MySQL参数

 

最大连接数

show variables like 'max_connections';

超时时间

show global variables like '%timeout%';

 

超时分析：

TimeoutError: QueuePool limit of size 10 overflow 10 reached, connection timed out, timeout 30

https://reality0ne.com/sqlalchemy-zhong-de-queuepool-chu-xian-timeouterror/