{"id":174,"date":"2011-06-03T16:43:26","date_gmt":"2011-06-03T16:43:26","guid":{"rendered":"bf8229696f7a3bb4700cfddef19fa23f"},"modified":"2011-06-03T16:43:26","modified_gmt":"2011-06-03T16:43:26","slug":"","status":"publish","type":"post","link":"https:\/\/www.xiaobo.li\/notes\/archives\/174","title":{"rendered":"\u5220\u9664MYSQl BIN-LOG \u65e5\u5fd7"},"content":{"rendered":"

1.\u67e5\u627e\u5f53\u524d\u6709\u54ea\u4e9b\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\uff1a<\/span><\/b>
\n mysql> show binary
\nlogs;<\/span>
\n +------------------+-----------+<\/span>
\n | Log_name | File_size
\n|<\/span>
\n +------------------+-----------+<\/span>
\n | mysql-bin.000001 | 1357315 | <\/span>
\n |
\nmysql-bin.000002 | 117 | <\/span>
\n | mysql-bin.000003 | 404002 | <\/span>
\n |
\nmysql-bin.000004 | 2050722 | <\/span>
\n | mysql-bin.000005 | 139103 | <\/span>
\n |
\nmysql-bin.000006 | 46702 | <\/span>
\n | mysql-bin.000007 | 117 | <\/span>
\n | mysql-bin.000008
\n| 98 | <\/span>
\n | mysql-bin.000009 | 117 | <\/span>
\n | mysql-bin.000010 | 1254 | <\/span>
\n |
\nmysql-bin.000011 | 117 | <\/span>
\n | mysql-bin.000012 | 29394942 | <\/span>
\n |
\nmysql-bin.000013 | 422100 | <\/span>
\n | mysql-bin.000014 | 117 | <\/span>
\n |
\nmysql-bin.000015 | 117 | <\/span>
\n | mysql-bin.000016 | 98 | <\/span>
\n | mysql-bin.000017 |
\n117 | <\/span>
\n | mysql-bin.000018 | 117 | <\/span>
\n | mysql-bin.000019 | 285300 | <\/span>
\n |
\nmysql-bin.000020 | 181229 | <\/span>
\n | mysql-bin.000021 | 98 | <\/span>
\n +------------------+-----------+<\/span>
\n 21 rows in set (0.03
\nsec)<\/p>\n

<\/span>
\n 2.\u5220\u9664bin-log(\u5220\u9664mysql-bin.000018\u4e4b\u524d\u7684\u6240\u6709\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6) <\/b><\/span>
\n mysql> purge binary
\nlogs to 'mysql-bin.000018';<\/span>
\n Query OK, 0 rows affected (0.08 sec)
\n<\/span>
\n mysql>
\nshow binary logs;<\/span>
\n +------------------+-----------+<\/span>
\n | Log_name | File_size
\n|<\/span>
\n +------------------+-----------+<\/span>
\n | mysql-bin.000018 | 117 | <\/span>
\n |
\nmysql-bin.000019 | 285300 | <\/span>
\n | mysql-bin.000020 | 181229 | <\/span>
\n |
\nmysql-bin.000021 | 98 | <\/span>
\n +------------------+-----------+<\/span>
\n 4 rows in set
\n(0.00 sec)<\/span>
\n mysql> show binlog
\nevents;<\/span>
\n +------------------+-----+-------------+-----------+-------------+---------------------------------------+<\/span><\/span>
\n <\/span> |
\nLog_name | Pos | Event_type | Server_id | End_log_pos | Info
\n|<\/span>
\n <\/span> +------------------+-----+-------------+-----------+-------------+---------------------------------------+<\/span>
\n <\/span> |
\nmysql-bin.000018 | 4 | Format_desc | 1 | 98 | Server ver: 5.0.45-log, Binlog
\nver: 4 | <\/span>
\n <\/span> | mysql-bin.000018 | 98 | Stop | 1 | 117 | | <\/span>
\n <\/span> +------------------+-----+-------------+-----------+-------------+---------------------------------------+<\/span>
\n 2
\nrows in set (0.01 sec)<\/span><\/p>\n

\n\u5220\u9664\u8bf4\u660e\uff1a<\/b>
\n\u5982\u679c\u6ca1\u6709\u4e3b\u4ece\u590d\u5236\uff0c\u53ef\u4ee5\u901a\u8fc7reset master\u7684\u65b9\u5f0f\uff0c\u91cd\u7f6e\u6570\u636e\u5e93\u65e5\u5fd7\uff0c\u6e05\u9664\u4e4b\u524d\u7684\u65e5\u5fd7\u6587\u4ef6\uff1a<\/span><\/p>\n

reset master;<\/span><\/p><\/blockquote>\n

\n\u4f46\u662f\u5982\u679c\u5b58\u5728\u590d\u5236\u5173\u7cfb\uff0c\u5e94\u5f53\u901a\u8fc7PURGE\u7684\u65b9\u5f0f\u6765\u6e05\u7406bin\u65e5\u5fd7\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/span><\/p>\n

PURGE {MASTER | BINARY} LOGS TO 'log_name'<\/span>
\nPURGE {MASTER | BINARY} LOGS BEFORE 'date'<\/span><\/p><\/blockquote>\n

\u7528\u4e8e\u5220\u9664\u5217\u4e8e\u5728\u6307\u5b9a\u7684\u65e5\u5fd7\u6216\u65e5\u671f\u4e4b\u524d\u7684\u65e5\u5fd7\u7d22\u5f15\u4e2d\u7684\u6240\u6709\u4e8c\u8fdb\u5236\u65e5\u5fd7\u3002\u8fd9\u4e9b\u65e5\u5fd7\u4e5f\u4f1a\u4ece\u8bb0\u5f55\u5728\u65e5\u5fd7\u7d22\u5f15\u6587\u4ef6\u4e2d\u7684\u6e05\u5355\u4e2d\u88ab\u5220\u9664\uff0c\u8fd9\u6837\u88ab\u7ed9\u5b9a\u7684\u65e5\u5fd7\u6210\u4e3a\u7b2c\u4e00\u4e2a\u3002<\/span><\/p>\n

\u4f8b\u5982\uff1a<\/span><\/strong><\/p>\n

PURGE MASTER LOGS TO 'mysql-bin.010';<\/span>
\nPURGE MASTER LOGS BEFORE '2014-08-30 00:00:00';  \/\/\u6e05\u7406\u8be5\u65e5\u671f\u4e4b\u524d\u7684\u6570\u636e<\/span>
\nPURGE MASTER LOGS BEFORE DATE_SUB( NOW( ), INTERVAL 3 DAY);  \/\/\u6e05\u96643\u5929\u524d\u7684<\/span>\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"

1.\u67e5\u627e\u5f53\u524d\u6709\u54ea\u4e9b\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\uff1a
\nmysql> show binary
\nlogs;
\n+------------------+-----------+
\n| Log_name | File_size
\n|
\n+------------------+-----------+
\n| mysql-bin.000001 | 1357315 |
\n|
\nmysql-bin.000002 | 117 |
\n| mysql-bin.000003 | 404002 |
\n|
\nmysql-bin.000004 | 2050722 |
\n| mysql-bin.000005 | 13... \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[288],"tags":[2],"class_list":["post-174","post","type-post","status-publish","format-standard","hentry","category-db","tag-MySQL"],"_links":{"self":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/174","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/comments?post=174"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/174\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/media?parent=174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/categories?post=174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/tags?post=174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}