{"id":3279,"date":"2011-11-20T23:53:29","date_gmt":"2011-11-20T15:53:29","guid":{"rendered":"http:\/\/www.orczhou.com\/?p=3279"},"modified":"2011-11-20T23:53:29","modified_gmt":"2011-11-20T15:53:29","slug":"how-mysql-send-the-binary-log","status":"publish","type":"post","link":"https:\/\/www.orczhou.com\/index.php\/2011\/11\/how-mysql-send-the-binary-log\/","title":{"rendered":"MySQL\u5982\u4f55\u4f20\u8f93\u4e8c\u8fdb\u5236\u65e5\u5fd7"},"content":{"rendered":"<p>MySQL Replication\u53ef\u4ee5\u5f88\u65b9\u4fbf\u7684\u7528\u6765\u505a\u5e94\u7528\u7684\u8bfb\u6269\u5c55\uff0c\u4e5f\u53ef\u4ee5\u5e2eMySQL\u5b9e\u73b0\u4e00\u5b9a\u7a0b\u5ea6\u7684HA\u65b9\u6848\u3002MySQL\u901a\u8fc7<a href=\"http:\/\/www.orczhou.com\/index.php\/2009\/04\/how-mysql-replication-works\/\">\u5411\u5907\u5e93\u4f20\u9001\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6765\u5b9e\u73b0Replication<\/a>\uff0c\u672c\u6587\u5c06\u901a\u8fc7\u4e8c\u8fdb\u5236\u65e5\u5fd7\u76f8\u5173\u6e90\u4ee3\u7801\u7684\u4e3b\u8981\u63a5\u53e3\u6765\u89e3\u91ca\uff1a\u201c<strong>MySQL\u5982\u4f55\u4f20\u8f93\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u662f\u4e3b\u5e93\u63a8\uff0c\u8fd8\u662f\u5907\u5e93\u62c9\uff1fMySQL\u65e5\u5fd7\u4f20\u8f93\u7684\u5b9e\u65f6\u6027\u5982\u4f55\uff1f<\/strong>\u201d\u3002<\/p>\n<p>\u5728MySQL Replication\u7ed3\u6784\u4e2d\uff0c\u5907\u5e93\u7aef\u521d\u6b21\u901a\u8fc7<a href=\"http:\/\/dev.mysql.com\/doc\/refman\/5.1\/en\/change-master-to.html\">CHANGE MASTER TO<\/a>\u5b8c\u6210Replication\u914d\u7f6e\uff0c\u518d\u4f7f\u7528start slave\u547d\u4ee4\u5f00\u59cb\u590d\u5236\u3002\u66f4\u7ec6\u81f4\u7684\uff0c\u5907\u5e93\u901a\u8fc7IO Thread\u5411\u4e3b\u5e93\u53d1\u8d77\u8bfb\u53d6binlog\u7684\u8bf7\u6c42\uff08COM_BINLOG_DUMP\u547d\u4ee4\uff09\uff0c\u4e3b\u5e93\u6536\u5230COM_BINLOG_DUMP\u8bf7\u6c42\u540e\uff0c\u4f7f\u7528\u5355\u72ec\u7ebf\u7a0b\uff08dump thread\uff09\u4e0d\u65ad\u5411\u5907\u5e93IO Thread\u53d1\u9001Binlog\u3002\u793a\u610f\u56fe(<a href=\"http:\/\/farm7.staticflickr.com\/6237\/6369693149_49d43db964_b.jpg\">\u5927\u56fe<\/a>)\uff1a<br \/>\n<a href=\"http:\/\/www.orczhou.com\/wp-content\/uploads\/2011\/11\/how_mysql_send_binary_log.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.orczhou.com\/wp-content\/uploads\/2011\/11\/how_mysql_send_binary_log.jpg\" alt=\"\" title=\"how_mysql_send_binary_log\" width=\"686\" height=\"369\" class=\"alignleft size-full wp-image-3292\" \/><\/a><\/p>\n<p><!--more--><\/p>\n<p>\u5728\u4e3b\u5e93\u7aef\u4e00\u65e6\u6709\u65b0\u7684\u65e5\u5fd7\u4ea7\u751f\u540e\uff0c\u7acb\u523b\u4f1a\u53d1\u9001\u4e00\u6b21\u5e7f\u64ad\uff0cdump\u7ebf\u7a0b\u5728\u6536\u5230\u5e7f\u64ad\u540e\uff0c\u5219\u4f1a\u8bfb\u53d6\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5e76\u901a\u8fc7\u7f51\u7edc\u5411\u5907\u5e93\u4f20\u8f93\u65e5\u5fd7\uff0c\u6240\u4ee5\u8fd9\u662f\u4e00\u4e2a\u4e3b\u5e93\u5411\u5907\u5e93\u4e0d\u65ad\u63a8\u9001\u7684\u8fc7\u7a0b\uff1b<\/p>\n<p>\u65b0\u65e5\u5fd7\u5728\u4ea7\u751f\u540e\uff0c\u53ea\u9700\u4e00\u6b21\u5e7f\u64ad\u548c\u7f51\u7edc\u5c31\u4f1a\u7acb\u523b\uff08<1ms\uff09\u5411\u53d1\u9001\u5230\u5907\u5e93\uff0c\u5982\u679c\u4e3b\u5907\u4e4b\u95f4\u7f51\u7edc\u8f83\u597d\u7684\u8bdd\uff08\u4f8b\u5982RTT<1ms\uff09\uff0c\u5907\u5e93\u7aef\u7684\u65e5\u5fd7\u4e5f\u5c31\u5c0f\u4e8e2ms\u4e86\u3002\u6240\u4ee5\uff0c\u4e00\u822c\u7684\uff08\u4f9d\u8d56\u4e8eRTT\uff09\uff0c\u5907\u5e93\u7684\u5b9e\u65f6\u6027\u90fd\u975e\u5e38\u597d\u3002\n\n\u53c2\u8003\uff1a\n\n1. <a href=\"http:\/\/dev.mysql.com\/doc\/refman\/5.1\/en\/replication.html\">MySQL Replication Manual<\/a><\/p>\n<p>2. <a href=\"http:\/\/www.orczhou.com\/index.php\/2009\/04\/how-mysql-replication-works\/\">\u56fe\u89e3&#8221;How MySQL Replication Works&#8221; <\/a><\/p>\n<p>Have fun!<\/p>\n<p><embed src=\"http:\/\/www.xiami.com\/widget\/0_1025147\/singlePlayer.swf\" type=\"application\/x-shockwave-flash\" width=\"257\" height=\"33\" wmode=\"transparent\"><\/embed><\/p>\n<p>\u5e7f\u544a\uff1a<a href=\"http:\/\/www.orczhou.com\/index.php\/projects\/we-are-hunting-mysql-hacker\/\">\u6211\u4eec\u5bfb\u627e\u9760\u8c31\u7684\u4eba<\/a> | <a href=\"http:\/\/www.orczhou.com\/index.php\/wish-list\/\">\u611f\u8c22\u4f5c\u8005<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL Replication\u53ef\u4ee5\u5f88\u65b9\u4fbf\u7684\u7528\u6765\u505a\u5e94\u7528\u7684\u8bfb\u6269\u5c55\uff0c\u4e5f\u53ef\u4ee5\u5e2eMySQL\u5b9e\u73b0\u4e00\u5b9a\u7a0b\u5ea6\u7684HA\u65b9\u6848\u3002MySQL\u901a\u8fc7\u5411\u5907\u5e93\u4f20\u9001\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6765\u5b9e\u73b0Replication\uff0c\u672c\u6587\u5c06\u901a\u8fc7\u4e8c\u8fdb\u5236\u65e5\u5fd7\u76f8\u5173\u6e90\u4ee3\u7801\u7684\u4e3b\u8981\u63a5\u53e3\u6765\u89e3\u91ca\uff1a\u201cMySQL\u5982\u4f55\u4f20\u8f93\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u662f\u4e3b\u5e93\u63a8\uff0c\u8fd8\u662f\u5907\u5e93\u62c9\uff1fMySQL\u65e5\u5fd7\u4f20\u8f93\u7684\u5b9e\u65f6\u6027\u5982\u4f55\uff1f\u201d\u3002 \u5728MySQL Replication\u7ed3\u6784\u4e2d\uff0c\u5907\u5e93\u7aef\u521d\u6b21\u901a\u8fc7CHANGE MASTER TO\u5b8c\u6210Replication\u914d\u7f6e\uff0c\u518d\u4f7f\u7528start slave\u547d\u4ee4\u5f00\u59cb\u590d\u5236\u3002\u66f4\u7ec6\u81f4\u7684\uff0c\u5907\u5e93\u901a\u8fc7IO Thread\u5411\u4e3b\u5e93\u53d1\u8d77\u8bfb\u53d6binlog\u7684\u8bf7\u6c42\uff08COM_BINLOG_DUMP\u547d\u4ee4\uff09\uff0c\u4e3b\u5e93\u6536\u5230COM_BINLOG_DUMP\u8bf7\u6c42\u540e\uff0c\u4f7f\u7528\u5355\u72ec\u7ebf\u7a0b\uff08dump thread\uff09\u4e0d\u65ad\u5411\u5907\u5e93IO Thread\u53d1\u9001Binlog\u3002\u793a\u610f\u56fe(\u5927\u56fe)\uff1a<\/p>\n","protected":false},"author":1,"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-3279","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\/3279","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/comments?post=3279"}],"version-history":[{"count":7,"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/posts\/3279\/revisions"}],"predecessor-version":[{"id":3299,"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/posts\/3279\/revisions\/3299"}],"wp:attachment":[{"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/media?parent=3279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/categories?post=3279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.orczhou.com\/index.php\/wp-json\/wp\/v2\/tags?post=3279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}