报错问题：InnoDB: Error: log file ./ib_logfile0 is of different size

在使用xtrabackup对mysql执行备份操作的时候，出现下面的报错：
.....................
xtrabackup: innodb_log_file_size = 50331648
InnoDB: Error: log file ./ib_logfile0 is of different size 33554432 bytes
InnoDB: than specified in the .cnf file 50331648 bytes!

解决办法：
可以计算一下33554432的大小，33554432/1024/1024=32
查看my.cnf配置文件的innodb_log_file_size参数配置：
innodb_log_file_size = 32M

需要调整这个文件的大小
再计算一下50331648的大小，50331648/1024/1024=48

修改my.cnf配置文件的下面一行参数值：
innodb_log_file_size = 48M

然后重启mysql

时间： 2024-12-06 11:41:10

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