wukongHH

writeInstance: will not update database_instance due to error: dial tcp xxx:3306: i/o timeout

How to repeat : ``` create table a (id int); create table _a_del (id int); create table _a_gho (id int); ``` session 1 | session 2 | session 3 |...

https://dev.mysql.com/doc/refman/8.0/en/metadata-locking.html DDL statements, LOCK TABLES, and other similar statements try to reduce the number of possible deadlocks between concurrent DDL statements by acquiring locks on explicitly named tables in name...