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  • mysql恢复binlog

    命令:mysqlbinlog --database=yun --start-datetime="2019-11-25 02:55:01" --stop-datetime="2019-11-26 00:00:00" /data/pyshell/data_sync/files/masteryun.000207 |  mysql -uroot -padmin

    --database  表示指定数据库

    --start-datetime  表示数据恢复的开始时间(就是数据库里面数据操作的真实时间)

    --stop-datetime  表示数据恢复的结束时间

    /data/pyshell/data_sync/files/masteryun.000207  表示binlog文件的绝对路径 

    mysql -uroot -padmin 数据库登录的账号密码

    常见坑:在数据恢复的时候,会有一些报错,将导致恢复直接失败,一般来说都可以通过修改my.cnf来避免出错

    [mysqld]
    
    # 解决数据超时问题(ERROR 2006 (HY000) at line 2202822: MySQL server has gone away)
    
    wait_timeout=2880000
    interactive_timeout = 2880000
    max_allowed_packet = 200M
    
    # 解决备份恢复时,主从数据库写入方式不同问题(ERROR 1666 (HY000) at line 30: Cannot execute statement: impossible to write to binary log since statement is in row format and BINLOG_FORMAT = STATEMENT.)
    # ERROR 1666 (HY000) at line 30: Cannot execute statement: impossible to write to binary log since statement is in row format and BINLOG_FORMAT = STATEMENT.
    binlog_format=mixed 

    # 跳过其他报错
    # ERROR
    1062 (23000) at line 30: Duplicate entry '2965060' for key 'PRIMARY'
    # ERROR
    1032 (HY000) at line 55: Can't find record in 'card_broker_house'
    # ERROR 1452 (23000) at line 659: Cannot add or update a child row: a foreign key constraint fails (`yun`.`fang_houseimg`, CONSTRAINT `fang_houseimg_house_id_755dc6c0_fk_fang_house_id` FOREIGN KEY (`house_id`) REFERENCES `fang_house` (`id`))
    # ERROR 1146 (42S02) at line 523518: Table 'yun.statistics_xf' doesn't exist
    # ERROR 1050 (42S01) at line 4870964: Table 'epay_payextendinfo' already exists
    slave_skip_errors=1062,1032,1452,1146,1050

    后面还有其他问题再更新。。。。

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  • 原文地址:https://www.cnblogs.com/JentZhang/p/11933270.html
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