How to stop mysql query execution if it takes a long time

Question

I need recommendations from an experts of Mysql (innodb on v 5.6+)

• Server: Ubuntu 18.04
• Mysql - 5.6
• nginx (latest)
• RAM 1gb, proc 2x2.4

What is the problem?

Depending from the some queries execution time takes too long.

Is there any way to stop the execution of the query and return (for example false) if it takes more than N seconds?

Thanks

Mysql indexes is ok, querying and grouping is ok.

Answer 1

If you want stop that take long time execution SQL , here is how to stop it :

• connect to that MySQL server

• execute SQL show processlist

• find id with long execution time

• execute kill [id]