{"id":192,"date":"2009-04-22T18:10:13","date_gmt":"2009-04-22T10:10:13","guid":{"rendered":"http:\/\/orczhou.com\/?p=192"},"modified":"2011-11-20T23:18:17","modified_gmt":"2011-11-20T15:18:17","slug":"how-mysql-replication-works","status":"publish","type":"post","link":"https:\/\/www.orczhou.com\/index.php\/2009\/04\/how-mysql-replication-works\/","title":{"rendered":"\u56fe\u89e3&#8221;How MySQL Replication Works&#8221;"},"content":{"rendered":"<p>\u4e0a\u56fe\u5148\uff1a<br \/>\n<a href=\"http:\/\/www.flickr.com\/photos\/26825745@N06\/3455232156\/\" title=\"replication by orczhou, on Flickr\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/farm4.static.flickr.com\/3660\/3455232156_dc09e11b22_o.jpg\" width=\"616\" height=\"610\" alt=\"replication\" \/><\/a><!--more--><\/p>\n<p><a href=\"http:\/\/farm4.static.flickr.com\/3660\/3455232156_c16f2f1d66.jpg?v=0\" target=\"_blank\"><\/a>\u5728\u4f7f\u7528MySQL\u7684\u5e94\u7528\u4e2d\uff0c\u5982\u679c\u4f60\u7684MySQL Server\u538b\u529b\u9010\u6e10\u589e\u5927\uff0c\u5728\u5e94\u7528\u5c42\u4f18\u5316\u5df2\u7ecf\u5230\u4e86\u4e00\u5b9a\u74f6\u9888\u65f6\uff0c\u90a3\u4e48\u4f60\u5e94\u8be5\u9996\u5148\u8003\u8651<a href=\"http:\/\/dev.mysql.com\/doc\/refman\/5.0\/en\/replication.html\" target=\"_blank\">MySQL_Replication<\/a>\u3002\u672c\u6587\u5c06\u5229\u7528\u56fe\u793a\u7684\u65b9\u5f0f\u7b80\u5355\u7684\u63cf\u8ff0\u51faMySQL Replication\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u3002<\/p>\n<p><span style=\"color: #0000ff;\"><strong>\u5982\u4f55\u540c\u6b65<\/strong><\/span><\/p>\n<ol>\n<li>\u4e3b\u5e93\u5c06\u6240\u6709\u7684\u66f4\u65b0\u64cd\u4f5c\uff0c\u5199\u5165\u4e8c\u8fdb\u5236\u65e5\u5fd7\u3002<\/li>\n<li>\u4ece\u5e93\u8fd0\u884c&#8221;IO\u7ebf\u7a0b&#8221;\uff08Slave IO Thread\uff09\u8bfb\u53d6\u4e3b\u5e93\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u3002<\/li>\n<li>\u4ece\u5e93\u8fd0\u884c&#8221;SQL\u7ebf\u7a0b&#8221;\uff08Slave SQL Thread\uff09\u6267\u884cIO\u7ebf\u7a0b\uff08Slave IO Thread\uff09\u8bfb\u53d6\u7684\u65e5\u5fd7\u4e2d\u7684SQL,\u4ece\u800c\u4fdd\u6301\u548c\u4e3b\u5e93\u7684\u4e00\u81f4\u3002<\/li>\n<\/ol>\n<p><strong><span style=\"color: #0000ff;\">\u5982\u4f55\u5206\u914d\u8bf7\u6c42<\/span><\/strong><\/p>\n<ol>\n<li>\u76ee\u524d\uff0c\u8fd9\u90e8\u5206\u9700\u8981\u5728\u5e94\u7528\u5c42\u5b9e\u73b0\u3002<\/li>\n<li>\u6267\u884c\u66f4\u65b0SQL(UPDATE\uff0cINSERT\uff0cDELETE)\u65f6\uff0c\u8bf7\u6c42\u4e3b\u5e93\u3002<\/li>\n<li>\u6267\u884c\u67e5\u8be2SQL(SELECT)\u65f6\uff0c\u8bf7\u6c42\u4ece\u5e93\u3002<\/li>\n<\/ol>\n<p>\u6240\u4ee5\uff0c\u5f53\u4f60\u7684\u5e94\u7528(Application)SELECT\u8bf7\u6c42\u6240\u5360\u7684\u6bd4\u7387\u8d8a\u5927\uff0c\u90a3\u4e48Relication\u5c31\u4f1a\u8d8a\u6709\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0a\u56fe\u5148\uff1a<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","inline_featured_image":false,"_tocer_settings":[],"footnotes":""},"categories":[6],"tags":[37,45],"class_list":["post-192","post","type-post","status-publish","format-standard","hentry","category-mysql","tag-replication","tag-45"],"_links":{"self":[{"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/posts\/192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/comments?post=192"}],"version-history":[{"count":15,"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/posts\/192\/revisions"}],"predecessor-version":[{"id":3291,"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/posts\/192\/revisions\/3291"}],"wp:attachment":[{"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/media?parent=192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/categories?post=192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/tags?post=192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}