摘要:
###sample A primary B STANDBY C STANDBY 问题A 库一直报错 ORA-16009: remote archive log destination must be a STANDBY 经过检查,B库的容灾库归档指向有问题。导致一直向着A库写归档日志。 SQL> s 阅读全文
摘要:
MySQL is adding more tools to monitor its internals with every new release, but one thing it still lacks is a way to find out who is locking what, and 阅读全文