{"id":243,"date":"2025-02-12T18:30:03","date_gmt":"2025-02-12T10:30:03","guid":{"rendered":"https:\/\/www.xxiaoteng.cn\/?p=243"},"modified":"2026-05-11T21:23:55","modified_gmt":"2026-05-11T13:23:55","slug":"mgr%e7%bb%84%e5%a4%8d%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.xxiaoteng.cn\/?p=243","title":{"rendered":"MGR\u7ec4\u590d\u5236"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"toc-0\">1.MGR\u7279\u70b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u2460 \u9ad8\u4e00\u81f4\u6027\uff0c\u57fa\u4e8e\u539f\u751f\u590d\u5236\u53ca paxos\u534f\u8bae \u7ec4\u590d\u5236\u6280\u672f \uff0c\u5e76\u4ee5\u63d2\u4ef6\u7684\u65b9\u5f0f\u63d0\u4f9b\uff0c\u63d0\u4f9b\u4e00\u81f4\u6570\u636e\u5b89\u5168\u4fdd\u8bc1\uff1b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2461 \u9ad8\u5bb9\u9519\u6027\uff0c\u53ea\u8981\u4e0d\u662f\u5927\u591a\u6570\u8282\u70b9\u574f\u6389\u5c31\u53ef\u4ee5\u7ee7\u7eed\u5de5\u4f5c\uff0c\u6709\u81ea\u52a8\u68c0\u6d4b\u673a\u5236\uff0c\u5f53\u4e0d\u540c\u8282\u70b9\u4ea7\u751f\u8d44\u6e90\u4e89\u7528\u51b2\u7a81\u65f6\uff0c\u4e0d\u4f1a\u51fa\u73b0\u9519\u8bef\uff0c\u6309\u7167\u5148\u5230\u8005\u4f18\u5148\u539f\u5219\u8fdb\u884c\u5904\u7406\uff0c\u5e76\u4e14\u5185\u7f6e\u4e86\u81ea\u52a8\u5316\u8111\u88c2\u9632\u62a4\u673a\u5236\uff1b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2462 \u9ad8\u6269\u5c55\u6027\uff0c\u8282\u70b9\u7684\u65b0\u589e\u548c\u79fb\u9664\u90fd\u662f\u81ea\u52a8\u7684\uff0c\u65b0\u8282\u70b9\u52a0\u5165\u540e\uff0c\u4f1a\u81ea\u52a8\u4ece\u5176\u4ed6\u8282\u70b9\u4e0a\u540c\u6b65\u72b6\u6001\uff0c\u76f4\u5230 \u65b0\u8282\u70b9\u548c\u5176\u4ed6\u8282\u70b9\u4fdd\u6301\u4e00\u81f4\uff0c\u5982\u679c\u67d0\u8282\u70b9\u88ab\u79fb\u9664\u4e86\uff0c\u5176\u4ed6\u8282\u70b9\u81ea\u52a8\u66f4\u65b0\u7ec4\u4fe1\u606f\uff0c\u81ea\u52a8\u7ef4\u62a4\u65b0\u7684\u7ec4\u4fe1\u606f\uff1b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2463 \u9ad8\u7075\u6d3b\u6027\uff0c\u6709\u5355\u4e3b\u6a21\u5f0f\u548c\u591a\u4e3b\u6a21\u5f0f\uff0c\u5355\u4e3b\u6a21\u5f0f\u4e0b\uff0c\u4f1a\u81ea\u52a8\u9009\u4e3b\uff0c\u6240\u6709\u66f4\u65b0\u64cd\u4f5c\u90fd\u5728\u4e3b\u4e0a\u8fdb\u884c\uff1b\u591a\u4e3b\u6a21\u5f0f\u4e0b\uff0c\u6240\u6709 server \u90fd\u53ef\u4ee5\u540c\u65f6\u5904\u7406\u66f4\u65b0\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MGR \u662f MySQL \u6570\u636e\u5e93\u672a\u6765\u53d1\u5c55\u7684\u4e00\u4e2a\u91cd\u8981\u65b9\u5411\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c0f\u7ed3\uff1a\u9ad8\u4e00\u81f4\u6027\uff0c\u9ad8\u5bb9\u9519\u6027\uff0c\u9ad8\u6269\u5c55\u6027\uff0c\u9ad8\u7075\u6d3b\u6027<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc-1\">3. MGR\u7ed3\u6784\u9700\u6c42<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1\uff09\u5f15\u64ce\u5fc5\u987b\u4e3a innodb\uff0c\u56e0\u4e3a\u9700\u4e8b\u52a1\u652f\u6301\u5728 commit \u65f6\u5bf9\u5404\u8282\u70b9\u8fdb\u884c\u51b2\u7a81\u68c0\u67e5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\uff09\u6bcf\u4e2a\u8868\u5fc5\u987b\u6709\u4e3b\u952e\uff0c\u5728\u8fdb\u884c\u4e8b\u52a1\u51b2\u7a81\u68c0\u6d4b\u65f6\u9700\u8981\u5229\u7528\u4e3b\u952e\u503c\u5bf9\u6bd4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3\uff09\u5fc5\u987b\u5f00\u542f binlog \u4e14\u4e3a row \u683c\u5f0f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4\uff09\u5f00\u542f GTID\uff0c\u4e14\u4e3b\u4ece\u72b6\u6001\u4fe1\u606f\u5b58\u4e8e\u8868\u4e2d\uff08--master-info-repository=TABLE \u3001--relay-log-info-repository=TABLE\uff09\uff0c--log-slave-updates \u6253\u5f00<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5\uff09\u4e00\u81f4\u6027\u68c0\u6d4b\u8bbe\u7f6e--transaction-write-set-extraction=XXHASH64<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc-2\">3. MGR\u4f7f\u7528\u9650\u5236<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1\uff09\u548c\u666e\u901a\u590d\u5236 binlog \u6821\u9a8c\u4e0d\u80fd\u5171\u5b58\uff0c\u9700\u8bbe\u7f6e--binlog-checksum=none<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\uff09\u4e0d\u652f\u6301 gap lock\uff08\u95f4\u9699\u9501\uff09\uff0c\u9694\u79bb\u7ea7\u522b\u9700\u8bbe\u7f6e\u4e3a read_committed<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3\uff09\u4e0d\u652f\u6301\u5bf9\u8868\u8fdb\u884c\u9501\u64cd\u4f5c\uff08lock \/unlock table\uff09,\u4e0d\u4f1a\u53d1\u9001\u5230\u5176\u4ed6\u8282\u70b9\u6267\u884c ,\u5f71\u54cd\u9700\u8981\u5bf9\u8868\u8fdb\u884c\u52a0\u9501\u64cd\u4f5c\u7684\u60c5\u51b5\uff0c\u5217\u5165 mysqldump \u5168\u8868\u5907\u4efd\u6062\u590d\u64cd\u4f5c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4\uff09\u4e0d\u652f\u6301 serializable\uff08\u5e8f\u5217\u5316\uff09\u9694\u79bb\u7ea7\u522b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5\uff09DDL \u8bed\u53e5\u4e0d\u652f\u6301\u539f\u5b50\u6027\uff0c\u4e0d\u80fd\u68c0\u6d4b\u51b2\u7a81\uff0c\u6267\u884c\u540e\u9700\u81ea\u884c\u6821\u9a8c\u662f\u5426\u4e00\u81f4\uff1b\u4e0d\u652f\u6301\u5916\u952e\uff1a\u591a\u4e3b\u4e0d\u652f\u6301\uff0c\u5355\u4e3b\u6a21\u5f0f\u4e0d\u5b58\u5728\u6b64\u95ee\u9898\uff1b\u6700\u591a\u652f\u6301 9 \u4e2a\u8282\u70b9\uff1a\u8d85\u8fc7 9 \u53f0 server \u65e0\u6cd5\u52a0\u5165\u7ec4<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.MGR\u7279\u70b9 \u2460 \u9ad8\u4e00\u81f4\u6027\uff0c\u57fa\u4e8e\u539f\u751f\u590d\u5236\u53ca paxos\u534f\u8bae \u7ec4\u590d\u5236\u6280\u672f \uff0c\u5e76\u4ee5\u63d2\u4ef6\u7684\u65b9\u5f0f\u63d0\u4f9b\uff0c\u63d0\u4f9b\u4e00\u81f4\u6570\u636e\u5b89 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-243","post","type-post","status-publish","format-standard","hentry","category-mysql"],"_links":{"self":[{"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/posts\/243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=243"}],"version-history":[{"count":1,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/posts\/243\/revisions"}],"predecessor-version":[{"id":244,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/posts\/243\/revisions\/244"}],"wp:attachment":[{"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}