redo log 与 binlog redo logredo log (重做日志)是处于存储引擎层的,是InnoDB引擎特有的redo log 存储的是物理日志 --- 即,“在某个数据页上改动了什么”redo log是循环写,空间是一定的,会用完。MySQL
文档解释ORA-16442: ALTER SYSTEM FLUSH REDO TO STANDBY succeeded, but some redo has not been applied.Cause: The target