摘要:
################################## 全局锁:flush tables write read lock; set global readonly=1;--single-transaction (1)flush tables write read lock : 1)对于 阅读全文
摘要:
mysql连接的超时问题:Communications link failure org.springframework.dao.RecoverableDataAccessException: ### Error updating database. Cause: com.mysql.jdbc.ex 阅读全文