408 B \u7684\u5dee\u503c\uff0c\u5177\u4f53\u6765\u8bf4\uff0c\u662f\u6c42\u51fa A \u96c6\u5408\u4e2d\u6709\u3001\u800c B \u96c6\u5408\u4e2d\u6ca1\u6709\u7684 gtid\u3002\u6362\u8a00\u4e4b\uff0c\u8fd9\u4e2a\u51fd\u6570\u53ef\u4ee5\u5728 A \u96c6\u5408\u4e2d\u53bb\u6389 A \u548c B \u96c6\u5408\u76f8\u540c\u7684 gtid\u3002<\/p>\n\n\n\n<p><strong>\u597d\u6d88\u606f<\/strong>\u662f\uff0c\u8fd9\u4e2a\u51fd\u6570\u975e\u5e38\u65b9\u4fbf\u3002\u5982\u679c\u6ca1\u6709\u8fd9\u4e2a\u51fd\u6570\uff0c\u6211\u4eec\u5c31\u9700\u8981\u53bb\u6bd4\u8f83 gtid \u7684\u5b57\u7b26\u4e32\u4e86\uff0c\u975e\u5e38\u9ebb\u70e6\u3002<\/p>\n\n\n\n<p><strong>\u574f\u6d88\u606f<\/strong>\u662f\uff0c\u5173\u4e8e gtid \u7684\u51fd\u6570\uff0cmysql \u5c31\u63d0\u4f9b\u4e86\u8fd9\u4e48\u4e00\u4e2a\u3002\u6211\u4eec\u80fd\u7528\u7684\u4e5f\u53ea\u6709\u5b83\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u901a\u8fc7\u8fde\u7eed\u4f7f\u7528\u4e24\u6b21\u8fd9\u4e2a\u51fd\u6570\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230\u4e24\u6b21\u91c7\u96c6\u7684\u4e3b\u5e93\u6bd4\u4ece\u5e93\u591a\u7684 gtid \u7ed3\u679c\u4e2d\u91cd\u5408\u7684\u90a3\u4e00\u90e8\u5206\uff0c\u8fd9\u5c31\u662f\u4e3b\u5e93 gtid \u6bd4\u4ece\u5e93\u591a\u7684 gtid \u4e2d\u5f02\u5e38\u7684\u90a3\u90e8\u5206\u3002<\/p>\n\n\n\n<p>\u8fd9\u91cc\u5176\u5b9e\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\uff0c\u90a3\u5c31\u662f\u4e24\u6b21\u91c7\u96c6\u91cd\u5408\u7684\u90e8\u5206\uff0c\u4e0d\u4e00\u5b9a\u662f\u5f02\u5e38\u7684\u90e8\u5206\uff0c\u8fd8\u53ef\u80fd\u662f\u6b63\u5728\u6b63\u5e38\u589e\u957f\u7684 gtid\u3002\u6240\u4ee5\u6211\u4eec\u91c7\u96c6\u4e24\u6b21\u7684\u65f6\u95f4\u95f4\u9694\u53ef\u4ee5\u957f\u4e00\u4e9b\uff0c\u6211\u81ea\u5df1\u8bbe\u7f6e\u7684\u662f0.5s\u3002\u5982\u679c\u4e24\u6b21\u91c7\u96c6\u7684\u90e8\u5206\u4e2d\u4ecd\u7136\u51fa\u73b0\u4e86\u6b63\u5e38\u589e\u957f\u7684 gtid\uff0c\u90a3\u4e48\u8bf4\u660e\u4e3b\u4ece\u5e93\u5b58\u5728<strong>\u5ef6\u8fdf\u5927<\/strong>\u7684\u95ee\u9898\u3002\u68c0\u6d4b\u4e3b\u4ece\u5e93\u5ef6\u8fdf\u662f\u5426\u8fc7\u5927\uff0c\u4e5f\u6b63\u662f\u6211\u4eec\u8bbe\u7f6e\u65f6\u95f4\u95f4\u9694\u7684\u7b2c\u4e8c\u4e2a\u539f\u56e0\u3002<\/p>\n\n\n\n<h3>4. \u67e5\u627e\u4e3b\u5e93\u4e2d\u5df2\u7ecf\u5220\u9664\u4f46\u4ece\u5e93\u4e2d\u672a\u51fa\u73b0\u8fc7\u7684gtid<\/h3>\n\n\n\n<ol><li>\u91c7\u96c6\u4ece\u5e93\u63a5\u6536\u5230\u4f46\u672a\u6267\u884c\u7684 gtid + \u4ece\u5e93\u5df2\u6267\u884c\u7684 gtid\uff08\u4e24\u8005\u662f\u6709\u91cd\u5408\u7684\uff09<\/li><li>\u5206\u79bb\u51fa\u4ece\u5e93\u6536\u5230\u4f46\u672a\u6267\u884c\u7684 gtid<\/li><li>\u91c7\u96c6\u4ece\u5e93\u5df2\u5220\u9664\u7684 gtid<\/li><li>\u91c7\u96c6\u4e3b\u5e93\u5df2\u5220\u9664\u7684 gtid<\/li><li>\u4ece\u4e3b\u5e93\u5df2\u5220\u9664\u7684 gtid \u4e2d\u4f9d\u6b21\u8fc7\u6ee4\u6389\u4ece\u5e93\u4e2d\u51fa\u73b0\u8fc7\u7684 gtid<\/li><\/ol>\n\n\n\n<p>\u6211\u6ca1\u627e\u5230\u5355\u72ec\u91c7\u96c6\u4ece\u5e93\u63a5\u6536\u5230\u4f46\u672a\u6267\u884c\u7684 gtid \u7684\u65b9\u6cd5\uff0c\u6211\u53ea\u80fd\u4ece mysql \u6307\u4ee4\u201cshow slave status\u201d\u91cc\u9762\u7684\u53c2\u6570\u201cRetrieved_Gtid_Set\u201d\u91cc\u9762\u5f97\u77e5\u8be5\u6570\u636e\u3002\u4f46\u8fd9\u4e2a\u53c2\u6570\u53c8\u4e0d\u80fd\u5355\u72ec\u91c7\u96c6\uff0c\u6240\u4ee5\u6211\u53ea\u80fd\u8fde\u5b83\u548c\u201cExecuted_Gtid_Set\u201d\u4e00\u8d77\u91c7\u96c6\u4e86\u3002\u4f46\u662f\u5b83\u4eec\u4fe9\u7684 gtid 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