mysql有时会报如下错：

 130508  3:40:15  InnoDB: ERROR: the age of the last checkpoint is 13492019,

InnoDB: which exceeds the log group capacity 9433498.
InnoDB: If you are using big BLOB or TEXT rows, you must set the
InnoDB: combined size of log files at least 10 times bigger than the
InnoDB: largest such row.
 

这主要是由于 innodb_log_file_size 默认是5M, 不够用引起的.

增大innodb_log_file_size的方法:

  1. 暂停mysql, service mysqld stop
  2. 删除或转移ib_logfile0和ib_logfile1, rm -f /var/lib/mysql/ib_logfile*
  3. 编辑my.cnf , 增加 innodb_log_file_size=256M
  4. 启动mysql, service mysqld start