{"id":6208,"date":"2024-11-14T09:00:36","date_gmt":"2024-11-14T01:00:36","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6208\/"},"modified":"2024-11-14T09:00:36","modified_gmt":"2024-11-14T01:00:36","slug":"mysql%e5%a6%82%e4%bd%95%e5%a4%87%e4%bb%bd%e5%a2%9e%e9%87%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6208\/","title":{"rendered":"mysql\u5982\u4f55\u5907\u4efd\u589e\u91cf"},"content":{"rendered":"<blockquote><p>\n  mysql \u589e\u91cf\u5907\u4efd\u65b9\u6cd5\uff1a\u4f7f\u7528 binlog \u548c change master\uff1a\u542f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5e76\u8bb0\u5f55\u8d77\u59cb\u4f4d\u70b9\uff0c\u4f7f\u7528 mysqldump \u5907\u4efd\u5e76\u66f4\u65b0\u8d77\u59cb\u4f4d\u70b9\u3002\u4f7f\u7528 pt-table-checksum\uff1a\u521b\u5efa\u521d\u59cb\u5feb\u7167\uff0c\u4f7f\u7528 pt-table-checksum \u8fdb\u884c\u589e\u91cf\u5907\u4efd\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202406\/15\/2024061513302944432.jpg\" class=\"aligncenter\" title=\"mysql\u5982\u4f55\u5907\u4efd\u589e\u91cf\u63d2\u56fe\" alt=\"mysql\u5982\u4f55\u5907\u4efd\u589e\u91cf\u63d2\u56fe\" \/><\/p>\n<h2>MySQL \u589e\u91cf\u5907\u4efd\u65b9\u6cd5<\/h2>\n<h3>\u5f00\u95e8\u89c1\u5c71\uff1a\u5982\u4f55\u8fdb\u884c MySQL \u589e\u91cf\u5907\u4efd\uff1f<\/h3>\n<p>MySQL \u63d0\u4f9b\u4e86\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u8fdb\u884c\u589e\u91cf\u5907\u4efd\uff1a<\/p>\n<h3>\u65b9\u6cd5 1\uff1a\u4f7f\u7528 binlog \u548c CHANGE MASTER<\/h3>\n<ol>\n<li> <strong>\u5f00\u542f\u4e8c\u8fdb\u5236\u65e5\u5fd7\u8bb0\u5f55\uff1a<\/strong>\u786e\u4fdd\u5df2\u542f\u7528 MySQL \u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u4ee5\u4fbf\u8bb0\u5f55\u6240\u6709\u6570\u636e\u5e93\u66f4\u6539\u3002<\/li>\n<li> <strong>\u8bb0\u5f55\u8d77\u59cb\u4f4d\u70b9\uff1a<\/strong>\u8bb0\u4e0b\u5f53\u524d\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u548c\u4f4d\u70b9\u3002<\/li>\n<li> <strong>\u8fdb\u884c\u589e\u91cf\u5907\u4efd\uff1a<\/strong>\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u8fdb\u884c\u5907\u4efd\uff1a<\/li>\n<\/ol>\n<pre>mysqldump -B --master-data=2 --start-position=START_POSITION --stop-position=STOP_POSITION DATABASE_NAME &gt; backup.sql<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li> <strong>\u66f4\u65b0\u8d77\u59cb\u4f4d\u70b9\uff1a<\/strong>\u5907\u4efd\u5b8c\u6210\u540e\uff0c\u83b7\u53d6\u65b0\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u548c\u4f4d\u70b9\uff0c\u5e76\u66f4\u65b0 master-data \u503c\u3002<\/li>\n<\/ol>\n<h3>\u65b9\u6cd5 2\uff1a\u4f7f\u7528 pt-table- checksum<\/h3>\n<ol>\n<li> <strong>\u5b89\u88c5 pt-table-checksum \u5de5\u5177\uff1a<\/strong>\u8fd9\u662f\u4e00\u4e2a\u5f00\u6e90\u5de5\u5177\uff0c\u7528\u4e8e\u751f\u6210\u6570\u636e\u5e93\u5feb\u7167\u548c\u8ddf\u8e2a\u66f4\u6539\u3002<\/li>\n<li> <strong>\u521b\u5efa\u5feb\u7167\uff1a<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u521d\u59cb\u5feb\u7167\uff1a<\/li>\n<\/ol>\n<pre>pt-table-checksum --create DATABASE_NAME &gt; snapshot.chk<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<ol>\n<li> <strong>\u589e\u91cf\u5907\u4efd\uff1a<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u589e\u91cf\u5907\u4efd\uff1a<\/li>\n<\/ol>\n<pre>pt-table-checksum --update DATABASE_NAME --base-checksum=snapshot.chk --snapshot=new_snapshot.chk &gt; incremental.sql<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h3>\u8be6\u7ec6\u5c55\u5f00\uff1a<\/h3>\n<p><strong>\u65b9\u6cd5 1 \u7684\u4f18\u70b9\uff1a<\/strong><\/p>\n<ul>\n<li>\u5907\u4efd\u901f\u5ea6\u5feb\uff0c\u56e0\u4e3a\u53ea\u5907\u4efd\u4e86\u81ea\u4e0a\u6b21\u5907\u4efd\u4ee5\u6765\u53d1\u751f\u7684\u66f4\u6539\u3002<\/li>\n<li>\u6062\u590d\u5bb9\u6613\uff0c\u53ea\u9700\u91cd\u653e\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5373\u53ef\u3002<\/li>\n<\/ul>\n<p><strong>\u65b9\u6cd5 1 \u7684\u7f3a\u70b9\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f9d\u8d56\u4e8e\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u5982\u679c\u65e5\u5fd7\u635f\u574f\uff0c\u53ef\u80fd\u5bfc\u81f4\u3002<\/li>\n<li>\u5907\u4efd\u5927\u5c0f\u53d7\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5927\u5c0f\u9650\u5236\u3002<\/li>\n<\/ul>\n<p><strong>\u65b9\u6cd5 2 \u7684\u4f18\u70b9\uff1a<\/strong><\/p>\n<ul>\n<li>\u4e0e\u4e8c\u8fdb\u5236\u65e5\u5fd7\u65e0\u5173\uff0c\u56e0\u6b64\u66f4\u53ef\u9760\u3002<\/li>\n<li>\u5907\u4efd\u5927\u5c0f\u901a\u5e38\u8f83\u5c0f\uff0c\u56e0\u4e3a\u53ea\u5907\u4efd\u4e86\u66f4\u6539\u7684\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<p><strong>\u65b9\u6cd5 2 \u7684\u7f3a\u70b9\uff1a<\/strong><\/p>\n<ul>\n<li>\u5907\u4efd\u901f\u5ea6\u53ef\u80fd\u6bd4\u65b9\u6cd5 1 \u6162\u3002<\/li>\n<li>\u6062\u590d\u9700\u8981\u4f7f\u7528 pt-table-checksum \u5de5\u5177\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5907\u4efd\u589e\u91cf\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>mysql \u589e\u91cf\u5907\u4efd\u65b9\u6cd5\uff1a\u4f7f\u7528 binlog \u548c change master\uff1a\u542f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5e76\u8bb0\u5f55\u8d77\u59cb\u4f4d\u70b9\uff0c\u4f7f\u7528 mysqldump \u5907\u4efd\u5e76\u66f4\u65b0\u8d77\u59cb\u4f4d\u70b9\u3002\u4f7f\u7528 pt-table-checksum\uff1a\u521b\u5efa\u521d\u59cb\u5feb\u7167\uff0c\u4f7f\u7528 pt-table-checksum \u8fdb\u884c\u589e\u91cf\u5907\u4efd\u3002 MySQL \u589e\u91cf\u5907\u4efd\u65b9\u6cd5 \u5f00\u95e8\u89c1\u5c71\uff1a\u5982\u4f55\u8fdb\u884c MySQL \u589e\u91cf\u5907\u4efd\uff1f MySQL \u63d0\u4f9b\u4e86\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u8fdb\u884c\u589e\u91cf\u5907\u4efd\uff1a \u65b9\u6cd5 1\uff1a\u4f7f\u7528 binlog \u548c CHANGE MASTER \u5f00\u542f\u4e8c\u8fdb\u5236\u65e5\u5fd7\u8bb0\u5f55\uff1a\u786e\u4fdd\u5df2\u542f\u7528 MySQL \u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u4ee5\u4fbf\u8bb0\u5f55\u6240\u6709\u6570\u636e\u5e93\u66f4\u6539\u3002 \u8bb0\u5f55\u8d77\u59cb\u4f4d\u70b9\uff1a\u8bb0\u4e0b\u5f53\u524d\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u548c\u4f4d\u70b9\u3002 \u8fdb\u884c\u589e\u91cf\u5907\u4efd\uff1a\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u8fdb\u884c\u5907\u4efd\uff1a mysqldump -B &#8211;master-data=2 &#8211;start-position=START_POSITION &#8211;stop-position=STOP_POSITION DATABASE_NAME &gt; backup.sql \u767b\u5f55\u540e\u590d\u5236 \u66f4\u65b0\u8d77\u59cb\u4f4d\u70b9\uff1a\u5907\u4efd\u5b8c\u6210\u540e\uff0c\u83b7\u53d6\u65b0\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u548c\u4f4d\u70b9\uff0c\u5e76\u66f4\u65b0 master-data \u503c\u3002 \u65b9\u6cd5 2\uff1a\u4f7f\u7528 pt-table- checksum \u5b89\u88c5 pt-table-checksum \u5de5\u5177\uff1a\u8fd9\u662f\u4e00\u4e2a\u5f00\u6e90\u5de5\u5177\uff0c\u7528\u4e8e\u751f\u6210\u6570\u636e\u5e93\u5feb\u7167\u548c\u8ddf\u8e2a\u66f4\u6539\u3002 \u521b\u5efa\u5feb\u7167\uff1a\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u521d\u59cb\u5feb\u7167\uff1a pt-table-checksum &#8211;create DATABASE_NAME &gt; snapshot.chk \u767b\u5f55\u540e\u590d\u5236 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6208","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6208","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=6208"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6208\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}